blocks_test.py 文件源码

def test_composition_raises_unused(self):
    fn0 = tdb.Scalar()
    fn1 = times_scalar_block(2.0)
    c = tdb.Composition([fn1, fn0])
    c.connect(c.input, fn0)
    c.connect(fn0, fn1)
    c.connect(fn0, c.output)
    six.assertRaisesRegex(
        self, TypeError, 'children have unused outputs: .*', c._validate, None)