Handle V2 import when produces comes after responses

Author: darrelmiller

src/Microsoft.OpenApi.Readers/V2/OpenApiOperationDeserializer.cs

@@ -131,7 +131,12 @@ internal static OpenApiOperation LoadOperation(ParseNode node)
                     operation.RequestBody = CreateFormBody(node.Context, formParameters);
                 }
             }
-            
+
+            foreach (var response in operation.Responses.Values)
+            {
+                ProcessProduces(response, node.Context);
+            }
+
             return operation;
         }
 

src/Microsoft.OpenApi.Readers/V2/OpenApiResponseDeserializer.cs

@@ -53,15 +53,22 @@ private static void ProcessProduces(OpenApiResponse response, ParsingContext con
             var produces = context.GetFromTempStorage<List<string>>(TempStorageKeys.OperationProduces) ??
                 context.GetFromTempStorage<List<string>>(TempStorageKeys.GlobalProduces) ?? new List<string>();
 
-            response.Content = new Dictionary<string, OpenApiMediaType>();
+            if (response.Content == null)
+            {
+                response.Content = new Dictionary<string, OpenApiMediaType>();
+            }
+
             foreach (var produce in produces)
             {
-                var mediaType = new OpenApiMediaType
+                if (!response.Content.ContainsKey(produce))
                 {
-                    Schema = context.GetFromTempStorage<OpenApiSchema>(TempStorageKeys.ResponseSchema)
-                };
+                    var mediaType = new OpenApiMediaType
+                    {
+                        Schema = context.GetFromTempStorage<OpenApiSchema>(TempStorageKeys.ResponseSchema)
+                    };
 
-                response.Content.Add(produce, mediaType);
+                    response.Content.Add(produce, mediaType);
+                }
             }
         }