POC: Explore request assertions and CLI testing

Cargo.lock

@@ -3781,6 +3781,15 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "inventory"
+version = "0.3.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4f0c30c76f2f4ccee3fe55a2435f691ca00c0e4bd87abe4f4a851b1d4dac39b"
+dependencies = [
+ "rustversion",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.11.0"
@@ -7906,6 +7915,56 @@ dependencies = [
  "zmij",
 ]
 
+[[package]]
+name = "serde_json_path"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b992cea3194eea663ba99a042d61cea4bd1872da37021af56f6a37e0359b9d33"
+dependencies = [
+ "inventory",
+ "nom 7.1.3",
+ "regex 1.13.1",
+ "serde",
+ "serde_json",
+ "serde_json_path_core",
+ "serde_json_path_macros",
+ "thiserror 2.0.20",
+]
+
+[[package]]
+name = "serde_json_path_core"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dde67d8dfe7d4967b5a95e247d4148368ddd1e753e500adb34b3ffe40c6bc1bc"
+dependencies = [
+ "inventory",
+ "serde",
+ "serde_json",
+ "thiserror 2.0.20",
+]
+
+[[package]]
+name = "serde_json_path_macros"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "517acfa7f77ddaf5c43d5f119c44a683774e130b4247b7d3210f8924506cfac8"
+dependencies = [
+ "inventory",
+ "serde_json_path_core",
+ "serde_json_path_macros_internal",
+]
+
+[[package]]
+name = "serde_json_path_macros_internal"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aafbefbe175fa9bf03ca83ef89beecff7d2a95aaacd5732325b90ac8c3bd7b90"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.101",
+]
+
 [[package]]
 name = "serde_path_to_error"
 version = "0.1.20"
@@ -11237,9 +11296,11 @@ dependencies = [
  "tempfile",
  "thiserror 2.0.20",
  "tokio",
+ "yaak-assertions",
  "yaak-core",
  "yaak-crypto",
  "yaak-http",
+ "yaak-jsonpath",
  "yaak-models",
  "yaak-plugins",
  "yaak-templates",
@@ -11342,6 +11403,17 @@ dependencies = [
  "yaak-window",
 ]
 
+[[package]]
+name = "yaak-assertions"
+version = "0.1.0"
+dependencies = [
+ "schemars 0.8.22",
+ "serde",
+ "serde_json",
+ "ts-rs",
+ "yaak-jsonpath",
+]
+
 [[package]]
 name = "yaak-cli"
 version = "0.1.0"
@@ -11374,6 +11446,7 @@ dependencies = [
  "webbrowser",
  "yaak",
  "yaak-api",
+ "yaak-assertions",
  "yaak-core",
  "yaak-crypto",
  "yaak-http",
@@ -11543,6 +11616,16 @@ dependencies = [
  "zstd",
 ]
 
+[[package]]
+name = "yaak-jsonpath"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "serde_json",
+ "serde_json_path",
+ "ts-rs",
+]
+
 [[package]]
 name = "yaak-license"
 version = "0.1.0"
@@ -11603,6 +11686,7 @@ dependencies = [
  "thiserror 2.0.20",
  "ts-rs",
  "urlencoding",
+ "yaak-assertions",
  "yaak-core",
  "yaak-database",
  "yaak-templates",
@@ -11708,6 +11792,7 @@ dependencies = [
  "ts-rs",
  "yaak-git",
  "yaak-grpc",
+ "yaak-jsonpath",
  "yaak-models",
  "yaak-plugins",
  "yaak-sse",
@@ -11811,6 +11896,8 @@ dependencies = [
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "web-sys",
+ "yaak-assertions",
+ "yaak-jsonpath",
  "yaak-lifecycle",
  "yaak-models",
  "yaak-templates",

Cargo.toml

@@ -2,6 +2,8 @@
 resolver = "2"
 members = [
   "crates/yaak",
+  "crates/yaak-assertions",
+  "crates/yaak-jsonpath",
   "crates/yaak-commands",
   # Common/foundation crates
   "crates/common/yaak-database",
@@ -82,6 +84,8 @@ yaak-rpc-schema = { path = "crates/common/yaak-rpc-schema" }
 # Internal crates - shared
 yaak-core = { path = "crates/yaak-core" }
 yaak = { path = "crates/yaak" }
+yaak-assertions = { path = "crates/yaak-assertions" }
+yaak-jsonpath = { path = "crates/yaak-jsonpath" }
 yaak-commands = { path = "crates/yaak-commands" }
 yaak-common = { path = "crates/yaak-common" }
 yaak-crypto = { path = "crates/yaak-crypto" }

apps/yaak-client/components/HttpAssertionPreview.tsx

@@ -0,0 +1,79 @@
+import deepEqual from "@gilbarbara/deep-equal";
+import { useMutation } from "@tanstack/react-query";
+import type { AssertionReport, HttpAssertions, HttpResponse } from "@yaakapp-internal/models";
+import { format } from "date-fns";
+import { rpc } from "../lib/rpc";
+import { Button } from "./core/Button";
+import { HttpAssertionReport } from "./HttpAssertionResults";
+
+interface Props {
+  assertions: HttpAssertions;
+  response: HttpResponse | null;
+}
+
+export function HttpAssertionPreview(props: Props) {
+  // A response switch (including a new send) discards results and in-flight UI
+  // state. The old evaluation may finish, but it cannot label the new response.
+  return <ResponsePreview key={`${props.response?.id}:${props.response?.updatedAt}`} {...props} />;
+}
+
+function ResponsePreview({ assertions, response }: Props) {
+  const preview = useMutation({
+    mutationFn: (definition: HttpAssertions) =>
+      rpc<AssertionReport>("cmd_preview_http_assertions", {
+        responseId: response?.id,
+        assertions: definition,
+      }),
+    retry: false,
+    gcTime: 0,
+  });
+  const unavailable = !response
+    ? "Send a request first to get a response to try."
+    : response.state !== "closed"
+      ? "Wait for the response to finish."
+      : !assertions.checks.some((check) => check.enabled)
+        ? "Enable an assertion to try it."
+        : null;
+  const changed = preview.data != null && !deepEqual(preview.data.definition, assertions);
+
+  return (
+    <div className="space-y-2">
+      <Button
+        size="sm"
+        variant="border"
+        disabled={unavailable != null || preview.isPending}
+        onClick={() => preview.mutate(assertions)}
+      >
+        {preview.isPending ? "Trying assertions…" : "Try assertions"}
+      </Button>
+      <p className="text-xs text-text-subtle">
+        {unavailable ?? "Preview against the selected response without sending again."}
+      </p>
+      {preview.isError && (
+        <p className="text-sm text-danger" role="alert">
+          Could not preview assertions:{" "}
+          {preview.error instanceof Error ? preview.error.message : String(preview.error)}
+        </p>
+      )}
+      {preview.data && response && (
+        <section
+          aria-label="Assertion preview"
+          aria-live="polite"
+          className="border border-border-subtle rounded-md p-3 space-y-2"
+        >
+          <p className="text-sm font-medium">Preview</p>
+          <p className="text-xs text-text-subtle">
+            Response from {format(`${response.createdAt}Z`, "MMM d, h:mm:ss a")}. Recorded results
+            are unchanged.
+          </p>
+          {changed && (
+            <p className="text-xs text-warning" role="status">
+              Assertions changed. Try again to update this preview.
+            </p>
+          )}
+          <HttpAssertionReport report={preview.data} />
+        </section>
+      )}
+    </div>
+  );
+}

apps/yaak-client/components/HttpAssertionResults.tsx

@@ -0,0 +1,81 @@
+import type { AssertionReport, HttpResponse } from "@yaakapp-internal/models";
+import classNames from "classnames";
+import { EmptyStateText } from "./EmptyStateText";
+
+export function HttpAssertionResults({ response }: { response: HttpResponse }) {
+  const report = response.assertionResults;
+  if (!report)
+    return <EmptyStateText>Assertions were not evaluated for this response.</EmptyStateText>;
+  if (!report.error && report.results.length === 0)
+    return <EmptyStateText>Waiting for the response to finish.</EmptyStateText>;
+  return (
+    <div className="h-full overflow-auto space-y-2 pb-3">
+      <p className="text-xs text-text-subtle">Checks saved with this response.</p>
+      <HttpAssertionReport report={report} />
+    </div>
+  );
+}
+
+export function HttpAssertionReport({ report }: { report: AssertionReport }) {
+  const passed = report.results.filter((r) => r.outcome === "passed").length;
+  const failed = report.results.filter((r) => r.outcome === "failed").length;
+  const errors = report.results.filter(
+    (r) => r.outcome === "error" || r.outcome === "invalid",
+  ).length;
+  const skipped = report.results.filter((r) => r.outcome === "skipped").length;
+  return (
+    <div className="space-y-2">
+      <p className="text-sm">
+        {passed} passed · {failed} failed · {errors} errors · {skipped} skipped
+      </p>
+      {report.error && <p className="text-sm text-danger">{report.error}</p>}
+      {report.results.map((result, index) => {
+        const check = report.definition.checks[index];
+        return (
+          <div
+            key={`${result.assertionId}:${index}`}
+            className="border border-border-subtle rounded-md p-2 text-sm space-y-1"
+          >
+            <div className="flex items-start justify-between gap-2">
+              <span className="font-mono break-all">
+                {check?.target === "status" ? "Status" : check?.selector}
+              </span>
+              <span
+                className={classNames(
+                  "capitalize shrink-0",
+                  result.outcome === "passed"
+                    ? "text-success"
+                    : result.outcome === "skipped"
+                      ? "text-text-subtle"
+                      : "text-danger",
+                )}
+              >
+                {result.outcome}
+              </span>
+            </div>
+            {check && (
+              <p className="text-xs break-all">
+                {check.operator.replaceAll("_", " ")}
+                {check.operator !== "exists" && (
+                  <>
+                    {" "}
+                    {check.expectedType === "null"
+                      ? "null"
+                      : check.expectedType === "text"
+                        ? JSON.stringify(check.expected)
+                        : check.expected}{" "}
+                    ({check.expectedType})
+                  </>
+                )}
+              </p>
+            )}
+            <p className="text-xs text-text-subtle">{result.reason}</p>
+            {result.actual != null && (
+              <p className="font-mono text-xs break-all">Actual: {JSON.stringify(result.actual)}</p>
+            )}
+          </div>
+        );
+      })}
+    </div>
+  );
+}

apps/yaak-client/components/HttpAssertionsEditor.tsx

@@ -0,0 +1,216 @@
+import { useQuery } from "@tanstack/react-query";
+import type { HttpAssertion, HttpAssertions, HttpRequest } from "@yaakapp-internal/models";
+import { patchModelDebounced } from "@yaakapp-internal/models";
+import { usePinnedHttpResponse } from "../hooks/usePinnedHttpResponse";
+import { JsonPathInput } from "./JsonPathInput";
+import { useRequestUpdateKey } from "../hooks/useRequestUpdateKey";
+import { useStateWithDeps } from "../hooks/useStateWithDeps";
+import { generateId } from "../lib/generateId";
+import { rpc } from "../lib/rpc";
+import { Button } from "./core/Button";
+import { Checkbox } from "./core/Checkbox";
+import { IconButton } from "./core/IconButton";
+import { PlainInput } from "./core/PlainInput";
+import { Select } from "./core/Select";
+import { HttpAssertionPreview } from "./HttpAssertionPreview";
+
+const EMPTY: HttpAssertions = { version: 1, checks: [] };
+const operators = [
+  { value: "equals", label: "Equals" },
+  { value: "not_equals", label: "Does not equal" },
+  { value: "greater_than", label: "Greater than" },
+  { value: "less_than", label: "Less than" },
+  { value: "contains", label: "Contains" },
+  { value: "exists", label: "Exists" },
+];
+
+export function HttpAssertionsEditor({ request }: { request: HttpRequest }) {
+  const updateKey = useRequestUpdateKey(request.id);
+  const { activeResponse } = usePinnedHttpResponse(request.id);
+  const [definition, setDefinition] = useStateWithDeps(request.assertions ?? EMPTY, [updateKey]);
+  const validation = useQuery({
+    queryKey: ["validate_assertions", definition],
+    queryFn: () =>
+      rpc<Record<string, string>>("cmd_validate_http_assertions", { assertions: definition }),
+    staleTime: Infinity,
+    gcTime: 0,
+    retry: false,
+  });
+
+  const save = (checks: HttpAssertion[]) => {
+    const next = { ...definition, checks };
+    setDefinition(next);
+    patchModelDebounced(request, { assertions: next });
+  };
+  const update = (id: string, patch: Partial<HttpAssertion>) =>
+    save(definition.checks.map((c) => (c.id === id ? { ...c, ...patch } : c)));
+
+  return (
+    <div className="@container h-full overflow-auto pb-3 space-y-3">
+      <p className="text-sm text-text-subtle">
+        Check the response each time you send. Results appear in the response’s Assertions tab.
+      </p>
+      {definition.checks.map((check, index) => (
+        <div key={check.id} className="border border-border-subtle rounded-md p-2 space-y-2">
+          <div className="flex items-center gap-2">
+            <Checkbox
+              title={`Assertion ${index + 1}`}
+              checked={check.enabled}
+              onChange={(enabled) => update(check.id, { enabled })}
+            />
+            <IconButton
+              icon="trash"
+              size="xs"
+              title={`Delete assertion ${index + 1}`}
+              onClick={() => save(definition.checks.filter((c) => c.id !== check.id))}
+            />
+          </div>
+          <div className="grid grid-cols-[minmax(0,1fr)] @[28rem]:grid-cols-[8rem_minmax(0,1fr)] gap-2">
+            <Select
+              name={`target-${check.id}`}
+              label="Response"
+              size="sm"
+              value={check.target}
+              options={[
+                { value: "json", label: "JSON body" },
+                { value: "status", label: "Status" },
+                { value: "header", label: "Header" },
+              ]}
+              onChange={(target) =>
+                update(check.id, {
+                  target,
+                  selector: "",
+                  operator: "equals",
+                  expected: target === "status" ? "200" : "",
+                  expectedType: target === "status" ? "number" : "text",
+                })
+              }
+            />
+            {check.target === "json" && (
+              <JsonPathInput
+                response={activeResponse}
+                stateKey={`assertion-path:${request.id}:${check.id}`}
+                defaultValue={check.selector}
+                forceUpdateKey={updateKey}
+                onChange={(selector) => update(check.id, { selector })}
+              />
+            )}
+            {check.target === "header" && (
+              <PlainInput
+                label="Header name"
+                size="sm"
+                defaultValue={check.selector}
+                forceUpdateKey={`${updateKey}:${check.target}`}
+                placeholder="Content-Type"
+                onChange={(selector) => update(check.id, { selector })}
+              />
+            )}
+          </div>
+          <div className="grid grid-cols-[minmax(0,1fr)] @[28rem]:grid-cols-[8rem_minmax(0,1fr)] gap-2">
+            <Select
+              name={`operator-${check.id}`}
+              label="Comparison"
+              size="sm"
+              value={check.operator}
+              options={operators.filter(
+                (o) =>
+                  check.target === "json" ||
+                  (check.target === "status"
+                    ? o.value !== "contains" && o.value !== "exists"
+                    : !["greater_than", "less_than"].includes(o.value)),
+              )}
+              onChange={(operator) =>
+                update(check.id, {
+                  operator,
+                  ...(["greater_than", "less_than"].includes(operator)
+                    ? { expectedType: "number" }
+                    : operator === "contains"
+                      ? { expectedType: "text" }
+                      : {}),
+                })
+              }
+            />
+            {check.operator !== "exists" && (
+              <div className="flex items-start gap-2 min-w-0">
+                {check.expectedType !== "null" && (
+                  <div className="flex-1 min-w-0">
+                    <PlainInput
+                      label="Expected value"
+                      size="sm"
+                      defaultValue={check.expected}
+                      forceUpdateKey={`${updateKey}:${check.target}`}
+                      placeholder={check.expectedType === "boolean" ? "true or false" : "Value"}
+                      onChange={(expected) => update(check.id, { expected })}
+                    />
+                  </div>
+                )}
+                {check.target === "json" &&
+                  !["greater_than", "less_than", "contains"].includes(check.operator) && (
+                    <div className="w-24 shrink-0">
+                      <Select
+                        name={`type-${check.id}`}
+                        label="Type"
+                        size="sm"
+                        value={check.expectedType}
+                        options={[
+                          { value: "text", label: "Text" },
+                          { value: "number", label: "Number" },
+                          { value: "boolean", label: "Boolean" },
+                          { value: "null", label: "Null" },
+                        ]}
+                        onChange={(expectedType) => update(check.id, { expectedType })}
+                      />
+                    </div>
+                  )}
+              </div>
+            )}
+          </div>
+          {validation.data?.[check.id] && (
+            <p className="text-xs text-danger" role="status">
+              {validation.data[check.id]}
+            </p>
+          )}
+        </div>
+      ))}
+      {validation.data?.[""] && (
+        <p className="text-sm text-danger" role="status">
+          {validation.data[""]}
+        </p>
+      )}
+      {validation.isError && (
+        <p className="text-sm text-danger" role="status">
+          Unable to validate assertions.
+        </p>
+      )}
+      <Button
+        size="sm"
+        variant="border"
+        disabled={definition.version !== 1 || definition.checks.length >= 100}
+        onClick={() =>
+          save([
+            ...definition.checks,
+            {
+              id: generateId(),
+              enabled: true,
+              target: "json",
+              selector: "",
+              operator: "equals",
+              expected: "",
+              expectedType: "text",
+            },
+          ])
+        }
+      >
+        Add assertion
+      </Button>
+      {definition.checks.some((c) => c.target === "json") && (
+        <p className="text-xs text-text-subtle">
+          Use a JSONPath such as $.user.id or user.id. Comparisons select one value; Exists also
+          accepts multiple matches. Suggestions use the selected response, one level at a time.
+          Values are literal and types must match.
+        </p>
+      )}
+      <HttpAssertionPreview assertions={definition} response={activeResponse} />
+    </div>
+  );
+}

apps/yaak-client/components/HttpRequestPane.tsx

@@ -42,11 +42,12 @@ import { Editor } from "./core/Editor/LazyEditor";
 import { InlineCode } from "@yaakapp-internal/ui";
 import { PlainInput } from "./core/PlainInput";
 import type { TabItem, TabsRef } from "./core/Tabs/Tabs";
-import { setActiveTab, TabContent, Tabs } from "./core/Tabs/Tabs";
+import { TabContent, Tabs } from "./core/Tabs/Tabs";
 import { EmptyStateText } from "./EmptyStateText";
 import { FormMultipartEditor } from "./FormMultipartEditor";
 import { FormUrlencodedEditor } from "./FormUrlencodedEditor";
 import { HeadersEditor } from "./HeadersEditor";
+import { HttpAssertionsEditor } from "./HttpAssertionsEditor";
 import { HttpAuthenticationEditor } from "./HttpAuthenticationEditor";
 import { JsonBodyEditor } from "./JsonBodyEditor";
 import { MarkdownEditor } from "./MarkdownEditor";
@@ -72,6 +73,7 @@ const TAB_HEADERS = "headers";
 const TAB_AUTH = "auth";
 const TAB_SETTINGS = "settings";
 const TAB_DESCRIPTION = "description";
+const TAB_ASSERTIONS = "assertions";
 const TABS_STORAGE_KEY = "http_request_tabs";
 
 // Derived from the identity-stable URL list so this only recomputes when a URL
@@ -171,6 +173,7 @@ export function HttpRequestPane({ style, fullHeight, className, activeRequest }:
     () => [
       {
         value: TAB_BODY,
+        menuLabel: "Body",
         rightSlot: numParams > 0 ? <CountBadge count={numParams} /> : null,
         options: {
           value: activeRequest.bodyType,
@@ -264,6 +267,16 @@ export function HttpRequestPane({ style, fullHeight, className, activeRequest }:
         label: "Info",
         rightSlot: hasDescription && <CountBadge count={true} />,
       },
+      {
+        value: TAB_ASSERTIONS,
+        label: "Assertions",
+        rightSlot: (
+          <CountBadge
+            count={activeRequest.assertions?.checks.filter((c) => c.enabled).length ?? 0}
+          />
+        ),
+        hiddenByDefault: !activeRequest.assertions?.checks.length,
+      },
     ],
     [
       activeRequest,
@@ -310,11 +323,7 @@ export function HttpRequestPane({ style, fullHeight, className, activeRequest }:
           e.preventDefault(); // Prevent input onChange
 
           await patchModel(activeRequest, patch);
-          await setActiveTab({
-            storageKey: TABS_STORAGE_KEY,
-            activeTabKey: activeRequestId,
-            value: TAB_PARAMS,
-          });
+          tabsRef.current?.setActiveTab(TAB_PARAMS);
 
           // Wait for request to update, then refresh the UI
           // TODO: Somehow make this deterministic
@@ -368,8 +377,12 @@ export function HttpRequestPane({ style, fullHeight, className, activeRequest }:
             tabs={tabs}
             tabListClassName="mt-1 -mb-1.5"
             storageKey={TABS_STORAGE_KEY}
+            visibilityStorageKey={[TABS_STORAGE_KEY, "visibility", activeRequest.workspaceId]}
             activeTabKey={activeRequestId}
           >
+            <TabContent value={TAB_ASSERTIONS}>
+              <HttpAssertionsEditor key={activeRequest.id} request={activeRequest} />
+            </TabContent>
             <TabContent value={TAB_AUTH}>
               <HttpAuthenticationEditor model={activeRequest} />
             </TabContent>

apps/yaak-client/components/HttpResponsePane.tsx

@@ -2,7 +2,7 @@ import type { HttpResponse, HttpResponseEvent } from "@yaakapp-internal/models";
 import { Banner, HStack, Icon, LoadingIcon, VStack } from "@yaakapp-internal/ui";
 import classNames from "classnames";
 import type { ComponentType, CSSProperties } from "react";
-import { lazy, Suspense, useMemo } from "react";
+import { lazy, Suspense, useMemo, useRef } from "react";
 import { useCancelHttpResponse } from "../hooks/useCancelHttpResponse";
 import { useCopyHttpResponse } from "../hooks/useCopyHttpResponse";
 import { useHttpResponseEvents } from "../hooks/useHttpResponseEvents";
@@ -23,11 +23,12 @@ import { HttpResponseDurationTag } from "./core/HttpResponseDurationTag";
 import { HttpStatusTag } from "./core/HttpStatusTag";
 import { PillButton } from "./core/PillButton";
 import { SizeTag } from "./core/SizeTag";
-import type { TabItem } from "./core/Tabs/Tabs";
+import type { TabItem, TabsRef } from "./core/Tabs/Tabs";
 import { TabContent, Tabs } from "./core/Tabs/Tabs";
 import { Tooltip } from "./core/Tooltip";
 import { EmptyStateText } from "./EmptyStateText";
 import { ErrorBoundary } from "./ErrorBoundary";
+import { HttpAssertionResults } from "./HttpAssertionResults";
 import { HttpResponseTimeline } from "./HttpResponseTimeline";
 import { RecentHttpResponsesDropdown } from "./RecentHttpResponsesDropdown";
 import { RequestBodyViewer } from "./RequestBodyViewer";
@@ -56,6 +57,7 @@ const TAB_BODY = "body";
 const TAB_REQUEST = "request";
 const TAB_HEADERS = "headers";
 const TAB_COOKIES = "cookies";
+const TAB_ASSERTIONS = "assertions";
 const TAB_TIMELINE = "timeline";
 
 export type TimelineViewMode = "timeline" | "text";
@@ -67,6 +69,7 @@ interface RedirectDropWarning {
 
 export function HttpResponsePane({ style, className, activeRequestId }: Props) {
   const { activeResponse, setPinnedResponseId, responses } = usePinnedHttpResponse(activeRequestId);
+  const tabsRef = useRef<TabsRef>(null);
   const [viewMode, setViewMode] = useResponseViewMode(activeResponse?.requestId);
   const [timelineViewMode, setTimelineViewMode] = useTimelineViewMode();
   const contentType = getContentTypeFromHeaders(activeResponse?.headers ?? null);
@@ -83,9 +86,53 @@ export function HttpResponsePane({ style, className, activeRequestId }: Props) {
   const cookieCounts = useMemo(() => getCookieCounts(responseEvents.data), [responseEvents.data]);
   const saveResponse = useSaveResponse(activeResponse ?? null);
   const copyResponse = useCopyHttpResponse(activeResponse ?? null);
+  const assertionReport = activeResponse?.assertionResults;
+  // Native sends save the definition before evaluation. Wait for actual outcomes,
+  // and leave the tab hidden when every check was disabled.
+  const hasAssertionResults =
+    activeResponse?.state === "closed" &&
+    assertionReport != null &&
+    (assertionReport.error != null ||
+      assertionReport.results.some((result) => result.outcome !== "skipped"));
+  const failedAssertions =
+    assertionReport?.results.filter((result) => result.outcome === "failed").length ?? 0;
+  const assertionErrors =
+    assertionReport?.results.filter(
+      (result) => result.outcome === "error" || result.outcome === "invalid",
+    ).length ?? 0;
+  const assertionFailures = failedAssertions + assertionErrors;
+  const assertionFailureLabel = [
+    failedAssertions > 0
+      ? `${failedAssertions} assertion${failedAssertions === 1 ? "" : "s"} failed`
+      : null,
+    assertionErrors > 0
+      ? `${assertionErrors} assertion error${assertionErrors === 1 ? "" : "s"}`
+      : assertionReport?.error != null
+        ? "Assertion error"
+        : null,
+  ]
+    .filter(Boolean)
+    .join(" · ");
+  const assertionPasses =
+    assertionReport?.results.filter((result) => result.outcome === "passed").length ?? 0;
+  const assertionsHaveErrors = assertionFailures > 0 || assertionReport?.error != null;
 
   const tabs = useMemo<TabItem[]>(
     () => [
+      ...(hasAssertionResults
+        ? [
+            {
+              value: TAB_ASSERTIONS,
+              label: "Assertions",
+              rightSlot: (
+                <CountBadge
+                  count={assertionsHaveErrors ? assertionFailures || true : assertionPasses}
+                  color={assertionsHaveErrors ? "danger" : "success"}
+                />
+              ),
+            },
+          ]
+        : []),
       {
         value: TAB_BODY,
         label: "Response",
@@ -162,6 +209,10 @@ export function HttpResponsePane({ style, className, activeRequestId }: Props) {
       activeResponse?.requestHeaders.length,
       activeResponse?.state,
       activeResponse?.status,
+      hasAssertionResults,
+      assertionFailures,
+      assertionPasses,
+      assertionsHaveErrors,
       cookieCounts.sent,
       cookieCounts.received,
       copyResponse.mutate,
@@ -210,6 +261,17 @@ export function HttpResponsePane({ style, className, activeRequestId }: Props) {
                 <HStack space={2} className="w-full shrink-0">
                   {activeResponse.state !== "closed" && <LoadingIcon size="sm" />}
                   <HttpStatusTag showReason response={activeResponse} />
+                  {hasAssertionResults && assertionsHaveErrors && (
+                    <PillButton
+                      color="danger"
+                      className="font-sans"
+                      title="View assertion results"
+                      leftSlot={<Icon icon="alert_triangle" size="xs" />}
+                      onClick={() => tabsRef.current?.setActiveTab(TAB_ASSERTIONS)}
+                    >
+                      {assertionFailureLabel}
+                    </PillButton>
+                  )}
                   <span>&bull;</span>
                   <HttpResponseDurationTag response={activeResponse} />
                   <span>&bull;</span>
@@ -282,13 +344,18 @@ export function HttpResponsePane({ style, className, activeRequestId }: Props) {
             )}
             {/* Show tabs if we have any data (headers, body, etc.) even if there's an error */}
             <Tabs
+              ref={tabsRef}
               tabs={tabs}
+              defaultValue={TAB_BODY}
               label="Response"
               className="ml-3 mr-3 mb-3 min-h-0 flex-1"
               tabListClassName="mt-0.5 -mb-1.5"
               storageKey="http_response_tabs"
               activeTabKey={activeRequestId}
             >
+              <TabContent value={TAB_ASSERTIONS}>
+                <HttpAssertionResults response={activeResponse} />
+              </TabContent>
               <TabContent value={TAB_BODY}>
                 <ErrorBoundary name="Http Response Viewer">
                   <Suspense>

apps/yaak-client/components/JsonPathInput.tsx

@@ -0,0 +1,76 @@
+import { autocompletion, startCompletion } from "@codemirror/autocomplete";
+import { EditorView } from "@codemirror/view";
+import { useQueryClient } from "@tanstack/react-query";
+import type { HttpResponse } from "@yaakapp-internal/models";
+import { useMemo, useRef, useState } from "react";
+import { rpc } from "../lib/rpc";
+import { Input } from "./core/Input";
+import type { InputProps } from "./core/Input";
+import { jsonPathCompletion } from "./core/Editor/json/pathCompletion";
+import type { JsonPathChildren, LoadJsonPathChildren } from "./core/Editor/json/pathCompletion";
+
+type Props = Pick<InputProps, "defaultValue" | "onChange" | "forceUpdateKey" | "stateKey"> & {
+  response: HttpResponse | null;
+};
+
+export function JsonPathInput({ response, ...props }: Props) {
+  const client = useQueryClient();
+  const [sampled, setSampled] = useState(false);
+  const responseKey = response?.state === "closed" ? `${response.id}:${response.updatedAt}` : null;
+  const currentResponseKey = useRef(responseKey);
+  currentResponseKey.current = responseKey;
+  const load = useRef<LoadJsonPathChildren>(async () => null);
+  load.current = async (parent) => {
+    if (!response || !responseKey) return null;
+    try {
+      const result = await client.fetchQuery({
+        queryKey: ["json_path_children", response.id, response.updatedAt, parent],
+        queryFn: () =>
+          rpc<JsonPathChildren>("cmd_http_response_json_children", {
+            responseId: response.id,
+            parent,
+          }),
+        staleTime: Infinity,
+        gcTime: 60_000,
+        retry: false,
+      });
+      if (responseKey !== currentResponseKey.current) return null;
+      setSampled(result.truncated);
+      return result;
+    } catch {
+      return null;
+    } // Non-JSON bodies and incomplete expressions still allow normal typing.
+  };
+  // The editor installs extraExtensions once. A ref keeps the response current without rebuilding
+  // the input and losing focus/selection when a new response arrives.
+  const extensions = useMemo(
+    () => [
+      autocompletion({ override: [jsonPathCompletion((parent) => load.current(parent))] }),
+      EditorView.domEventHandlers({
+        focus: (_event, view) => {
+          startCompletion(view);
+        },
+      }),
+    ],
+    [],
+  );
+  return (
+    <div className="min-w-0">
+      <Input
+        {...props}
+        label="JSONPath"
+        size="sm"
+        placeholder="$.user.id"
+        language="text"
+        autocompleteFunctions={false}
+        autocompleteVariables={false}
+        extraExtensions={extensions}
+      />
+      {sampled && (
+        <p className="text-xs text-text-subtle mt-1">
+          Suggestions are sampled. You can enter any path.
+        </p>
+      )}
+    </div>
+  );
+}

apps/yaak-client/components/core/Editor/json/pathCompletion.test.ts

@@ -0,0 +1,93 @@
+import { CompletionContext } from "@codemirror/autocomplete";
+import { EditorState } from "@codemirror/state";
+import type { EditorView } from "@codemirror/view";
+import { describe, expect, it, vi } from "vite-plus/test";
+import { jsonPathCompletion, jsonPathCompletionTarget } from "./pathCompletion";
+import type { JsonPathChildren } from "./pathCompletion";
+
+const root: JsonPathChildren = {
+  children: [
+    { label: "users", selector: ".users", kind: "array" },
+    { label: "total", selector: ".total", kind: "number" },
+    { label: "a.b", selector: '["a.b"]', kind: "text" },
+    { label: "a,b", selector: '["a,b"]', kind: "text" },
+  ],
+  truncated: false,
+};
+function context(text: string, explicit = false, pos = text.length) {
+  return new CompletionContext(EditorState.create({ doc: text }), pos, explicit);
+}
+
+describe("progressive JSONPath completion", () => {
+  it.each([
+    ["", "$", ""],
+    ["$", "$", ""],
+    ["$.", "$", "."],
+    ["us", "$", "us"],
+    ["users.na", "$.users", ".na"],
+    ["$.users[", "$.users", "["],
+    ["$.users[0].na", "$.users[0]", ".na"],
+    ["$.users[*].", "$.users[*]", "."],
+    ['$["a.b"].', '$["a.b"]', "."],
+    ['$["a.b', "$", '["a.b'],
+    ["$['a.b", "$", "['a.b"],
+    ['$["a,b', "$", '["a,b'],
+    ['$.users[?(@.name == "a.b")].', '$.users[?(@.name == "a.b")]', "."],
+  ])("finds the next level in %s", (text, parent, fragment) => {
+    expect(jsonPathCompletionTarget(text)).toEqual({ parent, fragment });
+  });
+
+  it("loads only the parent, filters the typed prefix, and inserts a complete escaped path", async () => {
+    const load = vi.fn(async () => root);
+    const complete = jsonPathCompletion(load);
+    const result = await complete(context("us"));
+    expect(load).toHaveBeenCalledExactlyOnceWith("$");
+    expect(result?.options.map((o) => o.label)).toEqual(["users"]);
+    const quoted = await complete(context('$["a.b'));
+    const option = quoted!.options[0]!;
+    const dispatch = vi.fn();
+    expect(option.label).toBe("a.b");
+    if (typeof option.apply !== "function") throw new Error("Expected a completion function");
+    option.apply({ dispatch } as unknown as EditorView, option, 0, 6);
+    expect(dispatch.mock.calls[0]?.[0].changes).toEqual({ from: 0, to: 6, insert: '$["a.b"]' });
+    expect((await complete(context("$['a.b")))?.options.map((o) => o.label)).toEqual(["a.b"]);
+  });
+
+  it("explores a completed container without turning the path into an invalid draft", async () => {
+    const array: JsonPathChildren = {
+      children: [
+        { label: "[*]", selector: "[*]", kind: "all items" },
+        { label: "[0]", selector: "[0]", kind: "object" },
+      ],
+      truncated: false,
+    };
+    const load = vi.fn(async (parent: string) => (parent === "$.users" ? array : root));
+    const result = await jsonPathCompletion(load)(context("$.users", true));
+    expect(load).toHaveBeenCalledExactlyOnceWith("$.users");
+    expect(result?.options.map((o) => o.label)).toEqual(["[*]", "[0]"]);
+    expect(
+      (await jsonPathCompletion(load)(context("$.users[0")))?.options.map((o) => o.label),
+    ).toEqual(["[0]"]);
+  });
+
+  it("does not suggest descendants at the root or duplicate the current scalar path", async () => {
+    const load = vi.fn(async (parent: string) =>
+      parent === "$" ? root : { children: [], truncated: false },
+    );
+    const result = await jsonPathCompletion(load)(context(""));
+    expect(result?.options.map((o) => o.label)).toEqual(["users", "total", "a.b", "a,b"]);
+    expect(await jsonPathCompletion(load)(context("$.total", true))).toBeNull();
+  });
+
+  it("leaves complex expressions, mid-path editing, unavailable data, and stale results alone", async () => {
+    const load = vi.fn(async () => root);
+    expect(await jsonPathCompletion(load)(context("$.users[?(@.na"))).toBeNull();
+    expect(await jsonPathCompletion(load)(context("$..na"))).toBeNull();
+    expect(await jsonPathCompletion(load)(context("$.users[0].name", false, 5))).toBeNull();
+    expect(load).not.toHaveBeenCalled();
+    expect(await jsonPathCompletion(async () => null)(context("$"))).toBeNull();
+    const stale = context("$.");
+    Object.defineProperty(stale, "aborted", { get: () => true });
+    expect(await jsonPathCompletion(load)(stale)).toBeNull();
+  });
+});

