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Add injectable IScenarioStateStore for distributed scenario state (#1430)

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* Move ScenarioState to Abstractions and add IScenarioStateStore interface

ScenarioState is moved to the Abstractions project so it can be referenced
by the new IScenarioStateStore interface. The interface defines the contract
for storing and retrieving scenario states, enabling distributed implementations.

* Add InMemoryScenarioStateStore default implementation

Wraps ConcurrentDictionary with OrdinalIgnoreCase comparer, preserving
exact current behavior. The Update method encapsulates read-modify-write
so distributed implementations can make it atomic.

* Wire IScenarioStateStore into middleware options, settings, and consumers

Replace direct ConcurrentDictionary<string, ScenarioState> usage with
IScenarioStateStore across all consumer files. The store is injectable
via WireMockServerSettings.ScenarioStateStore, defaulting to the
InMemoryScenarioStateStore for backward compatibility.

* Add FileBasedScenarioStateStore for persistent scenario state

In-memory ConcurrentDictionary backed by JSON file persistence in
__admin/scenarios/. Reads from cache, mutations write through to disk.
Constructor loads existing state from disk on startup.

* Make ScenarioStateStore non-nullable with default InMemoryScenarioStateStore

Move InMemoryScenarioStateStore from WireMock.Net.Minimal to
WireMock.Net.Shared so it lives alongside WireMockServerSettings.
This allows WireMockServerSettings.ScenarioStateStore to be
non-nullable with a default value, following the same pattern as
DefaultJsonSerializer. The null-coalescing fallback in
WireMockMiddlewareOptionsHelper is no longer needed.
This commit is contained in:
m4tchl0ck
2026-03-25 13:04:44 +01:00
committed by GitHub
parent cdd33695e5
commit f919929cb7
17 changed files with 1454 additions and 801 deletions
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30
test/WireMock.Net.Tests/StatefulBehaviorTests.cs
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@@ -325,26 +325,26 @@ public class StatefulBehaviorTests
var getResponse1 = await client.GetStringAsync("/todo/items", cancelationToken);
getResponse1.Should().Be("Buy milk");
server.Scenarios["To do list"].Name.Should().Be("To do list");
server.Scenarios["To do list"].NextState.Should().Be("TodoList State Started");
server.Scenarios["To do list"].Started.Should().BeTrue();
server.Scenarios["To do list"].Finished.Should().BeFalse();
server.Scenarios.First(s => s.Name == "To do list").Name.Should().Be("To do list");
server.Scenarios.First(s => s.Name == "To do list").NextState.Should().Be("TodoList State Started");
server.Scenarios.First(s => s.Name == "To do list").Started.Should().BeTrue();
server.Scenarios.First(s => s.Name == "To do list").Finished.Should().BeFalse();
var postResponse = await client.PostAsync("/todo/items", new StringContent("Cancel newspaper subscription"), cancelationToken);
postResponse.StatusCode.Should().Be(HttpStatusCode.Created);
server.Scenarios["To do list"].Name.Should().Be("To do list");
server.Scenarios["To do list"].NextState.Should().Be("Cancel newspaper item added");
server.Scenarios["To do list"].Started.Should().BeTrue();
server.Scenarios["To do list"].Finished.Should().BeFalse();
server.Scenarios.First(s => s.Name == "To do list").Name.Should().Be("To do list");
server.Scenarios.First(s => s.Name == "To do list").NextState.Should().Be("Cancel newspaper item added");
server.Scenarios.First(s => s.Name == "To do list").Started.Should().BeTrue();
server.Scenarios.First(s => s.Name == "To do list").Finished.Should().BeFalse();
string getResponse2 = await client.GetStringAsync("/todo/items", cancelationToken);
getResponse2.Should().Be("Buy milk;Cancel newspaper subscription");
server.Scenarios["To do list"].Name.Should().Be("To do list");
server.Scenarios["To do list"].NextState.Should().BeNull();
server.Scenarios["To do list"].Started.Should().BeTrue();
server.Scenarios["To do list"].Finished.Should().BeTrue();
server.Scenarios.First(s => s.Name == "To do list").Name.Should().Be("To do list");
server.Scenarios.First(s => s.Name == "To do list").NextState.Should().BeNull();
server.Scenarios.First(s => s.Name == "To do list").Started.Should().BeTrue();
server.Scenarios.First(s => s.Name == "To do list").Finished.Should().BeTrue();
server.Stop();
}
@@ -372,14 +372,14 @@ public class StatefulBehaviorTests
// Act and Assert
server.SetScenarioState(scenario, "Buy milk");
server.Scenarios[scenario].Should().BeEquivalentTo(new { Name = scenario, NextState = "Buy milk" });
server.Scenarios.First(s => s.Name == scenario).Should().BeEquivalentTo(new { Name = scenario, NextState = "Buy milk" });
var getResponse1 = await client.GetStringAsync("/todo/items", cancelationToken);
getResponse1.Should().Be("Buy milk");
server.SetScenarioState(scenario, "Cancel newspaper");
server.Scenarios[scenario].Name.Should().Be(scenario);
server.Scenarios[scenario].Should().BeEquivalentTo(new { Name = scenario, NextState = "Cancel newspaper" });
server.Scenarios.First(s => s.Name == scenario).Name.Should().Be(scenario);
server.Scenarios.First(s => s.Name == scenario).Should().BeEquivalentTo(new { Name = scenario, NextState = "Cancel newspaper" });
var getResponse2 = await client.GetStringAsync("/todo/items", cancelationToken);
getResponse2.Should().Be("Buy milk;Cancel newspaper subscription");