self = <swh.indexer.tests.test_metadata.Metadata testMethod=test_detect_metadata_package_json> def test_detect_metadata_package_json(self): # given df = [ { "sha1_git": b"abc", "name": b"index.js", "target": b"abc", "length": 897, "status": "visible", "type": "file", "perms": 33188, "dir_id": b"dir_a", "sha1": b"bcd", }, { "sha1_git": b"aab", "name": b"package.json", "target": b"aab", "length": 712, "status": "visible", "type": "file", "perms": 33188, "dir_id": b"dir_a", "sha1": b"cde", }, ] # when results = detect_metadata(df) expected_results = {"NpmMapping": [b"cde"]} # then > self.assertEqual(expected_results, results) E AssertionError: {'NpmMapping': [b'cde']} != {} E - {'NpmMapping': [b'cde']} E + {} .tox/py3/lib/python3.7/site-packages/swh/indexer/tests/test_metadata.py:439: AssertionError