apps/yaak-client/components/core/Editor/json/pathCompletion.ts

@@ -0,0 +1,119 @@
+import type { CompletionContext, CompletionResult } from "@codemirror/autocomplete";
+import { startCompletion } from "@codemirror/autocomplete";
+import type { RpcSchema } from "@yaakapp-internal/rpc-schema";
+
+export type JsonPathChildren = RpcSchema["cmd_http_response_json_children"][1];
+export type LoadJsonPathChildren = (parent: string) => Promise<JsonPathChildren | null>;
+
+export function normalizeJsonPath(value: string): string {
+  const text = value.trim();
+  if (!text) return "$";
+  return text.startsWith("$") ? text : text.startsWith("[") ? `$${text}` : `$.${text}`;
+}
+
+/** Locate the unfinished child accessor, leaving complete JSONPath expressions to Rust. */
+export function jsonPathCompletionTarget(
+  text: string,
+): { parent: string; fragment: string } | null {
+  text = text.trim();
+  if (text.length > 1024) return null;
+  if (!text || text === "$") return { parent: "$", fragment: "" };
+  let quote = "";
+  let escaped = false;
+  let depth = 0;
+  let boundary = -1;
+  for (let i = 0; i < text.length; i++) {
+    const c = text[i];
+    if (quote) {
+      if (escaped) escaped = false;
+      else if (c === "\\") escaped = true;
+      else if (c === quote) quote = "";
+      continue;
+    }
+    if (depth > 0 && (c === '"' || c === "'")) quote = c;
+    else if (c === "[") {
+      if (depth === 0) boundary = i;
+      depth++;
+    } else if (c === "]") {
+      if (--depth < 0) return null;
+    } else if (depth === 0 && c === ".") boundary = i;
+  }
+  if (depth === 0 && text.endsWith("]")) return { parent: normalizeJsonPath(text), fragment: "" };
+  if (boundary === -1) return text.startsWith("$") ? null : { parent: "$", fragment: text };
+  const fragment = text.slice(boundary);
+  // Don't try to complete inside filters, unions, or recursive descent.
+  if (
+    depth > 1 ||
+    fragment.startsWith("[?") ||
+    fragment.startsWith("[(") ||
+    text[boundary - 1] === "." ||
+    fragment.startsWith("[...") ||
+    (fragment.includes(",") && !fragment.startsWith('["') && !fragment.startsWith("['"))
+  )
+    return null;
+  return { parent: normalizeJsonPath(text.slice(0, boundary)), fragment };
+}
+
+function matches(child: JsonPathChildren["children"][number], fragment: string): boolean {
+  if (!fragment) return true;
+  if (!fragment.startsWith("[")) return child.label.startsWith(fragment.replace(/^\./, ""));
+  if (child.selector.startsWith("[") && !child.selector.startsWith('["'))
+    return child.selector.startsWith(fragment);
+  const quoted = JSON.stringify(child.label);
+  const accessor = fragment.startsWith("['")
+    ? `['${quoted.slice(1, -1).replace(/\\"/g, '"').replace(/'/g, "\\'")}']`
+    : `[${quoted}]`;
+  return accessor.startsWith(fragment);
+}
+
+/** Complete a path progressively. Discovery is cached by response + parent in the caller. */
+export function jsonPathCompletion(load: LoadJsonPathChildren) {
+  return async (context: CompletionContext): Promise<CompletionResult | null> => {
+    // Never replace later path segments while the user edits the middle of an expression.
+    if (context.pos !== context.state.doc.length) return null;
+    context.addEventListener("abort", () => {}, { onDocChange: true });
+    const text = context.state.doc.toString();
+    let target = jsonPathCompletionTarget(text);
+    if (!target) return null;
+    let children: JsonPathChildren | null = null;
+    if (context.explicit && text.trim()) {
+      // Accepting a container or explicitly opening completion explores its children, without
+      // inserting an unfinished dot/bracket (the container itself may be the assertion target).
+      const parent = normalizeJsonPath(text);
+      children = await load(parent);
+      if (context.aborted) return null;
+      if (children?.children.length) target = { parent, fragment: "" };
+      else children = null;
+    }
+    children ??= await load(target.parent);
+    if (context.aborted || !children) return null;
+    const parent = target.parent;
+    const options = children.children
+      .filter((child) => matches(child, target.fragment))
+      .filter((child) => `${parent}${child.selector}` !== normalizeJsonPath(text))
+      .map((child) => {
+        const path = `${parent}${child.selector}`;
+        return {
+          label: child.label,
+          displayLabel: child.selector.startsWith('["') ? child.selector : child.label,
+          detail: child.kind,
+          type: child.selector.startsWith("[") ? "variable" : "property",
+          apply(
+            view: Parameters<typeof startCompletion>[0],
+            _completion: unknown,
+            from: number,
+            to: number,
+          ) {
+            view.dispatch({
+              changes: { from, to, insert: path },
+              selection: { anchor: from + path.length },
+              userEvent: "input.complete",
+            });
+            if (["object", "array", "all items", "mixed"].includes(child.kind))
+              startCompletion(view);
+          },
+        };
+      });
+    return options.length ? { from: 0, to: context.pos, options, filter: false } : null;
+  };
+}

apps/yaak-client/components/core/Tabs/Tabs.tsx

@@ -10,7 +10,7 @@ import {
   useSensors,
 } from "@dnd-kit/core";
 import classNames from "classnames";
-import type { ReactNode, Ref } from "react";
+import type { CSSProperties, ReactNode, Ref } from "react";
 import {
   forwardRef,
   memo,
@@ -27,11 +27,19 @@ import { fireAndForget } from "../../../lib/fireAndForget";
 import { ErrorBoundary } from "../../ErrorBoundary";
 import type { ButtonProps } from "../Button";
 import { Button } from "../Button";
+import { Dropdown } from "../Dropdown";
+import { IconButton } from "../IconButton";
 import { Icon } from "@yaakapp-internal/ui";
 import type { RadioDropdownProps } from "../RadioDropdown";
 import { RadioDropdown } from "../RadioDropdown";
+import { useFittingTabs } from "./useFittingTabs";
+import { MIN_TAB_GAP_SCALE, MIN_TAB_PADDING_SCALE } from "./fitTabs";
 
-export type TabItem =
+export type TabItem = {
+  /** Stable label for the visibility menu, including tabs with dropdown labels. */
+  menuLabel?: string;
+  hiddenByDefault?: boolean;
+} & (
   | {
       value: string;
       label: string;
@@ -44,7 +52,8 @@ export type TabItem =
       options: Omit<RadioDropdownProps, "children">;
       leftSlot?: ReactNode;
       rightSlot?: ReactNode;
-    };
+    }
+);
 
 interface TabsStorage {
   order: string[];
@@ -72,6 +81,8 @@ interface Props {
   storageKey?: string | string[];
   /** Key to identify which context this tab belongs to (e.g., request ID). Used for per-context active tab persistence. */
   activeTabKey?: string;
+  /** Enables show/hide controls, scoped independently of tab order and selection. */
+  visibilityStorageKey?: string | string[];
 }
 
 export const Tabs = forwardRef<TabsRef, Props>(function Tabs(
@@ -87,6 +98,7 @@ export const Tabs = forwardRef<TabsRef, Props>(function Tabs(
     layout = "vertical",
     storageKey,
     activeTabKey,
+    visibilityStorageKey,
   }: Props,
   forwardedRef: Ref<TabsRef>,
 ) {
@@ -108,10 +120,33 @@ export const Tabs = forwardRef<TabsRef, Props>(function Tabs(
 
   const savedOrder = storage.order;
 
+  const visibilityKey = visibilityStorageKey ?? ["tabs", "default_visibility"];
+  const { value: visibility, set: setVisibility } = useKeyValue<Record<string, boolean>>({
+    namespace: "no_sync",
+    key: visibilityKey,
+    fallback: {},
+  });
+  const { value: wrapPreference, set: setWrapPreference } = useKeyValue<boolean>({
+    namespace: "no_sync",
+    key: [...(Array.isArray(visibilityKey) ? visibilityKey : [visibilityKey]), "wrap"],
+    fallback: false,
+  });
+  const isVisible = useCallback(
+    (tab: TabItem) =>
+      !("hidden" in tab && tab.hidden) &&
+      (!visibilityStorageKey || (visibility?.[tab.value] ?? !tab.hiddenByDefault)),
+    [visibility, visibilityStorageKey],
+  );
+
   // Get the active tab value - prefer storage (if activeTabKey), then defaultValue, then first tab
   const storedActiveTab = activeTabKey ? storage?.activeTabs?.[activeTabKey] : undefined;
   const [internalValue, setInternalValue] = useState<string | undefined>(undefined);
-  const value = storedActiveTab ?? internalValue ?? defaultValue ?? originalTabs[0]?.value;
+  const requestedValue = storedActiveTab ?? internalValue ?? defaultValue ?? originalTabs[0]?.value;
+  // Dynamic tabs can disappear when switching responses or other contexts.
+  // Keep the saved preference, but display an available tab until it returns.
+  const value = originalTabs.some((t) => t.value === requestedValue && isVisible(t))
+    ? requestedValue
+    : originalTabs.find(isVisible)?.value;
 
   // Helper to normalize storage (handle migration from old format)
   const normalizeStorage = useCallback(
@@ -123,6 +158,9 @@ export const Tabs = forwardRef<TabsRef, Props>(function Tabs(
   // Handle tab change - update internal state, storage if we have a key, and call prop callback
   const onChangeValue = useCallback(
     async (newValue: string) => {
+      if (visibilityStorageKey) {
+        await setVisibility((s) => ({ ...s, [newValue]: true }));
+      }
       setInternalValue(newValue);
       if (storageKey && activeTabKey) {
         await setStorage((s) => {
@@ -135,7 +173,15 @@ export const Tabs = forwardRef<TabsRef, Props>(function Tabs(
       }
       onChangeValueProp?.(newValue);
     },
-    [storageKey, activeTabKey, setStorage, onChangeValueProp, normalizeStorage],
+    [
+      storageKey,
+      activeTabKey,
+      setStorage,
+      onChangeValueProp,
+      normalizeStorage,
+      visibilityStorageKey,
+      setVisibility,
+    ],
   );
 
   // Expose imperative methods via ref
@@ -199,6 +245,18 @@ export const Tabs = forwardRef<TabsRef, Props>(function Tabs(
   }, [originalTabs, savedOrder, storageKey]);
 
   const tabs = storageKey ? orderedTabs : originalTabs;
+  const responsive = !!visibilityStorageKey && layout === "vertical";
+  const wrapTabs = responsive && !!wrapPreference;
+  const { viewportRef, measurementsRef, fittedTabs } = useFittingTabs(
+    responsive && !wrapTabs,
+    value,
+  );
+  const fitsInStrip = useCallback(
+    (tab: TabItem) =>
+      isVisible(tab) && (fittedTabs == null || fittedTabs.some((t) => t.value === tab.value)),
+    [isVisible, fittedTabs],
+  );
+  const overflowTabs = tabs.filter((tab) => isVisible(tab) && !fitsInStrip(tab));
 
   // Update tabs when value changes
   useEffect(() => {
@@ -290,69 +348,168 @@ export const Tabs = forwardRef<TabsRef, Props>(function Tabs(
   const tabButtons = useMemo(() => {
     const items: ReactNode[] = [];
     tabs.forEach((t, i) => {
-      if ("hidden" in t && t.hidden) {
+      if (!fitsInStrip(t)) {
         return;
       }
 
-      const isActive = t.value === value;
-      const showDropMarkerBefore = hoveredIndex === i;
-
-      if (showDropMarkerBefore) {
-        items.push(
-          <div
-            key={`marker-${t.value}`}
-            className={classNames("relative", layout === "vertical" ? "w-0" : "h-0")}
-          >
-            <DropMarker orientation={layout === "vertical" ? "vertical" : "horizontal"} />
-          </div>,
-        );
-      }
-
+      const next = tabs[i + 1];
+      const fitted = fittedTabs?.find((tab) => tab.value === t.value);
       items.push(
         <TabButton
           key={t.value}
           tab={t}
-          isActive={isActive}
+          isActive={t.value === value}
           addBorders={addBorders}
           layout={layout}
           reorderable={reorderable}
           isDragging={isDragging?.value === t.value}
           onChangeValue={onChangeValue}
+          width={fitted?.width}
+          spacingCompression={fitted?.spacingCompression}
+          wrap={wrapTabs}
+          dropBefore={hoveredIndex === i}
+          // A drop after the last fitted tab still inserts into the full saved order.
+          dropAfter={hoveredIndex === i + 1 && (!next || !fitsInStrip(next))}
         />,
       );
     });
     return items;
-  }, [tabs, value, addBorders, layout, reorderable, isDragging, onChangeValue, hoveredIndex]);
+  }, [
+    tabs,
+    value,
+    addBorders,
+    layout,
+    reorderable,
+    isDragging,
+    onChangeValue,
+    hoveredIndex,
+    fitsInStrip,
+    fittedTabs,
+    wrapTabs,
+  ]);
 
-  const tabList = (
+  const tabStrip = (
     <div
+      ref={viewportRef}
       role="tablist"
       aria-label={label}
       className={classNames(
-        tabListClassName,
+        !visibilityStorageKey && tabListClassName,
         addBorders && layout === "horizontal" && "pl-3 -ml-1",
         addBorders && layout === "vertical" && "ml-0 mb-2",
         "flex items-center hide-scrollbars",
         layout === "horizontal" && "h-full overflow-auto p-2",
-        layout === "vertical" && "overflow-x-auto overflow-y-visible ",
+        layout === "vertical" &&
+          (responsive ? "relative overflow-hidden py-1" : "overflow-x-auto overflow-y-visible"),
         // Give space for button focus states within overflow boundary.
-        !addBorders && layout === "vertical" && "py-1 pl-3 -ml-5 pr-1",
+        !responsive && !addBorders && layout === "vertical" && "py-1 pl-3 -ml-5 pr-1",
       )}
     >
       <div
         className={classNames(
           layout === "horizontal" && "flex flex-col w-full pb-3 mb-auto",
           layout === "vertical" && "flex flex-row shrink-0 w-full",
+          wrapTabs && "flex-wrap gap-y-1",
         )}
       >
         {tabButtons}
-        {hoveredIndex === tabs.length && (
-          <div className={classNames("relative", layout === "vertical" ? "w-0" : "h-0")}>
-            <DropMarker orientation={layout === "vertical" ? "vertical" : "horizontal"} />
-          </div>
+      </div>
+      {responsive && !wrapTabs && (
+        <div
+          ref={measurementsRef}
+          aria-hidden
+          inert
+          className="absolute invisible pointer-events-none flex w-max"
+        >
+          {tabs.filter(isVisible).map((tab) => (
+            <div key={tab.value} data-measure-tab={tab.value} className="flex shrink-0">
+              <TabButton
+                tab={tab}
+                isActive={tab.value === value}
+                addBorders={addBorders}
+                layout={layout}
+                reorderable={false}
+                isDragging={false}
+              />
+            </div>
+          ))}
+        </div>
+      )}
+    </div>
+  );
+
+  // Keep the menu outside the scroll viewport so tabs cannot paint behind or past it.
+  const tabList = visibilityStorageKey ? (
+    <div
+      className={classNames(
+        tabListClassName,
+        "flex shrink-0 min-w-0 min-h-0",
+        layout === "vertical" ? "items-start" : "flex-col",
+      )}
+    >
+      <div className="min-w-0 min-h-0 flex-1">{tabStrip}</div>
+      <div
+        className={classNames(
+          "shrink-0 pl-1",
+          layout === "vertical" && "flex items-center h-md my-1",
         )}
+      >
+        <Dropdown
+          items={[
+            ...(overflowTabs.length > 0
+              ? [
+                  { type: "separator" as const, label: "More tabs" },
+                  ...overflowTabs.map((tab) => ({
+                    label: tab.menuLabel ?? ("label" in tab ? tab.label : tab.value),
+                    icon: tab.value === value ? ("check" as const) : ("empty" as const),
+                    rightSlot: tab.rightSlot,
+                    onSelect: () => onChangeValue(tab.value),
+                  })),
+                  { type: "separator" as const },
+                ]
+              : []),
+            {
+              label: "Show tabs",
+              submenu: [
+                { type: "separator", label: "In this workspace" },
+                ...tabs
+                  .filter((t) => !("hidden" in t && t.hidden))
+                  .map((tab) => ({
+                    label: tab.menuLabel ?? ("label" in tab ? tab.label : tab.value),
+                    icon: isVisible(tab)
+                      ? ("check_square_checked" as const)
+                      : ("check_square_unchecked" as const),
+                    disabled: isVisible(tab) && tabs.filter(isVisible).length <= 1,
+                    keepOpenOnSelect: true,
+                    onSelect: async () => {
+                      if (!isVisible(tab)) {
+                        await onChangeValue(tab.value);
+                      } else {
+                        if (tab.value === value) {
+                          const next = tabs.find((t) => t.value !== tab.value && isVisible(t));
+                          if (next) await onChangeValue(next.value);
+                        }
+                        await setVisibility((s) => ({ ...s, [tab.value]: false }));
+                      }
+                    },
+                  })),
+              ],
+            },
+            {
+              label: "Wrap tabs",
+              hidden: layout !== "vertical",
+              icon: wrapTabs ? "check_square_checked" : "check_square_unchecked",
+              keepOpenOnSelect: true,
+              onSelect: () => setWrapPreference((wrap) => !wrap),
+            },
+          ]}
+        >
+          <IconButton icon="ellipsis" title="More tabs and visibility" size="sm" />
+        </Dropdown>
       </div>
     </div>
+  ) : (
+    tabStrip
   );
 
   return (
@@ -361,9 +518,13 @@ export const Tabs = forwardRef<TabsRef, Props>(function Tabs(
       className={classNames(
         className,
         "tabs-container",
-        "h-full grid",
+        "h-full",
+        // Size wrapped rows at the resolved pane width instead of using an intrinsic grid track.
+        responsive
+          ? "flex flex-col min-h-0 [&>.tab-content]:flex-1 [&>.tab-content]:min-h-0"
+          : "grid",
         layout === "horizontal" && "grid-rows-1 grid-cols-[auto_minmax(0,1fr)]",
-        layout === "vertical" && "grid-rows-[auto_minmax(0,1fr)] grid-cols-1",
+        !responsive && layout === "vertical" && "grid-rows-[auto_minmax(0,1fr)] grid-cols-1",
       )}
     >
       {reorderable ? (
@@ -409,6 +570,11 @@ interface TabButtonProps {
   isDragging: boolean;
   onChangeValue?: (value: string) => void;
   overlay?: boolean;
+  width?: number;
+  spacingCompression?: number;
+  wrap?: boolean;
+  dropBefore?: boolean;
+  dropAfter?: boolean;
 }
 
 function TabButton({
@@ -420,35 +586,26 @@ function TabButton({
   isDragging,
   onChangeValue,
   overlay = false,
+  width,
+  spacingCompression = 0,
+  wrap = false,
+  dropBefore = false,
+  dropAfter = false,
 }: TabButtonProps) {
-  const {
-    attributes,
-    listeners,
-    setNodeRef: setDraggableRef,
-  } = useDraggable({
-    id: tab.value,
-    disabled: !reorderable,
-    // The button inside handles focus
-    attributes: { tabIndex: -1 },
-  });
-  const { setNodeRef: setDroppableRef } = useDroppable({
-    id: tab.value,
-    disabled: !reorderable,
-  });
-
-  const handleSetWrapperRef = useCallback(
-    (n: HTMLDivElement | null) => {
-      if (reorderable) {
-        setDraggableRef(n);
-        setDroppableRef(n);
-      }
-    },
-    [reorderable, setDraggableRef, setDroppableRef],
-  );
-
+  const constrained = width !== undefined;
   const btnProps: Partial<ButtonProps> = {
     color: "custom",
     justify: layout === "horizontal" ? "start" : "center",
+    innerClassName: classNames(
+      "tab-button-label",
+      constrained && "w-auto! shrink-0 overflow-visible! text-clip!",
+      wrap && "whitespace-normal! overflow-visible! text-clip! [overflow-wrap:anywhere]",
+    ),
+    style: constrained
+      ? {
+          paddingInline: `calc(var(--spacing) * ${2 * (1 - spacingCompression * (1 - MIN_TAB_PADDING_SCALE))})`,
+        }
+      : undefined,
     onClick: isActive
       ? undefined
       : (e: React.MouseEvent) => {
@@ -457,7 +614,8 @@ function TabButton({
         },
     className: classNames(
       "flex items-center rounded-sm whitespace-nowrap",
-      "px-2! ml-px",
+      "ml-px",
+      !constrained && "px-2!",
       "outline-hidden",
       "ring-none",
       "focus-visible-or-class:outline-2",
@@ -471,6 +629,9 @@ function TabButton({
       layout === "horizontal" && "min-w-40",
       isDragging && "opacity-50",
       overlay && "opacity-80",
+      constrained && "w-[calc(100%_-_1px)]",
+      wrap && "max-w-[calc(100%_-_1px)]! h-auto! min-h-md",
+      (constrained || wrap) && "[&>div:not(.tab-button-label)]:shrink-0",
     ),
   };
 
@@ -487,6 +648,9 @@ function TabButton({
           onChange={tab.options.onChange}
         >
           <Button
+            title={
+              (constrained || wrap) && typeof option?.label === "string" ? option.label : undefined
+            }
             leftSlot={tab.leftSlot}
             rightSlot={
               <div className="flex items-center">
@@ -511,22 +675,91 @@ function TabButton({
       );
     }
     return (
-      <Button leftSlot={tab.leftSlot} rightSlot={tab.rightSlot} {...btnProps}>
+      <Button
+        title={(constrained || wrap) && "label" in tab ? tab.label : undefined}
+        leftSlot={tab.leftSlot}
+        rightSlot={tab.rightSlot}
+        {...btnProps}
+      >
         {"label" in tab && tab.label ? tab.label : tab.value}
       </Button>
     );
   })();
 
-  // Apply drag handlers to wrapper, not button
-  const wrapperProps = reorderable && !overlay ? { ...attributes, ...listeners } : {};
+  const wrapperClassName = classNames(
+    "relative shrink-0",
+    layout === "vertical" && (constrained ? "min-w-0" : "mr-2"),
+    wrap && "min-w-0 max-w-[calc(100%_-_0.5rem)]",
+  );
+  const wrapperStyle: CSSProperties = {
+    width,
+    paddingRight: constrained
+      ? `calc(var(--spacing) * ${2 * (1 - spacingCompression * (1 - MIN_TAB_GAP_SCALE))})`
+      : undefined,
+  };
+  // Anchor markers to their tabs so they follow the tab when it wraps onto another row.
+  const content = (
+    <>
+      {dropBefore && (
+        <DropMarker
+          key="before"
+          orientation={layout === "vertical" ? "vertical" : "horizontal"}
+          className={layout === "vertical" ? "left-0" : "top-0"}
+        />
+      )}
+      {buttonContent}
+      {dropAfter && (
+        <DropMarker
+          key="after"
+          orientation={layout === "vertical" ? "vertical" : "horizontal"}
+          className={layout === "vertical" ? "right-0" : "bottom-0"}
+        />
+      )}
+    </>
+  );
+  return reorderable && !overlay ? (
+    <DraggableTab value={tab.value} className={wrapperClassName} style={wrapperStyle}>
+      {content}
+    </DraggableTab>
+  ) : (
+    <div className={wrapperClassName} style={wrapperStyle}>
+      {content}
+    </div>
+  );
+}
+
+// Measurement copies and drag overlays must not register duplicate draggable IDs.
+function DraggableTab({
+  value,
+  className,
+  style,
+  children,
+}: {
+  value: string;
+  className: string;
+  style?: CSSProperties;
+  children: ReactNode;
+}) {
+  const {
+    attributes,
+    listeners,
+    setNodeRef: setDraggableRef,
+  } = useDraggable({
+    id: value,
+    attributes: { tabIndex: -1 },
+  });
+  const { setNodeRef: setDroppableRef } = useDroppable({ id: value });
+  const setRef = useCallback(
+    (node: HTMLDivElement | null) => {
+      setDraggableRef(node);
+      setDroppableRef(node);
+    },
+    [setDraggableRef, setDroppableRef],
+  );
 
   return (
-    <div
-      ref={handleSetWrapperRef}
-      className={classNames("relative", layout === "vertical" && "mr-2")}
-      {...wrapperProps}
-    >
-      {buttonContent}
+    <div ref={setRef} className={className} style={style} {...attributes} {...listeners}>
+      {children}
     </div>
   );
 }

apps/yaak-client/components/core/Tabs/fitTabs.test.ts

@@ -0,0 +1,113 @@
+import { describe, expect, test } from "vite-plus/test";
+import { fitTabs } from "./fitTabs";
+
+const tabs = [
+  { value: "body", width: 80, compactWidth: 66 },
+  { value: "headers", width: 100, compactWidth: 86 },
+  { value: "info", width: 60, compactWidth: 46 },
+  { value: "assertions", width: 120, compactWidth: 106 },
+];
+
+describe("responsive request tabs", () => {
+  test("restores the saved order when the pane has room for every tab", () => {
+    expect(fitTabs(tabs, 500, "assertions")).toEqual(
+      tabs.map(({ value, width }) => ({ value, width, spacingCompression: 0 })),
+    );
+  });
+
+  test("tightens gaps and padding without taking any space from labels", () => {
+    expect(fitTabs(tabs, 332, "assertions")).toEqual([
+      { value: "body", width: 73, spacingCompression: 0.5 },
+      { value: "headers", width: 93, spacingCompression: 0.5 },
+      { value: "info", width: 53, spacingCompression: 0.5 },
+      { value: "assertions", width: 113, spacingCompression: 0.5 },
+    ]);
+    expect(fitTabs(tabs, 304, "assertions")).toEqual(
+      tabs.map(({ value, compactWidth }) => ({
+        value,
+        width: compactWidth,
+        spacingCompression: 1,
+      })),
+    );
+  });
+
+  test("moves whole tabs into overflow when compact spacing is not enough", () => {
+    expect(fitTabs(tabs, 258, "assertions")).toEqual([
+      { value: "body", width: 66, spacingCompression: 1 },
+      { value: "headers", width: 86, spacingCompression: 1 },
+      { value: "assertions", width: 106, spacingCompression: 1 },
+    ]);
+    expect(fitTabs(tabs, 257, "assertions").map((tab) => tab.value)).toEqual([
+      "body",
+      "assertions",
+    ]);
+  });
+
+  test("keeps an active tab from the end visible without reordering it", () => {
+    expect(fitTabs(tabs, 172, "assertions")).toEqual([
+      { value: "body", width: 66, spacingCompression: 1 },
+      { value: "assertions", width: 106, spacingCompression: 1 },
+    ]);
+    expect(fitTabs(tabs, 170, "headers").map((tab) => tab.value)).toEqual(["body", "headers"]);
+  });
+
+  test("puts even the active tab into overflow if it cannot fit on its own", () => {
+    expect(fitTabs(tabs, 40, "assertions")).toEqual([]);
+    expect(fitTabs(tabs, 0, "assertions")).toEqual([]);
+    expect(fitTabs(tabs, 90, "assertions")).toEqual([
+      { value: "body", width: 80, spacingCompression: 0 },
+    ]);
+  });
+
+  test("recalculates after a dropdown label or badge changes width", () => {
+    const longLabel = [{ value: "body", width: 200, compactWidth: 186 }, ...tabs.slice(1)];
+    const result = fitTabs(longLabel, 300, "body");
+    expect(result.map((tab) => tab.value)).toEqual(["body", "headers"]);
+    expect(result.reduce((sum, tab) => sum + tab.width, 0)).toBeCloseTo(300);
+
+    const largeBadge = [{ value: "body", width: 240, compactWidth: 226 }, ...tabs.slice(1)];
+    expect(fitTabs(largeBadge, 280, "body").map((tab) => tab.value)).toEqual(["body"]);
+  });
+
+  test("does not skip a long tab to squeeze later tabs into the leading group", () => {
+    expect(fitTabs(tabs, 200, "assertions").map((tab) => tab.value)).toEqual([
+      "body",
+      "assertions",
+    ]);
+    expect(fitTabs(tabs, 160).map((tab) => tab.value)).toEqual(["body", "headers"]);
+  });
+
+  test("handles tabs with no spacing to compress", () => {
+    const shortTabs = tabs.filter((tab) => tab.value === "body" || tab.value === "info");
+    expect(fitTabs(shortTabs, 126, "body")).toEqual([
+      { value: "body", width: 73, spacingCompression: 0.5 },
+      { value: "info", width: 53, spacingCompression: 0.5 },
+    ]);
+    const fixedTabs = shortTabs.map((tab) => ({ ...tab, compactWidth: tab.width }));
+    expect(fitTabs(fixedTabs, 126, "body")).toEqual([
+      { value: "body", width: 80, spacingCompression: 0 },
+    ]);
+    expect(fitTabs(fixedTabs, 40, "body")).toEqual([]);
+  });
+
+  test("stays within the pane and each label's bounds throughout resizing", () => {
+    for (let width = 0; width <= 500; width++) {
+      for (const active of tabs) {
+        const result = fitTabs(tabs, width, active.value);
+        expect(result.some((tab) => tab.value === active.value)).toBe(width >= active.compactWidth);
+        expect(result.reduce((sum, tab) => sum + tab.width, 0)).toBeLessThanOrEqual(width + 0.001);
+        for (const tab of result) {
+          const original = tabs.find((t) => t.value === tab.value)!;
+          expect(tab.width).toBeGreaterThanOrEqual(original.compactWidth);
+          expect(tab.width).toBeLessThanOrEqual(original.width);
+          expect(tab.spacingCompression).toBeGreaterThanOrEqual(0);
+          expect(tab.spacingCompression).toBeLessThanOrEqual(1);
+          // All removed width must come from spacing, at every pane size.
+          expect(original.width - tab.width).toBeCloseTo(
+            tab.spacingCompression * (original.width - original.compactWidth),
+          );
+        }
+      }
+    }
+  });
+});

apps/yaak-client/components/core/Tabs/fitTabs.ts

@@ -0,0 +1,38 @@
+export const MIN_TAB_PADDING_SCALE = 0.5;
+export const MIN_TAB_GAP_SCALE = 0.25;
+
+export interface TabWidth {
+  value: string;
+  width: number;
+  /** Full label and badges, with the smallest padding and gap. */
+  compactWidth: number;
+}
+
+/** Tighten spacing to fit whole tabs, keeping every visible label intact. */
+export function fitTabs(
+  tabs: TabWidth[],
+  availableWidth: number,
+  activeValue?: string,
+): { value: string; width: number; spacingCompression: number }[] {
+  const available = Math.max(0, availableWidth);
+  // Even the active tab goes into overflow if it cannot fit on its own.
+  const active = tabs.find((tab) => tab.value === activeValue && tab.compactWidth <= available);
+  let remaining = available - (active?.compactWidth ?? 0);
+  const fitted = new Set(active ? [active.value] : []);
+  for (const tab of tabs) {
+    if (tab === active) continue;
+    if (tab.compactWidth > remaining) break;
+    fitted.add(tab.value);
+    remaining -= tab.compactWidth;
+  }
+  const visible = tabs.filter((tab) => fitted.has(tab.value));
+  const naturalWidth = visible.reduce((sum, tab) => sum + tab.width, 0);
+  const deficit = Math.max(0, naturalWidth - available);
+  const spareSpacing = visible.reduce((sum, tab) => sum + tab.width - tab.compactWidth, 0);
+  const spacingCompression = spareSpacing > 0 ? Math.min(1, deficit / spareSpacing) : 0;
+  return visible.map((tab) => ({
+    value: tab.value,
+    spacingCompression,
+    width: tab.width - spacingCompression * (tab.width - tab.compactWidth),
+  }));
+}

apps/yaak-client/components/core/Tabs/useFittingTabs.ts

@@ -0,0 +1,55 @@
+import { useLayoutEffect, useRef, useState } from "react";
+import { fitTabs, MIN_TAB_GAP_SCALE, MIN_TAB_PADDING_SCALE } from "./fitTabs";
+
+export function useFittingTabs(enabled: boolean, activeValue?: string) {
+  const viewportRef = useRef<HTMLDivElement>(null);
+  const measurementsRef = useRef<HTMLDivElement>(null);
+  const [fittedTabs, setFittedTabs] = useState<ReturnType<typeof fitTabs> | null>(null);
+
+  // Reobserve after render: tab labels, badges and available tabs can all change.
+  useLayoutEffect(() => {
+    const viewport = viewportRef.current;
+    const measurements = measurementsRef.current;
+    if (!enabled || !viewport || !measurements) return;
+
+    const measure = () => {
+      const widths = Array.from(measurements.children, (child) => {
+        const width = child.getBoundingClientRect().width;
+        const button = child.querySelector("button");
+        const buttonStyle = button ? getComputedStyle(button) : null;
+        const padding = buttonStyle
+          ? Number.parseFloat(buttonStyle.paddingLeft) + Number.parseFloat(buttonStyle.paddingRight)
+          : 0;
+        const gap = child.firstElementChild
+          ? Number.parseFloat(getComputedStyle(child.firstElementChild).marginRight)
+          : 0;
+        const compactWidth =
+          width - padding * (1 - MIN_TAB_PADDING_SCALE) - gap * (1 - MIN_TAB_GAP_SCALE);
+        return {
+          value: child.getAttribute("data-measure-tab") ?? "",
+          width,
+          compactWidth,
+        };
+      });
+      const next = fitTabs(widths, viewport.clientWidth, activeValue);
+      setFittedTabs((previous) =>
+        previous?.length === next.length &&
+        previous.every(
+          (tab, i) =>
+            tab.value === next[i]?.value &&
+            tab.width === next[i]?.width &&
+            tab.spacingCompression === next[i]?.spacingCompression,
+        )
+          ? previous
+          : next,
+      );
+    };
+    measure();
+    const observer = new ResizeObserver(measure);
+    observer.observe(viewport);
+    for (const child of measurements.children) observer.observe(child);
+    return () => observer.disconnect();
+  });
+
+  return { viewportRef, measurementsRef, fittedTabs: enabled ? fittedTabs : null };
+}

crates-cli/yaak-cli/Cargo.toml

@@ -9,6 +9,7 @@ name = "yaak"
 path = "src/main.rs"
 
 [dependencies]
+yaak-assertions = { workspace = true }
 arboard = "3"
 base64 = "0.22"
 clap = { version = "4", features = ["derive"] }

crates-cli/yaak-cli/src/cli.rs

@@ -71,6 +71,9 @@ pub enum Commands {
     /// Send a request, folder, or workspace by ID
     Send(SendArgs),
 
+    /// Run HTTP assertions (exit 0: passed, 1: failed/error, 2: invalid configuration)
+    Test(TestArgs),
+
     /// Cookie jar commands
     CookieJar(CookieJarArgs),
 
