def check_error_response(self, response):
"""Raise an exception if the response from the SPI was an error.
Args:
response: A ResponseTuple containing the backend response.
Raises:
BackendError if the response is an error.
"""
status_code = int(response.status.split(' ', 1)[0])
if status_code >= 300:
raise errors.BackendError(response)
def test_dispatch_spi_error(self):
"""Check the error response if the SPI returns an error."""
config = json.dumps({
'name': 'guestbook_api',
'version': 'v1',
'methods': {
'guestbook.get': {
'httpMethod': 'GET',
'path': 'greetings/{gid}',
'rosyMethod': 'MyApi.greetings_get'
}
}
})
request = test_utils.build_request('/_ah/api/foo')
self.prepare_dispatch(config)
self.mox.StubOutWithMock(self.server, 'call_spi')
# The application chose to throw a 404 error.
response = dispatcher.ResponseTuple('404 Not Found', [],
('{"state": "APPLICATION_ERROR",'
' "error_message": "Test error"}'))
self.server.call_spi(request, mox.IgnoreArg()).AndRaise(
errors.BackendError(response))
self.mox.ReplayAll()
response = self.server.dispatch(request, self.start_response)
self.mox.VerifyAll()
expected_response = (
'{\n'
' "error": {\n'
' "code": 404, \n'
' "errors": [\n'
' {\n'
' "domain": "global", \n'
' "message": "Test error", \n'
' "reason": "notFound"\n'
' }\n'
' ], \n'
' "message": "Test error"\n'
' }\n'
'}')
response = ''.join(response)
self.assert_http_match(response, '404 Not Found',
[('Content-Length', '%d' % len(expected_response)),
('Content-Type', 'application/json')],
expected_response)
def test_dispatch_rpc_error(self):
"""Test than an RPC call that returns an error is handled properly."""
config = json.dumps({
'name': 'guestbook_api',
'version': 'v1',
'methods': {
'guestbook.get': {
'httpMethod': 'GET',
'path': 'greetings/{gid}',
'rosyMethod': 'MyApi.greetings_get'
}
}
})
request = test_utils.build_request(
'/_ah/api/rpc',
'{"method": "foo.bar", "apiVersion": "X", "id": "gapiRpc"}')
self.prepare_dispatch(config)
self.mox.StubOutWithMock(self.server, 'call_spi')
# The application chose to throw a 404 error.
response = dispatcher.ResponseTuple(
'404 Not Found', [], ('{"state": "APPLICATION_ERROR",'
' "error_message": "Test error"}'))
self.server.call_spi(request, mox.IgnoreArg()).AndRaise(
errors.BackendError(response))
self.mox.ReplayAll()
response = self.server.dispatch(request, self.start_response)
self.mox.VerifyAll()
expected_response = {
'error': {
'code':
404,
'message':
'Test error',
'data': [{
'domain': 'global',
'reason': 'notFound',
'message': 'Test error',
}]
},
'id': 'gapiRpc'
}
response = ''.join(response)
self.assertEqual('200 OK', self.response_status)
self.assertEqual(expected_response, json.loads(response))