def METHOD_NAME(delta_r, delta_theta, max_r, fdb, db, expected_shape):
    image = np.ones((200, 151))
    result = ptu.image_to_polar(
        image,
        delta_r=delta_r,
        delta_theta=delta_theta,
        max_r=max_r,
        find_direct_beam=fdb,
        direct_beam_position=db,
    )
    np.testing.assert_array_almost_equal(result.shape, expected_shape)