@@ -186,6 +189,24 @@ pub enum AgentCommands {
     },
 }
 
+#[derive(Args)]
+pub struct TestArgs {
+    /// Request, folder, or workspace ID; sends HTTP requests sequentially in sidebar order
+    pub id: String,
+
+    /// Stop after the first failed check or request error
+    #[arg(long)]
+    pub fail_fast: bool,
+
+    /// Write a JSON report without URLs, headers, bodies, or assertion values
+    #[arg(long, value_name = "FILE")]
+    pub json: Option<PathBuf>,
+
+    /// Write a JUnit XML report without request or assertion values
+    #[arg(long, value_name = "FILE")]
+    pub junit: Option<PathBuf>,
+}
+
 #[derive(Args)]
 pub struct SendArgs {
     /// Request, folder, or workspace ID

crates-cli/yaak-cli/src/commands/mod.rs

@@ -10,3 +10,5 @@ pub mod response;
 pub mod send;
 pub mod template_function;
 pub mod workspace;
+
+pub mod test;

crates-cli/yaak-cli/src/commands/test.rs

@@ -0,0 +1,442 @@
+use crate::cli::TestArgs;
+use crate::commands::request::resolve_cookie_jar_id;
+use crate::context::CliContext;
+use serde::Serialize;
+use std::collections::HashSet;
+use yaak::send::{SendHttpRequestWithPluginsParams, send_http_request_with_plugins};
+use yaak_assertions::{AssertionReport, HttpAssertions};
+use yaak_models::models::{Folder, HttpRequest};
+use yaak_models::queries::any_request::AnyRequest;
+use yaak_models::util::UpdateSource;
+use yaak_plugins::events::PluginContext;
+
+// Reports intentionally contain no names, URLs, selectors, expected/actual values, or transport
+// error strings (which can embed URLs/tokens). The stored response has details for local inspection.
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct CheckResult {
+    assertion_id: String,
+    outcome: String,
+    reason: String,
+}
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct RequestResult {
+    request_id: String,
+    outcome: String,
+    reason: String,
+    checks: Vec<CheckResult>,
+}
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct RunReport {
+    version: u32,
+    exit_code: i32,
+    requests: Vec<RequestResult>,
+}
+
+pub async fn run(
+    ctx: &CliContext,
+    args: TestArgs,
+    environment: Option<&str>,
+    cookie_jar: Option<&str>,
+) -> i32 {
+    match run_inner(ctx, &args, environment, cookie_jar).await {
+        Ok(report) => {
+            if let Err(e) = write_reports(&args, &report) {
+                eprintln!("Could not write test report: {e}");
+                return 2;
+            }
+            for request in &report.requests {
+                println!(
+                    "{} {}: {}",
+                    request.outcome.to_uppercase(),
+                    request.request_id,
+                    request.reason
+                );
+                for check in &request.checks {
+                    println!(
+                        "  {} {}: {}",
+                        check.outcome.to_uppercase(),
+                        check.assertion_id,
+                        check.reason
+                    );
+                }
+            }
+            let count = |outcome| report.requests.iter().filter(|r| r.outcome == outcome).count();
+            println!(
+                "Test summary: {} passed, {} failed, {} errors, {} unchecked, {} skipped",
+                count("passed"),
+                count("failed"),
+                count("error"),
+                count("unchecked"),
+                count("skipped")
+            );
+            report.exit_code
+        }
+        Err(error) => {
+            eprintln!("Invalid test configuration: {error}");
+            2
+        }
+    }
+}
+
+async fn run_inner(
+    ctx: &CliContext,
+    args: &TestArgs,
+    environment: Option<&str>,
+    cookie_jar: Option<&str>,
+) -> Result<RunReport, String> {
+    let (workspace_id, requests) = select_requests(ctx, &args.id)?;
+    let jar = resolve_cookie_jar_id(ctx, &workspace_id, cookie_jar)?;
+    if let Some(id) = environment {
+        ctx.db().get_environment_for_workspace(&workspace_id, id).map_err(|_| {
+            "Selected environment is missing or does not belong to this workspace".to_owned()
+        })?;
+    }
+    // Validate the entire selection before sending anything, including unchecked setup requests.
+    let mut enabled = 0;
+    for request in &requests {
+        yaak_assertions::validate(&request.assertions)
+            .map_err(|e| format!("{}: {e}", request.id))?;
+        enabled += request.assertions.checks.iter().filter(|c| c.enabled).count();
+    }
+    if enabled == 0 {
+        return Err("Selected requests have no enabled assertions".into());
+    }
+    if args.json.is_some() && args.json == args.junit {
+        return Err("JSON and JUnit reports require different files".into());
+    }
+    let (cancel_tx, cancel_rx) = tokio::sync::watch::channel(false);
+    let cancel_task = tokio::spawn(async move {
+        if tokio::signal::ctrl_c().await.is_ok() {
+            let _ = cancel_tx.send(true);
+        }
+    });
+    let plugin_context = PluginContext::new(Some("cli".into()), Some(workspace_id));
+    let response_dir = ctx.data_dir().join("responses");
+    let mut report = RunReport { version: 1, exit_code: 0, requests: Vec::new() };
+    let mut stopped = false;
+    for request in requests {
+        if stopped || *cancel_rx.borrow() {
+            report.requests.push(skipped(
+                &request.id,
+                &request.assertions,
+                if *cancel_rx.borrow() { "Canceled" } else { "Stopped after failure" },
+            ));
+            continue;
+        }
+        let id = request.id.clone();
+        let definition = request.assertions.clone();
+        let result = send_http_request_with_plugins(SendHttpRequestWithPluginsParams {
+            query_manager: ctx.query_manager(),
+            blob_manager: ctx.blob_manager(),
+            request,
+            environment_id: environment,
+            update_source: UpdateSource::Sync,
+            cookie_jar_id: jar.clone(),
+            response_dir: &response_dir,
+            emit_events_to: None,
+            emit_response_body_chunks_to: None,
+            existing_response: None,
+            plugin_manager: ctx.plugin_manager(),
+            encryption_manager: ctx.encryption_manager.clone(),
+            plugin_context: &plugin_context,
+            cancelled_rx: Some(cancel_rx.clone()),
+            connection_manager: ctx.connection_manager(),
+        })
+        .await;
+        let request_result = match result {
+            Ok(result) if result.response.error.is_none() && !*cancel_rx.borrow() => {
+                summarize(&id, &definition, result.response.assertion_results.as_ref())
+            }
+            _ => RequestResult {
+                request_id: id,
+                outcome: "error".into(),
+                reason: if *cancel_rx.borrow() {
+                    "Request canceled"
+                } else {
+                    "Request did not complete successfully"
+                }
+                .into(),
+                checks: definition
+                    .checks
+                    .iter()
+                    .map(|c| CheckResult {
+                        assertion_id: c.id.clone(),
+                        outcome: if c.enabled { "error" } else { "skipped" }.into(),
+                        reason: if c.enabled {
+                            "Request did not complete successfully"
+                        } else {
+                            "Disabled"
+                        }
+                        .into(),
+                    })
+                    .collect(),
+            },
+        };
+        if matches!(request_result.outcome.as_str(), "failed" | "error") {
+            report.exit_code = 1;
+            stopped = args.fail_fast;
+        }
+        report.requests.push(request_result);
+    }
+    if *cancel_rx.borrow() {
+        report.exit_code = 130;
+    }
+    cancel_task.abort();
+    Ok(report)
+}
+
+fn summarize(
+    id: &str,
+    definition: &HttpAssertions,
+    report: Option<&AssertionReport>,
+) -> RequestResult {
+    let checks: Vec<CheckResult> = report
+        .map(|r| {
+            r.results
+                .iter()
+                .map(|c| CheckResult {
+                    assertion_id: c.assertion_id.clone(),
+                    outcome: c.outcome.clone(),
+                    reason: c.reason.clone(),
+                })
+                .collect()
+        })
+        .unwrap_or_default();
+    let enabled = definition.checks.iter().filter(|c| c.enabled).count();
+    let (outcome, reason) = if report.is_some_and(|r| r.error.is_some())
+        || checks.iter().any(|c| matches!(c.outcome.as_str(), "error" | "invalid"))
+    {
+        ("error", "Assertions could not be evaluated")
+    } else if checks.iter().any(|c| c.outcome == "failed") {
+        ("failed", "Assertions failed")
+    } else if enabled == 0 {
+        ("unchecked", "No enabled assertions")
+    } else if checks.iter().filter(|c| c.outcome == "passed").count() != enabled {
+        ("error", "Assertion results are incomplete")
+    } else {
+        ("passed", "All enabled assertions passed")
+    };
+    RequestResult { request_id: id.into(), outcome: outcome.into(), reason: reason.into(), checks }
+}
+
+fn skipped(id: &str, definition: &HttpAssertions, reason: &str) -> RequestResult {
+    RequestResult {
+        request_id: id.into(),
+        outcome: "skipped".into(),
+        reason: reason.into(),
+        checks: definition
+            .checks
+            .iter()
+            .map(|c| CheckResult {
+                assertion_id: c.id.clone(),
+                outcome: "skipped".into(),
+                reason: reason.into(),
+            })
+            .collect(),
+    }
+}
+
+fn select_requests(ctx: &CliContext, id: &str) -> Result<(String, Vec<HttpRequest>), String> {
+    let db = ctx.db();
+    if let Ok(request) = db.get_any_request(id) {
+        return match request {
+            AnyRequest::HttpRequest(r) => Ok((r.workspace_id.clone(), vec![r])),
+            _ => Err("Assertions currently support HTTP requests only".into()),
+        };
+    }
+    let (workspace_id, parent) = if let Ok(folder) = db.get_folder(id) {
+        (folder.workspace_id, Some(folder.id))
+    } else if let Ok(workspace) = db.get_workspace(id) {
+        (workspace.id, None)
+    } else {
+        return Err("Could not resolve request, folder, or workspace".into());
+    };
+    let folders = db.list_folders(&workspace_id).map_err(|e| e.to_string())?;
+    let requests = db.list_http_requests(&workspace_id).map_err(|e| e.to_string())?;
+    // Refuse mixed protocols rather than silently producing a green partial suite.
+    let mut folder_ids = HashSet::new();
+    let ordered = ordered_requests(&folders, &requests, parent.as_deref(), &mut folder_ids)?;
+    let selected = |folder: Option<&String>| {
+        parent.is_none() || folder.is_some_and(|f| folder_ids.contains(f))
+    };
+    if db
+        .list_grpc_requests(&workspace_id)
+        .map_err(|e| e.to_string())?
+        .iter()
+        .any(|r| selected(r.folder_id.as_ref()))
+        || db
+            .list_websocket_requests(&workspace_id)
+            .map_err(|e| e.to_string())?
+            .iter()
+            .any(|r| selected(r.folder_id.as_ref()))
+    {
+        return Err(
+            "Selection includes gRPC or WebSocket requests; choose an HTTP request or folder"
+                .into(),
+        );
+    }
+    if parent.is_none() && ordered.len() != requests.len() {
+        return Err("Request folder hierarchy is invalid".into());
+    }
+    Ok((workspace_id, ordered))
+}
+
+fn ordered_requests(
+    folders: &[Folder],
+    requests: &[HttpRequest],
+    parent: Option<&str>,
+    visited: &mut HashSet<String>,
+) -> Result<Vec<HttpRequest>, String> {
+    if let Some(id) = parent {
+        if !visited.insert(id.to_owned()) {
+            return Err("Request folder hierarchy contains a cycle".into());
+        }
+    }
+    let mut children: Vec<_> = folders
+        .iter()
+        .filter(|f| f.folder_id.as_deref() == parent)
+        .map(|f| (f.sort_priority, f.created_at, f.id.as_str(), None::<&HttpRequest>))
+        .collect();
+    children.extend(
+        requests
+            .iter()
+            .filter(|r| r.folder_id.as_deref() == parent)
+            .map(|r| (r.sort_priority, r.created_at, r.id.as_str(), Some(r))),
+    );
+    children.sort_by(|a, b| a.0.total_cmp(&b.0).then(a.1.cmp(&b.1)).then(a.2.cmp(b.2)));
+    let mut ordered = Vec::new();
+    for (_, _, id, request) in children {
+        if let Some(request) = request {
+            ordered.push(request.clone());
+        } else {
+            ordered.extend(ordered_requests(folders, requests, Some(id), visited)?);
+        }
+    }
+    Ok(ordered)
+}
+
+fn write_reports(args: &TestArgs, report: &RunReport) -> Result<(), String> {
+    if let Some(path) = &args.json {
+        std::fs::write(path, serde_json::to_vec_pretty(report).map_err(|e| e.to_string())?)
+            .map_err(|e| e.to_string())?;
+    }
+    if let Some(path) = &args.junit {
+        std::fs::write(path, junit(report)).map_err(|e| e.to_string())?;
+    }
+    Ok(())
+}
+
+fn xml(s: &str) -> String {
+    s.chars()
+        .filter(|&c| {
+            matches!(c, '\t' | '\n' | '\r') || c >= ' ' && c != '\u{fffe}' && c != '\u{ffff}'
+        })
+        .collect::<String>()
+        .replace('&', "&amp;")
+        .replace('<', "&lt;")
+        .replace('>', "&gt;")
+        .replace('"', "&quot;")
+        .replace('\'', "&apos;")
+}
+fn junit(report: &RunReport) -> String {
+    let mut cases = Vec::new();
+    for request in &report.requests {
+        for check in &request.checks {
+            cases.push((
+                request.request_id.as_str(),
+                check.assertion_id.as_str(),
+                check.outcome.as_str(),
+                check.reason.as_str(),
+            ));
+        }
+        if request.checks.is_empty()
+            || request.outcome == "error"
+                && !request.checks.iter().any(|c| c.outcome == "error" || c.outcome == "invalid")
+        {
+            cases.push((
+                request.request_id.as_str(),
+                "request",
+                if request.outcome == "unchecked" { "skipped" } else { &request.outcome },
+                request.reason.as_str(),
+            ));
+        }
+    }
+    let count = |outcome| cases.iter().filter(|c| c.2 == outcome).count();
+    let mut out = format!(
+        "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<testsuite name=\"Yaak\" tests=\"{}\" failures=\"{}\" errors=\"{}\" skipped=\"{}\">\n",
+        cases.len(),
+        count("failed"),
+        count("error") + count("invalid"),
+        count("skipped")
+    );
+    for (request, check, outcome, reason) in cases {
+        out.push_str(&format!(
+            "  <testcase classname=\"{}\" name=\"{}\">",
+            xml(request),
+            xml(check)
+        ));
+        let tag = match outcome {
+            "failed" => Some("failure"),
+            "error" | "invalid" => Some("error"),
+            "skipped" => Some("skipped"),
+            _ => None,
+        };
+        if let Some(tag) = tag {
+            out.push_str(&format!("<{tag} message=\"{}\"/>", xml(reason)));
+        }
+        out.push_str("</testcase>\n");
+    }
+    out.push_str("</testsuite>\n");
+    out
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    #[test]
+    fn sidebar_order_interleaves_folders_and_requests() {
+        let folders =
+            vec![Folder { id: "folder".into(), sort_priority: 2.0, ..Default::default() }];
+        let requests = vec![
+            HttpRequest { id: "last".into(), sort_priority: 3.0, ..Default::default() },
+            HttpRequest {
+                id: "nested".into(),
+                folder_id: Some("folder".into()),
+                ..Default::default()
+            },
+            HttpRequest { id: "first".into(), sort_priority: 1.0, ..Default::default() },
+        ];
+        let ordered = ordered_requests(&folders, &requests, None, &mut HashSet::new()).unwrap();
+        assert_eq!(
+            ordered.iter().map(|r| r.id.as_str()).collect::<Vec<_>>(),
+            vec!["first", "nested", "last"]
+        );
+    }
+    #[test]
+    fn junit_escapes_attributes_and_counts_all_outcomes() {
+        let report = RunReport {
+            version: 1,
+            exit_code: 1,
+            requests: vec![
+                RequestResult {
+                    request_id: "rq_<&\"".into(),
+                    outcome: "failed".into(),
+                    reason: "Assertions failed".into(),
+                    checks: vec![CheckResult {
+                        assertion_id: "check".into(),
+                        outcome: "failed".into(),
+                        reason: "Value did not match".into(),
+                    }],
+                },
+                skipped("rq_skip", &HttpAssertions::default(), "Stopped after failure"),
+            ],
+        };
+        let xml = junit(&report);
+        assert!(xml.contains("tests=\"2\" failures=\"1\" errors=\"0\" skipped=\"1\""));
+        assert!(xml.contains("classname=\"rq_&lt;&amp;&quot;\""));
+        assert!(xml.contains("<skipped "));
+    }
+}

crates-cli/yaak-cli/src/main.rs

@@ -129,6 +129,32 @@ async fn main() {
                 }
             }
         }
+        Commands::Test(args) => {
+            let mut context = CliContext::new(data_dir.clone(), app_id);
+            match resolve_send_execution_context(
+                &context,
+                &args.id,
+                environment.as_deref(),
+                cookie_jar.as_deref(),
+            ) {
+                Ok(execution_context) => {
+                    context.init_plugins(execution_context).await;
+                    let exit_code = commands::test::run(
+                        &context,
+                        args,
+                        environment.as_deref(),
+                        cookie_jar.as_deref(),
+                    )
+                    .await;
+                    context.shutdown().await;
+                    exit_code
+                }
+                Err(error) => {
+                    eprintln!("Error: {error}");
+                    2
+                }
+            }
+        }
         Commands::CookieJar(args) => {
             let context = CliContext::new(data_dir.clone(), app_id);
             let exit_code = commands::cookie_jar::run(&context, args);

crates-cli/yaak-cli/tests/assertion_commands.rs

@@ -0,0 +1,164 @@
+mod common;
+
+use common::http_server::TestHttpServer;
+use common::{cli_cmd, query_manager, seed_workspace};
+use predicates::str::contains;
+use tempfile::TempDir;
+use yaak_models::models::{HttpAssertion, HttpAssertions, HttpRequest};
+use yaak_models::util::UpdateSource;
+
+fn request(id: &str, url: &str, expected: &str) -> HttpRequest {
+    HttpRequest {
+        id: id.into(),
+        workspace_id: "wk_test".into(),
+        url: url.into(),
+        name: "SECRET_REQUEST_NAME".into(),
+        assertions: HttpAssertions {
+            version: 1,
+            checks: vec![HttpAssertion {
+                id: "assertion".into(),
+                selector: "$.token".into(),
+                expected: expected.into(),
+                ..Default::default()
+            }],
+        },
+        ..Default::default()
+    }
+}
+fn save(dir: &std::path::Path, request: &HttpRequest) {
+    query_manager(dir).with_tx(|tx| tx.upsert_http_request(request, &UpdateSource::Sync)).unwrap();
+}
+
+#[test]
+fn sends_assertions_persists_snapshots_and_writes_safe_reports() {
+    let dir = TempDir::new().unwrap();
+    seed_workspace(dir.path(), "wk_test");
+    let server = TestHttpServer::spawn_ok(r#"{"token":"SECRET_TOKEN"}"#);
+    let mut req = request("rq_test", &server.url, "SECRET_TOKEN");
+    save(dir.path(), &req);
+    cli_cmd(dir.path())
+        .args(["test", "rq_test", "--environment", "missing"])
+        .assert()
+        .code(2)
+        .stderr(contains("Selected environment"));
+    assert!(
+        query_manager(dir.path())
+            .connect()
+            .list_http_responses("wk_test", None)
+            .unwrap()
+            .is_empty()
+    );
+    let json = dir.path().join("results.json");
+    let junit = dir.path().join("results.xml");
+    let output = cli_cmd(dir.path())
+        .args(["test", "rq_test", "--json"])
+        .arg(&json)
+        .arg("--junit")
+        .arg(&junit)
+        .assert()
+        .success()
+        .stdout(contains("1 passed, 0 failed"))
+        .get_output()
+        .clone();
+    for text in [
+        String::from_utf8_lossy(&output.stdout).into_owned(),
+        std::fs::read_to_string(&json).unwrap(),
+        std::fs::read_to_string(&junit).unwrap(),
+    ] {
+        assert!(!text.contains("SECRET"));
+        assert!(!text.contains(&server.url));
+        assert!(!text.contains("$.token"));
+    }
+    let report: serde_json::Value = serde_json::from_slice(&std::fs::read(json).unwrap()).unwrap();
+    assert_eq!(report["requests"][0]["checks"][0]["outcome"], "passed");
+    let manager = query_manager(dir.path());
+    let history = manager.connect().list_http_responses("wk_test", None).unwrap();
+    assert_eq!(history.len(), 1);
+    let original_id = history[0].id.clone();
+    assert_eq!(history[0].assertion_results.as_ref().unwrap().definition, req.assertions);
+    req.assertions.checks[0].expected = "DIFFERENT_SECRET".into();
+    save(dir.path(), &req);
+    assert_eq!(
+        manager
+            .connect()
+            .get_http_response(&original_id)
+            .unwrap()
+            .assertion_results
+            .unwrap()
+            .definition
+            .checks[0]
+            .expected,
+        "SECRET_TOKEN"
+    );
+    cli_cmd(dir.path()).args(["test", "rq_test"]).assert().code(1).stdout(contains("1 failed"));
+    // Ordinary send still prints the response body and succeeds even when a check fails.
+    cli_cmd(dir.path())
+        .args(["send", "rq_test"])
+        .assert()
+        .success()
+        .stdout(contains("SECRET_TOKEN"));
+}
+
+#[test]
+fn invalid_suite_and_empty_suite_do_not_send_and_fail_fast_records_skips() {
+    let dir = TempDir::new().unwrap();
+    seed_workspace(dir.path(), "wk_test");
+    let server = TestHttpServer::spawn_ok(r#"{"token":"actual"}"#);
+    let mut first = request("rq_a", &server.url, "different");
+    first.sort_priority = 0.0;
+    let mut second = request("rq_b", &server.url, "actual");
+    second.sort_priority = 1.0;
+    second.assertions.checks[0].selector = "$[".into();
+    save(dir.path(), &first);
+    save(dir.path(), &second);
+    cli_cmd(dir.path())
+        .args(["test", "wk_test"])
+        .assert()
+        .code(2)
+        .stderr(contains("valid JSONPath"));
+    assert!(
+        query_manager(dir.path())
+            .connect()
+            .list_http_responses("wk_test", None)
+            .unwrap()
+            .is_empty()
+    );
+    second.assertions.checks[0].selector = "token".into();
+    save(dir.path(), &second);
+    let json = dir.path().join("results.json");
+    cli_cmd(dir.path())
+        .args(["test", "wk_test", "--fail-fast", "--json"])
+        .arg(&json)
+        .assert()
+        .code(1)
+        .stdout(contains("1 failed, 0 errors, 0 unchecked, 1 skipped"));
+    let report: serde_json::Value = serde_json::from_slice(&std::fs::read(json).unwrap()).unwrap();
+    assert_eq!(report["requests"][1]["requestId"], "rq_b");
+    assert_eq!(report["requests"][1]["outcome"], "skipped");
+    assert_eq!(
+        query_manager(dir.path()).connect().list_http_responses("wk_test", None).unwrap().len(),
+        1
+    );
+    first.assertions.checks.clear();
+    save(dir.path(), &first);
+    cli_cmd(dir.path())
+        .args(["test", "rq_a"])
+        .assert()
+        .code(2)
+        .stderr(contains("no enabled assertions"));
+}
+
+#[test]
+fn transport_errors_are_distinct_from_failed_comparisons() {
+    let dir = TempDir::new().unwrap();
+    seed_workspace(dir.path(), "wk_test");
+    let listener = std::net::TcpListener::bind("127.0.0.1:0").unwrap();
+    let url = format!("http://{}", listener.local_addr().unwrap());
+    drop(listener);
+    save(dir.path(), &request("rq_error", &url, "SECRET"));
+    cli_cmd(dir.path())
+        .args(["test", "rq_error"])
+        .assert()
+        .code(1)
+        .stdout(contains("0 failed, 1 errors"));
+}

crates-server/yaak-web/bindings/gen_assertions.ts

@@ -0,0 +1,9 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+/**
+ * Strings intentionally retain unknown operators/types so they fail validation, rather than
+ * disappearing during import or being treated as an empty, passing collection.
+ */
+export type HttpAssertion = { id: string, enabled: boolean, target: string, selector: string, operator: string, expected: string, expectedType: string, };
+
+export type HttpAssertions = { version: number, checks: Array<HttpAssertion>, };

crates-server/yaak-web/bindings/gen_models.ts

@@ -1,135 +1,53 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { HttpAssertions } from "./gen_assertions";
 
-export type Cookie = {
-  name: string;
-  value: string;
-  domain: CookieDomain;
-  expires: CookieExpires;
-  path: string;
-  secure: boolean;
-  httpOnly: boolean;
-  sameSite: CookieSameSite | null;
-};
+export type Cookie = { name: string, value: string, domain: CookieDomain, expires: CookieExpires, path: string, secure: boolean, httpOnly: boolean, sameSite: CookieSameSite | null, };
 
-export type CookieDomain = { HostOnly: string } | { Suffix: string } | "NotPresent" | "Empty";
+export type CookieDomain = { "HostOnly": string } | { "Suffix": string } | "NotPresent" | "Empty";
 
-export type CookieExpires = { AtUtc: string } | "SessionEnd";
+export type CookieExpires = { "AtUtc": string } | "SessionEnd";
 
 export type CookieSameSite = "Strict" | "Lax" | "None";
 
-export type HttpRequest = {
-  model: "http_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  body: Record<string, any>;
-  bodyType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  method: string;
-  name: string;
-  sortPriority: number;
-  url: string;
-  /**
-   * URL parameters used for both path placeholders (`:id`) and query string entries.
-   */
-  urlParameters: Array<HttpUrlParameter>;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingFollowRedirects: InheritedBoolSetting;
-  settingRequestTimeout: InheritedIntSetting;
-  settingHttpVersion: InheritedHttpVersionSetting;
-};
+export type HttpRequest = { model: "http_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, body: Record<string, any>, bodyType: string | null, description: string, headers: Array<HttpRequestHeader>, assertions: HttpAssertions, method: string, name: string, sortPriority: number, url: string,
+/**
+ * URL parameters used for both path placeholders (`:id`) and query string entries.
+ */
+urlParameters: Array<HttpUrlParameter>, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingFollowRedirects: InheritedBoolSetting, settingRequestTimeout: InheritedIntSetting, settingHttpVersion: InheritedHttpVersionSetting, };
 
-export type HttpRequestHeader = { enabled?: boolean; name: string; value: string; id?: string };
+export type HttpRequestHeader = { enabled?: boolean, name: string, value: string, id?: string, };
 
 /**
  * Serializable representation of HTTP response events for DB storage.
  * This mirrors `yaak_http::sender::HttpResponseEvent` but with serde support.
  * The `From` impl is in yaak-http to avoid circular dependencies.
  */
-export type HttpResponseEventData =
-  | {
-      type: "setting";
-      name: string;
-      value: string;
-      source_model?: string;
-      source_id?: string;
-      source_name?: string;
-    }
-  | { type: "info"; message: string }
-  | {
-      type: "redirect";
-      url: string;
-      status: number;
-      behavior: string;
-      dropped_body: boolean;
-      dropped_headers: Array<string>;
-    }
-  | {
-      type: "send_url";
-      method: string;
-      scheme: string;
-      username: string;
-      password: string;
-      host: string;
-      port: number;
-      path: string;
-      query: string;
-      fragment: string;
-    }
-  | { type: "receive_url"; version: string; status: string }
-  | { type: "header_up"; name: string; value: string }
-  | { type: "header_down"; name: string; value: string }
-  | { type: "chunk_sent"; bytes: number }
-  | { type: "chunk_received"; bytes: number }
-  | {
-      type: "dns_resolved";
-      hostname: string;
-      addresses: Array<string>;
-      duration: bigint;
-      overridden: boolean;
-    };
+export type HttpResponseEventData = { "type": "setting", name: string, value: string, source_model?: string, source_id?: string, source_name?: string, } | { "type": "info", message: string, } | { "type": "redirect", url: string, status: number, behavior: string, dropped_body: boolean, dropped_headers: Array<string>, } | { "type": "send_url", method: string, scheme: string, username: string, password: string, host: string, port: number, path: string, query: string, fragment: string, } | { "type": "receive_url", version: string, status: string, } | { "type": "header_up", name: string, value: string, } | { "type": "header_down", name: string, value: string, } | { "type": "chunk_sent", bytes: number, } | { "type": "chunk_received", bytes: number, } | { "type": "dns_resolved", hostname: string, addresses: Array<string>, duration: bigint, overridden: boolean, };
 
-export type HttpResponseHeader = { name: string; value: string };
+export type HttpResponseHeader = { name: string, value: string, };
 
 /**
  * The resolved send settings, values only: what an executor has to obey, with the sources
  * (which model each came from) left behind in [`ResolvedHttpRequestSettings`]. This is what
  * crosses from a tab to the Yaak server, and what the server reads.
  */
-export type HttpSendSettings = {
-  validateCertificates: boolean;
-  followRedirects: boolean;
-  /**
-   * Milliseconds. Zero or negative means no timeout.
-   */
-  timeoutMs: number;
-  sendCookies: boolean;
-  storeCookies: boolean;
-  httpVersion: HttpVersion;
-};
+export type HttpSendSettings = { validateCertificates: boolean, followRedirects: boolean,
+/**
+ * Milliseconds. Zero or negative means no timeout.
+ */
+timeoutMs: number, sendCookies: boolean, storeCookies: boolean, httpVersion: HttpVersion, };
 
-export type HttpUrlParameter = {
-  enabled?: boolean;
-  /**
-   * Colon-prefixed parameters are treated as path parameters if they match, like `/users/:id`
-   * Other entries are appended as query parameters
-   */
-  name: string;
-  value: string;
-  id?: string;
-};
+export type HttpUrlParameter = { enabled?: boolean,
+/**
+ * Colon-prefixed parameters are treated as path parameters if they match, like `/users/:id`
+ * Other entries are appended as query parameters
+ */
+name: string, value: string, id?: string, };
 
 export type HttpVersion = "auto" | "http1" | "http2";
 
-export type InheritedBoolSetting = { enabled?: boolean; value: boolean };
+export type InheritedBoolSetting = { enabled?: boolean, value: boolean, };
 
-export type InheritedHttpVersionSetting = { enabled?: boolean; value: HttpVersion };
+export type InheritedHttpVersionSetting = { enabled?: boolean, value: HttpVersion, };
 
-export type InheritedIntSetting = { enabled?: boolean; value: number };
+export type InheritedIntSetting = { enabled?: boolean, value: number, };

crates-tauri/yaak-app-client/src/http_request.rs

@@ -127,6 +127,21 @@ pub async fn send_http_request_with_context<R: Runtime>(
                     r.elapsed_headers = elapsed;
                 }
                 r.error = Some(error);
+                r.assertion_results = (!unrendered_request.assertions.is_empty()).then(|| {
+                    yaak::assertions::evaluate(
+                        &unrendered_request.assertions,
+                        yaak::assertions::Response {
+                            status: r.status,
+                            headers: &[],
+                            body: yaak::assertions::Body::Unavailable,
+                            completion: if *cancelled_rx.borrow() {
+                                yaak::assertions::Completion::Canceled
+                            } else {
+                                yaak::assertions::Completion::Error
+                            },
+                        },
+                    )
+                });
             });
             // The send failed, so whatever body exists is the partial one
             // already on disk under the response's id.

crates-tauri/yaak-app-client/src/rpc_ext.rs

@@ -834,6 +834,40 @@ async fn cmd_default_headers<R: Runtime>(
     Ok(yaak_commands::models::cmd_default_headers(ctx, req).await?)
 }
 
+async fn cmd_validate_http_assertions<R: Runtime>(
+    _ctx: ClientCtx<R>,
+    req: CmdValidateHttpAssertionsReq,
+) -> Result<HashMap<String, String>> {
+    Ok(yaak::assertions::validation_errors(&req.assertions))
+}
+
+async fn cmd_http_response_json_children<R: Runtime>(
+    ctx: ClientCtx<R>,
+    req: CmdHttpResponseJsonChildrenReq,
+) -> Result<yaak::jsonpath::JsonPathChildren> {
+    let queries = ctx.query_manager().clone();
+    tauri::async_runtime::spawn_blocking(move || {
+        let store = yaak::response_body::FileResponseBodyStore::new(&queries);
+        yaak::response_body::json_path_children(&store, &req.response_id, &req.parent)
+            .map_err(crate::error::Error::GenericError)
+    })
+    .await
+    .map_err(|e| crate::error::Error::GenericError(e.to_string()))?
+}
+
+async fn cmd_preview_http_assertions<R: Runtime>(
+    ctx: ClientCtx<R>,
+    req: CmdPreviewHttpAssertionsReq,
+) -> Result<yaak::assertions::AssertionReport> {
+    let queries = ctx.query_manager().clone();
+    tauri::async_runtime::spawn_blocking(move || {
+        yaak::response_body::preview_assertions(&queries, &req.response_id, &req.assertions)
+            .map_err(crate::error::Error::GenericError)
+    })
+    .await
+    .map_err(|e| crate::error::Error::GenericError(e.to_string()))?
+}
+
 async fn models_upsert<R: Runtime>(ctx: ClientCtx<R>, req: ModelsUpsertReq) -> Result<String> {
     Ok(yaak_commands::models::models_upsert(ctx, req).await?)
 }

crates/common/yaak-rpc-schema/Cargo.toml

@@ -6,6 +6,7 @@ authors = ["Gregory Schier"]
 publish = false
 
 [dependencies]
+yaak-jsonpath = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
 ts-rs = { workspace = true }
 yaak-git = { workspace = true }

crates/common/yaak-rpc-schema/bindings/gen_assertions.ts

@@ -0,0 +1,14 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { JsonValue } from "./serde_json/JsonValue";
+
+export type AssertionReport = { definition: HttpAssertions, results: Array<AssertionResult>, error: string | null, };
+
+export type AssertionResult = { assertionId: string, outcome: string, reason: string, actual: JsonValue | null, };
+
+/**
+ * Strings intentionally retain unknown operators/types so they fail validation, rather than
+ * disappearing during import or being treated as an empty, passing collection.
+ */
+export type HttpAssertion = { id: string, enabled: boolean, target: string, selector: string, operator: string, expected: string, expectedType: string, };
+
+export type HttpAssertions = { version: number, checks: Array<HttpAssertion>, };

crates/common/yaak-rpc-schema/bindings/gen_jsonpath.ts

@@ -0,0 +1,13 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type JsonPathChild = {
+/**
+ * A single, escaped child accessor (e.g. .user, [0], or ["unusual.key"]).
+ */
+selector: string, label: string, kind: string, };
+
+export type JsonPathChildren = { children: Array<JsonPathChild>,
+/**
+ * Discovery is sampled/bounded, never an assertion that other keys don't exist.
+ */
+truncated: boolean, };

crates/common/yaak-rpc-schema/bindings/gen_models.ts

@@ -1,522 +1,123 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { AssertionReport, HttpAssertions } from "./gen_assertions";
 
-export type AnyModel =
-  | CookieJar
-  | Environment
-  | Folder
-  | GraphQlIntrospection
-  | GrpcConnection
-  | GrpcEvent
-  | GrpcRequest
-  | HttpRequest
-  | HttpResponse
-  | HttpResponseEvent
-  | ImportSource
-  | KeyValue
-  | Plugin
-  | Settings
-  | SyncState
-  | WebsocketConnection
-  | WebsocketEvent
-  | WebsocketRequest
-  | Workspace
-  | WorkspaceMeta;
+export type AnyModel = CookieJar | Environment | Folder | GraphQlIntrospection | GrpcConnection | GrpcEvent | GrpcRequest | HttpRequest | HttpResponse | HttpResponseEvent | ImportSource | KeyValue | Plugin | Settings | SyncState | WebsocketConnection | WebsocketEvent | WebsocketRequest | Workspace | WorkspaceMeta;
 
-export type ClientCertificate = {
-  host: string;
-  port: number | null;
-  crtFile: string | null;
-  keyFile: string | null;
-  pfxFile: string | null;
-  passphrase: string | null;
-  enabled?: boolean;
-};
+export type ClientCertificate = { host: string, port: number | null, crtFile: string | null, keyFile: string | null, pfxFile: string | null, passphrase: string | null, enabled?: boolean, };
 
-export type Cookie = {
-  name: string;
-  value: string;
-  domain: CookieDomain;
-  expires: CookieExpires;
-  path: string;
-  secure: boolean;
-  httpOnly: boolean;
-  sameSite: CookieSameSite | null;
-};
+export type Cookie = { name: string, value: string, domain: CookieDomain, expires: CookieExpires, path: string, secure: boolean, httpOnly: boolean, sameSite: CookieSameSite | null, };
 
-export type CookieDomain = { HostOnly: string } | { Suffix: string } | "NotPresent" | "Empty";
+export type CookieDomain = { "HostOnly": string } | { "Suffix": string } | "NotPresent" | "Empty";
 
-export type CookieExpires = { AtUtc: string } | "SessionEnd";
+export type CookieExpires = { "AtUtc": string } | "SessionEnd";
 
