def test_handle_deferred(self):
        @inlineCallbacks
        def get(**_):
            yield succeed(None)
            returnValue(("body", OK))

        request = DummyRequest()
        resource = Resource()
        resource.ALLOWED_CONTENT_TYPE = frozenset([""])
        resource.ALLOWED_ACCEPT = frozenset(["*/*"])
        resource.get = get

        with nested(
            patch.object(resource, "error"),
            patch.object(resource, "render_tuple"),
            patch.object(resource, "render_deferred"),
        ) as (error, render_tuple, render_deferred):
            response = resource.render(request)

        self.assertEqual(response, NOT_DONE_YET)
        self.assertFalse(error.called)
        self.assertFalse(render_tuple.called)
        self.assertEqual(render_deferred.call_count, 1)
        self.assertIs(render_deferred.call_args[0][0], request)
        self.assertIsInstance(render_deferred.call_args[0][1], Deferred)
    def test_data_schema_validation_failed(self):
        for method in ("POST", "PUT"):
            request = DummyRequest()
            request.method = method
            request.requestHeaders.setRawHeaders(
                "Content-Type", ["application/json"])
            request.requestHeaders.setRawHeaders(
                "Accept", ["application/json"])
            request.set_content(json.dumps({"bar": ""}))
            resource = Resource()
            resource.ALLOWED_CONTENT_TYPE = frozenset(["application/json"])
            resource.ALLOWED_ACCEPT = frozenset(["application/json"])
            resource.SCHEMAS = {
                method: Schema({Required("foo"): str})
            }
            method_impl = Mock(return_value=("", OK))
            setattr(resource, method.lower(), method_impl)

            with patch.object(resource, "error") as error:
                response = resource.render(request)

            self.assertEqual(response, NOT_DONE_YET)
            error.assert_called_once_with(
                request, BAD_REQUEST,
                "Failed to validate the request data against the schema: extra "
                "keys not allowed @ data[u'bar']"
            )
            self.assertFalse(method_impl.called)
    def test_data_is_not_json(self):
        for method in ("POST", "PUT"):
            request = DummyRequest()
            request.method = method
            request.requestHeaders.setRawHeaders(
                "Content-Type", ["application/json"])
            request.requestHeaders.setRawHeaders(
                "Accept", ["application/json"])
            request.set_content("/")
            resource = Resource()
            resource.ALLOWED_CONTENT_TYPE = frozenset(["application/json"])
            resource.ALLOWED_ACCEPT = frozenset(["application/json"])
            method_impl = Mock()
            setattr(resource, method.lower(), method_impl)

            with patch.object(resource, "error") as error:
                response = resource.render(request)

            self.assertEqual(response, NOT_DONE_YET)
            error.assert_called_once_with(
                request, BAD_REQUEST,
                "Failed to decode json data: "
                "ValueError('No JSON object could be decoded',)"
            )
            self.assertFalse(method_impl.called)
    def test_unsupported_media_type(self):
        resource = Resource()
        resource.ALLOWED_CONTENT_TYPE = frozenset("")
        resource.ALLOWED_ACCEPT = frozenset("")
        resource.get = lambda **_: ""
        request = DummyRequest()
        request.requestHeaders.setRawHeaders("Accept", ["foobar"])
        request.set_content("hello")

        with patch.object(resource, "error") as error:
            response = resource.render(request)

        self.assertEqual(response, NOT_DONE_YET)
        error.assert_called_once_with(
            request, UNSUPPORTED_MEDIA_TYPE,
            "Can only support content type(s) frozenset([])"
        )
    def test_handle_tuple(self):
        request = DummyRequest()
        resource = Resource()
        resource.ALLOWED_CONTENT_TYPE = frozenset([""])
        resource.ALLOWED_ACCEPT = frozenset(["*/*"])
        resource.get = lambda **_: ("body", OK)

        with nested(
            patch.object(resource, "error"),
            patch.object(resource, "render_tuple"),
            patch.object(resource, "render_deferred"),
        ) as (error, render_tuple, render_deferred):
            response = resource.render(request)

        self.assertEqual(response, NOT_DONE_YET)
        self.assertFalse(error.called)
        render_tuple.assert_called_once_with(request, ("body", OK))
        self.assertFalse(render_deferred.called)
    def test_exception_in_handler_method(self):
        def get(**_):
            raise ValueError("error")

        request = DummyRequest()
        resource = Resource()
        resource.ALLOWED_CONTENT_TYPE = frozenset(["application/json"])
        resource.ALLOWED_ACCEPT = frozenset(["*/*"])
        resource.get = get

        with patch.object(resource, "error") as error:
            response = resource.render(request)

        self.assertEqual(response, NOT_DONE_YET)
        error.assert_called_once_with(
            request, INTERNAL_SERVER_ERROR,
            "Unhandled error while rendering response: error"
        )
    def test_default_content_type(self):
        """
        If the Content-Type response header is not already set, set it based
        on the defaults
        """
        request = DummyRequest()
        resource = Resource()
        request.requestHeaders.setRawHeaders("Accept", ["application/json"])
        resource.ALLOWED_ACCEPT = frozenset(["application/json"])
        resource.ALLOWED_CONTENT_TYPE = frozenset(["application/json"])
        resource.DEFAULT_CONTENT_TYPE = frozenset(["application/pyfarm"])
        resource.get = lambda *_, **__: ""
        resource.render(request)

        self.assertEqual(
            request.responseHeaders.getRawHeaders("Content-Type"),
            ["application/pyfarm"]
        )
 def test_data_empty(self):
     for method in ("POST", "PUT"):
         request = DummyRequest()
         request.method = method
         request.requestHeaders.setRawHeaders(
             "Content-Type", ["application/json"])
         request.requestHeaders.setRawHeaders(
             "Accept", ["application/json"])
         resource = Resource()
         resource.ALLOWED_CONTENT_TYPE = frozenset(["application/json"])
         resource.ALLOWED_ACCEPT = frozenset(["application/json"])
         resource.SCHEMAS = {
             method: Schema({Required("foo"): str})
         }
         method_impl = Mock(return_value=("", OK))
         setattr(resource, method.lower(), method_impl)
         response = resource.render(request)
         self.assertEqual(response, NOT_DONE_YET)
         method_impl.assert_called_once_with(request=request)
    def test_handle_unknown_return_value(self):
        request = DummyRequest()
        resource = Resource()
        resource.ALLOWED_CONTENT_TYPE = frozenset([""])
        resource.ALLOWED_ACCEPT = frozenset(["*/*"])
        resource.get = lambda **_: None

        with nested(
            patch.object(resource, "error"),
            patch.object(resource, "render_tuple"),
            patch.object(resource, "render_deferred"),
        ) as (error, render_tuple, render_deferred):
            response = resource.render(request)

        self.assertEqual(response, NOT_DONE_YET)
        error.assert_called_once_with(
            request, INTERNAL_SERVER_ERROR,
            "Unhandled %r in response" % None
        )
        self.assertFalse(render_tuple.called)
        self.assertFalse(render_deferred.called)