def test_explain_pipeline(self):
t = Transformer(False)
self.assertFalse(t.explained)
t2 = Transformer(True)
self.assertTrue(t2.explained)
p = t2.link(t)
self.assertFalse(p.explained)
def test_unlink(self):
t = Transformer(False)
t2 = Transformer(True)
t2.link(t)
self.assertEqual(t.parent, t2)
self.assertEqual(t2.children, (t,))
t2.unlink(t)
self.assertIsNone(t.parent)
self.assertEqual(t2.children, ())
def test_children(self):
t = Transformer()
t_c1 = Transformer()
t_c2 = Transformer()
t.link(t_c1)
t.link(t_c2)
self.assertEqual(t.children, (t_c1, t_c2))
self.assertEqual(t_c1.children, ())
self.assertEqual(t_c2.children, ())
def test_parent(self):
t = Transformer(False)
t2 = Transformer(True)
t2.link(t)
self.assertEqual(t.parent, t2)
self.assertIsNone(t2.parent)