-export type CookieJar = {
-  model: "cookie_jar";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  cookies: Array<Cookie>;
-  name: string;
-};
+export type CookieJar = { model: "cookie_jar", id: string, createdAt: string, updatedAt: string, workspaceId: string, cookies: Array<Cookie>, name: string, };
 
 export type CookieSameSite = "Strict" | "Lax" | "None";
 
-export type DnsOverride = {
-  hostname: string;
-  ipv4: Array<string>;
-  ipv6: Array<string>;
-  enabled?: boolean;
-};
+export type DnsOverride = { hostname: string, ipv4: Array<string>, ipv6: Array<string>, enabled?: boolean, };
 
 export type EditorKeymap = "default" | "vim" | "vscode" | "emacs";
 
-export type EncryptedKey = { encryptedKey: string };
+export type EncryptedKey = { encryptedKey: string, };
 
-export type Environment = {
-  model: "environment";
-  id: string;
-  workspaceId: string;
-  createdAt: string;
-  updatedAt: string;
-  name: string;
-  public: boolean;
-  parentModel: string;
-  parentId: string | null;
-  /**
-   * Variables defined in this environment scope.
-   * Child environments override parent variables by name.
-   */
-  variables: Array<EnvironmentVariable>;
-  color: string | null;
-  sortPriority: number;
-};
+export type Environment = { model: "environment", id: string, workspaceId: string, createdAt: string, updatedAt: string, name: string, public: boolean, parentModel: string, parentId: string | null,
+/**
+ * Variables defined in this environment scope.
+ * Child environments override parent variables by name.
+ */
+variables: Array<EnvironmentVariable>, color: string | null, sortPriority: number, };
 
-export type EnvironmentVariable = { enabled?: boolean; name: string; value: string; id?: string };
+export type EnvironmentVariable = { enabled?: boolean, name: string, value: string, id?: string, };
 
-export type Folder = {
-  model: "folder";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  name: string;
-  sortPriority: number;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingFollowRedirects: InheritedBoolSetting;
-  settingRequestTimeout: InheritedIntSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-  settingHttpVersion: InheritedHttpVersionSetting;
-};
+export type Folder = { model: "folder", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, name: string, sortPriority: number, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingFollowRedirects: InheritedBoolSetting, settingRequestTimeout: InheritedIntSetting, settingRequestMessageSize: InheritedIntSetting, settingHttpVersion: InheritedHttpVersionSetting, };
 
-export type GraphQlIntrospection = {
-  model: "graphql_introspection";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  content: string | null;
-};
+export type GraphQlIntrospection = { model: "graphql_introspection", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, content: string | null, };
 
-export type GrpcConnection = {
-  model: "grpc_connection";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  elapsed: number;
-  error: string | null;
-  method: string;
-  service: string;
-  status: number;
-  state: GrpcConnectionState;
-  trailers: { [key in string]?: string };
-  url: string;
-};
+export type GrpcConnection = { model: "grpc_connection", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, elapsed: number, error: string | null, method: string, service: string, status: number, state: GrpcConnectionState, trailers: { [key in string]?: string }, url: string, };
 
 export type GrpcConnectionState = "initialized" | "connected" | "closed";
 
-export type GrpcEvent = {
-  model: "grpc_event";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  connectionId: string;
-  content: string;
-  error: string | null;
-  eventType: GrpcEventType;
-  metadata: { [key in string]?: string };
-  status: number | null;
-};
+export type GrpcEvent = { model: "grpc_event", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, connectionId: string, content: string, error: string | null, eventType: GrpcEventType, metadata: { [key in string]?: string }, status: number | null, };
 
-export type GrpcEventType =
-  | "info"
-  | "error"
-  | "client_message"
-  | "server_message"
-  | "connection_start"
-  | "connection_end";
+export type GrpcEventType = "info" | "error" | "client_message" | "server_message" | "connection_start" | "connection_end";
 
-export type GrpcRequest = {
-  model: "grpc_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authenticationType: string | null;
-  authentication: Record<string, any>;
-  description: string;
-  message: string;
-  metadata: Array<HttpRequestHeader>;
-  method: string | null;
-  name: string;
-  service: string | null;
-  sortPriority: number;
-  /**
-   * Server URL (http for plaintext or https for secure)
-   */
-  url: string;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-};
+export type GrpcRequest = { model: "grpc_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authenticationType: string | null, authentication: Record<string, any>, description: string, message: string, metadata: Array<HttpRequestHeader>, method: string | null, name: string, service: string | null, sortPriority: number,
+/**
+ * Server URL (http for plaintext or https for secure)
+ */
+url: string, settingValidateCertificates: InheritedBoolSetting, settingRequestMessageSize: InheritedIntSetting, };
 
-export type HttpRequest = {
-  model: "http_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  body: Record<string, any>;
-  bodyType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  method: string;
-  name: string;
-  sortPriority: number;
-  url: string;
-  /**
-   * URL parameters used for both path placeholders (`:id`) and query string entries.
-   */
-  urlParameters: Array<HttpUrlParameter>;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingFollowRedirects: InheritedBoolSetting;
-  settingRequestTimeout: InheritedIntSetting;
-  settingHttpVersion: InheritedHttpVersionSetting;
-};
+export type HttpRequest = { model: "http_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, body: Record<string, any>, bodyType: string | null, description: string, headers: Array<HttpRequestHeader>, assertions: HttpAssertions, method: string, name: string, sortPriority: number, url: string,
+/**
+ * URL parameters used for both path placeholders (`:id`) and query string entries.
+ */
+urlParameters: Array<HttpUrlParameter>, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingFollowRedirects: InheritedBoolSetting, settingRequestTimeout: InheritedIntSetting, settingHttpVersion: InheritedHttpVersionSetting, };
 
-export type HttpRequestHeader = { enabled?: boolean; name: string; value: string; id?: string };
+export type HttpRequestHeader = { enabled?: boolean, name: string, value: string, id?: string, };
 
-export type HttpResponse = {
-  model: "http_response";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  contentLength: number | null;
-  contentLengthCompressed: number | null;
-  elapsed: number;
-  elapsedHeaders: number;
-  elapsedDns: number;
-  error: string | null;
-  headers: Array<HttpResponseHeader>;
-  remoteAddr: string | null;
-  requestContentLength: number | null;
-  requestHeaders: Array<HttpResponseHeader>;
-  status: number;
-  statusReason: string | null;
-  state: HttpResponseState;
-  url: string;
-  version: string | null;
-};
+export type HttpResponse = { model: "http_response", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, contentLength: number | null, contentLengthCompressed: number | null, elapsed: number, elapsedHeaders: number, elapsedDns: number, error: string | null, assertionResults: AssertionReport | null, headers: Array<HttpResponseHeader>, remoteAddr: string | null, requestContentLength: number | null, requestHeaders: Array<HttpResponseHeader>, status: number, statusReason: string | null, state: HttpResponseState, url: string, version: string | null, };
 
-export type HttpResponseEvent = {
-  model: "http_response_event";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  responseId: string;
-  event: HttpResponseEventData;
-};
+export type HttpResponseEvent = { model: "http_response_event", id: string, createdAt: string, updatedAt: string, workspaceId: string, responseId: string, event: HttpResponseEventData, };
 
 /**
  * Serializable representation of HTTP response events for DB storage.
  * This mirrors `yaak_http::sender::HttpResponseEvent` but with serde support.
  * The `From` impl is in yaak-http to avoid circular dependencies.
  */
-export type HttpResponseEventData =
-  | {
-      type: "setting";
-      name: string;
-      value: string;
-      source_model?: string;
-      source_id?: string;
-      source_name?: string;
-    }
-  | { type: "info"; message: string }
-  | {
-      type: "redirect";
-      url: string;
-      status: number;
-      behavior: string;
-      dropped_body: boolean;
-      dropped_headers: Array<string>;
-    }
-  | {
-      type: "send_url";
-      method: string;
-      scheme: string;
-      username: string;
-      password: string;
-      host: string;
-      port: number;
-      path: string;
-      query: string;
-      fragment: string;
-    }
-  | { type: "receive_url"; version: string; status: string }
-  | { type: "header_up"; name: string; value: string }
-  | { type: "header_down"; name: string; value: string }
-  | { type: "chunk_sent"; bytes: number }
-  | { type: "chunk_received"; bytes: number }
-  | {
-      type: "dns_resolved";
-      hostname: string;
-      addresses: Array<string>;
-      duration: bigint;
-      overridden: boolean;
-    };
+export type HttpResponseEventData = { "type": "setting", name: string, value: string, source_model?: string, source_id?: string, source_name?: string, } | { "type": "info", message: string, } | { "type": "redirect", url: string, status: number, behavior: string, dropped_body: boolean, dropped_headers: Array<string>, } | { "type": "send_url", method: string, scheme: string, username: string, password: string, host: string, port: number, path: string, query: string, fragment: string, } | { "type": "receive_url", version: string, status: string, } | { "type": "header_up", name: string, value: string, } | { "type": "header_down", name: string, value: string, } | { "type": "chunk_sent", bytes: number, } | { "type": "chunk_received", bytes: number, } | { "type": "dns_resolved", hostname: string, addresses: Array<string>, duration: bigint, overridden: boolean, };
 
-export type HttpResponseHeader = { name: string; value: string };
+export type HttpResponseHeader = { name: string, value: string, };
 
 export type HttpResponseState = "initialized" | "connected" | "closed";
 
-export type HttpUrlParameter = {
-  enabled?: boolean;
-  /**
-   * Colon-prefixed parameters are treated as path parameters if they match, like `/users/:id`
-   * Other entries are appended as query parameters
-   */
-  name: string;
-  value: string;
-  id?: string;
-};
+export type HttpUrlParameter = { enabled?: boolean,
+/**
+ * Colon-prefixed parameters are treated as path parameters if they match, like `/users/:id`
+ * Other entries are appended as query parameters
+ */
+name: string, value: string, id?: string, };
 
 export type HttpVersion = "auto" | "http1" | "http2";
 
-export type ImportSource = {
-  model: "import_source";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  importer: string;
-  origin: string;
-  originLabel: string;
-  lastImportedAt: string;
-};
+export type ImportSource = { model: "import_source", id: string, createdAt: string, updatedAt: string, workspaceId: string, importer: string, origin: string, originLabel: string, lastImportedAt: string, };
 
-export type InheritedBoolSetting = { enabled?: boolean; value: boolean };
+export type InheritedBoolSetting = { enabled?: boolean, value: boolean, };
 
-export type InheritedHttpVersionSetting = { enabled?: boolean; value: HttpVersion };
+export type InheritedHttpVersionSetting = { enabled?: boolean, value: HttpVersion, };
 
-export type InheritedIntSetting = { enabled?: boolean; value: number };
+export type InheritedIntSetting = { enabled?: boolean, value: number, };
 
-export type KeyValue = {
-  model: "key_value";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  key: string;
-  namespace: string;
-  value: string;
-};
+export type KeyValue = { model: "key_value", id: string, createdAt: string, updatedAt: string, key: string, namespace: string, value: string, };
 
-export type Plugin = {
-  model: "plugin";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  checkedAt: string | null;
-  directory: string;
-  enabled: boolean;
-  url: string | null;
-  source: PluginSource;
-};
+export type Plugin = { model: "plugin", id: string, createdAt: string, updatedAt: string, checkedAt: string | null, directory: string, enabled: boolean, url: string | null, source: PluginSource, };
 
 export type PluginSource = "bundled" | "filesystem" | "registry";
 
-export type ProxySetting =
-  | {
-      type: "enabled";
-      http: string;
-      https: string;
-      auth: ProxySettingAuth | null;
-      bypass: string;
-      disabled: boolean;
-    }
-  | { type: "disabled" };
+export type ProxySetting = { "type": "enabled", http: string, https: string, auth: ProxySettingAuth | null, bypass: string, disabled: boolean, } | { "type": "disabled" };
 
-export type ProxySettingAuth = { user: string; password: string };
+export type ProxySettingAuth = { user: string, password: string, };
 
-export type Settings = {
-  model: "settings";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  appearance: string;
-  clientCertificates: Array<ClientCertificate>;
-  coloredMethods: boolean;
-  editorFont: string | null;
-  editorFontSize: number;
-  editorKeymap: EditorKeymap;
-  editorSoftWrap: boolean;
-  hideWindowControls: boolean;
-  useNativeTitlebar: boolean;
-  interfaceFont: string | null;
-  interfaceFontSize: number;
-  interfaceScale: number;
-  openWorkspaceNewWindow: boolean | null;
-  proxy: ProxySetting | null;
-  themeDark: string;
-  themeLight: string;
-  updateChannel: string;
-  hideLicenseBadge: boolean;
-  promptFeedback: boolean;
-  autoupdate: boolean;
-  autoDownloadUpdates: boolean;
-  checkNotifications: boolean;
-  hotkeys: { [key in string]?: Array<string> };
-};
+export type Settings = { model: "settings", id: string, createdAt: string, updatedAt: string, appearance: string, clientCertificates: Array<ClientCertificate>, coloredMethods: boolean, editorFont: string | null, editorFontSize: number, editorKeymap: EditorKeymap, editorSoftWrap: boolean, hideWindowControls: boolean, useNativeTitlebar: boolean, interfaceFont: string | null, interfaceFontSize: number, interfaceScale: number, openWorkspaceNewWindow: boolean | null, proxy: ProxySetting | null, themeDark: string, themeLight: string, updateChannel: string, hideLicenseBadge: boolean, promptFeedback: boolean, autoupdate: boolean, autoDownloadUpdates: boolean, checkNotifications: boolean, hotkeys: { [key in string]?: Array<string> }, };
 
-export type SyncModel =
-  | ({ type: "workspace" } & Workspace)
-  | ({ type: "environment" } & Environment)
-  | ({ type: "folder" } & Folder)
-  | ({ type: "http_request" } & HttpRequest)
-  | ({ type: "grpc_request" } & GrpcRequest)
-  | ({ type: "websocket_request" } & WebsocketRequest);
+export type SyncModel = { "type": "workspace" } & Workspace | { "type": "environment" } & Environment | { "type": "folder" } & Folder | { "type": "http_request" } & HttpRequest | { "type": "grpc_request" } & GrpcRequest | { "type": "websocket_request" } & WebsocketRequest;
 
-export type SyncState = {
-  model: "sync_state";
-  id: string;
-  workspaceId: string;
-  createdAt: string;
-  updatedAt: string;
-  flushedAt: string;
-  modelId: string;
-  checksum: string;
-  relPath: string;
-  syncDir: string;
-};
+export type SyncState = { model: "sync_state", id: string, workspaceId: string, createdAt: string, updatedAt: string, flushedAt: string, modelId: string, checksum: string, relPath: string, syncDir: string, };
 
-export type WebsocketConnection = {
-  model: "websocket_connection";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  elapsed: number;
-  error: string | null;
-  headers: Array<HttpResponseHeader>;
-  state: WebsocketConnectionState;
-  status: number;
-  url: string;
-};
+export type WebsocketConnection = { model: "websocket_connection", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, elapsed: number, error: string | null, headers: Array<HttpResponseHeader>, state: WebsocketConnectionState, status: number, url: string, };
 
 export type WebsocketConnectionState = "initialized" | "connected" | "closing" | "closed";
 
-export type WebsocketEvent = {
-  model: "websocket_event";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  connectionId: string;
-  isServer: boolean;
-  message: Array<number>;
-  messageType: WebsocketEventType;
-};
+export type WebsocketEvent = { model: "websocket_event", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, connectionId: string, isServer: boolean, message: Array<number>, messageType: WebsocketEventType, };
 
-export type WebsocketEventType =
-  | "binary"
-  | "close"
-  | "error"
-  | "frame"
-  | "open"
-  | "ping"
-  | "pong"
-  | "text";
+export type WebsocketEventType = "binary" | "close" | "error" | "frame" | "open" | "ping" | "pong" | "text";
 
-export type WebsocketRequest = {
-  model: "websocket_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  message: string;
-  name: string;
-  sortPriority: number;
-  url: string;
-  /**
-   * URL parameters used for both path placeholders (`:id`) and query string entries.
-   */
-  urlParameters: Array<HttpUrlParameter>;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-};
+export type WebsocketRequest = { model: "websocket_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, message: string, name: string, sortPriority: number, url: string,
+/**
+ * URL parameters used for both path placeholders (`:id`) and query string entries.
+ */
+urlParameters: Array<HttpUrlParameter>, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingRequestMessageSize: InheritedIntSetting, };
 
-export type Workspace = {
-  model: "workspace";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  name: string;
-  encryptionKeyChallenge: string | null;
-  settingValidateCertificates: boolean;
-  settingFollowRedirects: boolean;
-  settingRequestTimeout: number;
-  settingRequestMessageSize: number;
-  settingDnsOverrides: Array<DnsOverride>;
-  settingSendCookies: boolean;
-  settingStoreCookies: boolean;
-  settingHttpVersion: HttpVersion;
-};
+export type Workspace = { model: "workspace", id: string, createdAt: string, updatedAt: string, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, name: string, encryptionKeyChallenge: string | null, settingValidateCertificates: boolean, settingFollowRedirects: boolean, settingRequestTimeout: number, settingRequestMessageSize: number, settingDnsOverrides: Array<DnsOverride>, settingSendCookies: boolean, settingStoreCookies: boolean, settingHttpVersion: HttpVersion, };
 
-export type WorkspaceMeta = {
-  model: "workspace_meta";
-  id: string;
-  workspaceId: string;
-  createdAt: string;
-  updatedAt: string;
-  encryptionKey: EncryptedKey | null;
-  settingSyncDir: string | null;
-};
+export type WorkspaceMeta = { model: "workspace_meta", id: string, workspaceId: string, createdAt: string, updatedAt: string, encryptionKey: EncryptedKey | null, settingSyncDir: string | null, };

crates/common/yaak-rpc-schema/bindings/gen_rpc.ts

@@ -1,8 +1,10 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 import type { PluginNameVersion, PluginSearchResponse, PluginUpdatesResponse } from "./gen_api";
+import type { AssertionReport, HttpAssertions } from "./gen_assertions";
 import type { CallFolderActionRequest, CallGrpcRequestActionRequest, CallHttpRequestActionRequest, CallWebsocketRequestActionRequest, CallWorkspaceActionRequest, FilterResponse, GetFolderActionsResponse, GetGrpcRequestActionsResponse, GetHttpAuthenticationConfigResponse, GetHttpAuthenticationSummaryResponse, GetHttpRequestActionsResponse, GetTemplateFunctionConfigResponse, GetTemplateFunctionSummaryResponse, GetThemesResponse, GetWebsocketRequestActionsResponse, GetWorkspaceActionsResponse, JsonPrimitive, RenderPurpose } from "./gen_events";
 import type { BranchDeleteResult, CloneResult, GitBranchInfo, GitCommit, GitFileDiff, GitRemote, GitStatusSummary, GitWorktreeStatus, PullResult, PushResult } from "./gen_git";
 import type { ServiceDefinition } from "./gen_grpc";
+import type { JsonPathChildren } from "./gen_jsonpath";
 import type { AnyModel, GraphQlIntrospection, GrpcEvent, HttpRequest, HttpRequestHeader, HttpResponse, HttpResponseEvent, ImportSource, Plugin, Settings, WebsocketConnection, WebsocketEvent, WorkspaceMeta } from "./gen_models";
 import type { PluginMetadata } from "./gen_search";
 import type { SyncOp } from "./gen_sync";
@@ -145,6 +147,8 @@ export type CmdHttpResponseBodyPathReq = { responseId: string, };
 
 export type CmdHttpResponseBodyReq = { responseId: string, filter: string | null, };
 
+export type CmdHttpResponseJsonChildrenReq = { responseId: string, parent: string, };
+
 export type CmdImportDataReq = { filePath: string, destination: ImportDestination, };
 
 export type CmdImportSourcesForOriginReq = { filePath?: string, url?: string, };
@@ -175,6 +179,8 @@ export type CmdPluginsUpdateAllReq = Record<string, never>;
 
 export type CmdPluginsUpdatesReq = Record<string, never>;
 
+export type CmdPreviewHttpAssertionsReq = { responseId: string, assertions: HttpAssertions, };
+
 export type CmdReloadPluginsReq = Record<string, never>;
 
 export type CmdRenderTemplateReq = { template: string, workspaceId: string, environmentId: string | null, purpose: RenderPurpose | null, ignoreError: boolean | null, };
@@ -211,6 +217,8 @@ export type CmdTemplateFunctionSummariesReq = Record<string, never>;
 
 export type CmdTemplateTokensToStringReq = { tokens: Tokens, };
 
+export type CmdValidateHttpAssertionsReq = { assertions: HttpAssertions, };
+
 export type CmdWebsocketRequestActionsReq = Record<string, never>;
 
 export type CmdWorkspaceActionsReq = Record<string, never>;
@@ -256,6 +264,6 @@ export type ModelsWebsocketEventsReq = { connectionId: string, };
 
 export type ModelsWorkspaceModelsReq = { workspaceId: string | null, };
 
-export type RpcSchema = { cmd_metadata: [CmdMetadataReq, AppMetaData], cmd_template_tokens_to_string: [CmdTemplateTokensToStringReq, string], cmd_render_template: [CmdRenderTemplateReq, string], cmd_send_feedback: [CmdSendFeedbackReq, null], cmd_dismiss_notification: [CmdDismissNotificationReq, null], cmd_grpc_reflect: [CmdGrpcReflectReq, Array<ServiceDefinition>], cmd_grpc_go: [CmdGrpcGoReq, string], cmd_restart: [CmdRestartReq, null], cmd_send_ephemeral_request: [CmdSendEphemeralRequestReq, EphemeralHttpResponse], cmd_format_json: [CmdFormatJsonReq, string], cmd_format_graphql: [CmdFormatGraphqlReq, string], cmd_http_response_body: [CmdHttpResponseBodyReq, FilterResponse], cmd_http_response_body_path: [CmdHttpResponseBodyPathReq, string | null], cmd_http_request_body: [CmdHttpRequestBodyReq, Array<number> | null], cmd_get_sse_events: [CmdGetSseEventsReq, Array<ServerSentEvent>], cmd_get_http_response_events: [CmdGetHttpResponseEventsReq, Array<HttpResponseEvent>], cmd_import_data: [CmdImportDataReq, ImportPlan], cmd_import_url: [CmdImportUrlReq, ImportPlan], cmd_commit_import: [CmdCommitImportReq, BatchUpsertResult], cmd_list_import_sources: [CmdListImportSourcesReq, Array<ImportSource>], cmd_import_sources_for_origin: [CmdImportSourcesForOriginReq, Array<ImportSource>], cmd_http_request_actions: [CmdHttpRequestActionsReq, Array<GetHttpRequestActionsResponse>], cmd_websocket_request_actions: [CmdWebsocketRequestActionsReq, Array<GetWebsocketRequestActionsResponse>], cmd_call_websocket_request_action: [CmdCallWebsocketRequestActionReq, null], cmd_workspace_actions: [CmdWorkspaceActionsReq, Array<GetWorkspaceActionsResponse>], cmd_call_workspace_action: [CmdCallWorkspaceActionReq, null], cmd_folder_actions: [CmdFolderActionsReq, Array<GetFolderActionsResponse>], cmd_call_folder_action: [CmdCallFolderActionReq, null], cmd_grpc_request_actions: [CmdGrpcRequestActionsReq, Array<GetGrpcRequestActionsResponse>], cmd_template_function_summaries: [CmdTemplateFunctionSummariesReq, Array<GetTemplateFunctionSummaryResponse>], cmd_template_function_config: [CmdTemplateFunctionConfigReq, GetTemplateFunctionConfigResponse], cmd_get_http_authentication_summaries: [CmdGetHttpAuthenticationSummariesReq, Array<GetHttpAuthenticationSummaryResponse>], cmd_get_http_authentication_config: [CmdGetHttpAuthenticationConfigReq, GetHttpAuthenticationConfigResponse], cmd_call_http_request_action: [CmdCallHttpRequestActionReq, null], cmd_call_grpc_request_action: [CmdCallGrpcRequestActionReq, null], cmd_call_http_authentication_action: [CmdCallHttpAuthenticationActionReq, null], cmd_curl_to_request: [CmdCurlToRequestReq, HttpRequest], cmd_export_data: [CmdExportDataReq, string], cmd_create_example_workspace: [CmdCreateExampleWorkspaceReq, BatchUpsertResult], cmd_save_base64_to_binary: [CmdSaveBase64ToBinaryReq, null], cmd_save_response: [CmdSaveResponseReq, null], cmd_send_http_request: [CmdSendHttpRequestReq, HttpResponse], cmd_reload_plugins: [CmdReloadPluginsReq, Array<[string, string]>], cmd_plugin_info: [CmdPluginInfoReq, PluginMetadata], cmd_delete_all_grpc_connections: [CmdDeleteAllGrpcConnectionsReq, null], cmd_delete_send_history: [CmdDeleteSendHistoryReq, null], cmd_delete_all_http_responses: [CmdDeleteAllHttpResponsesReq, null], cmd_get_workspace_meta: [CmdGetWorkspaceMetaReq, WorkspaceMeta], cmd_new_child_window: [CmdNewChildWindowReq, null], cmd_new_main_window: [CmdNewMainWindowReq, null], cmd_check_for_updates: [CmdCheckForUpdatesReq, boolean], cmd_decrypt_template: [CmdDecryptTemplateReq, string], cmd_secure_template: [CmdSecureTemplateReq, string], cmd_get_themes: [CmdGetThemesReq, Array<GetThemesResponse>], cmd_enable_encryption: [CmdEnableEncryptionReq, null], cmd_reveal_workspace_key: [CmdRevealWorkspaceKeyReq, string], cmd_set_workspace_key: [CmdSetWorkspaceKeyReq, null], cmd_disable_encryption: [CmdDisableEncryptionReq, null], cmd_default_headers: [CmdDefaultHeadersReq, Array<HttpRequestHeader>], models_upsert: [ModelsUpsertReq, string], models_delete: [ModelsDeleteReq, string], models_duplicate: [ModelsDuplicateReq, string], models_websocket_events: [ModelsWebsocketEventsReq, Array<WebsocketEvent>], models_grpc_events: [ModelsGrpcEventsReq, Array<GrpcEvent>], models_get_settings: [ModelsGetSettingsReq, Settings], models_get_graphql_introspection: [ModelsGetGraphqlIntrospectionReq, GraphQlIntrospection | null], models_upsert_graphql_introspection: [ModelsUpsertGraphqlIntrospectionReq, GraphQlIntrospection], models_workspace_models: [ModelsWorkspaceModelsReq, string], cmd_git_checkout: [CmdGitCheckoutReq, string], cmd_git_branch: [CmdGitBranchReq, null], cmd_git_delete_branch: [CmdGitDeleteBranchReq, BranchDeleteResult], cmd_git_delete_remote_branch: [CmdGitDeleteRemoteBranchReq, null], cmd_git_merge_branch: [CmdGitMergeBranchReq, null], cmd_git_rename_branch: [CmdGitRenameBranchReq, null], cmd_git_status: [CmdGitStatusReq, GitStatusSummary], cmd_git_branch_info: [CmdGitBranchInfoReq, GitBranchInfo], cmd_git_workLine truncated
+export type RpcSchema = { cmd_metadata: [CmdMetadataReq, AppMetaData], cmd_validate_http_assertions: [CmdValidateHttpAssertionsReq, { [key in string]?: string }], cmd_preview_http_assertions: [CmdPreviewHttpAssertionsReq, AssertionReport], cmd_http_response_json_children: [CmdHttpResponseJsonChildrenReq, JsonPathChildren], cmd_template_tokens_to_string: [CmdTemplateTokensToStringReq, string], cmd_render_template: [CmdRenderTemplateReq, string], cmd_send_feedback: [CmdSendFeedbackReq, null], cmd_dismiss_notification: [CmdDismissNotificationReq, null], cmd_grpc_reflect: [CmdGrpcReflectReq, Array<ServiceDefinition>], cmd_grpc_go: [CmdGrpcGoReq, string], cmd_restart: [CmdRestartReq, null], cmd_send_ephemeral_request: [CmdSendEphemeralRequestReq, EphemeralHttpResponse], cmd_format_json: [CmdFormatJsonReq, string], cmd_format_graphql: [CmdFormatGraphqlReq, string], cmd_http_response_body: [CmdHttpResponseBodyReq, FilterResponse], cmd_http_response_body_path: [CmdHttpResponseBodyPathReq, string | null], cmd_http_request_body: [CmdHttpRequestBodyReq, Array<number> | null], cmd_get_sse_events: [CmdGetSseEventsReq, Array<ServerSentEvent>], cmd_get_http_response_events: [CmdGetHttpResponseEventsReq, Array<HttpResponseEvent>], cmd_import_data: [CmdImportDataReq, ImportPlan], cmd_import_url: [CmdImportUrlReq, ImportPlan], cmd_commit_import: [CmdCommitImportReq, BatchUpsertResult], cmd_list_import_sources: [CmdListImportSourcesReq, Array<ImportSource>], cmd_import_sources_for_origin: [CmdImportSourcesForOriginReq, Array<ImportSource>], cmd_http_request_actions: [CmdHttpRequestActionsReq, Array<GetHttpRequestActionsResponse>], cmd_websocket_request_actions: [CmdWebsocketRequestActionsReq, Array<GetWebsocketRequestActionsResponse>], cmd_call_websocket_request_action: [CmdCallWebsocketRequestActionReq, null], cmd_workspace_actions: [CmdWorkspaceActionsReq, Array<GetWorkspaceActionsResponse>], cmd_call_workspace_action: [CmdCallWorkspaceActionReq, null], cmd_folder_actions: [CmdFolderActionsReq, Array<GetFolderActionsResponse>], cmd_call_folder_action: [CmdCallFolderActionReq, null], cmd_grpc_request_actions: [CmdGrpcRequestActionsReq, Array<GetGrpcRequestActionsResponse>], cmd_template_function_summaries: [CmdTemplateFunctionSummariesReq, Array<GetTemplateFunctionSummaryResponse>], cmd_template_function_config: [CmdTemplateFunctionConfigReq, GetTemplateFunctionConfigResponse], cmd_get_http_authentication_summaries: [CmdGetHttpAuthenticationSummariesReq, Array<GetHttpAuthenticationSummaryResponse>], cmd_get_http_authentication_config: [CmdGetHttpAuthenticationConfigReq, GetHttpAuthenticationConfigResponse], cmd_call_http_request_action: [CmdCallHttpRequestActionReq, null], cmd_call_grpc_request_action: [CmdCallGrpcRequestActionReq, null], cmd_call_http_authentication_action: [CmdCallHttpAuthenticationActionReq, null], cmd_curl_to_request: [CmdCurlToRequestReq, HttpRequest], cmd_export_data: [CmdExportDataReq, string], cmd_create_example_workspace: [CmdCreateExampleWorkspaceReq, BatchUpsertResult], cmd_save_base64_to_binary: [CmdSaveBase64ToBinaryReq, null], cmd_save_response: [CmdSaveResponseReq, null], cmd_send_http_request: [CmdSendHttpRequestReq, HttpResponse], cmd_reload_plugins: [CmdReloadPluginsReq, Array<[string, string]>], cmd_plugin_info: [CmdPluginInfoReq, PluginMetadata], cmd_delete_all_grpc_connections: [CmdDeleteAllGrpcConnectionsReq, null], cmd_delete_send_history: [CmdDeleteSendHistoryReq, null], cmd_delete_all_http_responses: [CmdDeleteAllHttpResponsesReq, null], cmd_get_workspace_meta: [CmdGetWorkspaceMetaReq, WorkspaceMeta], cmd_new_child_window: [CmdNewChildWindowReq, null], cmd_new_main_window: [CmdNewMainWindowReq, null], cmd_check_for_updates: [CmdCheckForUpdatesReq, boolean], cmd_decrypt_template: [CmdDecryptTemplateReq, string], cmd_secure_template: [CmdSecureTemplateReq, string], cmd_get_themes: [CmdGetThemesReq, Array<GetThemesResponse>], cmd_enable_encryption: [CmdEnableEncryptionReq, null], cmd_reveal_workspace_key: [CmdRevealWorkspaceKeyReq, string], cmd_set_workspace_key: [CmdSetWorkspaceKeyReq, null], cmd_disable_encryption: [CmdDisableEncryptionReq, null], cmd_default_headers: [CmdDefaultHeadersReq, Array<HttpRequestHeader>], models_upsert: [ModelsUpsertReq, string], models_delete: [ModelsDeleteReq, string], models_duplicate: [ModelsDuplicateReq, string], models_websocket_events: [ModelsWebsocketEventsReq, Array<WebsocketEvent>], models_grpc_events: [ModelsGrpcEventsReq, Array<GrpcEvent>], models_get_settings: [ModelsGetSettingsReq, Settings], models_get_graphql_introspection: [ModelsGetGraphqlIntrospectionReq, GraphQlIntrospection | null], models_upsert_graphql_introspection: [ModelsUpsertGraphqlIntrospectionReq, GraphQlIntrospection], models_workspace_models: [ModelsWorkspaceModelsReq, string], cmd_git_checkout: [CmdGitCheckoutReq, string], cmd_git_branch: [CmdGitBranchReq, null], cmd_git_delete_branch: [CmdGitDeleteBranchReq, BranchDeleteResult], cmd_git_delete_remote_branch: [CmdGitDeleteLine truncated
 
 export type WatchResult = { unlistenEvent: string, };

crates/common/yaak-rpc-schema/bindings/serde_json/JsonValue.ts

@@ -0,0 +1,3 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type JsonValue = number | string | boolean | Array<JsonValue> | { [key in string]?: JsonValue } | null;

crates/common/yaak-rpc-schema/src/lib.rs

@@ -41,6 +41,29 @@ use yaak_templates::Tokens;
 
