Victor Stinner | 742da04 | 2016-09-07 17:40:12 -0700 | [diff] [blame] | 1 | import builtins |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 2 | import contextlib |
| 3 | import copy |
Serhiy Storchaka | d205d01 | 2016-01-19 14:46:25 +0200 | [diff] [blame] | 4 | import gc |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 5 | import pickle |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 6 | from random import randrange, shuffle |
Serhiy Storchaka | 0ce7a3a | 2015-12-22 08:16:18 +0200 | [diff] [blame] | 7 | import struct |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 8 | import sys |
| 9 | import unittest |
Serhiy Storchaka | d205d01 | 2016-01-19 14:46:25 +0200 | [diff] [blame] | 10 | import weakref |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 11 | from collections.abc import MutableMapping |
| 12 | from test import mapping_tests, support |
| 13 | |
| 14 | |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 15 | py_coll = support.import_fresh_module('collections', blocked=['_collections']) |
| 16 | c_coll = support.import_fresh_module('collections', fresh=['_collections']) |
| 17 | |
| 18 | |
| 19 | @contextlib.contextmanager |
| 20 | def replaced_module(name, replacement): |
| 21 | original_module = sys.modules[name] |
| 22 | sys.modules[name] = replacement |
| 23 | try: |
| 24 | yield |
| 25 | finally: |
| 26 | sys.modules[name] = original_module |
| 27 | |
| 28 | |
| 29 | class OrderedDictTests: |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 30 | |
| 31 | def test_init(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 32 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 33 | with self.assertRaises(TypeError): |
| 34 | OrderedDict([('a', 1), ('b', 2)], None) # too many args |
| 35 | pairs = [('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5)] |
| 36 | self.assertEqual(sorted(OrderedDict(dict(pairs)).items()), pairs) # dict input |
| 37 | self.assertEqual(sorted(OrderedDict(**dict(pairs)).items()), pairs) # kwds input |
| 38 | self.assertEqual(list(OrderedDict(pairs).items()), pairs) # pairs input |
| 39 | self.assertEqual(list(OrderedDict([('a', 1), ('b', 2), ('c', 9), ('d', 4)], |
| 40 | c=3, e=5).items()), pairs) # mixed input |
| 41 | |
| 42 | # make sure no positional args conflict with possible kwdargs |
| 43 | self.assertEqual(list(OrderedDict(self=42).items()), [('self', 42)]) |
| 44 | self.assertEqual(list(OrderedDict(other=42).items()), [('other', 42)]) |
| 45 | self.assertRaises(TypeError, OrderedDict, 42) |
| 46 | self.assertRaises(TypeError, OrderedDict, (), ()) |
| 47 | self.assertRaises(TypeError, OrderedDict.__init__) |
| 48 | |
| 49 | # Make sure that direct calls to __init__ do not clear previous contents |
| 50 | d = OrderedDict([('a', 1), ('b', 2), ('c', 3), ('d', 44), ('e', 55)]) |
| 51 | d.__init__([('e', 5), ('f', 6)], g=7, d=4) |
| 52 | self.assertEqual(list(d.items()), |
| 53 | [('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5), ('f', 6), ('g', 7)]) |
| 54 | |
Raymond Hettinger | ec53b07 | 2017-01-08 00:37:13 -0800 | [diff] [blame] | 55 | def test_468(self): |
| 56 | OrderedDict = self.OrderedDict |
| 57 | items = [('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5), ('f', 6), ('g', 7)] |
| 58 | shuffle(items) |
| 59 | argdict = OrderedDict(items) |
| 60 | d = OrderedDict(**argdict) |
| 61 | self.assertEqual(list(d.items()), items) |
| 62 | |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 63 | def test_update(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 64 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 65 | with self.assertRaises(TypeError): |
| 66 | OrderedDict().update([('a', 1), ('b', 2)], None) # too many args |
| 67 | pairs = [('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5)] |
| 68 | od = OrderedDict() |
| 69 | od.update(dict(pairs)) |
| 70 | self.assertEqual(sorted(od.items()), pairs) # dict input |
| 71 | od = OrderedDict() |
| 72 | od.update(**dict(pairs)) |
| 73 | self.assertEqual(sorted(od.items()), pairs) # kwds input |
| 74 | od = OrderedDict() |
| 75 | od.update(pairs) |
| 76 | self.assertEqual(list(od.items()), pairs) # pairs input |
| 77 | od = OrderedDict() |
| 78 | od.update([('a', 1), ('b', 2), ('c', 9), ('d', 4)], c=3, e=5) |
