Add GraphQL Schema matching (#964)

* Add GrapQLMatcher

* tests

* x

* .

* .

* RequestMessageGraphQLMatcher

* .

* more tests

* tests

* ...

* ms

* .

* more tests

* GraphQL.NET !!!

* .

* executionResult

* nw

* sonarcloud

examples/WireMock.Net.Console.NET6/WireMock.Net.Console.NET6.csproj

@@ -27,10 +27,8 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\src\WireMock.Net\WireMock.Net.csproj" />
-    <!--<PackageReference Include="Handlebars.Net.Helpers" Version="2.*" />-->
     <PackageReference Include="log4net" Version="2.0.15" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="6.0.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>

examples/WireMock.Net.Console.Net452.Classic/MainApp.cs

@@ -42,6 +42,36 @@ namespace WireMock.Net.ConsoleApplication
 
     public static class MainApp
     {
+        private const string TestSchema = @"
+  input MessageInput {
+    content: String
+    author: String
+  }
+
+  type Message {
+    id: ID!
+    content: String
+    author: String
+  }
+
+  type Mutation {
+    createMessage(input: MessageInput): Message
+    updateMessage(id: ID!, input: MessageInput): Message
+  }
+
+  type Query {
+   greeting:String
+   students:[Student]
+   studentById(id:ID!):Student
+  }
+
+  type Student {
+   id:ID!
+   firstName:String
+   lastName:String
+   fullName:String 
+  }";
+
         public static void Run()
         {
             var mappingBuilder = new MappingBuilder();
@@ -137,6 +167,16 @@ namespace WireMock.Net.ConsoleApplication
 
             // server.AllowPartialMapping();
 
+            server
+                .Given(Request.Create()
+                    .WithPath("/graphql")
+                    .UsingPost()
+                    .WithGraphQLSchema(TestSchema)
+                )
+                .RespondWith(Response.Create()
+                    .WithBody("GraphQL is ok")
+                );
+
             // 400 ms
             server
                 .Given(Request.Create()