def test_affine_properties_setters():
transform = Affine()
transform.translate = [8, -5]
npt.assert_allclose(transform.translate, [8, -5])
transform.scale = [2, 3]
npt.assert_allclose(transform.scale, [2, 3])
transform.rotate = 90
npt.assert_almost_equal(transform.rotate, [[0, -1], [1, 0]])
transform.shear = [1]
npt.assert_almost_equal(transform.shear, [1])
def test_diagonal_scale_setter():
diag_transform = Affine(scale=[2, 3], name='st')
assert diag_transform._is_diagonal
diag_transform.scale = [1]
npt.assert_allclose(diag_transform.scale, [1.0, 1.0])