def test_identify_missing(self, source, tmpdir):
        tmpdir.chdir()
        with patch('os.path.isdir', Mock(return_value=False)):
            assert (str(tmpdir), '<missing>', '<unknown>') == source.identify()
Revision ID of the page.
dataset/ETHPy150Open jacebrowning/gitman/gitman/test/test_models_source.py/TestSource.test_identify_missing--crossover with--dataset/ETHPy150Open goldsmith/Wikipedia/wikipedia/wikipedia.py/WikipediaPage.revision_id