Using both produces and response

docs/sanic_openapi/decorators.md

@@ -265,4 +265,4 @@ async def test(request):
 And the responses will be:
 ![](../_static/images/decorators/response.png)
 
-Please note that when you use `response()` decorator, the default response(with status 200) will not be document by default.
+Please note that when you use `response()` and `produces()` decorators together, the `response()` decorator with status 200 will have no effect.

sanic_openapi/swagger.py

@@ -177,18 +177,20 @@ def build_spec(app, loop):
 
             responses = {}
 
-            if len(route_spec.response) == 0:
-                responses["200"] = {
-                    "schema": serialize_schema(route_spec.produces.field) if route_spec.produces else None,
-                    "description": route_spec.produces.description if route_spec.produces else None,
-                }
-
             for (status_code, routefield) in route_spec.response:
                 responses["{}".format(status_code)] = {
                     "schema": serialize_schema(routefield.field),
                     "description": routefield.description,
                 }
 
+            if route_spec.produces:
+                responses["200"] = {
+                    "schema": serialize_schema(route_spec.produces.field),
+                    "description": route_spec.produces.description,
+                }
+            elif not responses:
+                responses["200"] = {"schema": None, "description": None}
+
             endpoint = remove_nulls(
                 {
                     "operationId": route_spec.operation or route.name,

tests/test_decorators.py

@@ -166,6 +166,38 @@ def test(request):
     assert swagger_json["paths"]["/"]["post"]["responses"] == responses
 
 
+@pytest.mark.parametrize(
+    "produces_args, produces_kwargs, response_args, responses",
+    [
+        ([], {}, [], {"200": {}}),
+        ([doc.String], {}, [200, {}], {"200": {"schema": {"type": "string"}}}),
+        (
+            [TestSchema],
+            {"content_type": "application/json"},
+            [201, {}],
+            {
+                "200": {"schema": {"$ref": "#/definitions/TestSchema"}},
+                "201": {"schema": {"type": "object", "properties": {}}},
+            },
+        ),
+    ],
+)
+def test_produces_and_response(app, produces_args, produces_kwargs, response_args, responses):
+    @app.post("/")
+    @doc.produces(*produces_args, **produces_kwargs)
+    @doc.response(*response_args)
+    def test(request):
+        return text("test")
+
+    _, response = app.test_client.get("/swagger/swagger.json")
+    assert response.status == 200
+    assert response.content_type == "application/json"
+
+    swagger_json = response.json
+    print(swagger_json["paths"]["/"]["post"]["responses"])
+    assert swagger_json["paths"]["/"]["post"]["responses"] == responses
+
+
 def test_tag(app):
     @app.get("/")
     @doc.tag("test")