test: add FakeControllerWithInheritance + add a 'response' test

test/Swashbuckle.AspNetCore.SwaggerGen.Test/Fixtures/FakeController.cs

@@ -70,25 +70,6 @@ public void ActionWithAuthorizationFromHeaderParameter([FromHeader] string autho
     public void ActionWithObjectParameter(XmlAnnotatedType param)
     { }
 
-    public void ActionWithDerivedObjectParameter(AbcTests_C param)
-    { }
-
-    // Helper test types for GenerateSchema_PreservesIntermediateBaseProperties_WhenUsingOneOfPolymorphism
-    public abstract class AbcTests_A
-    {
-        public string PropA { get; set; }
-    }
-
-    public class AbcTests_B : AbcTests_A
-    {
-        public string PropB { get; set; }
-    }
-
-    public class AbcTests_C : AbcTests_B
-    {
-        public string PropC { get; set; }
-    }
-
     public class TypeWithRequiredProperty
     {
         public required string RequiredProperty { get; set; }

test/Swashbuckle.AspNetCore.SwaggerGen.Test/Fixtures/FakeControllerWithInheritance.cs

@@ -0,0 +1,30 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace Swashbuckle.AspNetCore.SwaggerGen.Test;
+
+public class FakeControllerWithInheritance
+{
+    public void ActionWithDerivedObjectParameter([FromBody] AbcTests_C param)
+    { }
+
+    public List<AbcTests_A> ActionWithDerivedObjectResponse()
+    {
+        return null!;
+    }
+
+    // Helper test types for GenerateSchema_PreservesIntermediateBaseProperties_WhenUsingOneOfPolymorphism
+    public abstract class AbcTests_A
+    {
+        public string PropA { get; set; }
+    }
+
+    public class AbcTests_B : AbcTests_A
+    {
+        public string PropB { get; set; }
+    }
+
+    public class AbcTests_C : AbcTests_B
+    {
+        public string PropC { get; set; }
+    }
+}

test/Swashbuckle.AspNetCore.SwaggerGen.Test/VerifyTests.cs

@@ -1118,7 +1118,7 @@ public async Task GenerateSchema_PreservesIntermediateBaseProperties_WhenUsingOn
         var subject = Subject(
             apiDescriptions:
             [
-                ApiDescriptionFactory.Create<FakeController>(
+                ApiDescriptionFactory.Create<FakeControllerWithInheritance>(
                     c => nameof(c.ActionWithDerivedObjectParameter),
                     groupName: "v1",
                     httpMethod: "POST",
@@ -1129,8 +1129,26 @@ public async Task GenerateSchema_PreservesIntermediateBaseProperties_WhenUsingOn
                         {
                             Name = "param1",
                             Source = BindingSource.Body,
-                            Type = typeof(FakeController.AbcTests_C), // most derived type
-                            ModelMetadata = ModelMetadataFactory.CreateForType(typeof(FakeController.AbcTests_C)),
+                            Type = typeof(FakeControllerWithInheritance.AbcTests_C), // most derived type
+                            ModelMetadata = ModelMetadataFactory.CreateForType(typeof(FakeControllerWithInheritance.AbcTests_C)),
+                        },
+                    ],
+                    supportedRequestFormats:
+                    [
+                        new ApiRequestFormat { MediaType = "application/json" },
+                    ]),
+                ApiDescriptionFactory.Create<FakeControllerWithInheritance>(
+                    c => nameof(c.ActionWithDerivedObjectResponse),
+                    groupName: "v1",
+                    httpMethod: "GET",
+                    relativePath: "resource",
+                    parameterDescriptions: [],
+                    supportedResponseTypes: [
+                        new ApiResponseType
+                        {
+                            ApiResponseFormats = [new ApiResponseFormat { MediaType = "application/json" }],
+                            StatusCode = 200,
+                            Type = typeof(FakeControllerWithInheritance.AbcTests_A),
                         },
                     ]),
             ],
@@ -1139,8 +1157,8 @@ public async Task GenerateSchema_PreservesIntermediateBaseProperties_WhenUsingOn
                 c.UseOneOfForPolymorphism = true;
                 c.SubTypesSelector =
                     (type) => (Type[])(
-                        type == typeof(FakeController.AbcTests_A)
-                            ? [typeof(FakeController.AbcTests_C)]
+                        type == typeof(FakeControllerWithInheritance.AbcTests_A)
+                            ? [typeof(FakeControllerWithInheritance.AbcTests_C)]
                             : []
                     );
             }