| 79 | self.assertEqual(list(od.items()), pairs) # mixed input |
| 80 | |
| 81 | # Issue 9137: Named argument called 'other' or 'self' |
| 82 | # shouldn't be treated specially. |
| 83 | od = OrderedDict() |
| 84 | od.update(self=23) |
| 85 | self.assertEqual(list(od.items()), [('self', 23)]) |
| 86 | od = OrderedDict() |
| 87 | od.update(other={}) |
| 88 | self.assertEqual(list(od.items()), [('other', {})]) |
| 89 | od = OrderedDict() |
| 90 | od.update(red=5, blue=6, other=7, self=8) |
| 91 | self.assertEqual(sorted(list(od.items())), |
| 92 | [('blue', 6), ('other', 7), ('red', 5), ('self', 8)]) |
| 93 | |
| 94 | # Make sure that direct calls to update do not clear previous contents |
| 95 | # add that updates items are not moved to the end |
| 96 | d = OrderedDict([('a', 1), ('b', 2), ('c', 3), ('d', 44), ('e', 55)]) |
| 97 | d.update([('e', 5), ('f', 6)], g=7, d=4) |
| 98 | self.assertEqual(list(d.items()), |
| 99 | [('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5), ('f', 6), ('g', 7)]) |
| 100 | |
| 101 | self.assertRaises(TypeError, OrderedDict().update, 42) |
| 102 | self.assertRaises(TypeError, OrderedDict().update, (), ()) |
| 103 | self.assertRaises(TypeError, OrderedDict.update) |
| 104 | |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 105 | self.assertRaises(TypeError, OrderedDict().update, 42) |
| 106 | self.assertRaises(TypeError, OrderedDict().update, (), ()) |
| 107 | self.assertRaises(TypeError, OrderedDict.update) |
| 108 | |
Eric Snow | 06aed90 | 2016-09-09 11:59:08 -0700 | [diff] [blame] | 109 | def test_init_calls(self): |
| 110 | calls = [] |
| 111 | class Spam: |
| 112 | def keys(self): |
| 113 | calls.append('keys') |
| 114 | return () |
| 115 | def items(self): |
| 116 | calls.append('items') |
| 117 | return () |
| 118 | |
| 119 | self.OrderedDict(Spam()) |
| 120 | self.assertEqual(calls, ['keys']) |
| 121 | |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 122 | def test_fromkeys(self): |
| 123 | OrderedDict = self.OrderedDict |
| 124 | od = OrderedDict.fromkeys('abc') |
| 125 | self.assertEqual(list(od.items()), [(c, None) for c in 'abc']) |
| 126 | od = OrderedDict.fromkeys('abc', value=None) |
| 127 | self.assertEqual(list(od.items()), [(c, None) for c in 'abc']) |
| 128 | od = OrderedDict.fromkeys('abc', value=0) |
| 129 | self.assertEqual(list(od.items()), [(c, 0) for c in 'abc']) |
| 130 | |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 131 | def test_abc(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 132 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 133 | self.assertIsInstance(OrderedDict(), MutableMapping) |
| 134 | self.assertTrue(issubclass(OrderedDict, MutableMapping)) |
| 135 | |
| 136 | def test_clear(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 137 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 138 | pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)] |
| 139 | shuffle(pairs) |
| 140 | od = OrderedDict(pairs) |
| 141 | self.assertEqual(len(od), len(pairs)) |
| 142 | od.clear() |
| 143 | self.assertEqual(len(od), 0) |
| 144 | |
| 145 | def test_delitem(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 146 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 147 | pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)] |
| 148 | od = OrderedDict(pairs) |
| 149 | del od['a'] |
| 150 | self.assertNotIn('a', od) |
| 151 | with self.assertRaises(KeyError): |
| 152 | del od['a'] |
| 153 | self.assertEqual(list(od.items()), pairs[:2] + pairs[3:]) |
| 154 | |
| 155 | def test_setitem(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 156 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 157 | od = OrderedDict([('d', 1), ('b', 2), ('c', 3), ('a', 4), ('e', 5)]) |
| 158 | od['c'] = 10 # existing element |
| 159 | od['f'] = 20 # new element |
| 160 | self.assertEqual(list(od.items()), |
| 161 | [('d', 1), ('b', 2), ('c', 10), ('a', 4), ('e', 5), ('f', 20)]) |
| 162 | |
| 163 | def test_iterators(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 164 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 165 | pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)] |
| 166 | shuffle(pairs) |
| 167 | od = OrderedDict(pairs) |
| 168 | self.assertEqual(list(od), [t[0] for t in pairs]) |
