def test_equal(self):
unlabelled_leaf = RankTree(children=[])
self.assertEqual(unlabelled_leaf, unlabelled_leaf)
self.assertTrue(unlabelled_leaf.shape_equal(unlabelled_leaf))
leaf_zero = RankTree(children=[], label=0)
leaf_one = RankTree(children=[], label=1)
leaf_two = RankTree(children=[], label=2)
self.assertEqual(leaf_zero, leaf_zero)
self.assertNotEqual(leaf_zero, leaf_one)
self.assertTrue(leaf_zero.shape_equal(leaf_one))
tree1 = RankTree(children=[leaf_zero, leaf_one])
self.assertEqual(tree1, tree1)
self.assertNotEqual(tree1, unlabelled_leaf)
self.assertFalse(tree1.shape_equal(unlabelled_leaf))
tree2 = RankTree(children=[leaf_two, leaf_one])
self.assertNotEqual(tree1, tree2)
self.assertTrue(tree1.shape_equal(tree2))
def test_equal(self):
unlabelled_leaf = RankTree(children=[])
assert unlabelled_leaf == unlabelled_leaf
assert unlabelled_leaf.shape_equal(unlabelled_leaf)
leaf_zero = RankTree(children=[], label=0)
leaf_one = RankTree(children=[], label=1)
leaf_two = RankTree(children=[], label=2)
assert leaf_zero == leaf_zero
assert leaf_zero != leaf_one
assert leaf_zero.shape_equal(leaf_one)
tree1 = RankTree(children=[leaf_zero, leaf_one])
assert tree1 == tree1
assert tree1 != unlabelled_leaf
assert not tree1.shape_equal(unlabelled_leaf)
tree2 = RankTree(children=[leaf_two, leaf_one])
assert tree1 != tree2
assert tree1.shape_equal(tree2)