def test_bar():
    assert dope.build(bar, 10) == 10
    assert dope.build(bar, x=10) == 10
    assert dope.build(bar) == ALPHA_BETA
def test_foo():
    assert dope.build(foo, delta=100) == (ALPHA, BETA, GAMMA, 100)
    assert dope.build(foo) == (ALPHA, BETA, GAMMA, DELTA)