def test_tracker_has_changed(self):
ins = Dummy()
tracker = FieldTracker(ins, ("name", ))
self.assertFalse(tracker.has_changed("name"))
ins.age = 12
self.assertFalse(tracker.has_changed("age"))
ins.name = "Hello"
self.assertTrue(tracker.has_changed("name"))
def test_tracker_reset(self):
ins = Dummy()
tracker = FieldTracker(ins, ("name", ))
ins.name = "Spider"
self.assertTrue(tracker.has_changed("name"))
tracker.reset()
self.assertFalse(tracker.has_changed("name"))