 // -- Response types that belong to the schema rather than to an engine crate --
 
+#[derive(Debug, Deserialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = "gen_rpc.ts")]
+pub struct CmdValidateHttpAssertionsReq {
+    pub assertions: yaak_models::models::HttpAssertions,
+}
+
+#[derive(Debug, Deserialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = "gen_rpc.ts")]
+pub struct CmdPreviewHttpAssertionsReq {
+    pub response_id: String,
+    pub assertions: yaak_models::models::HttpAssertions,
+}
+
+#[derive(Debug, Deserialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = "gen_rpc.ts")]
+pub struct CmdHttpResponseJsonChildrenReq {
+    pub response_id: String,
+    pub parent: String,
+}
+
 /// What the frontend learns about the host it is talking to.
 #[derive(Debug, Default, Serialize, TS)]
 #[serde(default, rename_all = "camelCase")]
@@ -923,6 +946,9 @@ macro_rules! with_commands {
     ($callback:ident) => {
         $callback! {
     cmd_metadata(CmdMetadataReq) -> AppMetaData,
+    cmd_validate_http_assertions(CmdValidateHttpAssertionsReq) -> HashMap<String, String>,
+    cmd_preview_http_assertions(CmdPreviewHttpAssertionsReq) -> yaak_models::models::AssertionReport,
+    cmd_http_response_json_children(CmdHttpResponseJsonChildrenReq) -> yaak_jsonpath::JsonPathChildren,
     cmd_template_tokens_to_string(CmdTemplateTokensToStringReq) -> String,
     cmd_render_template(CmdRenderTemplateReq) -> String,
     cmd_send_feedback(CmdSendFeedbackReq) -> (),

crates/yaak-assertions/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "yaak-assertions"
+version = "0.1.0"
+edition = "2024"
+publish = false
+
+[dependencies]
+yaak-jsonpath = { workspace = true }
+serde = { workspace = true, features = ["derive"] }
+serde_json = { workspace = true }
+schemars = { workspace = true }
+ts-rs = { workspace = true, features = ["serde-json-impl"] }

crates/yaak-assertions/bindings/gen_assertions.ts

@@ -0,0 +1,14 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { JsonValue } from "./serde_json/JsonValue";
+
+export type AssertionReport = { definition: HttpAssertions, results: Array<AssertionResult>, error: string | null, };
+
+export type AssertionResult = { assertionId: string, outcome: string, reason: string, actual: JsonValue | null, };
+
+/**
+ * Strings intentionally retain unknown operators/types so they fail validation, rather than
+ * disappearing during import or being treated as an empty, passing collection.
+ */
+export type HttpAssertion = { id: string, enabled: boolean, target: string, selector: string, operator: string, expected: string, expectedType: string, };
+
+export type HttpAssertions = { version: number, checks: Array<HttpAssertion>, };

crates/yaak-assertions/bindings/serde_json/JsonValue.ts

@@ -0,0 +1,3 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type JsonValue = number | string | boolean | Array<JsonValue> | { [key in string]?: JsonValue } | null;

crates/yaak-assertions/src/lib.rs

@@ -0,0 +1,540 @@
+//! Pure response assertions, shared by the desktop, CLI, and browser worker.
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+use std::cmp::Ordering;
+use std::collections::HashSet;
+use ts_rs::TS;
+pub use yaak_jsonpath::MAX_BODY_BYTES;
+use yaak_jsonpath::{JsonPath, normalized_path};
+
+pub const MAX_CHECKS: usize = 100;
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, JsonSchema, TS)]
+#[serde(default, rename_all = "camelCase")]
+#[ts(export, export_to = "gen_assertions.ts")]
+pub struct HttpAssertions {
+    pub version: u32,
+    pub checks: Vec<HttpAssertion>,
+}
+
+impl Default for HttpAssertions {
+    fn default() -> Self {
+        Self { version: 1, checks: Vec::new() }
+    }
+}
+
+impl HttpAssertions {
+    pub fn is_empty(&self) -> bool {
+        self.version == 1 && self.checks.is_empty()
+    }
+    pub fn needs_body(&self) -> bool {
+        self.checks.iter().any(|c| c.enabled && c.target == "json")
+    }
+}
+
+/// Strings intentionally retain unknown operators/types so they fail validation, rather than
+/// disappearing during import or being treated as an empty, passing collection.
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, JsonSchema, TS)]
+#[serde(default, rename_all = "camelCase")]
+#[ts(export, export_to = "gen_assertions.ts")]
+pub struct HttpAssertion {
+    pub id: String,
+    pub enabled: bool,
+    pub target: String,
+    pub selector: String,
+    pub operator: String,
+    pub expected: String,
+    pub expected_type: String,
+}
+
+impl Default for HttpAssertion {
+    fn default() -> Self {
+        Self {
+            id: String::new(),
+            enabled: true,
+            target: "json".into(),
+            selector: String::new(),
+            operator: "equals".into(),
+            expected: String::new(),
+            expected_type: "text".into(),
+        }
+    }
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = "gen_assertions.ts")]
+pub struct AssertionResult {
+    pub assertion_id: String,
+    pub outcome: String,
+    pub reason: String,
+    pub actual: Option<Value>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = "gen_assertions.ts")]
+pub struct AssertionReport {
+    pub definition: HttpAssertions,
+    pub results: Vec<AssertionResult>,
+    pub error: Option<String>,
+}
+
+#[derive(Clone, Copy)]
+pub enum Completion {
+    Complete,
+    Error,
+    Canceled,
+}
+pub enum Body<'a> {
+    Bytes(&'a [u8]),
+    TooLarge,
+    Unavailable,
+}
+
+pub struct Response<'a> {
+    pub status: i32,
+    pub headers: &'a [(String, String)],
+    pub body: Body<'a>,
+    pub completion: Completion,
+}
+
+fn expected_value(check: &HttpAssertion) -> Result<Value, &'static str> {
+    match check.expected_type.as_str() {
+        "text" => Ok(Value::String(check.expected.clone())),
+        "number" => match serde_json::from_str::<Value>(check.expected.trim()) {
+            Ok(v) if v.is_number() => Ok(v),
+            _ => Err("Expected value must be a number"),
+        },
+        "boolean" => match check.expected.trim() {
+            "true" => Ok(Value::Bool(true)),
+            "false" => Ok(Value::Bool(false)),
+            _ => Err("Expected value must be true or false"),
+        },
+        "null" => Ok(Value::Null),
+        _ => Err("Unsupported expected value type"),
+    }
+}
+
+pub fn validate_check(check: &HttpAssertion) -> Result<(), &'static str> {
+    if check.id.is_empty() {
+        return Err("Assertion ID is required");
+    }
+    if check.selector.len() > 1024 || check.expected.len() > 16 * 1024 {
+        return Err("Assertion input is too long");
+    }
+    match check.target.as_str() {
+        "json" => {
+            if check.selector.trim().is_empty()
+                || JsonPath::parse(&normalized_path(&check.selector)).is_err()
+            {
+                return Err("Enter a valid JSONPath, for example $.user.id");
+            }
+        }
+        "header" if !check.selector.trim().is_empty() => {}
+        "status" => {}
+        "header" => return Err("Header name is required"),
+        _ => return Err("Unsupported assertion target"),
+    }
+    if check.operator == "exists" {
+        return Ok(());
+    }
+    if !matches!(
+        check.operator.as_str(),
+        "equals" | "not_equals" | "greater_than" | "less_than" | "contains"
+    ) {
+        return Err("Unsupported comparison");
+    }
+    let expected = expected_value(check)?;
+    if matches!(check.operator.as_str(), "greater_than" | "less_than") && !expected.is_number() {
+        return Err("Numeric comparisons require a number");
+    }
+    if check.operator == "contains" && !expected.is_string() {
+        return Err("Contains requires a text value");
+    }
+    if check.target == "status"
+        && (!expected.is_number()
+            || !matches!(
+                check.operator.as_str(),
+                "equals" | "not_equals" | "greater_than" | "less_than"
+            ))
+    {
+        return Err("Status comparisons require a number");
+    }
+    if check.target == "header" && !expected.is_string() {
+        return Err("Header comparisons require text");
+    }
+    Ok(())
+}
+
+pub fn validate(definition: &HttpAssertions) -> Result<(), String> {
+    if definition.version != 1 {
+        return Err("Unsupported assertion version".into());
+    }
+    if definition.checks.len() > MAX_CHECKS {
+        return Err("At most 100 assertions are supported per request".into());
+    }
+    let mut ids = HashSet::new();
+    for check in &definition.checks {
+        if !ids.insert(&check.id) {
+            return Err("Assertion IDs must be unique".into());
+        }
+        if check.enabled {
+            validate_check(check).map_err(str::to_owned)?;
+        }
+    }
+    Ok(())
+}
+
+pub fn validation_errors(definition: &HttpAssertions) -> std::collections::HashMap<String, String> {
+    let mut errors = std::collections::HashMap::new();
+    if definition.version != 1 || definition.checks.len() > MAX_CHECKS {
+        errors.insert(String::new(), validate(definition).unwrap_err());
+        return errors;
+    }
+    let mut ids = HashSet::new();
+    for check in &definition.checks {
+        if !ids.insert(&check.id) {
+            errors.insert(check.id.clone(), "Assertion IDs must be unique".into());
+        }
+        if check.enabled
+            && let Err(message) = validate_check(check)
+        {
+            errors.insert(check.id.clone(), message.into());
+        }
+    }
+    errors
+}
+
+fn numeric_cmp(a: &Value, b: &Value) -> Option<Ordering> {
+    if let (Some(a), Some(b)) = (a.as_i64(), b.as_i64()) {
+        return Some(a.cmp(&b));
+    }
+    if let (Some(a), Some(b)) = (a.as_u64(), b.as_u64()) {
+        return Some(a.cmp(&b));
+    }
+    if a.as_i64().is_some_and(|n| n < 0) && b.as_u64().is_some() {
+        return Some(Ordering::Less);
+    }
+    if b.as_i64().is_some_and(|n| n < 0) && a.as_u64().is_some() {
+        return Some(Ordering::Greater);
+    }
+    for value in [a, b] {
+        if value.as_u64().is_some_and(|n| n > 9_007_199_254_740_992)
+            || value.as_i64().is_some_and(|n| n < -9_007_199_254_740_992)
+        {
+            return None;
+        }
+    }
+    let (a, b) = (a.as_f64()?, b.as_f64()?);
+    // Avoid rounding distinct large integers into the same floating-point value.
+    if a.abs() > 9_007_199_254_740_992.0 || b.abs() > 9_007_199_254_740_992.0 {
+        return None;
+    }
+    a.partial_cmp(&b)
+}
+
+fn compare(actual: &Value, expected: &Value, op: &str) -> Result<bool, &'static str> {
+    if op == "contains" {
+        return actual
+            .as_str()
+            .zip(expected.as_str())
+            .map(|(a, b)| a.contains(b))
+            .ok_or("Value is not text");
+    }
+    if actual.is_number() && expected.is_number() {
+        let cmp = numeric_cmp(actual, expected)
+            .ok_or("Number is outside the supported comparison range")?;
+        return Ok(match op {
+            "equals" => cmp.is_eq(),
+            "not_equals" => !cmp.is_eq(),
+            "greater_than" => cmp.is_gt(),
+            "less_than" => cmp.is_lt(),
+            _ => false,
+        });
+    }
+    if matches!(op, "greater_than" | "less_than") {
+        return Err("Value is not a number");
+    }
+    if !(actual.is_string() && expected.is_string()
+        || actual.is_boolean() && expected.is_boolean()
+        || actual.is_null() && expected.is_null())
+    {
+        return Err("Value has a different type");
+    }
+    Ok(if op == "not_equals" { actual != expected } else { actual == expected })
+}
+
+pub fn evaluate(definition: &HttpAssertions, response: Response<'_>) -> AssertionReport {
+    let error = validate(definition).err();
+    if definition.checks.len() > MAX_CHECKS {
+        return AssertionReport { definition: definition.clone(), results: Vec::new(), error };
+    }
+    let json = if error.is_none()
+        && matches!(response.completion, Completion::Complete)
+        && definition.needs_body()
+    {
+        match response.body {
+            Body::Bytes(bytes) if bytes.len() <= MAX_BODY_BYTES => {
+                serde_json::from_slice::<Value>(bytes)
+                    .map_err(|_| "Response body is not valid UTF-8 JSON")
+            }
+            Body::TooLarge | Body::Bytes(_) => {
+                Err("Response body exceeds the 10 MiB assertion limit")
+            }
+            Body::Unavailable => Err("Response body is unavailable"),
+        }
+    } else {
+        Ok(Value::Null)
+    };
+    let results = definition
+        .checks
+        .iter()
+        .map(|check| {
+            let result = |outcome: &str, reason: &str, actual: Option<Value>| AssertionResult {
+                assertion_id: check.id.clone(),
+                outcome: outcome.into(),
+                reason: reason.into(),
+                actual,
+            };
+            if !check.enabled {
+                return result("skipped", "Disabled", None);
+            }
+            if let Some(error) = &error {
+                return result("invalid", error, None);
+            }
+            match response.completion {
+                Completion::Canceled => return result("error", "Request canceled", None),
+                Completion::Error => {
+                    return result("error", "Request did not complete successfully", None);
+                }
+                Completion::Complete => {}
+            }
+            let status = Value::from(response.status);
+            let header_values: Vec<Value> = if check.target == "header" {
+                response
+                    .headers
+                    .iter()
+                    .filter(|(name, _)| name.eq_ignore_ascii_case(check.selector.trim()))
+                    .map(|(_, value)| Value::String(value.clone()))
+                    .collect()
+            } else {
+                Vec::new()
+            };
+            // Borrow JSON matches: recursive selectors can select overlapping subtrees.
+            // Cloning every selected subtree would multiply memory well beyond the body limit.
+            let values: Result<Vec<&Value>, &str> = match check.target.as_str() {
+                "status" => Ok(vec![&status]),
+                "header" => Ok(header_values.iter().collect()),
+                "json" => json.as_ref().map_err(|e| *e).map(|body| {
+                    JsonPath::parse(&normalized_path(&check.selector))
+                        .expect("validated path")
+                        .query(body)
+                        .all()
+                }),
+                _ => unreachable!("validated target"),
+            };
+            let values = match values {
+                Ok(values) => values,
+                Err(message) => return result("error", message, None),
+            };
+            if values.is_empty() {
+                return result("failed", "Value was not found", None);
+            }
+            if check.operator == "exists" {
+                return result("passed", "Value exists", None);
+            }
+            if check.target == "json" && values.len() != 1 {
+                return result("error", "JSONPath must select one value for this comparison", None);
+            }
+            let expected = expected_value(check).expect("validated expected value");
+            let mut reason = "Value did not match";
+            let mut all_different = true;
+            for actual in &values {
+                match compare(actual, &expected, &check.operator) {
+                    Ok(true) if check.operator != "not_equals" => {
+                        return result("passed", "Comparison passed", None);
+                    }
+                    Ok(true) => {}
+                    Ok(false) => all_different = false,
+                    Err(message) => {
+                        reason = message;
+                        all_different = false;
+                    }
+                }
+            }
+            if check.operator == "not_equals" && all_different {
+                return result("passed", "Comparison passed", None);
+            }
+            // Details are local to the response; CLI reports deliberately omit actual values.
+            let actual = values
+                .first()
+                .filter(|v| {
+                    v.is_null()
+                        || v.is_boolean()
+                        || v.is_number()
+                        || v.as_str().is_some_and(|s| s.len() <= 1024)
+                })
+                .map(|v| (*v).clone());
+            result("failed", reason, actual)
+        })
+        .collect();
+    AssertionReport { definition: definition.clone(), results, error }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn check(path: &str, op: &str, expected: &str, kind: &str) -> HttpAssertion {
+        HttpAssertion {
+            id: "check".into(),
+            selector: path.into(),
+            operator: op.into(),
+            expected: expected.into(),
+            expected_type: kind.into(),
+            ..Default::default()
+        }
+    }
+    fn run(check: HttpAssertion, bytes: &[u8]) -> AssertionResult {
+        evaluate(
+            &HttpAssertions { checks: vec![check], ..Default::default() },
+            Response {
+                status: 200,
+                headers: &[],
+                body: Body::Bytes(bytes),
+                completion: Completion::Complete,
+            },
+        )
+        .results
+        .remove(0)
+    }
+    #[test]
+    fn json_paths_and_strict_scalar_types() {
+        let body = br#"{"user":{"id":123,"name":"Greg","active":true,"deleted":null},"items":[1,2],"a.b":"value"}"#;
+        for (path, op, expected, kind, outcome) in [
+            ("$.user.id", "equals", "123", "number", "passed"),
+            ("user.id", "equals", "123.0", "number", "passed"),
+            ("user.id", "equals", "123", "text", "failed"),
+            ("user.id", "not_equals", "123", "text", "failed"),
+            ("user.id", "greater_than", "122", "number", "passed"),
+            ("user.id", "less_than", "124", "number", "passed"),
+            ("user.name", "contains", "reg", "text", "passed"),
+            ("user.active", "equals", "true", "boolean", "passed"),
+            ("user.deleted", "exists", "", "text", "passed"),
+            ("user.deleted", "equals", "", "null", "passed"),
+            ("user.missing", "equals", "", "null", "failed"),
+            ("user.missing", "not_equals", "anything", "text", "failed"),
+            ("items[*]", "equals", "1", "number", "error"),
+            ("items[*]", "exists", "", "text", "passed"),
+            ("['a.b']", "equals", "value", "text", "passed"),
+            ("user", "equals", "{}", "text", "failed"),
+        ] {
+            assert_eq!(
+                run(check(path, op, expected, kind), body).outcome,
+                outcome,
+                "{path} {op} {expected} {kind}"
+            );
+        }
+    }
+    #[test]
+    fn invalid_configs_are_not_failures_or_passes() {
+        for c in [
+            check("$[", "equals", "1", "number"),
+            check("id", "equals", "NaN", "number"),
+            check("id", "greater_than", "2", "text"),
+            check("id", "script", "", "text"),
+            check("id", "equals", "yes", "boolean"),
+        ] {
+            assert_eq!(run(c, b"{}").outcome, "invalid");
+        }
+        let c = check("id", "exists", "", "text");
+        assert!(validate(&HttpAssertions { version: 2, checks: vec![] }).is_err());
+        assert!(
+            validate(&HttpAssertions { checks: vec![c.clone(), c], ..Default::default() }).is_err()
+        );
+    }
+    #[test]
+    fn duplicate_headers_match_case_insensitively_without_joining() {
+        let headers = vec![
+            ("X-Test".into(), "one".into()),
+            ("x-test".into(), "two".into()),
+        ];
+        for (op, expected, outcome) in [
+            ("equals", "two", "passed"),
+            ("equals", "one,two", "failed"),
+            ("not_equals", "one", "failed"),
+            ("not_equals", "three", "passed"),
+        ] {
+            let mut c = check("X-TEST", op, expected, "text");
+            c.target = "header".into();
+            let report = evaluate(
+                &HttpAssertions { checks: vec![c], ..Default::default() },
+                Response {
+                    status: 200,
+                    headers: &headers,
+                    body: Body::Unavailable,
+                    completion: Completion::Complete,
+                },
+            );
+            assert_eq!(report.results[0].outcome, outcome);
+        }
+    }
+    #[test]
+    fn incomplete_requests_cannot_pass_even_a_status_check() {
+        for completion in [Completion::Error, Completion::Canceled] {
+            let mut c = check("", "equals", "200", "number");
+            c.target = "status".into();
+            let report = evaluate(
+                &HttpAssertions { checks: vec![c], ..Default::default() },
+                Response { status: 200, headers: &[], body: Body::Bytes(b"{}"), completion },
+            );
+            assert_eq!(report.results[0].outcome, "error");
+        }
+    }
+    #[test]
+    fn body_errors_do_not_prevent_status_checks() {
+        let c = check("id", "exists", "", "text");
+        for body in [
+            Body::Unavailable,
+            Body::TooLarge,
+            Body::Bytes(b"not json"),
+            Body::Bytes(b"\xff"),
+        ] {
+            let mut status = check("", "equals", "200", "number");
+            status.target = "status".into();
+            status.id = "status".into();
+            let report = evaluate(
+                &HttpAssertions { checks: vec![c.clone(), status], ..Default::default() },
+                Response { status: 200, headers: &[], body, completion: Completion::Complete },
+            );
+            assert_eq!(report.results[0].outcome, "error");
+            assert_eq!(report.results[1].outcome, "passed");
+        }
+    }
+    #[test]
+    fn disabled_checks_and_large_numbers() {
+        let mut c = check("invalid path", "unknown", "", "bad");
+        c.enabled = false;
+        assert_eq!(run(c, b"{}").outcome, "skipped");
+        assert_eq!(
+            run(check("id", "equals", "9007199254740993", "number"), br#"{"id":9007199254740992}"#)
+                .outcome,
+            "failed"
+        );
+        assert_eq!(
+            run(check("id", "equals", "9007199254740993", "number"), br#"{"id":9007199254740993}"#)
+                .outcome,
+            "passed"
+        );
+        assert_eq!(
+            run(
+                check("id", "equals", "9007199254740992.0", "number"),
+                br#"{"id":9007199254740993}"#
+            )
+            .outcome,
+            "failed"
+        );
+    }
+}

crates/yaak-git/bindings/gen_assertions.ts

@@ -0,0 +1,9 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+/**
+ * Strings intentionally retain unknown operators/types so they fail validation, rather than
+ * disappearing during import or being treated as an empty, passing collection.
+ */
+export type HttpAssertion = { id: string, enabled: boolean, target: string, selector: string, operator: string, expected: string, expectedType: string, };
+
+export type HttpAssertions = { version: number, checks: Array<HttpAssertion>, };

crates/yaak-git/bindings/gen_models.ts

@@ -1,179 +1,54 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { HttpAssertions } from "./gen_assertions";
 
-export type DnsOverride = {
-  hostname: string;
-  ipv4: Array<string>;
-  ipv6: Array<string>;
-  enabled?: boolean;
-};
+export type DnsOverride = { hostname: string, ipv4: Array<string>, ipv6: Array<string>, enabled?: boolean, };
 
-export type Environment = {
-  model: "environment";
-  id: string;
-  workspaceId: string;
-  createdAt: string;
-  updatedAt: string;
-  name: string;
-  public: boolean;
-  parentModel: string;
-  parentId: string | null;
-  /**
-   * Variables defined in this environment scope.
-   * Child environments override parent variables by name.
-   */
-  variables: Array<EnvironmentVariable>;
-  color: string | null;
-  sortPriority: number;
-};
+export type Environment = { model: "environment", id: string, workspaceId: string, createdAt: string, updatedAt: string, name: string, public: boolean, parentModel: string, parentId: string | null,
+/**
+ * Variables defined in this environment scope.
+ * Child environments override parent variables by name.
+ */
+variables: Array<EnvironmentVariable>, color: string | null, sortPriority: number, };
 
-export type EnvironmentVariable = { enabled?: boolean; name: string; value: string; id?: string };
+export type EnvironmentVariable = { enabled?: boolean, name: string, value: string, id?: string, };
 
-export type Folder = {
-  model: "folder";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  name: string;
-  sortPriority: number;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingFollowRedirects: InheritedBoolSetting;
-  settingRequestTimeout: InheritedIntSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-  settingHttpVersion: InheritedHttpVersionSetting;
-};
+export type Folder = { model: "folder", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, name: string, sortPriority: number, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingFollowRedirects: InheritedBoolSetting, settingRequestTimeout: InheritedIntSetting, settingRequestMessageSize: InheritedIntSetting, settingHttpVersion: InheritedHttpVersionSetting, };
 
-export type GrpcRequest = {
-  model: "grpc_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authenticationType: string | null;
-  authentication: Record<string, any>;
-  description: string;
-  message: string;
-  metadata: Array<HttpRequestHeader>;
-  method: string | null;
-  name: string;
-  service: string | null;
-  sortPriority: number;
-  /**
-   * Server URL (http for plaintext or https for secure)
-   */
-  url: string;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-};
+export type GrpcRequest = { model: "grpc_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authenticationType: string | null, authentication: Record<string, any>, description: string, message: string, metadata: Array<HttpRequestHeader>, method: string | null, name: string, service: string | null, sortPriority: number,
+/**
+ * Server URL (http for plaintext or https for secure)
+ */
+url: string, settingValidateCertificates: InheritedBoolSetting, settingRequestMessageSize: InheritedIntSetting, };
 
-export type HttpRequest = {
-  model: "http_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  body: Record<string, any>;
-  bodyType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  method: string;
-  name: string;
-  sortPriority: number;
-  url: string;
-  /**
-   * URL parameters used for both path placeholders (`:id`) and query string entries.
-   */
-  urlParameters: Array<HttpUrlParameter>;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingFollowRedirects: InheritedBoolSetting;
-  settingRequestTimeout: InheritedIntSetting;
-  settingHttpVersion: InheritedHttpVersionSetting;
-};
+export type HttpRequest = { model: "http_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, body: Record<string, any>, bodyType: string | null, description: string, headers: Array<HttpRequestHeader>, assertions: HttpAssertions, method: string, name: string, sortPriority: number, url: string,
+/**
+ * URL parameters used for both path placeholders (`:id`) and query string entries.
+ */
+urlParameters: Array<HttpUrlParameter>, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingFollowRedirects: InheritedBoolSetting, settingRequestTimeout: InheritedIntSetting, settingHttpVersion: InheritedHttpVersionSetting, };
 
-export type HttpRequestHeader = { enabled?: boolean; name: string; value: string; id?: string };
+export type HttpRequestHeader = { enabled?: boolean, name: string, value: string, id?: string, };
 
-export type HttpUrlParameter = {
-  enabled?: boolean;
-  /**
-   * Colon-prefixed parameters are treated as path parameters if they match, like `/users/:id`
-   * Other entries are appended as query parameters
-   */
-  name: string;
-  value: string;
-  id?: string;
-};
+export type HttpUrlParameter = { enabled?: boolean,
+/**
+ * Colon-prefixed parameters are treated as path parameters if they match, like `/users/:id`
+ * Other entries are appended as query parameters
+ */
+name: string, value: string, id?: string, };
 
 export type HttpVersion = "auto" | "http1" | "http2";
 
-export type InheritedBoolSetting = { enabled?: boolean; value: boolean };
+export type InheritedBoolSetting = { enabled?: boolean, value: boolean, };
 
-export type InheritedHttpVersionSetting = { enabled?: boolean; value: HttpVersion };
+export type InheritedHttpVersionSetting = { enabled?: boolean, value: HttpVersion, };
 
-export type InheritedIntSetting = { enabled?: boolean; value: number };
+export type InheritedIntSetting = { enabled?: boolean, value: number, };
 
-export type SyncModel =
-  | ({ type: "workspace" } & Workspace)
-  | ({ type: "environment" } & Environment)
-  | ({ type: "folder" } & Folder)
-  | ({ type: "http_request" } & HttpRequest)
-  | ({ type: "grpc_request" } & GrpcRequest)
-  | ({ type: "websocket_request" } & WebsocketRequest);
+export type SyncModel = { "type": "workspace" } & Workspace | { "type": "environment" } & Environment | { "type": "folder" } & Folder | { "type": "http_request" } & HttpRequest | { "type": "grpc_request" } & GrpcRequest | { "type": "websocket_request" } & WebsocketRequest;
 
-export type WebsocketRequest = {
-  model: "websocket_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  message: string;
-  name: string;
-  sortPriority: number;
-  url: string;
-  /**
-   * URL parameters used for both path placeholders (`:id`) and query string entries.
-   */
-  urlParameters: Array<HttpUrlParameter>;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-};
+export type WebsocketRequest = { model: "websocket_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, message: string, name: string, sortPriority: number, url: string,
+/**
+ * URL parameters used for both path placeholders (`:id`) and query string entries.
+ */
+urlParameters: Array<HttpUrlParameter>, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingRequestMessageSize: InheritedIntSetting, };
 
-export type Workspace = {
-  model: "workspace";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  name: string;
-  encryptionKeyChallenge: string | null;
-  settingValidateCertificates: boolean;
-  settingFollowRedirects: boolean;
-  settingRequestTimeout: number;
-  settingRequestMessageSize: number;
-  settingDnsOverrides: Array<DnsOverride>;
-  settingSendCookies: boolean;
-  settingStoreCookies: boolean;
-  settingHttpVersion: HttpVersion;
-};
+export type Workspace = { model: "workspace", id: string, createdAt: string, updatedAt: string, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, name: string, encryptionKeyChallenge: string | null, settingValidateCertificates: boolean, settingFollowRedirects: boolean, settingRequestTimeout: number, settingRequestMessageSize: number, settingDnsOverrides: Array<DnsOverride>, settingSendCookies: boolean, settingStoreCookies: boolean, settingHttpVersion: HttpVersion, };

crates/yaak-jsonpath/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "yaak-jsonpath"
+version = "0.1.0"
+edition = "2024"
+publish = false
+
+[dependencies]
+serde = { workspace = true, features = ["derive"] }
+serde_json = { workspace = true }
+serde_json_path = "0.7.2"
+ts-rs = { workspace = true }

crates/yaak-jsonpath/bindings/gen_jsonpath.ts

@@ -0,0 +1,13 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type JsonPathChild = {
+/**
+ * A single, escaped child accessor (e.g. .user, [0], or ["unusual.key"]).
+ */
+selector: string, label: string, kind: string, };
+
+export type JsonPathChildren = { children: Array<JsonPathChild>,
+/**
+ * Discovery is sampled/bounded, never an assertion that other keys don't exist.
+ */
+truncated: boolean, };

crates/yaak-jsonpath/src/lib.rs

@@ -0,0 +1,226 @@
+//! JSON selection and discovery shared by assertions and host APIs. No I/O or plugin runtime.
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+use std::collections::BTreeMap;
+use ts_rs::TS;
+
+pub use serde_json_path::JsonPath;
+pub const MAX_BODY_BYTES: usize = 10 * 1024 * 1024;
+pub const MAX_SELECTOR_BYTES: usize = 1024;
+const MAX_CHILDREN: usize = 100;
+const MAX_PARENTS: usize = 20;
+const MAX_ARRAY_INDICES: usize = 20;
+
+pub fn normalized_path(selector: &str) -> String {
+    let s = selector.trim();
+    if s.starts_with('$') {
+        s.into()
+    } else if s.starts_with('[') {
+        format!("${s}")
+    } else {
+        format!("$.{s}")
+    }
+}
+
+pub fn parse(selector: &str) -> Result<JsonPath, &'static str> {
+    if selector.trim().is_empty() || selector.len() > MAX_SELECTOR_BYTES {
+        return Err("Enter a valid JSONPath");
+    }
+    JsonPath::parse(&normalized_path(selector)).map_err(|_| "Enter a valid JSONPath")
+}
+
+pub fn parse_body(bytes: &[u8]) -> Result<Value, &'static str> {
+    if bytes.len() > MAX_BODY_BYTES {
+        return Err("Response body exceeds the 10 MiB limit");
+    }
+    serde_json::from_slice(bytes).map_err(|_| "Response body is not valid UTF-8 JSON")
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = "gen_jsonpath.ts")]
+pub struct JsonPathChild {
+    /// A single, escaped child accessor (e.g. .user, [0], or ["unusual.key"]).
+    pub selector: String,
+    pub label: String,
+    pub kind: String,
+}
+
+#[derive(Debug, Clone, Default, Serialize, Deserialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = "gen_jsonpath.ts")]
+pub struct JsonPathChildren {
+    pub children: Vec<JsonPathChild>,
+    /// Discovery is sampled/bounded, never an assertion that other keys don't exist.
+    pub truncated: bool,
+}
+
+fn kind(value: &Value) -> &'static str {
+    match value {
+        Value::Null => "null",
+        Value::Bool(_) => "boolean",
+        Value::Number(_) => "number",
+        Value::String(_) => "text",
+        Value::Array(_) => "array",
+        Value::Object(_) => "object",
+    }
+}
+
+fn key_selector(key: &str) -> String {
+    let mut chars = key.chars();
+    let first_ok = chars.next().is_some_and(|c| c.is_ascii_alphabetic() || c == '_');
+    if first_ok && chars.all(|c| c.is_ascii_alphanumeric() || c == '_') {
+        format!(".{key}")
+    } else {
+        format!("[{}]", serde_json::to_string(key).expect("string is JSON serializable"))
+    }
+}
+
+/// Enumerate just the next level. Wildcard parents sample up to 20 matches, merging keys/types.
+/// Returns structure only; response values (possibly secrets) never appear in suggestions.
+pub fn children(document: &Value, parent: &str) -> Result<JsonPathChildren, &'static str> {
+    let query = parse(parent)?;
+    let parents = query.query(document).all();
+    let mut result =
+        JsonPathChildren { truncated: parents.len() > MAX_PARENTS, ..Default::default() };
+    let mut indices = BTreeMap::<String, usize>::new();
+    for value in parents.into_iter().take(MAX_PARENTS) {
+        let mut add = |selector: String, label: String, kind: &str| {
+            if selector.len() + parent.len() > MAX_SELECTOR_BYTES {
+                result.truncated = true;
+                return;
+            }
+            if let Some(&index) = indices.get(&selector) {
+                if result.children[index].kind != kind {
+                    result.children[index].kind = "mixed".into();
+                }
+            } else if result.children.len() < MAX_CHILDREN {
+                indices.insert(selector.clone(), result.children.len());
+                result.children.push(JsonPathChild { selector, label, kind: kind.into() });
+            } else {
+                result.truncated = true;
+            }
+        };
+        match value {
+            Value::Object(object) => {
+                for (key, value) in object {
+                    add(key_selector(key), key.clone(), kind(value));
+                }
+            }
+            Value::Array(array) => {
+                if !array.is_empty() {
+                    add("[*]".into(), "[*]".into(), "all items");
+                }
+                for (index, value) in array.iter().take(MAX_ARRAY_INDICES).enumerate() {
+                    add(format!("[{index}]"), format!("[{index}]"), kind(value));
+                }
+                if array.len() > MAX_ARRAY_INDICES {
+                    result.truncated = true;
+                }
+            }
+            _ => {}
+        }
+    }
+    Ok(result)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use serde_json::json;
+
+    #[test]
+    fn discovers_one_level_at_a_time_and_merges_wildcard_children() {
+        let document = json!({"users": [{"name": "SECRET", "id": 1}, {"id": "two", "active": true}], "total": 2});
+        let root = children(&document, "$").unwrap();
+        assert_eq!(
+            root.children.iter().map(|c| c.label.as_str()).collect::<Vec<_>>(),
+            ["total", "users"]
+        );
+        assert!(!serde_json::to_string(&root).unwrap().contains("SECRET"));
+        let users = children(&document, "users").unwrap();
+        assert_eq!(
+            users.children.iter().map(|c| c.selector.as_str()).collect::<Vec<_>>(),
+            ["[*]", "[0]", "[1]"]
+        );
+        let fields = children(&document, "$.users[*]").unwrap();
+        assert_eq!(fields.children.iter().find(|c| c.label == "id").unwrap().kind, "mixed");
+        assert_eq!(fields.children.iter().find(|c| c.label == "active").unwrap().kind, "boolean");
+        assert!(children(&document, "$.users[0].id").unwrap().children.is_empty());
+        assert!(children(&document, "$.missing").unwrap().children.is_empty());
+    }
+
+    #[test]
+    fn suggestions_round_trip_unusual_keys_without_interpreting_them() {
+        for key in [
+            "",
+            "a.b",
+            "space key",
+            "quote\"key",
+            "single'key",
+            "back\\slash",
+            "bracket]key",
+            "*",
+            "..",
+            "$",
+            "@number()",
+            "line\nbreak\t\u{0}",
+            "emoji 🤔",
+            "__proto__",
+            "constructor",
+        ] {
+            let document = json!({key: "needle", "decoy": "wrong"});
+            let found = children(&document, "$")
+                .unwrap()
+                .children
+                .into_iter()
+                .find(|c| c.label == key)
+                .unwrap();
+            assert_eq!(
+                parse(&format!("${}", found.selector)).unwrap().query(&document).all(),
+                vec![&json!("needle")],
+                "key {key:?}"
+            );
+        }
+    }
+
+    #[test]
+    fn discovery_is_bounded_and_marks_sampling() {
+        let document = json!((0..30).map(|i| json!({"id": i})).collect::<Vec<_>>());
+        let items = children(&document, "$").unwrap();
+        assert_eq!(items.children.len(), MAX_ARRAY_INDICES + 1);
+        assert!(items.truncated);
+        assert!(children(&document, "$[*]").unwrap().truncated);
+        let many = Value::Object((0..110).map(|i| (format!("key{i}"), Value::Null)).collect());
+        let result = children(&many, "$").unwrap();
+        assert_eq!(result.children.len(), MAX_CHILDREN);
+        assert!(result.truncated);
+        assert!(parse_body(&vec![b' '; MAX_BODY_BYTES + 1]).is_err());
+    }
+
+    // Characterize the existing plugin's expressions before migrating its engine.
+    #[test]
+    fn standard_plugin_filters_work_but_javascript_extensions_are_not_supported() {
+        let document = json!({"items": [{"id": 1}, {"id": 2}, {"id": 3}], "space key": 4});
+        for (path, expected) in [
+            ("$.items[1].id", json!([2])),
+            ("$['space key']", json!([4])),
+            ("$.items[*].id", json!([1, 2, 3])),
+            ("$..id", json!([1, 2, 3])),
+            ("$.items[0:2].id", json!([1, 2])),
+            ("$.items[0,2].id", json!([1, 3])),
+            ("$.items[?(@.id > 1)].id", json!([2, 3])),
+            ("$.missing", json!([])),
+        ] {
+            assert_eq!(
+                serde_json::to_value(parse(path).unwrap().query(&document).all()).unwrap(),
+                expected,
+                "{path}"
+            );
+        }
+        assert!(parse("$.items[(@.length-1)].id").is_err());
+        assert!(parse("$[\"items\"].$").is_err());
+        // serde_json cannot represent the unpaired UTF-16 surrogate accepted by JS JSON.parse.
+        assert!(parse_body(br#"{"\ud800":"value"}"#).is_err());
+    }
+}

crates/yaak-models/Cargo.toml

@@ -5,6 +5,7 @@ edition = "2024"
 publish = false
 
 [dependencies]
+yaak-assertions = { workspace = true }
 chrono = { version = "0.4.38", features = ["serde"] }
 yaak-database = { workspace = true }
 hex = { workspace = true }

crates/yaak-models/bindings/gen_assertions.ts

@@ -0,0 +1,14 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { JsonValue } from "./serde_json/JsonValue";
+
+export type AssertionReport = { definition: HttpAssertions, results: Array<AssertionResult>, error: string | null, };
+
+export type AssertionResult = { assertionId: string, outcome: string, reason: string, actual: JsonValue | null, };
+
+/**
+ * Strings intentionally retain unknown operators/types so they fail validation, rather than
+ * disappearing during import or being treated as an empty, passing collection.
+ */
+export type HttpAssertion = { id: string, enabled: boolean, target: string, selector: string, operator: string, expected: string, expectedType: string, };
+
+export type HttpAssertions = { version: number, checks: Array<HttpAssertion>, };

crates/yaak-models/bindings/gen_models.ts

@@ -1,309 +1,74 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 import type { ModelChangeEvent } from "./ModelChangeEvent";
+import type { AssertionReport, HttpAssertions } from "./gen_assertions";
 
