def test_passing_callables_for_tx_meta(self):
self.article.name = u'Some update article'
meta = {u'some_key': lambda: self.article.id}
with versioning_manager.tx_meta(**meta):
self.session.commit()
tx = self.article.versions[-1].transaction
assert tx.meta[u'some_key'] == str(self.article.id)
def test_tx_meta_manager(self):
self.article.name = u'Some update article'
meta = {u'some_key': u'some_value'}
with versioning_manager.tx_meta(**meta):
self.session.commit()
tx = self.article.versions[-1].transaction
assert tx.meta[u'some_key'] == u'some_value'
def test_only_saves_meta_if_actual_moficication(self):
self.article.name = u'Some article'
self.session.commit()
meta = {u'some_key': u'some_value'}
with versioning_manager.tx_meta(**meta):
self.article.name = u'Some article'
self.session.commit()
assert self.session.query(
versioning_manager.transaction_meta_cls
).count() == 0
