From 15773db3dcdcf6648b5155fbf7683223ce00051f Mon Sep 17 00:00:00 2001
From: Stef Heyenrath <Stef.Heyenrath@gmail.com>
Date: Sat, 19 Jul 2025 09:04:49 +0200
Subject: [PATCH] Updated Request Matching GraphQLMatcher (markdown)

---
 Request-Matching-GraphQLMatcher.md | 195 +++++++++++++++++++++--------
 1 file changed, 140 insertions(+), 55 deletions(-)

diff --git a/Request-Matching-GraphQLMatcher.md b/Request-Matching-GraphQLMatcher.md
index 4dd9d4e..1e6181c 100644
--- a/Request-Matching-GraphQLMatcher.md
+++ b/Request-Matching-GraphQLMatcher.md
@@ -1,78 +1,163 @@
 # GraphQL Schema (GraphQLMatcher)
-Can be used to match a GraphQL `Query` using GraphQL Schema (`MUtation` is not yet supported I think...)
+Can be used to match a GraphQL `Query` using GraphQL Schema (`Mutation` is not yet supported I think...)
 
-## Define a mapping which includes a GraphQL Schema which should be used for matching the body:
+## Define a mappings which include a GraphQL Schema which should be used for matching that body:
 ### C#
 ```csharp
-var TestSchema = @"
-  input MessageInput {
-    content: String
-    author: String
-  }
+private const string TestSchemaQueryStudents =
+    """
+    type Query {
+        students:[Student]
+    }
 
-  type Message {
-    id: ID!
-    content: String
-    author: String
-  }
+    type Student {
+        id:ID!
+        firstName:String
+        lastName:String
+        fullName:String 
+    }
+    """;
 
-  type Mutation {
-    createMessage(input: MessageInput): Message
-    updateMessage(id: ID!, input: MessageInput): Message
-  }
+private const string TestSchemaQueryStudentById =
+    """
+    type Query {
+        studentById(id:ID!):Student
+    }
 
-  type Query {
-   greeting:String
-   students:[Student]
-   studentById(id:ID!):Student
-  }
-
-  type Student {
-   id:ID!
-   firstName:String
-   lastName:String
-   fullName:String 
-  }";
+    type Student {
+        id:ID!
+        firstName:String
+        lastName:String
+        fullName:String 
+    }
+    """;
 
 var server = WireMockServer.Start();
 server
     .Given(Request.Create()
         .WithPath("/graphql")
         .UsingPost()
-        .WithGraphQLSchema(TestSchema)
+        .WithGraphQLSchema(TestSchemaQueryStudents)
     )
     .RespondWith(Response.Create()
-        .WithBody("GraphQL is ok")
+        .WithHeader("Content-Type", "application/json")
+        .WithBody(
+            """
+            {
+              "data": {
+                "students": [
+                  {
+                    "id": "1",
+                    "firstName": "Alice",
+                    "lastName": "Johnson",
+                    "fullName": "Alice Johnson"
+                  },
+                  {
+                    "id": "2",
+                    "firstName": "Bob",
+                    "lastName": "Smith",
+                    "fullName": "Bob Smith"
+                  }
+                ]
+              }
+            }
+            """)
+    );
+
+server
+    .Given(Request.Create()
+        .WithPath("/graphql")
+        .UsingPost()
+        .WithGraphQLSchema(TestSchemaQueryStudentById)
+        .WithBody(new WildcardMatcher("\"sid\": \"1\""))
+    )
+    .WithTitle("Student found")
+    .RespondWith(Response.Create()
+        .WithHeader("Content-Type", "application/json")
+        .WithBody(
+            """
+            {
+              "data": {
+                "studentById": {
+                  "id": "123",
+                  "firstName": "John",
+                  "lastName": "Doe",
+                  "fullName": "John Doe"
+                }
+              }
+            }
+            """)
+    );
+
+server
+    .Given(Request.Create()
+        .WithPath("/graphql")
+        .UsingPost()
+        .WithGraphQLSchema(TestSchemaQueryStudentById)
+    )
+    .WithTitle("Student not found")
+    .RespondWith(Response.Create()
+        .WithHeader("Content-Type", "application/json")
+        .WithBody(
+            """
+            {
+              "data": null
+            }
+            """)
     );
 ```
 
-### JSON Mapping
+## Use / Test
+When WireMock.Net is started (see above) with that GraphQL Schema, a client can send GraphQL:
+
+### Query Students
+#### Request
+``` cmd
+curl --location 'http://localhost:9091/graphql' \
+--header 'Content-Type: application/json' \
+--data '{"query":"{\r\n  students {\r\n    fullName\r\n    id\r\n  }\r\n}","variables":{}}'
+```
+
+#### Response
 ``` json
 {
-  "Guid": "5a36d1c1-11df-4976-90f9-22cae5dadb38",
-  "UpdatedAt": "2023-07-08T17:02:06.1072879Z",
-  "Request": {
-      "Path": {
-          "Matchers": [
-              {
-                  "Name": "WildcardMatcher",
-                  "Pattern": "/graphql",
-                  "IgnoreCase": false
-              }
-          ]
-      },
-      "Methods": [
-          "POST"
-      ],
-      "Body": {
-          "Matcher": {
-              "Name": "GraphQLMatcher",
-              "Pattern": "\r\n  input MessageInput {\r\n    content: String\r\n    author: String\r\n  }\r\n\r\n  type Message {\r\n    id: ID!\r\n    content: String\r\n    author: String\r\n  }\r\n\r\n  type Mutation {\r\n    createMessage(input: MessageInput): Message\r\n    updateMessage(id: ID!, input: MessageInput): Message\r\n  }\r\n\r\n  type Query {\r\n   greeting:String\r\n   students:[Student]\r\n   studentById(id:ID!):Student\r\n  }\r\n\r\n  type Student {\r\n   id:ID!\r\n   firstName:String\r\n   lastName:String\r\n   fullName:String \r\n  }"
-          }
-      }
-  }
+    "data": {
+        "students": [
+            {
+                "id": "1",
+                "firstName": "Alice",
+                "lastName": "Johnson",
+                "fullName": "Alice Johnson"
+            },
+            {
+                "id": "2",
+                "firstName": "Bob",
+                "lastName": "Smith",
+                "fullName": "Bob Smith"
+            }
+        ]
+    }
 }
 ```
 
-## Use / Test
-When WireMock.Net is started (see above) with that GraphQL Schema, a client can send GraphQL
\ No newline at end of file
+### Query Student by Id
+#### Request
+``` cmd
+curl --location 'http://localhost:9091/graphql' \
+--header 'Content-Type: application/json' \
+--data '{"query":"query ($sid: ID!)\r\n{\r\n  studentById(id: $sid) {\r\n    fullName\r\n    id\r\n  }\r\n}","variables":{"sid":"1"}}'
+```
+
+#### Response
+``` json
+{
+    "data": {
+        "studentById": {
+            "id": "123",
+            "firstName": "John",
+            "lastName": "Doe",
+            "fullName": "John Doe"
+        }
+    }
+}
+```
\ No newline at end of file