def test_update(self):
# Tests that Metadata.update correctly prefers new fields to old, unless
# new fields aren't defined.
edition_old, pool = self._edition(with_license_pool=True)
edition_old.publisher = "test_old_publisher"
edition_old.subtitle = "old_subtitile"
metadata_old = Metadata.from_edition(edition_old)
edition_new, pool = self._edition(with_license_pool=True)
# set more fields on metadatas
edition_new.publisher = None
edition_new.subtitle = "new_updated_subtitile"
metadata_new = Metadata.from_edition(edition_new)
metadata_old.update(metadata_new)
eq_(metadata_old.publisher, "test_old_publisher")
eq_(metadata_old.subtitle, metadata_new.subtitle)
def test_from_edition(self):
# Makes sure Metadata.from_edition copies all the fields over.
edition, pool = self._edition(with_license_pool=True)
edition.series = "Harry Otter and the Mollusk of Infamy"
edition.series_position = "14"
metadata = Metadata.from_edition(edition)
# make sure the metadata and the originating edition match
for field in Metadata.BASIC_EDITION_FIELDS:
eq_(getattr(edition, field), getattr(metadata, field))
e_contribution = edition.contributions[0]
m_contributor_data = metadata.contributors[0]
eq_(e_contribution.contributor.sort_name, m_contributor_data.sort_name)
eq_(e_contribution.role, m_contributor_data.roles[0])
eq_(edition.data_source, metadata.data_source(self._db))
eq_(edition.primary_identifier.identifier,
metadata.primary_identifier.identifier)