[csharp] Process webhook operations

.github/workflows/openapi-generator.yaml

@@ -142,6 +142,7 @@ jobs:
           path: modules/openapi-generator-cli/target
       - name: Delete samples that are entirely generated
         run: |
+          rm -rf samples/client/petstore/csharp/generichost/latest/HelloWorld
           rm -rf samples/client/petstore/csharp/generichost/latest/Tags
 
           rm -rf samples/client/petstore/csharp/generichost/net8/AllOf

.github/workflows/samples-dotnet9.yaml

@@ -24,6 +24,7 @@ jobs:
       matrix:
         sample:
           - samples/client/petstore/csharp/generichost/latest/Tags
+          - samples/client/petstore/csharp/generichost/latest/HelloWorld
           - samples/client/petstore/csharp/generichost/net9/AllOf
           - samples/client/petstore/csharp/generichost/net9/AnyOf
           - samples/client/petstore/csharp/generichost/net9/AnyOfNoCompare

appveyor.yml

@@ -43,6 +43,9 @@ build_script:
   #- dotnet build samples\client\petstore\csharp\OpenAPIClient-ConditionalSerialization\Org.OpenAPITools.sln
 
 test_script:
+  - dotnet test samples\client\petstore\csharp\generichost\latest\Tags\src\Org.OpenAPITools.Test\Org.OpenAPITools.Test.csproj
+  - dotnet test samples\client\petstore\csharp\generichost\latest\HelloWorld\src\Org.OpenAPITools.Test\Org.OpenAPITools.Test.csproj
+
   - dotnet test samples\client\petstore\csharp\generichost\net9\AllOf\src\Org.OpenAPITools.Test\Org.OpenAPITools.Test.csproj
   - dotnet test samples\client\petstore\csharp\generichost\net9\AnyOf\src\Org.OpenAPITools.Test\Org.OpenAPITools.Test.csproj
   - dotnet test samples\client\petstore\csharp\generichost\net9\AnyOfNoCompare\src\Org.OpenAPITools.Test\Org.OpenAPITools.Test.csproj

bin/configs/csharp-generichost-latest-helloWorld.yaml

@@ -0,0 +1,9 @@
+# for csharp generichost
+generatorName: csharp
+outputDir: samples/client/petstore/csharp/generichost/latest/HelloWorld
+inputSpec: modules/openapi-generator/src/test/resources/3_0/csharp/hello-world.yaml
+templateDir: modules/openapi-generator/src/main/resources/csharp
+additionalProperties:
+  packageGuid: '{321C8C3F-0156-40C1-AE42-D59761FB9B6C}'
+  modelPropertySorting: alphabetical
+  operationParameterSorting: alphabetical

modules/openapi-generator/src/test/resources/3_0/csharp/hello-world.yaml

@@ -0,0 +1,28 @@
+openapi: 3.1.0
+info:
+  title: Minimal reproduction for csharp webhook bug
+  version: 1.0.0
+  description: This is an example API to reproduce a bug with webhooks in csharp codegen
+tags:
+  - name: Test
+    description: This is a test
+webhooks:
+  helloWorld:
+    post:
+      summary: Example webhook
+      responses:
+        "204":
+          description: Webhook processed
+        "500":
+          description: Webhook not processed
+      description: Send when an example is needed
+      requestBody:
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                message:
+                  type: string
+              description: The payload of the HelloWorld webhook
+        description: Contains the details of the hello world webhook