-export type AnyModel =
-  | CookieJar
-  | Environment
-  | Folder
-  | GraphQlIntrospection
-  | GrpcConnection
-  | GrpcEvent
-  | GrpcRequest
-  | HttpRequest
-  | HttpResponse
-  | HttpResponseEvent
-  | ImportSource
-  | KeyValue
-  | Plugin
-  | Settings
-  | SyncState
-  | WebsocketConnection
-  | WebsocketEvent
-  | WebsocketRequest
-  | Workspace
-  | WorkspaceMeta;
+export type AnyModel = CookieJar | Environment | Folder | GraphQlIntrospection | GrpcConnection | GrpcEvent | GrpcRequest | HttpRequest | HttpResponse | HttpResponseEvent | ImportSource | KeyValue | Plugin | Settings | SyncState | WebsocketConnection | WebsocketEvent | WebsocketRequest | Workspace | WorkspaceMeta;
 
-export type ClientCertificate = {
-  host: string;
-  port: number | null;
-  crtFile: string | null;
-  keyFile: string | null;
-  pfxFile: string | null;
-  passphrase: string | null;
-  enabled?: boolean;
-};
+export type ClientCertificate = { host: string, port: number | null, crtFile: string | null, keyFile: string | null, pfxFile: string | null, passphrase: string | null, enabled?: boolean, };
 
-export type Cookie = {
-  name: string;
-  value: string;
-  domain: CookieDomain;
-  expires: CookieExpires;
-  path: string;
-  secure: boolean;
-  httpOnly: boolean;
-  sameSite: CookieSameSite | null;
-};
+export type Cookie = { name: string, value: string, domain: CookieDomain, expires: CookieExpires, path: string, secure: boolean, httpOnly: boolean, sameSite: CookieSameSite | null, };
 
-export type CookieDomain = { HostOnly: string } | { Suffix: string } | "NotPresent" | "Empty";
+export type CookieDomain = { "HostOnly": string } | { "Suffix": string } | "NotPresent" | "Empty";
 
-export type CookieExpires = { AtUtc: string } | "SessionEnd";
+export type CookieExpires = { "AtUtc": string } | "SessionEnd";
 
-export type CookieJar = {
-  model: "cookie_jar";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  cookies: Array<Cookie>;
-  name: string;
-};
+export type CookieJar = { model: "cookie_jar", id: string, createdAt: string, updatedAt: string, workspaceId: string, cookies: Array<Cookie>, name: string, };
 
 export type CookieSameSite = "Strict" | "Lax" | "None";
 
-export type DnsOverride = {
-  hostname: string;
-  ipv4: Array<string>;
-  ipv6: Array<string>;
-  enabled?: boolean;
-};
+export type DnsOverride = { hostname: string, ipv4: Array<string>, ipv6: Array<string>, enabled?: boolean, };
 
 export type EditorKeymap = "default" | "vim" | "vscode" | "emacs";
 
-export type EncryptedKey = { encryptedKey: string };
+export type EncryptedKey = { encryptedKey: string, };
 
-export type Environment = {
-  model: "environment";
-  id: string;
-  workspaceId: string;
-  createdAt: string;
-  updatedAt: string;
-  name: string;
-  public: boolean;
-  parentModel: string;
-  parentId: string | null;
-  /**
-   * Variables defined in this environment scope.
-   * Child environments override parent variables by name.
-   */
-  variables: Array<EnvironmentVariable>;
-  color: string | null;
-  sortPriority: number;
-};
+export type Environment = { model: "environment", id: string, workspaceId: string, createdAt: string, updatedAt: string, name: string, public: boolean, parentModel: string, parentId: string | null,
+/**
+ * Variables defined in this environment scope.
+ * Child environments override parent variables by name.
+ */
+variables: Array<EnvironmentVariable>, color: string | null, sortPriority: number, };
 
-export type EnvironmentVariable = { enabled?: boolean; name: string; value: string; id?: string };
+export type EnvironmentVariable = { enabled?: boolean, name: string, value: string, id?: string, };
 
-export type Folder = {
-  model: "folder";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  name: string;
-  sortPriority: number;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingFollowRedirects: InheritedBoolSetting;
-  settingRequestTimeout: InheritedIntSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-  settingHttpVersion: InheritedHttpVersionSetting;
-};
+export type Folder = { model: "folder", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, name: string, sortPriority: number, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingFollowRedirects: InheritedBoolSetting, settingRequestTimeout: InheritedIntSetting, settingRequestMessageSize: InheritedIntSetting, settingHttpVersion: InheritedHttpVersionSetting, };
 
-export type GraphQlIntrospection = {
-  model: "graphql_introspection";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  content: string | null;
-};
+export type GraphQlIntrospection = { model: "graphql_introspection", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, content: string | null, };
 
-export type GrpcConnection = {
-  model: "grpc_connection";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  elapsed: number;
-  error: string | null;
-  method: string;
-  service: string;
-  status: number;
-  state: GrpcConnectionState;
-  trailers: { [key in string]?: string };
-  url: string;
-};
+export type GrpcConnection = { model: "grpc_connection", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, elapsed: number, error: string | null, method: string, service: string, status: number, state: GrpcConnectionState, trailers: { [key in string]?: string }, url: string, };
 
 export type GrpcConnectionState = "initialized" | "connected" | "closed";
 
-export type GrpcEvent = {
-  model: "grpc_event";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  connectionId: string;
-  content: string;
-  error: string | null;
-  eventType: GrpcEventType;
-  metadata: { [key in string]?: string };
-  status: number | null;
-};
+export type GrpcEvent = { model: "grpc_event", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, connectionId: string, content: string, error: string | null, eventType: GrpcEventType, metadata: { [key in string]?: string }, status: number | null, };
 
-export type GrpcEventType =
-  | "info"
-  | "error"
-  | "client_message"
-  | "server_message"
-  | "connection_start"
-  | "connection_end";
+export type GrpcEventType = "info" | "error" | "client_message" | "server_message" | "connection_start" | "connection_end";
 
-export type GrpcRequest = {
-  model: "grpc_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authenticationType: string | null;
-  authentication: Record<string, any>;
-  description: string;
-  message: string;
-  metadata: Array<HttpRequestHeader>;
-  method: string | null;
-  name: string;
-  service: string | null;
-  sortPriority: number;
-  /**
-   * Server URL (http for plaintext or https for secure)
-   */
-  url: string;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-};
+export type GrpcRequest = { model: "grpc_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authenticationType: string | null, authentication: Record<string, any>, description: string, message: string, metadata: Array<HttpRequestHeader>, method: string | null, name: string, service: string | null, sortPriority: number,
+/**
+ * Server URL (http for plaintext or https for secure)
+ */
+url: string, settingValidateCertificates: InheritedBoolSetting, settingRequestMessageSize: InheritedIntSetting, };
 
-export type HttpRequest = {
-  model: "http_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  body: Record<string, any>;
-  bodyType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  method: string;
-  name: string;
-  sortPriority: number;
-  url: string;
-  /**
-   * URL parameters used for both path placeholders (`:id`) and query string entries.
-   */
-  urlParameters: Array<HttpUrlParameter>;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingFollowRedirects: InheritedBoolSetting;
-  settingRequestTimeout: InheritedIntSetting;
-  settingHttpVersion: InheritedHttpVersionSetting;
-};
+export type HttpRequest = { model: "http_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, body: Record<string, any>, bodyType: string | null, description: string, headers: Array<HttpRequestHeader>, assertions: HttpAssertions, method: string, name: string, sortPriority: number, url: string,
+/**
+ * URL parameters used for both path placeholders (`:id`) and query string entries.
+ */
+urlParameters: Array<HttpUrlParameter>, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingFollowRedirects: InheritedBoolSetting, settingRequestTimeout: InheritedIntSetting, settingHttpVersion: InheritedHttpVersionSetting, };
 
-export type HttpRequestHeader = { enabled?: boolean; name: string; value: string; id?: string };
+export type HttpRequestHeader = { enabled?: boolean, name: string, value: string, id?: string, };
 
-export type HttpResponse = {
-  model: "http_response";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  contentLength: number | null;
-  contentLengthCompressed: number | null;
-  elapsed: number;
-  elapsedHeaders: number;
-  elapsedDns: number;
-  error: string | null;
-  headers: Array<HttpResponseHeader>;
-  remoteAddr: string | null;
-  requestContentLength: number | null;
-  requestHeaders: Array<HttpResponseHeader>;
-  status: number;
-  statusReason: string | null;
-  state: HttpResponseState;
-  url: string;
-  version: string | null;
-};
+export type HttpResponse = { model: "http_response", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, contentLength: number | null, contentLengthCompressed: number | null, elapsed: number, elapsedHeaders: number, elapsedDns: number, error: string | null, assertionResults: AssertionReport | null, headers: Array<HttpResponseHeader>, remoteAddr: string | null, requestContentLength: number | null, requestHeaders: Array<HttpResponseHeader>, status: number, statusReason: string | null, state: HttpResponseState, url: string, version: string | null, };
 
-export type HttpResponseEvent = {
-  model: "http_response_event";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  responseId: string;
-  event: HttpResponseEventData;
-};
+export type HttpResponseEvent = { model: "http_response_event", id: string, createdAt: string, updatedAt: string, workspaceId: string, responseId: string, event: HttpResponseEventData, };
 
 /**
  * Serializable representation of HTTP response events for DB storage.
  * This mirrors `yaak_http::sender::HttpResponseEvent` but with serde support.
  * The `From` impl is in yaak-http to avoid circular dependencies.
  */
-export type HttpResponseEventData =
-  | {
-      type: "setting";
-      name: string;
-      value: string;
-      source_model?: string;
-      source_id?: string;
-      source_name?: string;
-    }
-  | { type: "info"; message: string }
-  | {
-      type: "redirect";
-      url: string;
-      status: number;
-      behavior: string;
-      dropped_body: boolean;
-      dropped_headers: Array<string>;
-    }
-  | {
-      type: "send_url";
-      method: string;
-      scheme: string;
-      username: string;
-      password: string;
-      host: string;
-      port: number;
-      path: string;
-      query: string;
-      fragment: string;
-    }
-  | { type: "receive_url"; version: string; status: string }
-  | { type: "header_up"; name: string; value: string }
-  | { type: "header_down"; name: string; value: string }
-  | { type: "chunk_sent"; bytes: number }
-  | { type: "chunk_received"; bytes: number }
-  | {
-      type: "dns_resolved";
-      hostname: string;
-      addresses: Array<string>;
-      duration: bigint;
-      overridden: boolean;
-    };
+export type HttpResponseEventData = { "type": "setting", name: string, value: string, source_model?: string, source_id?: string, source_name?: string, } | { "type": "info", message: string, } | { "type": "redirect", url: string, status: number, behavior: string, dropped_body: boolean, dropped_headers: Array<string>, } | { "type": "send_url", method: string, scheme: string, username: string, password: string, host: string, port: number, path: string, query: string, fragment: string, } | { "type": "receive_url", version: string, status: string, } | { "type": "header_up", name: string, value: string, } | { "type": "header_down", name: string, value: string, } | { "type": "chunk_sent", bytes: number, } | { "type": "chunk_received", bytes: number, } | { "type": "dns_resolved", hostname: string, addresses: Array<string>, duration: bigint, overridden: boolean, };
 
-export type HttpResponseHeader = { name: string; value: string };
+export type HttpResponseHeader = { name: string, value: string, };
 
 export type HttpResponseState = "initialized" | "connected" | "closed";
 
@@ -312,269 +77,79 @@ export type HttpResponseState = "initialized" | "connected" | "closed";
  * (which model each came from) left behind in [`ResolvedHttpRequestSettings`]. This is what
  * crosses from a tab to the Yaak server, and what the server reads.
  */
-export type HttpSendSettings = {
-  validateCertificates: boolean;
-  followRedirects: boolean;
-  /**
-   * Milliseconds. Zero or negative means no timeout.
-   */
-  timeoutMs: number;
-  sendCookies: boolean;
-  storeCookies: boolean;
-  httpVersion: HttpVersion;
-};
+export type HttpSendSettings = { validateCertificates: boolean, followRedirects: boolean,
+/**
+ * Milliseconds. Zero or negative means no timeout.
+ */
+timeoutMs: number, sendCookies: boolean, storeCookies: boolean, httpVersion: HttpVersion, };
 
-export type HttpUrlParameter = {
-  enabled?: boolean;
-  /**
-   * Colon-prefixed parameters are treated as path parameters if they match, like `/users/:id`
-   * Other entries are appended as query parameters
-   */
-  name: string;
-  value: string;
-  id?: string;
-};
+export type HttpUrlParameter = { enabled?: boolean,
+/**
+ * Colon-prefixed parameters are treated as path parameters if they match, like `/users/:id`
+ * Other entries are appended as query parameters
+ */
+name: string, value: string, id?: string, };
 
 export type HttpVersion = "auto" | "http1" | "http2";
 
-export type ImportSource = {
-  model: "import_source";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  importer: string;
-  origin: string;
-  originLabel: string;
-  lastImportedAt: string;
-};
+export type ImportSource = { model: "import_source", id: string, createdAt: string, updatedAt: string, workspaceId: string, importer: string, origin: string, originLabel: string, lastImportedAt: string, };
 
-export type ImportSourceResource = {
-  model: "import_source_resource";
-  createdAt: string;
-  updatedAt: string;
-  importSourceId: string;
-  sourceKey: string;
-  modelType: string;
-  /**
-   * `None` once the user has decided not to import this key
-   */
-  modelId?: string;
-  /**
-   * Hash of the resource as last applied or decided from the source, if one was recorded
-   */
-  contentHash?: string;
-};
+export type ImportSourceResource = { model: "import_source_resource", createdAt: string, updatedAt: string, importSourceId: string, sourceKey: string, modelType: string,
+/**
+ * `None` once the user has decided not to import this key
+ */
+modelId?: string,
+/**
+ * Hash of the resource as last applied or decided from the source, if one was recorded
+ */
+contentHash?: string, };
 
-export type InheritedBoolSetting = { enabled?: boolean; value: boolean };
+export type InheritedBoolSetting = { enabled?: boolean, value: boolean, };
 
-export type InheritedHttpVersionSetting = { enabled?: boolean; value: HttpVersion };
+export type InheritedHttpVersionSetting = { enabled?: boolean, value: HttpVersion, };
 
-export type InheritedIntSetting = { enabled?: boolean; value: number };
+export type InheritedIntSetting = { enabled?: boolean, value: number, };
 
-export type KeyValue = {
-  model: "key_value";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  key: string;
-  namespace: string;
-  value: string;
-};
+export type KeyValue = { model: "key_value", id: string, createdAt: string, updatedAt: string, key: string, namespace: string, value: string, };
 
-export type ModelPayload = {
-  model: AnyModel;
-  updateSource: UpdateSource;
-  change: ModelChangeEvent;
-};
+export type ModelPayload = { model: AnyModel, updateSource: UpdateSource, change: ModelChangeEvent, };
 
-export type ParentAuthentication = {
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-};
+export type ParentAuthentication = { authentication: Record<string, any>, authenticationType: string | null, };
 
-export type ParentHeaders = { headers: Array<HttpRequestHeader> };
+export type ParentHeaders = { headers: Array<HttpRequestHeader>, };
 
-export type Plugin = {
-  model: "plugin";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  checkedAt: string | null;
-  directory: string;
-  enabled: boolean;
-  url: string | null;
-  source: PluginSource;
-};
+export type Plugin = { model: "plugin", id: string, createdAt: string, updatedAt: string, checkedAt: string | null, directory: string, enabled: boolean, url: string | null, source: PluginSource, };
 
-export type PluginKeyValue = {
-  model: "plugin_key_value";
-  createdAt: string;
-  updatedAt: string;
-  pluginName: string;
-  key: string;
-  value: string;
-};
+export type PluginKeyValue = { model: "plugin_key_value", createdAt: string, updatedAt: string, pluginName: string, key: string, value: string, };
 
 export type PluginSource = "bundled" | "filesystem" | "registry";
 
-export type ProxySetting =
-  | {
-      type: "enabled";
-      http: string;
-      https: string;
-      auth: ProxySettingAuth | null;
-      bypass: string;
-      disabled: boolean;
-    }
-  | { type: "disabled" };
+export type ProxySetting = { "type": "enabled", http: string, https: string, auth: ProxySettingAuth | null, bypass: string, disabled: boolean, } | { "type": "disabled" };
 
-export type ProxySettingAuth = { user: string; password: string };
+export type ProxySettingAuth = { user: string, password: string, };
 
-export type Settings = {
-  model: "settings";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  appearance: string;
-  clientCertificates: Array<ClientCertificate>;
-  coloredMethods: boolean;
-  editorFont: string | null;
-  editorFontSize: number;
-  editorKeymap: EditorKeymap;
-  editorSoftWrap: boolean;
-  hideWindowControls: boolean;
-  useNativeTitlebar: boolean;
-  interfaceFont: string | null;
-  interfaceFontSize: number;
-  interfaceScale: number;
-  openWorkspaceNewWindow: boolean | null;
-  proxy: ProxySetting | null;
-  themeDark: string;
-  themeLight: string;
-  updateChannel: string;
-  hideLicenseBadge: boolean;
-  promptFeedback: boolean;
-  autoupdate: boolean;
-  autoDownloadUpdates: boolean;
-  checkNotifications: boolean;
-  hotkeys: { [key in string]?: Array<string> };
-};
+export type Settings = { model: "settings", id: string, createdAt: string, updatedAt: string, appearance: string, clientCertificates: Array<ClientCertificate>, coloredMethods: boolean, editorFont: string | null, editorFontSize: number, editorKeymap: EditorKeymap, editorSoftWrap: boolean, hideWindowControls: boolean, useNativeTitlebar: boolean, interfaceFont: string | null, interfaceFontSize: number, interfaceScale: number, openWorkspaceNewWindow: boolean | null, proxy: ProxySetting | null, themeDark: string, themeLight: string, updateChannel: string, hideLicenseBadge: boolean, promptFeedback: boolean, autoupdate: boolean, autoDownloadUpdates: boolean, checkNotifications: boolean, hotkeys: { [key in string]?: Array<string> }, };
 
-export type SyncState = {
-  model: "sync_state";
-  id: string;
-  workspaceId: string;
-  createdAt: string;
-  updatedAt: string;
-  flushedAt: string;
-  modelId: string;
-  checksum: string;
-  relPath: string;
-  syncDir: string;
-};
+export type SyncState = { model: "sync_state", id: string, workspaceId: string, createdAt: string, updatedAt: string, flushedAt: string, modelId: string, checksum: string, relPath: string, syncDir: string, };
 
-export type UpdateSource =
-  | { type: "background" }
-  | { type: "import" }
-  | { type: "plugin" }
-  | { type: "sync" }
-  | { type: "window"; label: string };
+export type UpdateSource = { "type": "background" } | { "type": "import" } | { "type": "plugin" } | { "type": "sync" } | { "type": "window", label: string, };
 
-export type WebsocketConnection = {
-  model: "websocket_connection";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  elapsed: number;
-  error: string | null;
-  headers: Array<HttpResponseHeader>;
-  state: WebsocketConnectionState;
-  status: number;
-  url: string;
-};
+export type WebsocketConnection = { model: "websocket_connection", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, elapsed: number, error: string | null, headers: Array<HttpResponseHeader>, state: WebsocketConnectionState, status: number, url: string, };
 
 export type WebsocketConnectionState = "initialized" | "connected" | "closing" | "closed";
 
-export type WebsocketEvent = {
-  model: "websocket_event";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  connectionId: string;
-  isServer: boolean;
-  message: Array<number>;
-  messageType: WebsocketEventType;
-};
+export type WebsocketEvent = { model: "websocket_event", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, connectionId: string, isServer: boolean, message: Array<number>, messageType: WebsocketEventType, };
 
-export type WebsocketEventType =
-  | "binary"
-  | "close"
-  | "error"
-  | "frame"
-  | "open"
-  | "ping"
-  | "pong"
-  | "text";
+export type WebsocketEventType = "binary" | "close" | "error" | "frame" | "open" | "ping" | "pong" | "text";
 
 export type WebsocketMessageType = "text" | "binary";
 
-export type WebsocketRequest = {
-  model: "websocket_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  message: string;
-  name: string;
-  sortPriority: number;
-  url: string;
-  /**
-   * URL parameters used for both path placeholders (`:id`) and query string entries.
-   */
-  urlParameters: Array<HttpUrlParameter>;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-};
+export type WebsocketRequest = { model: "websocket_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, message: string, name: string, sortPriority: number, url: string,
+/**
+ * URL parameters used for both path placeholders (`:id`) and query string entries.
+ */
+urlParameters: Array<HttpUrlParameter>, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingRequestMessageSize: InheritedIntSetting, };
 
-export type Workspace = {
-  model: "workspace";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  name: string;
-  encryptionKeyChallenge: string | null;
-  settingValidateCertificates: boolean;
-  settingFollowRedirects: boolean;
-  settingRequestTimeout: number;
-  settingRequestMessageSize: number;
-  settingDnsOverrides: Array<DnsOverride>;
-  settingSendCookies: boolean;
-  settingStoreCookies: boolean;
-  settingHttpVersion: HttpVersion;
-};
+export type Workspace = { model: "workspace", id: string, createdAt: string, updatedAt: string, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, name: string, encryptionKeyChallenge: string | null, settingValidateCertificates: boolean, settingFollowRedirects: boolean, settingRequestTimeout: number, settingRequestMessageSize: number, settingDnsOverrides: Array<DnsOverride>, settingSendCookies: boolean, settingStoreCookies: boolean, settingHttpVersion: HttpVersion, };
 
-export type WorkspaceMeta = {
-  model: "workspace_meta";
-  id: string;
-  workspaceId: string;
-  createdAt: string;
-  updatedAt: string;
-  encryptionKey: EncryptedKey | null;
-  settingSyncDir: string | null;
-};
+export type WorkspaceMeta = { model: "workspace_meta", id: string, workspaceId: string, createdAt: string, updatedAt: string, encryptionKey: EncryptedKey | null, settingSyncDir: string | null, };

crates/yaak-models/bindings/serde_json/JsonValue.ts

@@ -0,0 +1,3 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type JsonValue = number | string | boolean | Array<JsonValue> | { [key in string]?: JsonValue } | null;

crates/yaak-models/guest-js/index.ts

@@ -1,6 +1,7 @@
 import { AnyModel } from "../bindings/gen_models";
 
 export * from "../bindings/gen_models";
+export * from "../bindings/gen_assertions";
 export * from "../bindings/gen_util";
 export * from "./store";
 export * from "./atoms";

crates/yaak-models/migrations/20260923000000_assertions.sql

@@ -0,0 +1,2 @@
+ALTER TABLE http_requests ADD COLUMN assertions TEXT NOT NULL DEFAULT '{"version":1,"checks":[]}';
+ALTER TABLE http_responses ADD COLUMN assertion_results TEXT;

crates/yaak-models/src/models.rs

@@ -18,6 +18,7 @@ use std::collections::HashMap;
 use std::fmt::{Debug, Display};
 use std::str::FromStr;
 use ts_rs::TS;
+pub use yaak_assertions::{AssertionReport, AssertionResult, HttpAssertion, HttpAssertions};
 use yaak_database::{Result as DbResult, UpdateSource};
 pub use yaak_database::{UpsertModelInfo, upsert_date};
 
@@ -1334,6 +1335,7 @@ impl Default for HttpRequest {
             body_type: None,
             description: String::new(),
             headers: Vec::new(),
+            assertions: HttpAssertions::default(),
             method: "GET".to_string(),
             name: String::new(),
             sort_priority: 0.0,
@@ -1370,6 +1372,8 @@ pub struct HttpRequest {
     pub body_type: Option<String>,
     pub description: String,
     pub headers: Vec<HttpRequestHeader>,
+    #[serde(skip_serializing_if = "HttpAssertions::is_empty")]
+    pub assertions: HttpAssertions,
     pub method: String,
     pub name: String,
     pub sort_priority: f64,
@@ -1424,6 +1428,7 @@ impl UpsertModelInfo for HttpRequest {
             (Authentication, serde_json::to_string(&self.authentication)?.into()),
             (AuthenticationType, self.authentication_type.into()),
             (Headers, serde_json::to_string(&self.headers)?.into()),
+            (HttpRequestIden::Assertions, serde_json::to_string(&self.assertions)?.into()),
             (SortPriority, self.sort_priority.into()),
             (SettingSendCookies, serde_json::to_string(&self.setting_send_cookies)?.into()),
             (SettingStoreCookies, serde_json::to_string(&self.setting_store_cookies)?.into()),
@@ -1446,6 +1451,7 @@ impl UpsertModelInfo for HttpRequest {
             FolderId,
             Method,
             Headers,
+            HttpRequestIden::Assertions,
             Body,
             BodyType,
             Authentication,
@@ -1486,6 +1492,15 @@ impl UpsertModelInfo for HttpRequest {
             description: row.get("description")?,
             folder_id: row.get("folder_id")?,
             headers: serde_json::from_str(headers.as_str()).unwrap_or_default(),
+            assertions: serde_json::from_str(&row.get::<_, String>("assertions")?).map_err(
+                |e| {
+                    rusqlite::Error::FromSqlConversionFailure(
+                        0,
+                        rusqlite::types::Type::Text,
+                        Box::new(e),
+                    )
+                },
+            )?,
             method: row.get("method")?,
             name: row.get("name")?,
             sort_priority: row.get("sort_priority")?,
@@ -1956,6 +1971,7 @@ pub struct HttpResponse {
     pub elapsed_headers: i32,
     pub elapsed_dns: i32,
     pub error: Option<String>,
+    pub assertion_results: Option<AssertionReport>,
     pub headers: Vec<HttpResponseHeader>,
     pub remote_addr: Option<String>,
     pub request_content_length: Option<i32>,
@@ -2005,6 +2021,10 @@ impl UpsertModelInfo for HttpResponse {
             (ElapsedHeaders, self.elapsed_headers.into()),
             (ElapsedDns, self.elapsed_dns.into()),
             (Error, self.error.into()),
+            (
+                AssertionResults,
+                self.assertion_results.map(|r| serde_json::to_string(&r)).transpose()?.into(),
+            ),
             (Headers, serde_json::to_string(&self.headers)?.into()),
             (RemoteAddr, self.remote_addr.into()),
             (RequestHeaders, serde_json::to_string(&self.request_headers)?.into()),
@@ -2027,6 +2047,7 @@ impl UpsertModelInfo for HttpResponse {
             HttpResponseIden::ElapsedHeaders,
             HttpResponseIden::ElapsedDns,
             HttpResponseIden::Error,
+            HttpResponseIden::AssertionResults,
             HttpResponseIden::Headers,
             HttpResponseIden::RemoteAddr,
             HttpResponseIden::RequestContentLength,
@@ -2053,6 +2074,17 @@ impl UpsertModelInfo for HttpResponse {
             created_at: r.get("created_at")?,
             updated_at: r.get("updated_at")?,
             error: r.get("error")?,
+            assertion_results: r
+                .get::<_, Option<String>>("assertion_results")?
+                .map(|v| serde_json::from_str(&v))
+                .transpose()
+                .map_err(|e| {
+                    rusqlite::Error::FromSqlConversionFailure(
+                        0,
+                        rusqlite::types::Type::Text,
+                        Box::new(e),
+                    )
+                })?,
             url: r.get("url")?,
             content_length: r.get("content_length")?,
             content_length_compressed: r.get("content_length_compressed").unwrap_or_default(),

crates/yaak-plugins/bindings/gen_assertions.ts

@@ -0,0 +1,14 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { JsonValue } from "./serde_json/JsonValue";
+
+export type AssertionReport = { definition: HttpAssertions, results: Array<AssertionResult>, error: string | null, };
+
+export type AssertionResult = { assertionId: string, outcome: string, reason: string, actual: JsonValue | null, };
+
+/**
+ * Strings intentionally retain unknown operators/types so they fail validation, rather than
+ * disappearing during import or being treated as an empty, passing collection.
+ */
+export type HttpAssertion = { id: string, enabled: boolean, target: string, selector: string, operator: string, expected: string, expectedType: string, };
+
+export type HttpAssertions = { version: number, checks: Array<HttpAssertion>, };

crates/yaak-plugins/bindings/gen_models.ts

@@ -1,514 +1,121 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { AssertionReport, HttpAssertions } from "./gen_assertions";
 
-export type AnyModel =
-  | CookieJar
-  | Environment
-  | Folder
-  | GraphQlIntrospection
-  | GrpcConnection
-  | GrpcEvent
-  | GrpcRequest
-  | HttpRequest
-  | HttpResponse
-  | HttpResponseEvent
-  | ImportSource
-  | KeyValue
-  | Plugin
-  | Settings
-  | SyncState
-  | WebsocketConnection
-  | WebsocketEvent
-  | WebsocketRequest
-  | Workspace
-  | WorkspaceMeta;
+export type AnyModel = CookieJar | Environment | Folder | GraphQlIntrospection | GrpcConnection | GrpcEvent | GrpcRequest | HttpRequest | HttpResponse | HttpResponseEvent | ImportSource | KeyValue | Plugin | Settings | SyncState | WebsocketConnection | WebsocketEvent | WebsocketRequest | Workspace | WorkspaceMeta;
 
-export type ClientCertificate = {
-  host: string;
-  port: number | null;
-  crtFile: string | null;
-  keyFile: string | null;
-  pfxFile: string | null;
-  passphrase: string | null;
-  enabled?: boolean;
-};
+export type ClientCertificate = { host: string, port: number | null, crtFile: string | null, keyFile: string | null, pfxFile: string | null, passphrase: string | null, enabled?: boolean, };
 
-export type Cookie = {
-  name: string;
-  value: string;
-  domain: CookieDomain;
-  expires: CookieExpires;
-  path: string;
-  secure: boolean;
-  httpOnly: boolean;
-  sameSite: CookieSameSite | null;
-};
+export type Cookie = { name: string, value: string, domain: CookieDomain, expires: CookieExpires, path: string, secure: boolean, httpOnly: boolean, sameSite: CookieSameSite | null, };
 
-export type CookieDomain = { HostOnly: string } | { Suffix: string } | "NotPresent" | "Empty";
+export type CookieDomain = { "HostOnly": string } | { "Suffix": string } | "NotPresent" | "Empty";
 
-export type CookieExpires = { AtUtc: string } | "SessionEnd";
+export type CookieExpires = { "AtUtc": string } | "SessionEnd";
 
-export type CookieJar = {
-  model: "cookie_jar";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  cookies: Array<Cookie>;
-  name: string;
-};
+export type CookieJar = { model: "cookie_jar", id: string, createdAt: string, updatedAt: string, workspaceId: string, cookies: Array<Cookie>, name: string, };
 
 export type CookieSameSite = "Strict" | "Lax" | "None";
 
-export type DnsOverride = {
-  hostname: string;
-  ipv4: Array<string>;
-  ipv6: Array<string>;
-  enabled?: boolean;
-};
+export type DnsOverride = { hostname: string, ipv4: Array<string>, ipv6: Array<string>, enabled?: boolean, };
 
 export type EditorKeymap = "default" | "vim" | "vscode" | "emacs";
 
-export type EncryptedKey = { encryptedKey: string };
+export type EncryptedKey = { encryptedKey: string, };
 
-export type Environment = {
-  model: "environment";
-  id: string;
-  workspaceId: string;
-  createdAt: string;
-  updatedAt: string;
-  name: string;
-  public: boolean;
-  parentModel: string;
-  parentId: string | null;
-  /**
-   * Variables defined in this environment scope.
-   * Child environments override parent variables by name.
-   */
-  variables: Array<EnvironmentVariable>;
-  color: string | null;
-  sortPriority: number;
-};
+export type Environment = { model: "environment", id: string, workspaceId: string, createdAt: string, updatedAt: string, name: string, public: boolean, parentModel: string, parentId: string | null,
+/**
+ * Variables defined in this environment scope.
+ * Child environments override parent variables by name.
+ */
+variables: Array<EnvironmentVariable>, color: string | null, sortPriority: number, };
 
-export type EnvironmentVariable = { enabled?: boolean; name: string; value: string; id?: string };
+export type EnvironmentVariable = { enabled?: boolean, name: string, value: string, id?: string, };
 
-export type Folder = {
-  model: "folder";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  name: string;
-  sortPriority: number;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingFollowRedirects: InheritedBoolSetting;
-  settingRequestTimeout: InheritedIntSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-  settingHttpVersion: InheritedHttpVersionSetting;
-};
+export type Folder = { model: "folder", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, name: string, sortPriority: number, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingFollowRedirects: InheritedBoolSetting, settingRequestTimeout: InheritedIntSetting, settingRequestMessageSize: InheritedIntSetting, settingHttpVersion: InheritedHttpVersionSetting, };
 
-export type GraphQlIntrospection = {
-  model: "graphql_introspection";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  content: string | null;
-};
+export type GraphQlIntrospection = { model: "graphql_introspection", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, content: string | null, };
 
-export type GrpcConnection = {
-  model: "grpc_connection";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  elapsed: number;
-  error: string | null;
-  method: string;
-  service: string;
-  status: number;
-  state: GrpcConnectionState;
-  trailers: { [key in string]?: string };
-  url: string;
-};
+export type GrpcConnection = { model: "grpc_connection", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, elapsed: number, error: string | null, method: string, service: string, status: number, state: GrpcConnectionState, trailers: { [key in string]?: string }, url: string, };
 
 export type GrpcConnectionState = "initialized" | "connected" | "closed";
 
-export type GrpcEvent = {
-  model: "grpc_event";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  connectionId: string;
-  content: string;
-  error: string | null;
-  eventType: GrpcEventType;
-  metadata: { [key in string]?: string };
-  status: number | null;
-};
+export type GrpcEvent = { model: "grpc_event", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, connectionId: string, content: string, error: string | null, eventType: GrpcEventType, metadata: { [key in string]?: string }, status: number | null, };
 
-export type GrpcEventType =
-  | "info"
-  | "error"
-  | "client_message"
-  | "server_message"
-  | "connection_start"
-  | "connection_end";
+export type GrpcEventType = "info" | "error" | "client_message" | "server_message" | "connection_start" | "connection_end";
 
-export type GrpcRequest = {
-  model: "grpc_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authenticationType: string | null;
-  authentication: Record<string, any>;
-  description: string;
-  message: string;
-  metadata: Array<HttpRequestHeader>;
-  method: string | null;
-  name: string;
-  service: string | null;
-  sortPriority: number;
-  /**
-   * Server URL (http for plaintext or https for secure)
-   */
-  url: string;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-};
+export type GrpcRequest = { model: "grpc_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authenticationType: string | null, authentication: Record<string, any>, description: string, message: string, metadata: Array<HttpRequestHeader>, method: string | null, name: string, service: string | null, sortPriority: number,
+/**
+ * Server URL (http for plaintext or https for secure)
+ */
+url: string, settingValidateCertificates: InheritedBoolSetting, settingRequestMessageSize: InheritedIntSetting, };
 
