def test_update_from_flag_copies_presence(self):
copyable = Flag('wanderer')
copyable.touch()
tag = Flag('wanderer')
tag.update(copyable)
assert tag.present
def test_update_from_flag_copies_data(self):
copyable = Flag('wanderer')
copyable.append('lost')
tag = Flag('wanderer')
tag.update(copyable)
assert tag.data == ['lost']
def test_update_with_boolean_assigns_presence(self):
tag = Flag('wanderer')
tag.update(True)
assert tag.present