def test_request_fail_response_error(mock_logging, mock_request):
"""Test unexpected return value"""
mock_request.return_value = _get_error_response()
result = gce.generateRegionSrvArgs()
assert result == None
assert mock_logging.warning.called
msg = '\tMessage: Test server failure'
mock_logging.warning.assert_called_with(msg)
def test_request_fail_parse_response(mock_logging, mock_request):
"""Test unexpected return value"""
mock_request.return_value = _get_unexpected_response()
result = gce.generateRegionSrvArgs()
assert result == None
assert mock_logging.warning.called
msg = 'Unable to form region string from text: '
msg += 'projects/284177885636/zones/us-central1'
mock_logging.warning.assert_called_with(msg)
def test_request_fail(mock_logging, mock_request):
"""Test proper exception handling when request to metadata server fails"""
mock_request.side_effect = Exception
result = gce.generateRegionSrvArgs()
assert result == None
assert mock_logging.warning.called
msg = 'Unable to determine zone information from "'
msg += 'http://169.254.169.254/computeMetadata/v1/instance/zone'
msg += '"'
mock_logging.warning.assert_called_with(msg)
def test_request_succeed(mock_request):
"""Test behavior with expected return value"""
mock_request.return_value = _get_expected_response()
result = gce.generateRegionSrvArgs()
assert 'regionHint=us-central1' == result
