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_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_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)
def test_non_callable_method(self):
resource = Resource()
resource.get = lambda self: None
resource.put = lambda self: None
resource.delete = None
self.assertEqual(set(resource.methods()), set(["get", "put"]))
def test_methods(self):
resource = Resource()
resource.get = lambda self: None
resource.put = lambda self: None
self.assertEqual(set(resource.methods()), set(["get", "put"]))