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 i, dup in enumerate([od.copy(), copy.copy(od), copy.deepcopy(od), pickle.loads(pickle.dumps(od, 0)), pickle.loads(pickle.dumps(od, 1)), pickle.loads(pickle.dumps(od, 2)), pickle.loads(pickle.dumps(od, -1)), eval(repr(od)), update_test, OrderedDict(od), ]): self.assertTrue(dup is not od) self.assertEqual(dup, od) self.assertEqual(list(dup.items()), list(od.items())) self.assertEqual(len(dup), len(od)) self.assertEqual(type(dup), type(od))
def test_update(self): with self.assertRaises(TypeError): # too many args OrderedDict().update([('a', 1), ('b', 2)], None) pairs = [('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5)] od = OrderedDict() od.update(dict(pairs)) # dict input self.assertEqual(sorted(od.items()), pairs) od = OrderedDict() od.update(**dict(pairs)) # kwds input self.assertEqual(sorted(od.items()), pairs) od = OrderedDict() od.update(pairs) # pairs input self.assertEqual(list(od.items()), pairs) od = OrderedDict() od.update([('a', 1), ('b', 2), ('c', 9), ('d', 4)], c=3, e=5) # mixed input self.assertEqual(list(od.items()), pairs) # Issue 9137: Named argument called 'other' or 'self' # shouldn't be treated specially. od = OrderedDict() od.update(self=23) self.assertEqual(list(od.items()), [('self', 23)]) od = OrderedDict() od.update(other={}) self.assertEqual(list(od.items()), [('other', {})]) od = OrderedDict() od.update(red=5, blue=6, other=7, self=8) self.assertEqual(sorted(list(od.items())), [('blue', 6), ('other', 7), ('red', 5), ('self', 8)]) # Make sure that direct calls to update do not clear previous contents # add that updates items are not moved to the end d = OrderedDict([('a', 1), ('b', 2), ('c', 3), ('d', 44), ('e', 55)]) d.update([('e', 5), ('f', 6)], g=7, d=4) self.assertEqual(list(d.items()), [('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5), ('f', 6), ('g', 7)])