| 169 | self.assertEqual(list(od.keys()), [t[0] for t in pairs]) |
| 170 | self.assertEqual(list(od.values()), [t[1] for t in pairs]) |
| 171 | self.assertEqual(list(od.items()), pairs) |
| 172 | self.assertEqual(list(reversed(od)), |
| 173 | [t[0] for t in reversed(pairs)]) |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 174 | self.assertEqual(list(reversed(od.keys())), |
| 175 | [t[0] for t in reversed(pairs)]) |
| 176 | self.assertEqual(list(reversed(od.values())), |
| 177 | [t[1] for t in reversed(pairs)]) |
| 178 | self.assertEqual(list(reversed(od.items())), list(reversed(pairs))) |
| 179 | |
| 180 | def test_detect_deletion_during_iteration(self): |
| 181 | OrderedDict = self.OrderedDict |
| 182 | od = OrderedDict.fromkeys('abc') |
| 183 | it = iter(od) |
| 184 | key = next(it) |
| 185 | del od[key] |
| 186 | with self.assertRaises(Exception): |
| 187 | # Note, the exact exception raised is not guaranteed |
| 188 | # The only guarantee that the next() will not succeed |
| 189 | next(it) |
| 190 | |
| 191 | def test_sorted_iterators(self): |
| 192 | OrderedDict = self.OrderedDict |
| 193 | with self.assertRaises(TypeError): |
| 194 | OrderedDict([('a', 1), ('b', 2)], None) |
| 195 | pairs = [('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5)] |
| 196 | od = OrderedDict(pairs) |
| 197 | self.assertEqual(sorted(od), [t[0] for t in pairs]) |
| 198 | self.assertEqual(sorted(od.keys()), [t[0] for t in pairs]) |
| 199 | self.assertEqual(sorted(od.values()), [t[1] for t in pairs]) |
| 200 | self.assertEqual(sorted(od.items()), pairs) |
| 201 | self.assertEqual(sorted(reversed(od)), |
| 202 | sorted([t[0] for t in reversed(pairs)])) |
| 203 | |
| 204 | def test_iterators_empty(self): |
| 205 | OrderedDict = self.OrderedDict |
| 206 | od = OrderedDict() |
| 207 | empty = [] |
| 208 | self.assertEqual(list(od), empty) |
| 209 | self.assertEqual(list(od.keys()), empty) |
| 210 | self.assertEqual(list(od.values()), empty) |
| 211 | self.assertEqual(list(od.items()), empty) |
| 212 | self.assertEqual(list(reversed(od)), empty) |
| 213 | self.assertEqual(list(reversed(od.keys())), empty) |
| 214 | self.assertEqual(list(reversed(od.values())), empty) |
| 215 | self.assertEqual(list(reversed(od.items())), empty) |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 216 | |
| 217 | def test_popitem(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 218 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 219 | pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)] |
| 220 | shuffle(pairs) |
| 221 | od = OrderedDict(pairs) |
| 222 | while pairs: |
| 223 | self.assertEqual(od.popitem(), pairs.pop()) |
| 224 | with self.assertRaises(KeyError): |
| 225 | od.popitem() |
| 226 | self.assertEqual(len(od), 0) |
| 227 | |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 228 | def test_popitem_last(self): |
| 229 | OrderedDict = self.OrderedDict |
| 230 | pairs = [(i, i) for i in range(30)] |
| 231 | |
| 232 | obj = OrderedDict(pairs) |
| 233 | for i in range(8): |
| 234 | obj.popitem(True) |
| 235 | obj.popitem(True) |
| 236 | obj.popitem(last=True) |
| 237 | self.assertEqual(len(obj), 20) |
| 238 | |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 239 | def test_pop(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 240 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 241 | pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)] |
| 242 | shuffle(pairs) |
| 243 | od = OrderedDict(pairs) |
| 244 | shuffle(pairs) |
| 245 | while pairs: |
| 246 | k, v = pairs.pop() |
| 247 | self.assertEqual(od.pop(k), v) |
| 248 | with self.assertRaises(KeyError): |
| 249 | od.pop('xyz') |
| 250 | self.assertEqual(len(od), 0) |
| 251 | self.assertEqual(od.pop(k, 12345), 12345) |
| 252 | |
| 253 | # make sure pop still works when __missing__ is defined |
| 254 | class Missing(OrderedDict): |
| 255 | def __missing__(self, key): |
| 256 | return 0 |
| 257 | m = Missing(a=1) |
| 258 | self.assertEqual(m.pop('b', 5), 5) |
| 259 | self.assertEqual(m.pop('a', 6), 1) |
| 260 | self.assertEqual(m.pop('a', 6), 6) |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 261 | self.assertEqual(m.pop('a', default=6), 6) |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 262 | with self.assertRaises(KeyError): |
