def test_a_shearing_transformation_moves_z_in_proportion_to_y():
transform = transformations.shearing(0, 0, 0, 0, 0, 1)
assert ((point(2, 3, 7) == transform(point(2, 3, 4))).all())
def test_a_shearing_transformation_moves_y_in_proportion_to_z():
transform = transformations.shearing(0, 0, 0, 1, 0, 0)
assert ((point(2, 7, 4) == transform(point(2, 3, 4))).all())