def test_have_properties_to_animate(self): from kivy.animation import Animation from kivy.uix.widget import Widget a = Animation(x=100) & Animation(y=100) w = Widget() assert not a.have_properties_to_animate(w) a.start(w) assert a.have_properties_to_animate(w) a.stop(w) assert not a.have_properties_to_animate(w) assert no_animations_being_played()