def setUp(self):
AwsExceptionsFactory._EX_REGISTRY.clear()
AwsExceptionsFactory.add_exception("TestEx", TestEx)
self._http_cls = Mock()
self._http_module = Mock(return_value=self._http_cls)
self._http_client = AwsHttpClient(self._http_module)
def test_add_exception(self):
'''Test case for add_exception method success scenario.'''
AwsExceptionsFactory.add_exception("AccessDenied", TestEx)
result = AwsExceptionsFactory._EX_REGISTRY.get("AccessDenied")
self.assertIsNotNone(result)
self.assertIs(TestEx, result)
def test_get_exception_concrete(self):
'''Test case for get exception method when a concrete exception is found.'''
AwsExceptionsFactory.add_exception("AccessDenied", TestEx)
for code in ["AccessDenied", "Access.Denied"]:
self._error_response["ErrorResponse"]["Error"]["Code"] = code
ex = AwsExceptionsFactory.get_exception(self._error_response)
self.assertIsInstance(ex, TestEx)
self.assertEqual(400, ex.http_status)
self.assertEqual("Sender", ex.error_type)
self.assertEqual("AccessDenied", ex.error_code)
self.assertEqual("Test message", ex.error_msg)
self.assertEqual("123", ex.request_id)
def do_request(self, url, headers, action, method="GET"):
'''Method used to execute an aws http request. In case an exception occurs an aws strong type exception is thrown.
Otherwise the json response is returned.
:param url: The AWS SQS url we want to invoke through http.
:type url: string
:param headers: A dictionary containing all signed headers we want to send to aws.
:type headers: dict
:param action: The sqs action we are currently invoking against SQS. It is used for extracting only useful part of
the response.
:type action: string
:param method: The HTTP method used for invoking the url.
:type method: string
:returns: json
:except: :py:class:`aws.core.aws_exceptions.AwsGenericException`
'''
request = self._http_module()
resp, content = request.request(url, method, headers=headers)
if resp.status >= 400:
err_resp = json.loads(content.decode())
raise AwsExceptionsFactory.get_exception(err_resp)
if not content:
return {}
content = json.loads(content.decode())
return content["%sResponse" % action]["%sResult" % action]
def test_get_exception_generic(self):
'''Test case for get exception method when no concrete exception is found but the error response is valid.'''
ex = AwsExceptionsFactory.get_exception(self._error_response, 400)
self.assertIsInstance(ex, AwsGenericException)
self.assertEqual(400, ex.http_status)
self.assertEqual("Sender", ex.error_type)
self.assertEqual("AccessDenied", ex.error_code)
self.assertEqual("Test message", ex.error_msg)
self.assertEqual("123", ex.request_id)
def test_register_exceptions_from_module(self):
'''Test case for checking that exceptions from a given module are registered correctly.'''
expected_exceptions = inspect.getmembers(aws_exceptions,
lambda obj: inspect.isclass(obj) and
issubclass(obj, aws_exceptions.AwsGenericException) and
obj != aws_exceptions.AwsGenericException)
self.assertGreater(len(expected_exceptions), 0, "aws_exceptions module must contain all common aws exceptions.")
aws_config.register_exceptions(aws_exceptions)
self.assertEqual(len(expected_exceptions), len(AwsExceptionsFactory._EX_REGISTRY.keys()))
err_resp = {"ErrorResponse": {"Error": {"Type": "Sender", "Message": "Test", "Code": "AccessDenied"},
"RequestId": "123"}}
ex = AwsExceptionsFactory.get_exception(err_resp)
self.assertEqual(403, ex.http_status)
self.assertEqual("Test", ex.error_msg)
self.assertEqual("Sender", ex.error_type)
self.assertEqual("123", ex.request_id)
def test_add_exception_exist(self):
'''Test case for add_exception method when the code is already registered in the factory.'''
AwsExceptionsFactory.add_exception("AccessDenied", TestEx)
self.assertRaises(ValueError, AwsExceptionsFactory.add_exception, *["AccessDenied", TestEx])
