def test_missing_file_identifier(self):
"""
SCENARIO: The XML metadata file has an empty file identifier field.
EXPECTED RESULT: MissingMetadataFileIdentifierError is raised.
"""
package = 'tests.data.nkn.60795440-42b0-4fb2-a2d4-7e7c00c66aa1'
content = ir.read_binary(package, 'metadata.xml')
doc = lxml.etree.parse(io.BytesIO(content))
harvester = NKNHarvester()
with self.assertRaises(MissingMetadataFileIdentifierError):
harvester.extract_series_identifier(doc)
def test_identifier(self, mock_logger):
"""
SCENARIO: The NKN identifier is a UUID that must be retrieved from
the metadata XML document.
EXPECTED RESULT: 0a42d2bc-700a-4cf2-a7ac-ad6b892da7f0
"""
package = 'tests.data.nkn.0a42d2bc-700a-4cf2-a7ac-ad6b892da7f0'
content = ir.read_binary(package, 'metadata.xml')
doc = lxml.etree.parse(io.BytesIO(content))
harvester = NKNHarvester()
identifier = harvester.extract_series_identifier(doc)
self.assertEqual(identifier, '0a42d2bc-700a-4cf2-a7ac-ad6b892da7f0')