def test_get_matrix_updater(self):
uut = InteractiveSquare()
func = uut._get_matrix_updater(0, (0, 1))
func(0.25)
expected = [[1, 0.25], [0, 1]]
actual = uut._get_transform_matrix_component(0)
self.assertEqual(expected, actual.tolist())
def test_get_matrix_updater_mutator(self):
uut = InteractiveSquare()
func = uut._get_matrix_updater(0, (0, 1), lambda v: v + 1)
func(1)
expected = [[1, 2], [0, 1]]
actual = uut._get_transform_matrix_component(0)
self.assertEqual(expected, actual.tolist())