-export type HttpRequest = {
-  model: "http_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  body: Record<string, any>;
-  bodyType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  method: string;
-  name: string;
-  sortPriority: number;
-  url: string;
-  /**
-   * URL parameters used for both path placeholders (`:id`) and query string entries.
-   */
-  urlParameters: Array<HttpUrlParameter>;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingFollowRedirects: InheritedBoolSetting;
-  settingRequestTimeout: InheritedIntSetting;
-  settingHttpVersion: InheritedHttpVersionSetting;
-};
+export type HttpRequest = { model: "http_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, body: Record<string, any>, bodyType: string | null, description: string, headers: Array<HttpRequestHeader>, assertions: HttpAssertions, method: string, name: string, sortPriority: number, url: string,
+/**
+ * URL parameters used for both path placeholders (`:id`) and query string entries.
+ */
+urlParameters: Array<HttpUrlParameter>, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingFollowRedirects: InheritedBoolSetting, settingRequestTimeout: InheritedIntSetting, settingHttpVersion: InheritedHttpVersionSetting, };
 
-export type HttpRequestHeader = { enabled?: boolean; name: string; value: string; id?: string };
+export type HttpRequestHeader = { enabled?: boolean, name: string, value: string, id?: string, };
 
-export type HttpResponse = {
-  model: "http_response";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  contentLength: number | null;
-  contentLengthCompressed: number | null;
-  elapsed: number;
-  elapsedHeaders: number;
-  elapsedDns: number;
-  error: string | null;
-  headers: Array<HttpResponseHeader>;
-  remoteAddr: string | null;
-  requestContentLength: number | null;
-  requestHeaders: Array<HttpResponseHeader>;
-  status: number;
-  statusReason: string | null;
-  state: HttpResponseState;
-  url: string;
-  version: string | null;
-};
+export type HttpResponse = { model: "http_response", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, contentLength: number | null, contentLengthCompressed: number | null, elapsed: number, elapsedHeaders: number, elapsedDns: number, error: string | null, assertionResults: AssertionReport | null, headers: Array<HttpResponseHeader>, remoteAddr: string | null, requestContentLength: number | null, requestHeaders: Array<HttpResponseHeader>, status: number, statusReason: string | null, state: HttpResponseState, url: string, version: string | null, };
 
-export type HttpResponseEvent = {
-  model: "http_response_event";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  responseId: string;
-  event: HttpResponseEventData;
-};
+export type HttpResponseEvent = { model: "http_response_event", id: string, createdAt: string, updatedAt: string, workspaceId: string, responseId: string, event: HttpResponseEventData, };
 
 /**
  * Serializable representation of HTTP response events for DB storage.
  * This mirrors `yaak_http::sender::HttpResponseEvent` but with serde support.
  * The `From` impl is in yaak-http to avoid circular dependencies.
  */
-export type HttpResponseEventData =
-  | {
-      type: "setting";
-      name: string;
-      value: string;
-      source_model?: string;
-      source_id?: string;
-      source_name?: string;
-    }
-  | { type: "info"; message: string }
-  | {
-      type: "redirect";
-      url: string;
-      status: number;
-      behavior: string;
-      dropped_body: boolean;
-      dropped_headers: Array<string>;
-    }
-  | {
-      type: "send_url";
-      method: string;
-      scheme: string;
-      username: string;
-      password: string;
-      host: string;
-      port: number;
-      path: string;
-      query: string;
-      fragment: string;
-    }
-  | { type: "receive_url"; version: string; status: string }
-  | { type: "header_up"; name: string; value: string }
-  | { type: "header_down"; name: string; value: string }
-  | { type: "chunk_sent"; bytes: number }
-  | { type: "chunk_received"; bytes: number }
-  | {
-      type: "dns_resolved";
-      hostname: string;
-      addresses: Array<string>;
-      duration: bigint;
-      overridden: boolean;
-    };
+export type HttpResponseEventData = { "type": "setting", name: string, value: string, source_model?: string, source_id?: string, source_name?: string, } | { "type": "info", message: string, } | { "type": "redirect", url: string, status: number, behavior: string, dropped_body: boolean, dropped_headers: Array<string>, } | { "type": "send_url", method: string, scheme: string, username: string, password: string, host: string, port: number, path: string, query: string, fragment: string, } | { "type": "receive_url", version: string, status: string, } | { "type": "header_up", name: string, value: string, } | { "type": "header_down", name: string, value: string, } | { "type": "chunk_sent", bytes: number, } | { "type": "chunk_received", bytes: number, } | { "type": "dns_resolved", hostname: string, addresses: Array<string>, duration: bigint, overridden: boolean, };
 
-export type HttpResponseHeader = { name: string; value: string };
+export type HttpResponseHeader = { name: string, value: string, };
 
 export type HttpResponseState = "initialized" | "connected" | "closed";
 
-export type HttpUrlParameter = {
-  enabled?: boolean;
-  /**
-   * Colon-prefixed parameters are treated as path parameters if they match, like `/users/:id`
-   * Other entries are appended as query parameters
-   */
-  name: string;
-  value: string;
-  id?: string;
-};
+export type HttpUrlParameter = { enabled?: boolean,
+/**
+ * Colon-prefixed parameters are treated as path parameters if they match, like `/users/:id`
+ * Other entries are appended as query parameters
+ */
+name: string, value: string, id?: string, };
 
 export type HttpVersion = "auto" | "http1" | "http2";
 
-export type ImportSource = {
-  model: "import_source";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  importer: string;
-  origin: string;
-  originLabel: string;
-  lastImportedAt: string;
-};
+export type ImportSource = { model: "import_source", id: string, createdAt: string, updatedAt: string, workspaceId: string, importer: string, origin: string, originLabel: string, lastImportedAt: string, };
 
-export type InheritedBoolSetting = { enabled?: boolean; value: boolean };
+export type InheritedBoolSetting = { enabled?: boolean, value: boolean, };
 
-export type InheritedHttpVersionSetting = { enabled?: boolean; value: HttpVersion };
+export type InheritedHttpVersionSetting = { enabled?: boolean, value: HttpVersion, };
 
-export type InheritedIntSetting = { enabled?: boolean; value: number };
+export type InheritedIntSetting = { enabled?: boolean, value: number, };
 
-export type KeyValue = {
-  model: "key_value";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  key: string;
-  namespace: string;
-  value: string;
-};
+export type KeyValue = { model: "key_value", id: string, createdAt: string, updatedAt: string, key: string, namespace: string, value: string, };
 
-export type Plugin = {
-  model: "plugin";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  checkedAt: string | null;
-  directory: string;
-  enabled: boolean;
-  url: string | null;
-  source: PluginSource;
-};
+export type Plugin = { model: "plugin", id: string, createdAt: string, updatedAt: string, checkedAt: string | null, directory: string, enabled: boolean, url: string | null, source: PluginSource, };
 
 export type PluginSource = "bundled" | "filesystem" | "registry";
 
-export type ProxySetting =
-  | {
-      type: "enabled";
-      http: string;
-      https: string;
-      auth: ProxySettingAuth | null;
-      bypass: string;
-      disabled: boolean;
-    }
-  | { type: "disabled" };
+export type ProxySetting = { "type": "enabled", http: string, https: string, auth: ProxySettingAuth | null, bypass: string, disabled: boolean, } | { "type": "disabled" };
 
-export type ProxySettingAuth = { user: string; password: string };
+export type ProxySettingAuth = { user: string, password: string, };
 
-export type Settings = {
-  model: "settings";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  appearance: string;
-  clientCertificates: Array<ClientCertificate>;
-  coloredMethods: boolean;
-  editorFont: string | null;
-  editorFontSize: number;
-  editorKeymap: EditorKeymap;
-  editorSoftWrap: boolean;
-  hideWindowControls: boolean;
-  useNativeTitlebar: boolean;
-  interfaceFont: string | null;
-  interfaceFontSize: number;
-  interfaceScale: number;
-  openWorkspaceNewWindow: boolean | null;
-  proxy: ProxySetting | null;
-  themeDark: string;
-  themeLight: string;
-  updateChannel: string;
-  hideLicenseBadge: boolean;
-  promptFeedback: boolean;
-  autoupdate: boolean;
-  autoDownloadUpdates: boolean;
-  checkNotifications: boolean;
-  hotkeys: { [key in string]?: Array<string> };
-};
+export type Settings = { model: "settings", id: string, createdAt: string, updatedAt: string, appearance: string, clientCertificates: Array<ClientCertificate>, coloredMethods: boolean, editorFont: string | null, editorFontSize: number, editorKeymap: EditorKeymap, editorSoftWrap: boolean, hideWindowControls: boolean, useNativeTitlebar: boolean, interfaceFont: string | null, interfaceFontSize: number, interfaceScale: number, openWorkspaceNewWindow: boolean | null, proxy: ProxySetting | null, themeDark: string, themeLight: string, updateChannel: string, hideLicenseBadge: boolean, promptFeedback: boolean, autoupdate: boolean, autoDownloadUpdates: boolean, checkNotifications: boolean, hotkeys: { [key in string]?: Array<string> }, };
 
-export type SyncState = {
-  model: "sync_state";
-  id: string;
-  workspaceId: string;
-  createdAt: string;
-  updatedAt: string;
-  flushedAt: string;
-  modelId: string;
-  checksum: string;
-  relPath: string;
-  syncDir: string;
-};
+export type SyncState = { model: "sync_state", id: string, workspaceId: string, createdAt: string, updatedAt: string, flushedAt: string, modelId: string, checksum: string, relPath: string, syncDir: string, };
 
-export type WebsocketConnection = {
-  model: "websocket_connection";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  elapsed: number;
-  error: string | null;
-  headers: Array<HttpResponseHeader>;
-  state: WebsocketConnectionState;
-  status: number;
-  url: string;
-};
+export type WebsocketConnection = { model: "websocket_connection", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, elapsed: number, error: string | null, headers: Array<HttpResponseHeader>, state: WebsocketConnectionState, status: number, url: string, };
 
 export type WebsocketConnectionState = "initialized" | "connected" | "closing" | "closed";
 
-export type WebsocketEvent = {
-  model: "websocket_event";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  requestId: string;
-  connectionId: string;
-  isServer: boolean;
-  message: Array<number>;
-  messageType: WebsocketEventType;
-};
+export type WebsocketEvent = { model: "websocket_event", id: string, createdAt: string, updatedAt: string, workspaceId: string, requestId: string, connectionId: string, isServer: boolean, message: Array<number>, messageType: WebsocketEventType, };
 
-export type WebsocketEventType =
-  | "binary"
-  | "close"
-  | "error"
-  | "frame"
-  | "open"
-  | "ping"
-  | "pong"
-  | "text";
+export type WebsocketEventType = "binary" | "close" | "error" | "frame" | "open" | "ping" | "pong" | "text";
 
-export type WebsocketRequest = {
-  model: "websocket_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  message: string;
-  name: string;
-  sortPriority: number;
-  url: string;
-  /**
-   * URL parameters used for both path placeholders (`:id`) and query string entries.
-   */
-  urlParameters: Array<HttpUrlParameter>;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-};
+export type WebsocketRequest = { model: "websocket_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, message: string, name: string, sortPriority: number, url: string,
+/**
+ * URL parameters used for both path placeholders (`:id`) and query string entries.
+ */
+urlParameters: Array<HttpUrlParameter>, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingRequestMessageSize: InheritedIntSetting, };
 
-export type Workspace = {
-  model: "workspace";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  name: string;
-  encryptionKeyChallenge: string | null;
-  settingValidateCertificates: boolean;
-  settingFollowRedirects: boolean;
-  settingRequestTimeout: number;
-  settingRequestMessageSize: number;
-  settingDnsOverrides: Array<DnsOverride>;
-  settingSendCookies: boolean;
-  settingStoreCookies: boolean;
-  settingHttpVersion: HttpVersion;
-};
+export type Workspace = { model: "workspace", id: string, createdAt: string, updatedAt: string, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, name: string, encryptionKeyChallenge: string | null, settingValidateCertificates: boolean, settingFollowRedirects: boolean, settingRequestTimeout: number, settingRequestMessageSize: number, settingDnsOverrides: Array<DnsOverride>, settingSendCookies: boolean, settingStoreCookies: boolean, settingHttpVersion: HttpVersion, };
 
-export type WorkspaceMeta = {
-  model: "workspace_meta";
-  id: string;
-  workspaceId: string;
-  createdAt: string;
-  updatedAt: string;
-  encryptionKey: EncryptedKey | null;
-  settingSyncDir: string | null;
-};
+export type WorkspaceMeta = { model: "workspace_meta", id: string, workspaceId: string, createdAt: string, updatedAt: string, encryptionKey: EncryptedKey | null, settingSyncDir: string | null, };

crates/yaak-sync/bindings/gen_assertions.ts

@@ -0,0 +1,9 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+/**
+ * Strings intentionally retain unknown operators/types so they fail validation, rather than
+ * disappearing during import or being treated as an empty, passing collection.
+ */
+export type HttpAssertion = { id: string, enabled: boolean, target: string, selector: string, operator: string, expected: string, expectedType: string, };
+
+export type HttpAssertions = { version: number, checks: Array<HttpAssertion>, };

crates/yaak-sync/bindings/gen_models.ts

@@ -1,192 +1,56 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { HttpAssertions } from "./gen_assertions";
 
-export type DnsOverride = {
-  hostname: string;
-  ipv4: Array<string>;
-  ipv6: Array<string>;
-  enabled?: boolean;
-};
+export type DnsOverride = { hostname: string, ipv4: Array<string>, ipv6: Array<string>, enabled?: boolean, };
 
-export type Environment = {
-  model: "environment";
-  id: string;
-  workspaceId: string;
-  createdAt: string;
-  updatedAt: string;
-  name: string;
-  public: boolean;
-  parentModel: string;
-  parentId: string | null;
-  /**
-   * Variables defined in this environment scope.
-   * Child environments override parent variables by name.
-   */
-  variables: Array<EnvironmentVariable>;
-  color: string | null;
-  sortPriority: number;
-};
+export type Environment = { model: "environment", id: string, workspaceId: string, createdAt: string, updatedAt: string, name: string, public: boolean, parentModel: string, parentId: string | null,
+/**
+ * Variables defined in this environment scope.
+ * Child environments override parent variables by name.
+ */
+variables: Array<EnvironmentVariable>, color: string | null, sortPriority: number, };
 
-export type EnvironmentVariable = { enabled?: boolean; name: string; value: string; id?: string };
+export type EnvironmentVariable = { enabled?: boolean, name: string, value: string, id?: string, };
 
-export type Folder = {
-  model: "folder";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  name: string;
-  sortPriority: number;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingFollowRedirects: InheritedBoolSetting;
-  settingRequestTimeout: InheritedIntSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-  settingHttpVersion: InheritedHttpVersionSetting;
-};
+export type Folder = { model: "folder", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, name: string, sortPriority: number, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingFollowRedirects: InheritedBoolSetting, settingRequestTimeout: InheritedIntSetting, settingRequestMessageSize: InheritedIntSetting, settingHttpVersion: InheritedHttpVersionSetting, };
 
-export type GrpcRequest = {
-  model: "grpc_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authenticationType: string | null;
-  authentication: Record<string, any>;
-  description: string;
-  message: string;
-  metadata: Array<HttpRequestHeader>;
-  method: string | null;
-  name: string;
-  service: string | null;
-  sortPriority: number;
-  /**
-   * Server URL (http for plaintext or https for secure)
-   */
-  url: string;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-};
+export type GrpcRequest = { model: "grpc_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authenticationType: string | null, authentication: Record<string, any>, description: string, message: string, metadata: Array<HttpRequestHeader>, method: string | null, name: string, service: string | null, sortPriority: number,
+/**
+ * Server URL (http for plaintext or https for secure)
+ */
+url: string, settingValidateCertificates: InheritedBoolSetting, settingRequestMessageSize: InheritedIntSetting, };
 
-export type HttpRequest = {
-  model: "http_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  body: Record<string, any>;
-  bodyType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  method: string;
-  name: string;
-  sortPriority: number;
-  url: string;
-  /**
-   * URL parameters used for both path placeholders (`:id`) and query string entries.
-   */
-  urlParameters: Array<HttpUrlParameter>;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingFollowRedirects: InheritedBoolSetting;
-  settingRequestTimeout: InheritedIntSetting;
-  settingHttpVersion: InheritedHttpVersionSetting;
-};
+export type HttpRequest = { model: "http_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, body: Record<string, any>, bodyType: string | null, description: string, headers: Array<HttpRequestHeader>, assertions: HttpAssertions, method: string, name: string, sortPriority: number, url: string,
+/**
+ * URL parameters used for both path placeholders (`:id`) and query string entries.
+ */
+urlParameters: Array<HttpUrlParameter>, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingFollowRedirects: InheritedBoolSetting, settingRequestTimeout: InheritedIntSetting, settingHttpVersion: InheritedHttpVersionSetting, };
 
-export type HttpRequestHeader = { enabled?: boolean; name: string; value: string; id?: string };
+export type HttpRequestHeader = { enabled?: boolean, name: string, value: string, id?: string, };
 
-export type HttpUrlParameter = {
-  enabled?: boolean;
-  /**
-   * Colon-prefixed parameters are treated as path parameters if they match, like `/users/:id`
-   * Other entries are appended as query parameters
-   */
-  name: string;
-  value: string;
-  id?: string;
-};
+export type HttpUrlParameter = { enabled?: boolean,
+/**
+ * Colon-prefixed parameters are treated as path parameters if they match, like `/users/:id`
+ * Other entries are appended as query parameters
+ */
+name: string, value: string, id?: string, };
 
 export type HttpVersion = "auto" | "http1" | "http2";
 
-export type InheritedBoolSetting = { enabled?: boolean; value: boolean };
+export type InheritedBoolSetting = { enabled?: boolean, value: boolean, };
 
-export type InheritedHttpVersionSetting = { enabled?: boolean; value: HttpVersion };
+export type InheritedHttpVersionSetting = { enabled?: boolean, value: HttpVersion, };
 
-export type InheritedIntSetting = { enabled?: boolean; value: number };
+export type InheritedIntSetting = { enabled?: boolean, value: number, };
 
-export type SyncModel =
-  | ({ type: "workspace" } & Workspace)
-  | ({ type: "environment" } & Environment)
-  | ({ type: "folder" } & Folder)
-  | ({ type: "http_request" } & HttpRequest)
-  | ({ type: "grpc_request" } & GrpcRequest)
-  | ({ type: "websocket_request" } & WebsocketRequest);
+export type SyncModel = { "type": "workspace" } & Workspace | { "type": "environment" } & Environment | { "type": "folder" } & Folder | { "type": "http_request" } & HttpRequest | { "type": "grpc_request" } & GrpcRequest | { "type": "websocket_request" } & WebsocketRequest;
 
-export type SyncState = {
-  model: "sync_state";
-  id: string;
-  workspaceId: string;
-  createdAt: string;
-  updatedAt: string;
-  flushedAt: string;
-  modelId: string;
-  checksum: string;
-  relPath: string;
-  syncDir: string;
-};
+export type SyncState = { model: "sync_state", id: string, workspaceId: string, createdAt: string, updatedAt: string, flushedAt: string, modelId: string, checksum: string, relPath: string, syncDir: string, };
 
-export type WebsocketRequest = {
-  model: "websocket_request";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  workspaceId: string;
-  folderId: string | null;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  message: string;
-  name: string;
-  sortPriority: number;
-  url: string;
-  /**
-   * URL parameters used for both path placeholders (`:id`) and query string entries.
-   */
-  urlParameters: Array<HttpUrlParameter>;
-  settingSendCookies: InheritedBoolSetting;
-  settingStoreCookies: InheritedBoolSetting;
-  settingValidateCertificates: InheritedBoolSetting;
-  settingRequestMessageSize: InheritedIntSetting;
-};
+export type WebsocketRequest = { model: "websocket_request", id: string, createdAt: string, updatedAt: string, workspaceId: string, folderId: string | null, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, message: string, name: string, sortPriority: number, url: string,
+/**
+ * URL parameters used for both path placeholders (`:id`) and query string entries.
+ */
+urlParameters: Array<HttpUrlParameter>, settingSendCookies: InheritedBoolSetting, settingStoreCookies: InheritedBoolSetting, settingValidateCertificates: InheritedBoolSetting, settingRequestMessageSize: InheritedIntSetting, };
 
-export type Workspace = {
-  model: "workspace";
-  id: string;
-  createdAt: string;
-  updatedAt: string;
-  authentication: Record<string, any>;
-  authenticationType: string | null;
-  description: string;
-  headers: Array<HttpRequestHeader>;
-  name: string;
-  encryptionKeyChallenge: string | null;
-  settingValidateCertificates: boolean;
-  settingFollowRedirects: boolean;
-  settingRequestTimeout: number;
-  settingRequestMessageSize: number;
-  settingDnsOverrides: Array<DnsOverride>;
-  settingSendCookies: boolean;
-  settingStoreCookies: boolean;
-  settingHttpVersion: HttpVersion;
-};
+export type Workspace = { model: "workspace", id: string, createdAt: string, updatedAt: string, authentication: Record<string, any>, authenticationType: string | null, description: string, headers: Array<HttpRequestHeader>, name: string, encryptionKeyChallenge: string | null, settingValidateCertificates: boolean, settingFollowRedirects: boolean, settingRequestTimeout: number, settingRequestMessageSize: number, settingDnsOverrides: Array<DnsOverride>, settingSendCookies: boolean, settingStoreCookies: boolean, settingHttpVersion: HttpVersion, };

crates/yaak-sync/src/models.rs

@@ -309,3 +309,54 @@ color: null
         Ok(())
     }
 }
+
+#[cfg(test)]
+mod assertion_tests {
+    use super::*;
+    use yaak_models::models::{HttpAssertion, HttpAssertions};
+
+    #[test]
+    fn assertions_round_trip_through_yaml_and_old_requests_default_to_no_checks() {
+        let path = Path::new("request.yaml");
+        let request = HttpRequest {
+            id: "rq_test".into(),
+            workspace_id: "wk_test".into(),
+            assertions: HttpAssertions {
+                version: 1,
+                checks: vec![HttpAssertion {
+                    id: "check".into(),
+                    selector: "$.id".into(),
+                    expected: "123".into(),
+                    expected_type: "number".into(),
+                    ..Default::default()
+                }],
+            },
+            ..Default::default()
+        };
+        let (bytes, _) = SyncModel::HttpRequest(request.clone()).to_file_contents(path).unwrap();
+        let (roundtrip, _) = SyncModel::from_bytes(bytes, path).unwrap().unwrap();
+        let SyncModel::HttpRequest(roundtrip) = roundtrip else {
+            panic!("wrong model")
+        };
+        assert_eq!(roundtrip.assertions, request.assertions);
+        let old =
+            b"model: http_request\nid: rq_old\nworkspaceId: wk_test\nurl: https://example.com\n"
+                .to_vec();
+        let (old, _) = SyncModel::from_bytes(old, path).unwrap().unwrap();
+        let SyncModel::HttpRequest(old) = old else {
+            panic!("wrong model")
+        };
+        assert!(old.assertions.is_empty());
+        let (bytes, _) = SyncModel::HttpRequest(old).to_file_contents(path).unwrap();
+        assert!(!String::from_utf8(bytes).unwrap().contains("assertions:"));
+        // Unknown versions survive sync so the runner can reject them instead of silently passing.
+        let mut future = request;
+        future.assertions.version = 99;
+        let (bytes, _) = SyncModel::HttpRequest(future).to_file_contents(path).unwrap();
+        let (future, _) = SyncModel::from_bytes(bytes, path).unwrap().unwrap();
+        let SyncModel::HttpRequest(future) = future else {
+            panic!("wrong model")
+        };
+        assert_eq!(future.assertions.version, 99);
+    }
+}

crates/yaak-wasm/Cargo.toml

@@ -22,6 +22,8 @@ crate-type = ["cdylib", "rlib"]
 # only exists for wasm is a target-scoped dependency for the same reason.
 
 [dependencies]
+yaak-jsonpath = { workspace = true }
+yaak-assertions = { workspace = true }
 log = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true }

crates/yaak-wasm/pkg/yaak_wasm_bg.js

@@ -120,6 +120,10 @@ export function __wbg_Error_bce6d499ff0a4aff(arg0, arg1) {
     const ret = Error(getStringFromWasm0(arg0, arg1));
     return ret;
 }
+export function __wbg_Number_b7972a139bfbfdf0(arg0) {
+    const ret = Number(arg0);
+    return ret;
+}
 export function __wbg_String_8564e559799eccda(arg0, arg1) {
     const ret = String(arg1);
     const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
@@ -512,7 +516,7 @@ export function __wbg_new_typed_c072c4ce9a2a0cdf(arg0, arg1) {
             const a = state0.a;
             state0.a = 0;
             try {
-                return wasm_bindgen__convert__closures_____invoke__h7cced28f7815df81(a, state0.b, arg0, arg1);
+                return wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___js_sys_434c4d6d72aa7d1b___Function_fn_wasm_bindgen_9b5275515258a0f8___JsValue_____wasm_bindgen_9b5275515258a0f8___sys__Undefined___js_sys_434c4d6d72aa7d1b___Function_fn_wasm_bindgen_9b5275515258a0f8___JsValue_____wasm_bindgen_9b5275515258a0f8___sys__Undefined_______true_(a, state0.b, arg0, arg1);
             } finally {
                 state0.a = a;
             }
@@ -697,23 +701,23 @@ export function __wbg_warn_b6f36cac66fc96a4(arg0, arg1) {
     console.warn(arg0, arg1);
 }
 export function __wbindgen_cast_0000000000000001(arg0, arg1) {
-    // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [Externref], shim_idx: 1131, ret: Result(Unit), inner_ret: Some(Result(Unit)) }, mutable: true }) -> Externref`.
-    const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h2c4f0a20127a8a23);
+    // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [Externref], shim_idx: 1911, ret: Result(Unit), inner_ret: Some(Result(Unit)) }, mutable: true }) -> Externref`.
+    const ret = makeMutClosure(arg0, arg1, wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___wasm_bindgen_9b5275515258a0f8___JsValue__core_f0fd674eaa06beef___result__Result_____wasm_bindgen_9b5275515258a0f8___JsError___true_);
     return ret;
 }
 export function __wbindgen_cast_0000000000000002(arg0, arg1) {
     // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("Event")], shim_idx: 214, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
-    const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h54297d6cc284a2e5);
+    const ret = makeMutClosure(arg0, arg1, wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___web_sys_e1a11cd1518a8b4d___features__gen_Event__Event______true_);
     return ret;
 }
 export function __wbindgen_cast_0000000000000003(arg0, arg1) {
-    // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("IDBVersionChangeEvent")], shim_idx: 177, ret: Result(Unit), inner_ret: Some(Result(Unit)) }, mutable: true }) -> Externref`.
-    const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h804afe9d352bd562);
+    // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("IDBVersionChangeEvent")], shim_idx: 107, ret: Result(Unit), inner_ret: Some(Result(Unit)) }, mutable: true }) -> Externref`.
+    const ret = makeMutClosure(arg0, arg1, wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___web_sys_e1a11cd1518a8b4d___features__gen_IdbVersionChangeEvent__IdbVersionChangeEvent__core_f0fd674eaa06beef___result__Result_____wasm_bindgen_9b5275515258a0f8___JsValue___true_);
     return ret;
 }
 export function __wbindgen_cast_0000000000000004(arg0, arg1) {
     // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [], shim_idx: 216, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
-    const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h5977a2970909c8b8);
+    const ret = makeMutClosure(arg0, arg1, wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke_______true_);
     return ret;
 }
 export function __wbindgen_cast_0000000000000005(arg0) {
@@ -750,30 +754,30 @@ export function __wbindgen_init_externref_table() {
     table.set(offset + 2, true);
     table.set(offset + 3, false);
 }
-function wasm_bindgen__convert__closures_____invoke__h5977a2970909c8b8(arg0, arg1) {
-    wasm.wasm_bindgen__convert__closures_____invoke__h5977a2970909c8b8(arg0, arg1);
+function wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke_______true_(arg0, arg1) {
+    wasm.wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke_______true_(arg0, arg1);
 }
 
-function wasm_bindgen__convert__closures_____invoke__h54297d6cc284a2e5(arg0, arg1, arg2) {
-    wasm.wasm_bindgen__convert__closures_____invoke__h54297d6cc284a2e5(arg0, arg1, arg2);
+function wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___web_sys_e1a11cd1518a8b4d___features__gen_Event__Event______true_(arg0, arg1, arg2) {
+    wasm.wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___web_sys_e1a11cd1518a8b4d___features__gen_Event__Event______true_(arg0, arg1, arg2);
 }
 
-function wasm_bindgen__convert__closures_____invoke__h2c4f0a20127a8a23(arg0, arg1, arg2) {
-    const ret = wasm.wasm_bindgen__convert__closures_____invoke__h2c4f0a20127a8a23(arg0, arg1, arg2);
+function wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___wasm_bindgen_9b5275515258a0f8___JsValue__core_f0fd674eaa06beef___result__Result_____wasm_bindgen_9b5275515258a0f8___JsError___true_(arg0, arg1, arg2) {
+    const ret = wasm.wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___wasm_bindgen_9b5275515258a0f8___JsValue__core_f0fd674eaa06beef___result__Result_____wasm_bindgen_9b5275515258a0f8___JsError___true_(arg0, arg1, arg2);
     if (ret[1]) {
         throw takeFromExternrefTable0(ret[0]);
     }
 }
 
-function wasm_bindgen__convert__closures_____invoke__h804afe9d352bd562(arg0, arg1, arg2) {
-    const ret = wasm.wasm_bindgen__convert__closures_____invoke__h804afe9d352bd562(arg0, arg1, arg2);
+function wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___web_sys_e1a11cd1518a8b4d___features__gen_IdbVersionChangeEvent__IdbVersionChangeEvent__core_f0fd674eaa06beef___result__Result_____wasm_bindgen_9b5275515258a0f8___JsValue___true_(arg0, arg1, arg2) {
+    const ret = wasm.wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___web_sys_e1a11cd1518a8b4d___features__gen_IdbVersionChangeEvent__IdbVersionChangeEvent__core_f0fd674eaa06beef___result__Result_____wasm_bindgen_9b5275515258a0f8___JsValue___true_(arg0, arg1, arg2);
     if (ret[1]) {
         throw takeFromExternrefTable0(ret[0]);
     }
 }
 
-function wasm_bindgen__convert__closures_____invoke__h7cced28f7815df81(arg0, arg1, arg2, arg3) {
-    wasm.wasm_bindgen__convert__closures_____invoke__h7cced28f7815df81(arg0, arg1, arg2, arg3);
+function wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___js_sys_434c4d6d72aa7d1b___Function_fn_wasm_bindgen_9b5275515258a0f8___JsValue_____wasm_bindgen_9b5275515258a0f8___sys__Undefined___js_sys_434c4d6d72aa7d1b___Function_fn_wasm_bindgen_9b5275515258a0f8___JsValue_____wasm_bindgen_9b5275515258a0f8___sys__Undefined_______true_(arg0, arg1, arg2, arg3) {
+    wasm.wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___js_sys_434c4d6d72aa7d1b___Function_fn_wasm_bindgen_9b5275515258a0f8___JsValue_____wasm_bindgen_9b5275515258a0f8___sys__Undefined___js_sys_434c4d6d72aa7d1b___Function_fn_wasm_bindgen_9b5275515258a0f8___JsValue_____wasm_bindgen_9b5275515258a0f8___sys__Undefined_______true_(arg0, arg1, arg2, arg3);
 }
 
 

crates/yaak-wasm/pkg/yaak_wasm_bg.wasm.d.ts

@@ -17,11 +17,11 @@ export const rust_sqlite_wasm_malloc: (a: number) => number;
 export const rust_sqlite_wasm_realloc: (a: number, b: number) => number;
 export const sqlite3_os_end: () => number;
 export const sqlite3_os_init: () => number;
-export const wasm_bindgen__convert__closures_____invoke__h2c4f0a20127a8a23: (a: number, b: number, c: any) => [number, number];
-export const wasm_bindgen__convert__closures_____invoke__h804afe9d352bd562: (a: number, b: number, c: any) => [number, number];
-export const wasm_bindgen__convert__closures_____invoke__h7cced28f7815df81: (a: number, b: number, c: any, d: any) => void;
-export const wasm_bindgen__convert__closures_____invoke__h54297d6cc284a2e5: (a: number, b: number, c: any) => void;
-export const wasm_bindgen__convert__closures_____invoke__h5977a2970909c8b8: (a: number, b: number) => void;
+export const wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___wasm_bindgen_9b5275515258a0f8___JsValue__core_f0fd674eaa06beef___result__Result_____wasm_bindgen_9b5275515258a0f8___JsError___true_: (a: number, b: number, c: any) => [number, number];
+export const wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___web_sys_e1a11cd1518a8b4d___features__gen_IdbVersionChangeEvent__IdbVersionChangeEvent__core_f0fd674eaa06beef___result__Result_____wasm_bindgen_9b5275515258a0f8___JsValue___true_: (a: number, b: number, c: any) => [number, number];
+export const wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___js_sys_434c4d6d72aa7d1b___Function_fn_wasm_bindgen_9b5275515258a0f8___JsValue_____wasm_bindgen_9b5275515258a0f8___sys__Undefined___js_sys_434c4d6d72aa7d1b___Function_fn_wasm_bindgen_9b5275515258a0f8___JsValue_____wasm_bindgen_9b5275515258a0f8___sys__Undefined_______true_: (a: number, b: number, c: any, d: any) => void;
+export const wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke___web_sys_e1a11cd1518a8b4d___features__gen_Event__Event______true_: (a: number, b: number, c: any) => void;
+export const wasm_bindgen_9b5275515258a0f8___convert__closures_____invoke_______true_: (a: number, b: number) => void;
 export const __wbindgen_malloc: (a: number, b: number) => number;
 export const __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
 export const __wbindgen_exn_store: (a: number) => void;

crates/yaak-wasm/src/lib.rs

@@ -252,6 +252,47 @@ struct InsertResponseEventsReq {
     events: Vec<HttpResponseEventData>,
 }
 
+fn evaluate_http_assertions(
+    host: &Host,
+    definition: &yaak_assertions::HttpAssertions,
+    response: &yaak_models::models::HttpResponse,
+    canceled: bool,
+) -> Result<serde_json::Value> {
+    let db = host.blobs.connect();
+    let read = || -> std::result::Result<Option<Vec<u8>>, yaak_models::error::Error> {
+        if db.get_body_size(&response.id)? > yaak_assertions::MAX_BODY_BYTES {
+            return Ok(None);
+        }
+        Ok(Some(db.get_chunks(&response.id)?.into_iter().flat_map(|c| c.data).collect()))
+    };
+    let bytes =
+        if definition.needs_body() && response.error.is_none() { read().ok() } else { None };
+    let body = match &bytes {
+        Some(None) => yaak_assertions::Body::TooLarge,
+        Some(Some(bytes)) if !bytes.is_empty() || response.content_length.unwrap_or(0) == 0 => {
+            yaak_assertions::Body::Bytes(bytes)
+        }
+        _ => yaak_assertions::Body::Unavailable,
+    };
+    let headers =
+        response.headers.iter().map(|h| (h.name.clone(), h.value.clone())).collect::<Vec<_>>();
+    to_json(yaak_assertions::evaluate(
+        definition,
+        yaak_assertions::Response {
+            status: response.status,
+            headers: &headers,
+            body,
+            completion: if canceled {
+                yaak_assertions::Completion::Canceled
+            } else if response.error.is_some() {
+                yaak_assertions::Completion::Error
+            } else {
+                yaak_assertions::Completion::Complete
+            },
+        },
+    ))
+}
+
 fn dispatch(
     host: &Host,
     cmd: &str,
@@ -308,6 +349,69 @@ fn dispatch(
             to_json(serde_json::to_string(&list).map_err(js_error)?)
         }
 
