diff options
Diffstat (limited to 'tests/utils_tests')
| -rw-r--r-- | tests/utils_tests/test_tree.py | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/tests/utils_tests/test_tree.py b/tests/utils_tests/test_tree.py index fcc4c3147d..81002e68c9 100644 --- a/tests/utils_tests/test_tree.py +++ b/tests/utils_tests/test_tree.py @@ -69,11 +69,45 @@ class NodeTests(unittest.TestCase): self.node1.negate() self.assertFalse(self.node1.negated) + def test_new_instance(self): + SubNode = type("SubNode", (Node,), {}) + + a = SubNode([SubNode(["a", "b"], OR), "c"], AND) + b = SubNode._new_instance(a.children, a.connector, a.negated) + self.assertEqual(a, b) + # Children lists are the same object, but equal. + self.assertIsNot(a.children, b.children) + self.assertEqual(a.children, b.children) + # Child Node objects are the same objects. + for a_child, b_child in zip(a.children, b.children): + if isinstance(a_child, Node): + self.assertIs(a_child, b_child) + self.assertEqual(a_child, b_child) + + def test_copy(self): + a = Node([Node(["a", "b"], OR), "c"], AND) + b = copy.copy(a) + self.assertEqual(a, b) + # Children lists are the same object. + self.assertIs(a.children, b.children) + # Child Node objects are the same objects. + for a_child, b_child in zip(a.children, b.children): + if isinstance(a_child, Node): + self.assertIs(a_child, b_child) + self.assertEqual(a_child, b_child) + def test_deepcopy(self): - node4 = copy.copy(self.node1) - node5 = copy.deepcopy(self.node1) - self.assertIs(self.node1.children, node4.children) - self.assertIsNot(self.node1.children, node5.children) + a = Node([Node(["a", "b"], OR), "c"], AND) + b = copy.deepcopy(a) + self.assertEqual(a, b) + # Children lists are not be the same object, but equal. + self.assertIsNot(a.children, b.children) + self.assertEqual(a.children, b.children) + # Child Node objects are not be the same objects. + for a_child, b_child in zip(a.children, b.children): + if isinstance(a_child, Node): + self.assertIsNot(a_child, b_child) + self.assertEqual(a_child, b_child) def test_eq_children(self): node = Node(self.node1_children) |