def test_do_nothing_caller(self):
"""Test calling the object will always return the same instance."""
donothing = utils.DoNothing()
self.assertIs(donothing, donothing())
def test_do_nothing_json_serializable(self):
"""Test calling the object will always return the same instance."""
donothing = utils.DoNothing()
self.assertEqual('""', json.dumps(donothing))
def test_do_nothing_getter(self):
"""Test any attribute will always return the same instance (self)."""
donothing = utils.DoNothing()
self.assertIs(donothing, donothing.anyname)