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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ"""Unit tests for collections.defaultdict.""" import os import copy import pickle import tempfile import unittest from collections import defaultdict def foobar(): return list class TestDefaultDict(unittest.TestCase): def test_basic(self): d1 = defaultdict() self.assertEqual(d1.default_factory, None) d1.default_factory = list d1[12].append(42) self.assertEqual(d1, {12: [42]}) d1[12].append(24) self.assertEqual(d1, {12: [42, 24]}) d1[13] d1[14] self.assertEqual(d1, {12: [42, 24], 13: [], 14: []}) self.assertTrue(d1[12] is not d1[13] is not d1[14]) d2 = defaultdict(list, foo=1, bar=2) self.assertEqual(d2.default_factory, list) self.assertEqual(d2, {"foo": 1, "bar": 2}) self.assertEqual(d2["foo"], 1) self.assertEqual(d2["bar"], 2) self.assertEqual(d2[42], []) self.assertIn("foo", d2) self.assertIn("foo", d2.keys()) self.assertIn("bar", d2) self.assertIn("bar", d2.keys()) self.assertIn(42, d2) self.assertIn(42, d2.keys()) self.assertNotIn(12, d2) self.assertNotIn(12, d2.keys()) d2.default_factory = None self.assertEqual(d2.default_factory, None) try: d2[15] except KeyError as err: self.assertEqual(err.args, (15,)) else: self.fail("d2[15] didn't raise KeyError") self.assertRaises(TypeError, defaultdict, 1) def test_missing(self): d1 = defaultdict() self.assertRaises(KeyError, d1.__missing__, 42) d1.default_factory = list self.assertEqual(d1.__missing__(42), []) def test_repr(self): d1 = defaultdict() self.assertEqual(d1.default_factory, None) self.assertEqual(repr(d1), "defaultdict(None, {})") self.assertEqual(eval(repr(d1)), d1) d1[11] = 41 self.assertEqual(repr(d1), "defaultdict(None, {11: 41})") d2 = defaultdict(int) self.assertEqual(d2.default_factory, int) d2[12] = 42 self.assertEqual(repr(d2), "defaultdict(, {12: 42})") def foo(): return 43 d3 = defaultdict(foo) self.assertTrue(d3.default_factory is foo) d3[13] self.assertEqual(repr(d3), "defaultdict(%s, {13: 43})" % repr(foo)) def test_print(self): d1 = defaultdict() def foo(): return 42 d2 = defaultdict(foo, {1: 2}) # NOTE: We can't use tempfile.[Named]TemporaryFile since this # code must exercise the tp_print C code, which only gets # invoked for *real* files. tfn = tempfile.mktemp() try: f = open(tfn, "w+") try: print(d1, file=f) print(d2, file=f) f.seek(0) self.assertEqual(f.readline(), repr(d1) + "\n") self.assertEqual(f.readline(), repr(d2) + "\n") finally: f.close() finally: os.remove(tfn) def test_copy(self): d1 = defaultdict() d2 = d1.copy() self.assertEqual(type(d2), defaultdict) self.assertEqual(d2.default_factory, None) self.assertEqual(d2, {}) d1.default_factory = list d3 = d1.copy() self.assertEqual(type(d3), defaultdict) self.assertEqual(d3.default_factory, list) self.assertEqual(d3, {}) d1[42] d4 = d1.copy() self.assertEqual(type(d4), defaultdict) self.assertEqual(d4.default_factory, list) self.assertEqual(d4, {42: []}) d4[12] self.assertEqual(d4, {42: [], 12: []}) # Issue 6637: Copy fails for empty default dict d = defaultdict() d['a'] = 42 e = d.copy() self.assertEqual(e['a'], 42) def test_shallow_copy(self): d1 = defaultdict(foobar, {1: 1}) d2 = copy.copy(d1) self.assertEqual(d2.default_factory, foobar) self.assertEqual(d2, d1) d1.default_factory = list d2 = copy.copy(d1) self.assertEqual(d2.default_factory, list) self.assertEqual(d2, d1) def test_deep_copy(self): d1 = defaultdict(foobar, {1: [1]}) d2 = copy.deepcopy(d1) self.assertEqual(d2.default_factory, foobar) self.assertEqual(d2, d1) self.assertTrue(d1[1] is not d2[1]) d1.default_factory = list d2 = copy.deepcopy(d1) self.assertEqual(d2.default_factory, list) self.assertEqual(d2, d1) def test_keyerror_without_factory(self): d1 = defaultdict() try: d1[(1,)] except KeyError as err: self.assertEqual(err.args[0], (1,)) else: self.fail("expected KeyError") def test_recursive_repr(self): # Issue2045: stack overflow when default_factory is a bound method class sub(defaultdict): def __init__(self): self.default_factory = self._factory def _factory(self): return [] d = sub() self.assertRegex(repr(d), r"sub\(, \{\}\)") # NOTE: printing a subclass of a builtin type does not call its # tp_print slot. So this part is essentially the same test as above. tfn = tempfile.mktemp() try: f = open(tfn, "w+") try: print(d, file=f) finally: f.close() finally: os.remove(tfn) def test_callable_arg(self): self.assertRaises(TypeError, defaultdict, {}) def test_pickling(self): d = defaultdict(int) d[1] for proto in range(pickle.HIGHEST_PROTOCOL + 1): s = pickle.dumps(d, proto) o = pickle.loads(s) self.assertEqual(d, o) def test_union(self): i = defaultdict(int, {1: 1, 2: 2}) s = defaultdict(str, {0: "zero", 1: "one"}) i_s = i | s self.assertIs(i_s.default_factory, int) self.assertDictEqual(i_s, {1: "one", 2: 2, 0: "zero"}) self.assertEqual(list(i_s), [1, 2, 0]) s_i = s | i self.assertIs(s_i.default_factory, str) self.assertDictEqual(s_i, {0: "zero", 1: 1, 2: 2}) self.assertEqual(list(s_i), [0, 1, 2]) i_ds = i | dict(s) self.assertIs(i_ds.default_factory, int) self.assertDictEqual(i_ds, {1: "one", 2: 2, 0: "zero"}) self.assertEqual(list(i_ds), [1, 2, 0]) ds_i = dict(s) | i self.assertIs(ds_i.default_factory, int) self.assertDictEqual(ds_i, {0: "zero", 1: 1, 2: 2}) self.assertEqual(list(ds_i), [0, 1, 2]) with self.assertRaises(TypeError): i | list(s.items()) with self.assertRaises(TypeError): list(s.items()) | i # We inherit a fine |= from dict, so just a few sanity checks here: i |= list(s.items()) self.assertIs(i.default_factory, int) self.assertDictEqual(i, {1: "one", 2: 2, 0: "zero"}) self.assertEqual(list(i), [1, 2, 0]) with self.assertRaises(TypeError): i |= None if __name__ == "__main__": unittest.main()