def test_should_not_ignore_parent_classes_even_for_remote_ones(self):
# We want tracebacks
cfg.CONF.set_override('debug', True)
error = ClusterNotFoundChild(cluster='a')
exc_info = (type(error), error, None)
serialized = rpc_common.serialize_remote_exception(exc_info)
remote_error = rpc_common.deserialize_remote_exception(
serialized, ["senlin.tests.unit.middleware.test_fault_middleware"])
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(remote_error)
expected_message, expected_traceback = six.text_type(remote_error).\
split('\n', 1)
expected = {
'code': 404,
'error': {
'code': 404,
'message': expected_message,
'traceback': expected_traceback,
'type': 'ClusterNotFoundChild'
},
'explanation': 'The resource could not be found.',
'title': 'Not Found'
}
self.assertEqual(expected, msg)
def test_openstack_exception_with_kwargs(self):
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(senlin_exc.ClusterNotFound(cluster='a'))
expected = {
'code': 404,
'error': {
'code': 404,
'message': 'The cluster (a) could not be found.',
'type': 'ClusterNotFound'
},
'explanation': 'The resource could not be found.',
'title': 'Not Found'
}
self.assertEqual(expected, msg)
def test_openstack_exception_without_kwargs(self):
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(senlin_exc.PolicyNotSpecified())
expected = {
'code': 500,
'error': {
'code': 500,
'message': 'Policy not specified.',
'type': 'PolicyNotSpecified'
},
'explanation': 'The server has either erred or is incapable of '
'performing the requested operation.',
'title': 'Internal Server Error'
}
self.assertEqual(expected, msg)
def test_should_not_ignore_parent_classes(self):
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(ClusterNotFoundChild(type='cluster', id='a'))
expected = {
"code": 404,
"error": {
"code": 404,
"message": "The cluster 'a' could not be found.",
"type": "ClusterNotFoundChild"
},
"explanation": "The resource could not be found.",
"title": "Not Found"
}
self.assertEqual(expected, msg)
def test_should_not_ignore_parent_classes(self):
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(ClusterNotFoundChild(cluster='a'))
expected = {
'code': 404,
'error': {
'code': 404,
'message': 'The cluster (a) could not be found.',
'type': 'ClusterNotFoundChild'
},
'explanation': 'The resource could not be found.',
'title': 'Not Found'
}
self.assertEqual(expected, msg)
def test_openstack_exception_with_kwargs(self):
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(
senlin_exc.ResourceNotFound(type='cluster', id='a'))
expected = {
"code": 404,
"error": {
"code": 404,
"message": "The cluster 'a' could not be found.",
"type": "ResourceNotFound"
},
"explanation": "The resource could not be found.",
"title": "Not Found"
}
self.assertEqual(expected, msg)
def remote_exception_helper(self, name, error):
exc_info = (type(error), error, None)
serialized = rpc_common.serialize_remote_exception(exc_info)
remote_error = rpc_common.deserialize_remote_exception(
serialized, name)
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(remote_error)
expected = {
'code': 500,
'error': {
'code': 500,
'message': msg['error']['message'],
'type': 'RemoteError'
},
'explanation': msg['explanation'],
'title': 'Internal Server Error'
}
self.assertEqual(expected, msg)
def test_exception_with_non_ascii_chars(self):
# We set debug to true to test the code path for serializing traces too
cfg.CONF.set_override('debug', True)
msg = u'Error with non-ascii chars \x80'
class TestException(senlin_exc.SenlinException):
msg_fmt = msg
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(TestException())
self.assertEqual(500, msg['code'])
self.assertEqual(500, msg['error']['code'])
self.assertEqual(u'Error with non-ascii chars \x80',
msg['error']['message'])
self.assertEqual('TestException', msg['error']['type'])
self.assertEqual(
'The server has either erred or is incapable of '
'performing the requested operation.', msg['explanation'])
self.assertEqual('Internal Server Error', msg['title'])
def test_disguised_http_exception_with_newline(self):
wrapper = fault.FaultWrapper(None)
newline_error = ErrorWithNewline('Error with \n newline')
msg = wrapper._error(senlin_exc.HTTPExceptionDisguise(newline_error))
expected = {
'code':
400,
'error': {
'code': 400,
'message': 'Error with \n newline',
'type': 'ErrorWithNewline'
},
'explanation':
'The server could not comply with the request '
'since it is either malformed or otherwise '
'incorrect.',
'title':
'Bad Request'
}
self.assertEqual(expected, msg)
def test_internal_server_error_when_exception_and_parents_not_mapped(self):
wrapper = fault.FaultWrapper(None)
class NotMappedException(Exception):
pass
msg = wrapper._error(NotMappedException('A message'))
expected = {
"code":
500,
"error": {
"code": 500,
"message": "A message",
"type": "NotMappedException"
},
"explanation": ("The server has either erred or is incapable "
"of performing the requested operation."),
"title":
"Internal Server Error"
}
self.assertEqual(expected, msg)
def test_remote_exception(self):
cfg.CONF.set_override('debug', True)
error = senlin_exc.ResourceNotFound(type='cluster', id='a')
exc_info = (type(error), error, None)
serialized = rpc_common.serialize_remote_exception(exc_info)
remote_error = rpc_common.deserialize_remote_exception(
serialized, ["senlin.common.exception"])
wrapper = fault.FaultWrapper(None)
msg = wrapper._error(remote_error)
expected_message = six.text_type(remote_error).split('\n', 1)[0]
expected = {
'code': 404,
'error': {
'code': 404,
'message': expected_message,
'type': 'ResourceNotFound'
},
'explanation': 'The resource could not be found.',
'title': 'Not Found'
}
self.assertEqual(expected, msg)
def test_internal_server_error_when_exeption_and_parents_not_mapped(self):
wrapper = fault.FaultWrapper(None)
class NotMappedException(Exception):
pass
msg = wrapper._error(NotMappedException('A message'))
expected = {
'code':
500,
'error': {
'code': 500,
'message': u'A message',
'type': 'NotMappedException'
},
'explanation': ('The server has either erred or is incapable '
'of performing the requested operation.'),
'title':
'Internal Server Error'
}
self.assertEqual(expected, msg)
def fault_filter(app, conf, **local_conf):
return fault.FaultWrapper(app)
