def test_add_tag_undo_unsaved_entry(session):
tag = Tag('tag')
entry = DatabaseEntry()
cmd = AddTag(session, entry, tag)
cmd()
cmd.undo()
assert entry.tags == []
cmd()
assert tag in entry.tags
def test_add_tag_undo_unsaved_entry(session):
tag = Tag('tag')
entry = DatabaseEntry()
cmd = AddTag(session, entry, tag)
cmd()
cmd.undo()
assert entry.tags == []
cmd()
assert tag in entry.tags
def test_add_removed_tag(session):
entry = DatabaseEntry()
tag = Tag('tag')
entry.tags.append(tag)
session.add(tag)
session.commit()
session.delete(tag)
AddTag(session, entry, tag)()
assert tag in entry.tags
def test_add_tag_repr(session):
entry = DatabaseEntry(id=12)
tag = Tag('spam')
expected_repr_result = (
"<AddTag("
"tag 'spam', "
"session <sqlalchemy.orm.session.Session object at *>, "
"entry id 12)>".format(id(session)))
assert fnmatch.fnmatch(repr(AddTag(session, entry, tag)), expected_repr_result)