+        "cmd_validate_http_assertions" => {
+            #[derive(Deserialize)]
+            struct Req {
+                assertions: yaak_assertions::HttpAssertions,
+            }
+            let req: Req = from_js(payload)?;
+            to_json(yaak_assertions::validation_errors(&req.assertions))
+        }
+        "cmd_http_response_json_children" => {
+            #[derive(Deserialize)]
+            #[serde(rename_all = "camelCase")]
+            struct Req {
+                response_id: String,
+                parent: String,
+            }
+            let req: Req = from_js(payload)?;
+            yaak_jsonpath::parse(&req.parent).map_err(js_error)?;
+            let response =
+                host.queries.connect().get_http_response(&req.response_id).map_err(js_error)?;
+            if !matches!(response.state, yaak_models::models::HttpResponseState::Closed) {
+                return Err(js_error("Wait for the response to finish"));
+            }
+            let db = host.blobs.connect();
+            if db.get_body_size(&req.response_id).map_err(js_error)? > yaak_jsonpath::MAX_BODY_BYTES
+            {
+                return Err(js_error("Suggestions are limited to JSON responses up to 10 MiB"));
+            }
+            let bytes: Vec<u8> = db
+                .get_chunks(&req.response_id)
+                .map_err(js_error)?
+                .into_iter()
+                .flat_map(|c| c.data)
+                .collect();
+            let document = yaak_jsonpath::parse_body(&bytes).map_err(js_error)?;
+            to_json(yaak_jsonpath::children(&document, &req.parent).map_err(js_error)?)
+        }
+        "cmd_preview_http_assertions" => {
+            #[derive(Deserialize)]
+            #[serde(rename_all = "camelCase")]
+            struct Req {
+                response_id: String,
+                assertions: yaak_assertions::HttpAssertions,
+            }
+            let req: Req = from_js(payload)?;
+            let response =
+                host.queries.connect().get_http_response(&req.response_id).map_err(js_error)?;
+            if !matches!(response.state, yaak_models::models::HttpResponseState::Closed) {
+                return Err(js_error("Wait for the response to finish"));
+            }
+            // Return a preview only; never patch the saved response or send anything.
+            evaluate_http_assertions(host, &req.assertions, &response, false)
+        }
+        "evaluate_http_assertions" => {
+            #[derive(Deserialize)]
+            struct Req {
+                definition: yaak_assertions::HttpAssertions,
+                response: yaak_models::models::HttpResponse,
+                canceled: bool,
+            }
+            let req: Req = from_js(payload)?;
+            evaluate_http_assertions(host, &req.definition, &req.response, req.canceled)
+        }
+
         "models_upsert" => {
             let req: ModelReq = from_js(payload)?;
             let id = host

crates/yaak/Cargo.toml

@@ -5,6 +5,8 @@ edition = "2024"
 publish = false
 
 [dependencies]
+yaak-jsonpath = { workspace = true }
+yaak-assertions = { workspace = true }
 async-trait = "0.1"
 base64 = "0.22.1" # For carrying body chunks over a text-only plugin transport
 log = { workspace = true }

crates/yaak/src/lib.rs

@@ -6,3 +6,6 @@ pub mod send;
 
 pub use error::Error;
 pub type Result<T> = error::Result<T>;
+pub use yaak_assertions as assertions;
+
+pub use yaak_jsonpath as jsonpath;

crates/yaak/src/response_body.rs

@@ -109,6 +109,109 @@ impl ResponseBodyStore for FileResponseBodyStore<'_> {
     }
 }
 
+/// Discover the next JSONPath level without sending body contents to the UI.
+/// Hosts can expose this as RPC/plugin APIs while sharing selection with assertions.
+pub fn json_path_children(
+    store: &dyn ResponseBodyStore,
+    response_id: &str,
+    parent: &str,
+) -> std::result::Result<yaak_jsonpath::JsonPathChildren, String> {
+    yaak_jsonpath::parse(parent)?;
+    let info = store.info(response_id).map_err(|e| e.to_string())?;
+    if !info.complete {
+        return Err("Wait for the response to finish".into());
+    }
+    if info.content_length > yaak_jsonpath::MAX_BODY_BYTES as u64 {
+        return Err("Suggestions are limited to JSON responses up to 10 MiB".into());
+    }
+    let mut bytes = Vec::new();
+    loop {
+        let chunk = store
+            .read_chunk(
+                response_id,
+                bytes.len() as u64,
+                (yaak_jsonpath::MAX_BODY_BYTES + 1 - bytes.len()) as u64,
+            )
+            .map_err(|e| e.to_string())?;
+        if chunk.is_empty() {
+            break;
+        }
+        bytes.extend_from_slice(&chunk);
+        if bytes.len() > yaak_jsonpath::MAX_BODY_BYTES {
+            return Err("Suggestions are limited to JSON responses up to 10 MiB".into());
+        }
+    }
+    let document = yaak_jsonpath::parse_body(&bytes)?;
+    Ok(yaak_jsonpath::children(&document, parent)?)
+}
+
+/// Evaluate the caller's draft against a saved response, without rendering,
+/// sending, or writing either the request or its historical assertion results.
+pub fn preview_assertions(
+    queries: &QueryManager,
+    response_id: &str,
+    definition: &yaak_assertions::HttpAssertions,
+) -> std::result::Result<yaak_assertions::AssertionReport, String> {
+    use yaak_assertions::{Body, Completion, MAX_BODY_BYTES, Response};
+
+    let response = queries.connect().get_http_response(response_id).map_err(|e| e.to_string())?;
+    if !matches!(response.state, HttpResponseState::Closed) {
+        return Err("Wait for the response to finish".into());
+    }
+    let store = FileResponseBodyStore::new(queries);
+    let bytes;
+    let mut body = Body::Unavailable;
+    if definition.needs_body() && response.error.is_none() {
+        // File sizes are only a hint: also cap actual reads, including the
+        // overflow byte. A missing/removed body must not prevent status checks.
+        let read = || -> Result<Option<Vec<u8>>> {
+            if store.info(response_id)?.content_length > MAX_BODY_BYTES as u64 {
+                return Ok(None);
+            }
+            let mut bytes = Vec::new();
+            loop {
+                let chunk = store.read_chunk(
+                    response_id,
+                    bytes.len() as u64,
+                    (MAX_BODY_BYTES + 1 - bytes.len()) as u64,
+                )?;
+                if chunk.is_empty() {
+                    return Ok(Some(bytes));
+                }
+                bytes.extend_from_slice(&chunk);
+                if bytes.len() > MAX_BODY_BYTES {
+                    return Ok(None);
+                }
+            }
+        };
+        match read() {
+            Ok(None) => body = Body::TooLarge,
+            Ok(Some(value)) => {
+                bytes = value;
+                if !bytes.is_empty() || response.content_length.unwrap_or(0) == 0 {
+                    body = Body::Bytes(&bytes);
+                }
+            }
+            Err(_) => {} // The evaluator reports unavailable body checks individually.
+        }
+    }
+    let headers =
+        response.headers.iter().map(|h| (h.name.clone(), h.value.clone())).collect::<Vec<_>>();
+    Ok(yaak_assertions::evaluate(
+        definition,
+        Response {
+            status: response.status,
+            headers: &headers,
+            body,
+            completion: if response.error.is_some() {
+                Completion::Error
+            } else {
+                Completion::Complete
+            },
+        },
+    ))
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -177,6 +280,143 @@ mod tests {
         (query_manager, temp_dir, id)
     }
 
+    #[test]
+    fn json_discovery_waits_for_completion_and_only_returns_structure() {
+        let (qm, _tmp, id) = seed(Some(br#"{"user":{"name":"SECRET","active":true}}"#));
+        let store = FileResponseBodyStore::new(&qm);
+        assert!(json_path_children(&store, &id, "$").unwrap_err().contains("finish"));
+        let mut response = qm.connect().get_http_response(&id).unwrap();
+        response.state = HttpResponseState::Closed;
+        qm.with_tx(|tx| tx.update_http_response_if_id(&response, &UpdateSource::Sync)).unwrap();
+        let children = json_path_children(&store, &id, "$.user").unwrap();
+        assert_eq!(children.children.len(), 2);
+        assert!(!serde_json::to_string(&children).unwrap().contains("SECRET"));
+        assert!(json_path_children(&store, "rs_missing", "$").is_err());
+        let path = response.body_path.unwrap();
+        std::fs::OpenOptions::new()
+            .write(true)
+            .open(path)
+            .unwrap()
+            .set_len((yaak_jsonpath::MAX_BODY_BYTES + 1) as u64)
+            .unwrap();
+        assert!(json_path_children(&store, &id, "$").unwrap_err().contains("10 MiB"));
+    }
+
+    #[test]
+    fn json_discovery_reads_beyond_the_single_chunk_limit() {
+        let bytes = serde_json::to_vec(&serde_json::json!({"padding": "a".repeat(MAX_CHUNK_BYTES as usize), "user": {"id": 123}})).unwrap();
+        let (qm, _tmp, id) = seed(Some(&bytes));
+        let mut response = qm.connect().get_http_response(&id).unwrap();
+        response.state = HttpResponseState::Closed;
+        qm.with_tx(|tx| tx.update_http_response_if_id(&response, &UpdateSource::Sync)).unwrap();
+        let result = json_path_children(&FileResponseBodyStore::new(&qm), &id, "$.user").unwrap();
+        assert_eq!(result.children[0].label, "id");
+        assert_eq!(result.children[0].kind, "number");
+        let mut definition = preview_definition();
+        definition.checks.remove(0);
+        definition.checks[0].expected = "123".into();
+        assert_eq!(preview_assertions(&qm, &id, &definition).unwrap().results[0].outcome, "passed");
+    }
+
+    fn preview_definition() -> yaak_assertions::HttpAssertions {
+        use yaak_assertions::HttpAssertion;
+        yaak_assertions::HttpAssertions {
+            checks: vec![
+                HttpAssertion {
+                    id: "status".into(),
+                    target: "status".into(),
+                    expected: "200".into(),
+                    expected_type: "number".into(),
+                    ..Default::default()
+                },
+                HttpAssertion {
+                    id: "body".into(),
+                    selector: "$.user.id".into(),
+                    expected: "7".into(),
+                    expected_type: "number".into(),
+                    ..Default::default()
+                },
+            ],
+            ..Default::default()
+        }
+    }
+
+    #[test]
+    fn preview_uses_draft_checks_without_changing_saved_models_or_results() {
+        let (qm, _tmp, id) = seed(Some(br#"{"user":{"id":7}}"#));
+        let mut response = qm.connect().get_http_response(&id).unwrap();
+        response.state = HttpResponseState::Closed;
+        response.status = 200;
+        qm.with_tx(|tx| tx.update_http_response_if_id(&response, &UpdateSource::Sync)).unwrap();
+        let mut original = preview_definition();
+        original.checks[1].expected = "99".into();
+        response.assertion_results = Some(preview_assertions(&qm, &id, &original).unwrap());
+        qm.with_tx(|tx| tx.update_http_response_if_id(&response, &UpdateSource::Sync)).unwrap();
+        let before_response =
+            serde_json::to_value(qm.connect().get_http_response(&id).unwrap()).unwrap();
+        let before_request =
+            serde_json::to_value(qm.connect().get_http_request("rq_test").unwrap()).unwrap();
+
+        let preview = preview_assertions(&qm, &id, &preview_definition()).unwrap();
+        assert!(preview.results.iter().all(|r| r.outcome == "passed"));
+        assert_eq!(preview.definition, preview_definition());
+        assert_eq!(before_response["assertionResults"]["results"][1]["outcome"], "failed");
+        assert_eq!(
+            serde_json::to_value(qm.connect().get_http_response(&id).unwrap()).unwrap(),
+            before_response
+        );
+        assert_eq!(
+            serde_json::to_value(qm.connect().get_http_request("rq_test").unwrap()).unwrap(),
+            before_request
+        );
+        assert_eq!(std::fs::read(response.body_path.unwrap()).unwrap(), br#"{"user":{"id":7}}"#);
+    }
+
+    #[test]
+    fn preview_rejects_pending_or_missing_responses_and_never_passes_failed_sends() {
+        let (qm, _tmp, id) = seed(Some(br#"{"user":{"id":7}}"#));
+        let definition = preview_definition();
+        assert!(preview_assertions(&qm, &id, &definition).unwrap_err().contains("finish"));
+        assert!(preview_assertions(&qm, "rs_missing", &definition).is_err());
+        let mut response = qm.connect().get_http_response(&id).unwrap();
+        response.state = HttpResponseState::Closed;
+        response.status = 200;
+        response.error = Some("Request canceled".into());
+        qm.with_tx(|tx| tx.update_http_response_if_id(&response, &UpdateSource::Sync)).unwrap();
+        assert!(
+            preview_assertions(&qm, &id, &definition)
+                .unwrap()
+                .results
+                .iter()
+                .all(|r| r.outcome == "error")
+        );
+    }
+
+    #[test]
+    fn preview_evaluates_status_when_the_saved_body_is_too_large_or_missing() {
+        let (qm, _tmp, id) = seed(Some(b""));
+        let mut response = qm.connect().get_http_response(&id).unwrap();
+        response.state = HttpResponseState::Closed;
+        response.status = 200;
+        qm.with_tx(|tx| tx.update_http_response_if_id(&response, &UpdateSource::Sync)).unwrap();
+        let path = response.body_path.unwrap();
+        std::fs::OpenOptions::new()
+            .write(true)
+            .open(&path)
+            .unwrap()
+            .set_len((yaak_assertions::MAX_BODY_BYTES + 1) as u64)
+            .unwrap();
+        let preview = preview_assertions(&qm, &id, &preview_definition()).unwrap();
+        assert_eq!(preview.results[0].outcome, "passed");
+        assert_eq!(preview.results[1].outcome, "error");
+        assert!(preview.results[1].reason.contains("10 MiB"));
+        std::fs::remove_file(path).unwrap();
+        let preview = preview_assertions(&qm, &id, &preview_definition()).unwrap();
+        assert_eq!(preview.results[0].outcome, "passed");
+        assert_eq!(preview.results[1].outcome, "error");
+        assert!(preview.results[1].reason.contains("unavailable"));
+    }
+
     #[test]
     fn info_reports_stored_size_and_content_type() {
         let (qm, _tmp, id) = seed(Some(b"hello world"));

crates/yaak/src/send.rs

@@ -45,6 +45,8 @@ const MAX_AUTH_BODY_BYTES: usize = 10 * 1024 * 1024;
 
 #[derive(Debug, Error)]
 pub enum SendHttpRequestError {
+    #[error("Request canceled")]
+    Canceled,
     #[error("Failed to load request: {0}")]
     LoadRequest(#[source] yaak_models::error::Error),
 
@@ -628,6 +630,12 @@ pub async fn send_http_request<T: TemplateCallback>(
     response.url = sendable_request.url.clone();
     response.state = HttpResponseState::Initialized;
     response.error = None;
+    response.assertion_results =
+        (!request.assertions.is_empty()).then(|| yaak_assertions::AssertionReport {
+            definition: request.assertions.clone(),
+            results: Vec::new(),
+            error: None,
+        });
     response.content_length = None;
     response.content_length_compressed = None;
     response.body_path = None;
@@ -835,6 +843,8 @@ pub async fn send_http_request<T: TemplateCallback>(
         ResponseBody::Returned(Vec::new())
     };
     let mut body_read_error = None;
+    let mut assertion_body = request.assertions.needs_body().then(Vec::new);
+    let mut assertion_body_too_large = false;
     let mut written_bytes: usize = 0;
     let mut last_progress_update = started_at;
     let mut cancelled_rx = params.cancelled_rx.clone();
@@ -842,6 +852,7 @@ pub async fn send_http_request<T: TemplateCallback>(
     loop {
         let read_result = if let Some(cancelled_rx) = cancelled_rx.as_mut() {
             if *cancelled_rx.borrow() {
+                body_read_error = Some(SendHttpRequestError::Canceled);
                 break;
             }
 
@@ -859,7 +870,12 @@ pub async fn send_http_request<T: TemplateCallback>(
         };
 
         let Some(read_result) = read_result else {
-            break;
+            if cancelled_rx.as_ref().is_some_and(|rx| *rx.borrow()) {
+                body_read_error = Some(SendHttpRequestError::Canceled);
+                break;
+            }
+            cancelled_rx = None;
+            continue;
         };
 
         match read_result {
@@ -872,6 +888,14 @@ pub async fn send_http_request<T: TemplateCallback>(
                         SendHttpRequestError::WriteResponseBody { path: path.clone(), source }
                     })?;
                 }
+                if let Some(body) = assertion_body.as_mut() {
+                    if body.len() + chunk.len() > yaak_assertions::MAX_BODY_BYTES {
+                        assertion_body = None;
+                        assertion_body_too_large = true;
+                    } else {
+                        body.extend_from_slice(chunk);
+                    }
+                }
                 if let Some(tx) = params.emit_response_body_chunks_to.as_ref() {
                     let _ = tx.send(chunk.to_vec());
                 } else if let ResponseBody::Returned(body) = &mut response_body {
@@ -1019,6 +1043,36 @@ pub async fn send_http_request<T: TemplateCallback>(
         warn!("Failed to join response event task: {}", join_err);
     }
 
+    if !request.assertions.is_empty() {
+        let headers =
+            response.headers.iter().map(|h| (h.name.clone(), h.value.clone())).collect::<Vec<_>>();
+        response.assertion_results = Some(yaak_assertions::evaluate(
+            &request.assertions,
+            yaak_assertions::Response {
+                status: response.status,
+                headers: &headers,
+                body: if assertion_body_too_large {
+                    yaak_assertions::Body::TooLarge
+                } else {
+                    yaak_assertions::Body::Bytes(assertion_body.as_deref().unwrap_or_default())
+                },
+                completion: if response.error.is_some() {
+                    yaak_assertions::Completion::Error
+                } else {
+                    yaak_assertions::Completion::Complete
+                },
+            },
+        ));
+        if let Some(store) = store {
+            response = store
+                .query_manager
+                .with_tx(|tx| {
+                    tx.upsert_http_response(&response, &store.update_source, store.blob_manager)
+                })
+                .map_err(SendHttpRequestError::PersistResponse)?;
+        }
+    }
+
     Ok(SendHttpRequestResult {
         rendered_request,
         response,
@@ -1212,11 +1266,23 @@ fn persist_response_error(
     fallback_url: String,
 ) -> Result<HttpResponse> {
     let elapsed = duration_to_i32(started_at.elapsed());
+    let assertion_results = response.assertion_results.as_ref().map(|report| {
+        yaak_assertions::evaluate(
+            &report.definition,
+            yaak_assertions::Response {
+                status: response.status,
+                headers: &[],
+                body: yaak_assertions::Body::Unavailable,
+                completion: yaak_assertions::Completion::Error,
+            },
+        )
+    });
     store
         .query_manager
         .with_tx(|tx| {
             tx.upsert_http_response(
                 &HttpResponse {
+                    assertion_results,
                     state: HttpResponseState::Closed,
                     elapsed,
                     elapsed_headers: if response.elapsed_headers == 0 {
@@ -1325,6 +1391,151 @@ mod tests {
         }
     }
 
+    fn assertion_inputs() -> HttpSendInputs {
+        HttpSendInputs {
+            request: ResolvedHttpRequest::assume_resolved(
+                HttpRequest {
+                    id: "rq_assertions".into(),
+                    workspace_id: "wk_assertions".into(),
+                    url: "http://localhost/test".into(),
+                    assertions: yaak_assertions::HttpAssertions {
+                        version: 1,
+                        checks: vec![yaak_assertions::HttpAssertion {
+                            id: "check".into(),
+                            selector: "$.id".into(),
+                            expected: "123".into(),
+                            expected_type: "number".into(),
+                            ..Default::default()
+                        }],
+                    },
+                    ..Default::default()
+                },
+                String::new(),
+            ),
+            environment_chain: Vec::new(),
+            runtime_config: HttpSendRuntimeConfig {
+                settings: ResolvedHttpRequestSettings::default(),
+                proxy: HttpConnectionProxySetting::System,
+                dns_overrides: Vec::new(),
+                client_certificates: Vec::new(),
+            },
+            cookie_store: None,
+        }
+    }
+
+    #[tokio::test]
+    async fn assertions_use_the_same_body_for_stored_and_streamed_responses() {
+        for stream in [false, true] {
+            let dir = TempDir::new().unwrap();
+            let (queries, blobs, _rx) =
+                yaak_models::init_standalone(&dir.path().join("db"), &dir.path().join("blobs"))
+                    .unwrap();
+            let inputs = assertion_inputs();
+            queries
+                .with_tx(|tx| {
+                    tx.upsert_workspace(
+                        &Workspace { id: "wk_assertions".into(), ..Default::default() },
+                        &UpdateSource::Sync,
+                    )?;
+                    tx.upsert_http_request(inputs.request.request(), &UpdateSource::Sync)
+                })
+                .unwrap();
+            let (chunk_tx, mut chunk_rx) = mpsc::unbounded_channel();
+            // A closed, false cancellation channel must not truncate the body.
+            let (cancel_tx, cancel_rx) = watch::channel(false);
+            drop(cancel_tx);
+            let result = send_http_request(SendHttpRequestParams {
+                inputs,
+                template_callback: &NoopTemplateCallback,
+                storage: Some(ResponseStorage {
+                    query_manager: &queries,
+                    blob_manager: &blobs,
+                    update_source: UpdateSource::Sync,
+                    response_dir: dir.path(),
+                }),
+                emit_events_to: None,
+                emit_response_body_chunks_to: stream.then_some(chunk_tx),
+                cancelled_rx: Some(cancel_rx),
+                existing_response: None,
+                prepare_sendable_request: None,
+                executor: &StubExecutor { body: br#"{"id":123}"# },
+            })
+            .await
+            .unwrap();
+            let report = result.response.assertion_results.as_ref().unwrap();
+            assert_eq!(report.results[0].outcome, "passed");
+            assert_eq!(
+                queries
+                    .connect()
+                    .get_http_response(&result.response.id)
+                    .unwrap()
+                    .assertion_results
+                    .unwrap()
+                    .results[0]
+                    .outcome,
+                "passed"
+            );
+            if stream {
+                assert_eq!(chunk_rx.recv().await.unwrap(), br#"{"id":123}"#);
+            }
+        }
+    }
+
+    struct CancelAfterHeaders(watch::Sender<bool>);
+    #[async_trait]
+    impl SendRequestExecutor for CancelAfterHeaders {
+        async fn send(
+            &self,
+            request: SendableHttpRequest,
+            events: mpsc::Sender<SenderHttpResponseEvent>,
+            cookies: CookieBehavior,
+        ) -> yaak_http::error::Result<yaak_http::sender::HttpResponse> {
+            let response =
+                StubExecutor { body: br#"{"id":123}"# }.send(request, events, cookies).await?;
+            self.0.send(true).unwrap();
+            Ok(response)
+        }
+    }
+    #[tokio::test]
+    async fn canceled_body_never_leaves_passing_assertions_in_history() {
+        let dir = TempDir::new().unwrap();
+        let (queries, blobs, _rx) =
+            yaak_models::init_standalone(&dir.path().join("db"), &dir.path().join("blobs"))
+                .unwrap();
+        let inputs = assertion_inputs();
+        queries
+            .with_tx(|tx| {
+                tx.upsert_workspace(
+                    &Workspace { id: "wk_assertions".into(), ..Default::default() },
+                    &UpdateSource::Sync,
+                )?;
+                tx.upsert_http_request(inputs.request.request(), &UpdateSource::Sync)
+            })
+            .unwrap();
+        let (cancel_tx, cancel_rx) = watch::channel(false);
+        let result = send_http_request(SendHttpRequestParams {
+            inputs,
+            template_callback: &NoopTemplateCallback,
+            storage: Some(ResponseStorage {
+                query_manager: &queries,
+                blob_manager: &blobs,
+                update_source: UpdateSource::Sync,
+                response_dir: dir.path(),
+            }),
+            emit_events_to: None,
+            emit_response_body_chunks_to: None,
+            cancelled_rx: Some(cancel_rx),
+            existing_response: None,
+            prepare_sendable_request: None,
+            executor: &CancelAfterHeaders(cancel_tx),
+        })
+        .await;
+        assert!(matches!(result, Err(SendHttpRequestError::Canceled)));
+        let responses = queries.connect().list_http_responses("wk_assertions", None).unwrap();
+        assert!(responses[0].error.is_some());
+        assert_eq!(responses[0].assertion_results.as_ref().unwrap().results[0].outcome, "error");
+    }
+
     /// The hosted sender runs with no query manager, blob manager, or response directory. Nothing
     /// here touches storage, so the caller's only view of the response is what gets streamed out.
     #[tokio::test]

packages/platform/src/web/commands.test.ts

@@ -0,0 +1,40 @@
+import { afterEach, describe, expect, it, vi } from "vite-plus/test";
+import { commandSupport, runCommand } from "./commands";
+import type { WorkerConnection } from "./connection";
+import { sendHttpRequest } from "./send";
+
+vi.mock("./send", () => ({ sendHttpRequest: vi.fn() }));
+afterEach(() => vi.clearAllMocks());
+
+describe("browser assertion commands", () => {
+  it.each([
+    ["cmd_validate_http_assertions", { assertions: { version: 1, checks: [] } }],
+    [
+      "cmd_preview_http_assertions",
+      { responseId: "rs_pinned_history", assertions: { version: 1, checks: [] } },
+    ],
+    ["cmd_http_response_json_children", { responseId: "rs_pinned_history", parent: "$.user" }],
+  ])("routes %s to the local worker without a send or model write", async (command, payload) => {
+    const report = { from: "local worker" };
+    const rpc = vi.fn().mockResolvedValue(report);
+    const db = { rpc } as unknown as WorkerConnection;
+    expect(commandSupport().implemented).toContain(command);
+    expect(await runCommand(command, payload, db)).toBe(report);
+    expect(rpc).toHaveBeenCalledExactlyOnceWith(command, payload);
+    expect(sendHttpRequest).not.toHaveBeenCalled();
+  });
+
+  it("does not resend when a saved response is no longer available", async () => {
+    const rpc = vi.fn().mockRejectedValue(new Error("Response not found"));
+    const db = { rpc } as unknown as WorkerConnection;
+    await expect(
+      runCommand(
+        "cmd_preview_http_assertions",
+        { responseId: "rs_removed", assertions: { version: 1, checks: [] } },
+        db,
+      ),
+    ).rejects.toThrow("Response not found");
+    expect(rpc).toHaveBeenCalledTimes(1);
+    expect(sendHttpRequest).not.toHaveBeenCalled();
+  });
+});

packages/platform/src/web/commands.ts

@@ -68,6 +68,10 @@ const HANDLERS: Partial<Record<AppCmd, Handler>> = {
   cmd_get_workspace_meta: (payload, db) => db.rpc("cmd_get_workspace_meta", payload),
   cmd_delete_all_http_responses: (payload, db) => db.rpc("cmd_delete_all_http_responses", payload),
   cmd_delete_send_history: (payload, db) => db.rpc("cmd_delete_send_history", payload),
+  cmd_validate_http_assertions: (payload, db) => db.rpc("cmd_validate_http_assertions", payload),
+  cmd_preview_http_assertions: (payload, db) => db.rpc("cmd_preview_http_assertions", payload),
+  cmd_http_response_json_children: (payload, db) =>
+    db.rpc("cmd_http_response_json_children", payload),
 
   /* ------------------------------- sending ------------------------------- */
 

packages/platform/src/web/send.test.ts

@@ -0,0 +1,126 @@
+import { afterEach, describe, expect, it, vi } from "vitest";
+import type { HttpAssertions, HttpResponse } from "@yaakapp-internal/models";
+import type { WorkerConnection } from "./connection";
+import { sendHttpRequest } from "./send";
+
+vi.mock("./server", () => ({
+  serverIdentity: async () => "test server",
+  serverSendUrl: () => "https://test.invalid/send",
+  readFrames: async function* () {
+    yield {
+      type: "response",
+      status: 200,
+      headers: [],
+      requestHeaders: [],
+      url: "https://example.com",
+    };
+    yield { type: "body", data: btoa('{"id":123}') };
+    yield { type: "done", contentLength: 10, contentLengthCompressed: 10, elapsed: 1 };
+  },
+}));
+
+const definition: HttpAssertions = {
+  version: 1,
+  checks: [
+    {
+      id: "check",
+      enabled: true,
+      target: "json",
+      selector: "$.id",
+      operator: "equals",
+      expected: "SECRET_EXPECTED",
+      expectedType: "text",
+    },
+  ],
+};
+
+function worker() {
+  let cancel: (() => void) | undefined;
+  let storedBody: Uint8Array | undefined;
+  const evaluations: {
+    definition: HttpAssertions;
+    response: Partial<HttpResponse>;
+    canceled: boolean;
+  }[] = [];
+  const writes: Partial<HttpResponse>[] = [];
+  const request = {
+    id: "rq_test",
+    model: "http_request",
+    workspaceId: "wk_test",
+    assertions: structuredClone(definition),
+  };
+  const db = {
+    rpc: async (cmd: string, payload: Record<string, unknown>) => {
+      if (cmd === "web_get_http_request") return structuredClone(request);
+      if (cmd === "models_upsert") {
+        writes.push(structuredClone(payload.model as Partial<HttpResponse>));
+        return "rs_test";
+      }
+      if (cmd === "evaluate_http_assertions") {
+        const input = payload as (typeof evaluations)[number];
+        if (!input.response.error) expect(new TextDecoder().decode(storedBody)).toBe('{"id":123}');
+        evaluations.push(structuredClone(input));
+        return {
+          definition: input.definition,
+          results: [
+            {
+              assertionId: "check",
+              outcome: input.response.error ? "error" : "passed",
+              reason: "test evaluator",
+              actual: null,
+            },
+          ],
+          error: null,
+        };
+      }
+      return null;
+    },
+    prepareHttpSend: async () => ({ request, settings: {}, cookieJar: null, settingEvents: [] }),
+    blobPut: async (_id: string, bytes: Uint8Array) => {
+      storedBody = bytes;
+    },
+    listen: (_event: string, callback: () => void) => {
+      cancel = callback;
+      return () => {
+        cancel = undefined;
+      };
+    },
+  } as unknown as WorkerConnection;
+  return { db, evaluations, writes, cancel: () => cancel?.() };
+}
+
+afterEach(() => vi.unstubAllGlobals());
+
+describe("browser assertion evaluation", () => {
+  it("evaluates locally after saving the body and keeps assertion values out of the proxy request", async () => {
+    const fetch = vi.fn(async (_url: string, init: RequestInit) => {
+      expect(init.body).not.toContain("SECRET_EXPECTED");
+      return new Response("stream");
+    });
+    vi.stubGlobal("fetch", fetch);
+    const { db, evaluations, writes } = worker();
+    const response = await sendHttpRequest(db, "rq_test", null, null);
+    expect(evaluations).toHaveLength(1);
+    expect(evaluations[0]?.definition).toEqual(definition);
+    expect(evaluations[0]?.canceled).toBe(false);
+    expect(response.assertionResults?.results[0]?.outcome).toBe("passed");
+    expect(writes.at(-1)?.state).toBe("closed");
+    expect(writes.at(-1)?.assertionResults).toEqual(response.assertionResults);
+  });
+
+  it("marks a canceled response as incomplete before asking the shared evaluator", async () => {
+    const { db, cancel, evaluations } = worker();
+    vi.stubGlobal(
+      "fetch",
+      vi.fn(async () => {
+        cancel();
+        throw new Error("aborted");
+      }),
+    );
+    const response = await sendHttpRequest(db, "rq_test", null, null);
+    expect(evaluations).toHaveLength(1);
+    expect(evaluations[0]?.canceled).toBe(true);
+    expect(evaluations[0]?.response.error).toBe("Request canceled");
+    expect(response.assertionResults?.results[0]?.outcome).toBe("error");
+  });
+});

packages/platform/src/web/send.ts

@@ -24,6 +24,8 @@
 // Types only: the models package imports this one at runtime, and a type import
 // is erased, so there is no cycle.
 import type {
+  AssertionReport,
+  HttpAssertions,
   Cookie,
   CookieJar,
   HttpRequest,
@@ -70,8 +72,16 @@ export async function sendHttpRequest(
   // The response row exists before anything can go wrong, as on the desktop, so
   // a failure to render or to reach the server lands in the response pane as
   // that response's error rather than as a toast that names no request.
-  const workspaceId = await workspaceIdOfRequest(db, requestId);
-  const response = new ResponseWriter(db, { model: "http_response", requestId, workspaceId });
+  const request = await db.rpc<HttpRequest>("web_get_http_request", { requestId });
+  const response = new ResponseWriter(
+    db,
+    {
+      model: "http_response",
+      requestId,
+      workspaceId: request.workspaceId,
+    },
+    request.assertions ?? { version: 1, checks: [] },
+  );
   await response.create();
 
   const cancel = new AbortController();
@@ -81,7 +91,7 @@ export async function sendHttpRequest(
     await runSend(db, response, requestId, environmentId, cookieJarId, cancel.signal);
   } catch (err) {
     const message = cancel.signal.aborted ? "Request canceled" : errorMessage(err);
-    await response.finish({ error: message });
+    await response.finish({ error: message }, cancel.signal.aborted);
   } finally {
     unlistenCancel();
   }
@@ -111,7 +121,8 @@ async function runSend(
   timeline.push(prepared.settingEvents);
 
   const body: SendRequest = {
-    request: prepared.request,
+    // Assertions run locally against the completed response.
+    request: { ...prepared.request, assertions: { version: 1, checks: [] } },
     settings: prepared.settings,
     cookies: prepared.cookieJar?.cookies ?? null,
   };
@@ -234,6 +245,7 @@ class ResponseWriter {
   constructor(
     private readonly db: WorkerConnection,
     initial: ResponseRow,
+    private readonly assertions: HttpAssertions,
   ) {
     this.state = initial;
   }
@@ -266,8 +278,17 @@ class ResponseWriter {
     await this.db.rpc("models_upsert", { model: this.state });
   }
 
-  async finish(patch: ResponsePatch): Promise<void> {
-    await this.patch({ ...patch, state: "closed" });
+  async finish(patch: ResponsePatch, canceled = false): Promise<void> {
+    const response = { ...this.state, ...patch, state: "closed" as const };
+    const assertionResults =
+      this.assertions.version !== 1 || this.assertions.checks.length > 0
+        ? await this.db.rpc<AssertionReport>("evaluate_http_assertions", {
+            definition: this.assertions,
+            response,
+            canceled,
+          })
+        : null;
+    await this.patch({ ...patch, state: "closed", assertionResults });
   }
 }
 
@@ -315,17 +336,16 @@ class TimelineWriter {
  * yaak-models), so an edit made while the send was in flight survives rather
  * than being written over by the send's stale snapshot.
  */
-async function persistCookies(db: WorkerConnection, jar: CookieJar, cookies: Cookie[]): Promise<void> {
-  await db.rpc("web_persist_send_cookies", { cookieJarId: jar.id, before: jar.cookies, after: cookies });
-}
-
-/**
- * The request's workspace, needed to create the response row before the worker
- * has resolved the request (which is where a render refusal would land).
- */
-async function workspaceIdOfRequest(db: WorkerConnection, requestId: string): Promise<string> {
-  const req = await db.rpc<{ workspaceId: string }>("web_get_http_request", { requestId });
-  return req.workspaceId;
+async function persistCookies(
+  db: WorkerConnection,
+  jar: CookieJar,
+  cookies: Cookie[],
+): Promise<void> {
+  await db.rpc("web_persist_send_cookies", {
+    cookieJarId: jar.id,
+    before: jar.cookies,
+    after: cookies,
+  });
 }
 
 function errorMessage(err: unknown): string {