| 263 | m.pop('a') |
| 264 | |
| 265 | def test_equality(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 266 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 267 | pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)] |
| 268 | shuffle(pairs) |
| 269 | od1 = OrderedDict(pairs) |
| 270 | od2 = OrderedDict(pairs) |
| 271 | self.assertEqual(od1, od2) # same order implies equality |
| 272 | pairs = pairs[2:] + pairs[:2] |
| 273 | od2 = OrderedDict(pairs) |
| 274 | self.assertNotEqual(od1, od2) # different order implies inequality |
| 275 | # comparison to regular dict is not order sensitive |
| 276 | self.assertEqual(od1, dict(od2)) |
| 277 | self.assertEqual(dict(od2), od1) |
| 278 | # different length implied inequality |
| 279 | self.assertNotEqual(od1, OrderedDict(pairs[:-1])) |
| 280 | |
| 281 | def test_copying(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 282 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 283 | # Check that ordered dicts are copyable, deepcopyable, picklable, |
| 284 | # and have a repr/eval round-trip |
| 285 | pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)] |
| 286 | od = OrderedDict(pairs) |
| 287 | def check(dup): |
| 288 | msg = "\ncopy: %s\nod: %s" % (dup, od) |
| 289 | self.assertIsNot(dup, od, msg) |
| 290 | self.assertEqual(dup, od) |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 291 | self.assertEqual(list(dup.items()), list(od.items())) |
| 292 | self.assertEqual(len(dup), len(od)) |
| 293 | self.assertEqual(type(dup), type(od)) |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 294 | check(od.copy()) |
| 295 | check(copy.copy(od)) |
| 296 | check(copy.deepcopy(od)) |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 297 | # pickle directly pulls the module, so we have to fake it |
| 298 | with replaced_module('collections', self.module): |
| 299 | for proto in range(pickle.HIGHEST_PROTOCOL + 1): |
| 300 | with self.subTest(proto=proto): |
| 301 | check(pickle.loads(pickle.dumps(od, proto))) |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 302 | check(eval(repr(od))) |
| 303 | update_test = OrderedDict() |
| 304 | update_test.update(od) |
| 305 | check(update_test) |
| 306 | check(OrderedDict(od)) |
| 307 | |
| 308 | def test_yaml_linkage(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 309 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 310 | # Verify that __reduce__ is setup in a way that supports PyYAML's dump() feature. |
| 311 | # In yaml, lists are native but tuples are not. |
| 312 | pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)] |
| 313 | od = OrderedDict(pairs) |
| 314 | # yaml.dump(od) --> |
| 315 | # '!!python/object/apply:__main__.OrderedDict\n- - [a, 1]\n - [b, 2]\n' |
| 316 | self.assertTrue(all(type(pair)==list for pair in od.__reduce__()[1])) |
| 317 | |
| 318 | def test_reduce_not_too_fat(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 319 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 320 | # do not save instance dictionary if not needed |
| 321 | pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)] |
| 322 | od = OrderedDict(pairs) |
Serhiy Storchaka | d2962f1 | 2016-02-08 16:39:05 +0200 | [diff] [blame] | 323 | self.assertIsInstance(od.__dict__, dict) |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 324 | self.assertIsNone(od.__reduce__()[2]) |
| 325 | od.x = 10 |
Serhiy Storchaka | d2962f1 | 2016-02-08 16:39:05 +0200 | [diff] [blame] | 326 | self.assertEqual(od.__dict__['x'], 10) |
| 327 | self.assertEqual(od.__reduce__()[2], {'x': 10}) |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 328 | |
| 329 | def test_pickle_recursive(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 330 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 331 | od = OrderedDict() |
| 332 | od[1] = od |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 333 | |
| 334 | # pickle directly pulls the module, so we have to fake it |
| 335 | with replaced_module('collections', self.module): |
| 336 | for proto in range(-1, pickle.HIGHEST_PROTOCOL + 1): |
| 337 | dup = pickle.loads(pickle.dumps(od, proto)) |
| 338 | self.assertIsNot(dup, od) |
| 339 | self.assertEqual(list(dup.keys()), [1]) |
