test__metadata.py 文件源码

def test_get_failure():
    request = make_request(
        'Metadata error', status=http_client.NOT_FOUND)

    with pytest.raises(exceptions.TransportError) as excinfo:
        _metadata.get(request, PATH)

    assert excinfo.match(r'Metadata error')

    request.assert_called_once_with(
        method='GET',
        url=_metadata._METADATA_ROOT + PATH,
        headers=_metadata._METADATA_HEADERS)