test/Swashbuckle.AspNetCore.SwaggerGen.Test/snapshots/VerifyTests.GenerateSchema_PreservesIntermediateBaseProperties_WhenUsingOneOfPolymorphism.DotNet10_0.verified.txt

@@ -8,16 +8,46 @@
     "/resource": {
       "post": {
         "tags": [
-          "Fake"
+          "FakeWithInheritance"
         ],
         "requestBody": {
-          "content": { }
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/AbcTests_C"
+              }
+            }
+          }
         },
         "responses": {
           "200": {
             "description": "OK"
           }
         }
+      },
+      "get": {
+        "tags": [
+          "FakeWithInheritance"
+        ],
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "array",
+                  "items": {
+                    "oneOf": [
+                      {
+                        "$ref": "#/components/schemas/AbcTests_C"
+                      }
+                    ]
+                  }
+                }
+              }
+            }
+          }
+        }
       }
     }
   },
@@ -56,7 +86,7 @@
   },
   "tags": [
     {
-      "name": "Fake"
+      "name": "FakeWithInheritance"
     }
   ]
 }

test/Swashbuckle.AspNetCore.SwaggerGen.Test/snapshots/VerifyTests.GenerateSchema_PreservesIntermediateBaseProperties_WhenUsingOneOfPolymorphism.DotNet8_0.verified.txt

@@ -8,16 +8,46 @@
     "/resource": {
       "post": {
         "tags": [
-          "Fake"
+          "FakeWithInheritance"
         ],
         "requestBody": {
-          "content": { }
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/AbcTests_C"
+              }
+            }
+          }
         },
         "responses": {
           "200": {
             "description": "OK"
           }
         }
+      },
+      "get": {
+        "tags": [
+          "FakeWithInheritance"
+        ],
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "array",
+                  "items": {
+                    "oneOf": [
+                      {
+                        "$ref": "#/components/schemas/AbcTests_C"
+                      }
+                    ]
+                  }
+                }
+              }
+            }
+          }
+        }
       }
     }
   },
@@ -56,7 +86,7 @@
   },
   "tags": [
     {
-      "name": "Fake"
+      "name": "FakeWithInheritance"
     }
   ]
 }

test/Swashbuckle.AspNetCore.SwaggerGen.Test/snapshots/VerifyTests.GenerateSchema_PreservesIntermediateBaseProperties_WhenUsingOneOfPolymorphism.DotNet9_0.verified.txt

@@ -8,16 +8,46 @@
     "/resource": {
       "post": {
         "tags": [
-          "Fake"
+          "FakeWithInheritance"
         ],
         "requestBody": {
-          "content": { }
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/AbcTests_C"
+              }
+            }
+          }
         },
         "responses": {
           "200": {
             "description": "OK"
           }
         }
+      },
+      "get": {
+        "tags": [
+          "FakeWithInheritance"
+        ],
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "array",
+                  "items": {
+                    "oneOf": [
+                      {
+                        "$ref": "#/components/schemas/AbcTests_C"
+                      }
+                    ]
+                  }
+                }
+              }
+            }
+          }
+        }
       }
     }
   },
@@ -56,7 +86,7 @@
   },
   "tags": [
     {
-      "name": "Fake"
+      "name": "FakeWithInheritance"
     }
   ]
 }