def test_copying(self):
# Check that ordered dicts are copyable, deepcopyable, picklable,
# and have a repr/eval round-trip
pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)]
od = OrderedDict(pairs)
update_test = OrderedDict()
update_test.update(od)
for label, dup in [
('od.copy()', od.copy()),
('copy.copy(od)', copy.copy(od)),
('copy.deepcopy(od)', copy.deepcopy(od)),
('pickle.loads(pickle.dumps(od, 0))',
pickle.loads(pickle.dumps(od, 0))),
('pickle.loads(pickle.dumps(od, 1))',
pickle.loads(pickle.dumps(od, 1))),
('pickle.loads(pickle.dumps(od, 2))',
pickle.loads(pickle.dumps(od, 2))),
# ('pickle.loads(pickle.dumps(od, 3))',
# pickle.loads(pickle.dumps(od, 3))),
('pickle.loads(pickle.dumps(od, -1))',
pickle.loads(pickle.dumps(od, -1))),
('eval(repr(od))', eval(repr(od))),
('update_test', update_test),
('OrderedDict(od)', OrderedDict(od)),
]:
with self.subTest(label=label):
msg = "\ncopy: %s\nod: %s" % (dup, od)
self.assertIsNot(dup, od, msg)
self.assertEqual(dup, od)
def test_copying(self):
# Check that ordered dicts are copyable, deepcopyable, picklable,
# and have a repr/eval round-trip
pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)]
od = OrderedDict(pairs)
update_test = OrderedDict()
update_test.update(od)
for label, dup in [
('od.copy()', od.copy()),
('copy.copy(od)', copy.copy(od)),
('copy.deepcopy(od)', copy.deepcopy(od)),
('pickle.loads(pickle.dumps(od, 0))',
pickle.loads(pickle.dumps(od, 0))),
('pickle.loads(pickle.dumps(od, 1))',
pickle.loads(pickle.dumps(od, 1))),
('pickle.loads(pickle.dumps(od, 2))',
pickle.loads(pickle.dumps(od, 2))),
# ('pickle.loads(pickle.dumps(od, 3))',
# pickle.loads(pickle.dumps(od, 3))),
('pickle.loads(pickle.dumps(od, -1))',
pickle.loads(pickle.dumps(od, -1))),
('eval(repr(od))', eval(repr(od))),
('update_test', update_test),
('OrderedDict(od)', OrderedDict(od)),
]:
with self.subTest(label=label):
msg = "\ncopy: %s\nod: %s" % (dup, od)
self.assertIsNot(dup, od, msg)
self.assertEqual(dup, od)