| 340 | self.assertIs(dup[1], dup) |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 341 | |
| 342 | def test_repr(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 343 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 344 | od = OrderedDict([('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)]) |
| 345 | self.assertEqual(repr(od), |
| 346 | "OrderedDict([('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)])") |
| 347 | self.assertEqual(eval(repr(od)), od) |
| 348 | self.assertEqual(repr(OrderedDict()), "OrderedDict()") |
| 349 | |
| 350 | def test_repr_recursive(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 351 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 352 | # See issue #9826 |
| 353 | od = OrderedDict.fromkeys('abc') |
| 354 | od['x'] = od |
| 355 | self.assertEqual(repr(od), |
| 356 | "OrderedDict([('a', None), ('b', None), ('c', None), ('x', ...)])") |
| 357 | |
bennorth | d7773d9 | 2018-01-26 15:46:01 +0000 | [diff] [blame] | 358 | def test_repr_recursive_values(self): |
| 359 | OrderedDict = self.OrderedDict |
| 360 | od = OrderedDict() |
| 361 | od[42] = od.values() |
| 362 | r = repr(od) |
| 363 | # Cannot perform a stronger test, as the contents of the repr |
| 364 | # are implementation-dependent. All we can say is that we |
| 365 | # want a str result, not an exception of any sort. |
| 366 | self.assertIsInstance(r, str) |
| 367 | od[42] = od.items() |
| 368 | r = repr(od) |
| 369 | # Again. |
| 370 | self.assertIsInstance(r, str) |
| 371 | |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 372 | def test_setdefault(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 373 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 374 | pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)] |
| 375 | shuffle(pairs) |
| 376 | od = OrderedDict(pairs) |
| 377 | pair_order = list(od.items()) |
| 378 | self.assertEqual(od.setdefault('a', 10), 3) |
| 379 | # make sure order didn't change |
| 380 | self.assertEqual(list(od.items()), pair_order) |
| 381 | self.assertEqual(od.setdefault('x', 10), 10) |
| 382 | # make sure 'x' is added to the end |
| 383 | self.assertEqual(list(od.items())[-1], ('x', 10)) |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 384 | self.assertEqual(od.setdefault('g', default=9), 9) |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 385 | |
| 386 | # make sure setdefault still works when __missing__ is defined |
| 387 | class Missing(OrderedDict): |
| 388 | def __missing__(self, key): |
| 389 | return 0 |
| 390 | self.assertEqual(Missing().setdefault(5, 9), 9) |
| 391 | |
| 392 | def test_reinsert(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 393 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 394 | # Given insert a, insert b, delete a, re-insert a, |
| 395 | # verify that a is now later than b. |
| 396 | od = OrderedDict() |
| 397 | od['a'] = 1 |
| 398 | od['b'] = 2 |
| 399 | del od['a'] |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 400 | self.assertEqual(list(od.items()), [('b', 2)]) |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 401 | od['a'] = 1 |
| 402 | self.assertEqual(list(od.items()), [('b', 2), ('a', 1)]) |
| 403 | |
| 404 | def test_move_to_end(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 405 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 406 | od = OrderedDict.fromkeys('abcde') |
| 407 | self.assertEqual(list(od), list('abcde')) |
| 408 | od.move_to_end('c') |
| 409 | self.assertEqual(list(od), list('abdec')) |
| 410 | od.move_to_end('c', 0) |
| 411 | self.assertEqual(list(od), list('cabde')) |
| 412 | od.move_to_end('c', 0) |
| 413 | self.assertEqual(list(od), list('cabde')) |
| 414 | od.move_to_end('e') |
| 415 | self.assertEqual(list(od), list('cabde')) |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 416 | od.move_to_end('b', last=False) |
| 417 | self.assertEqual(list(od), list('bcade')) |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 418 | with self.assertRaises(KeyError): |
| 419 | od.move_to_end('x') |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 420 | with self.assertRaises(KeyError): |
| 421 | od.move_to_end('x', 0) |
| 422 | |
| 423 | def test_move_to_end_issue25406(self): |
| 424 | OrderedDict = self.OrderedDict |
| 425 | od = OrderedDict.fromkeys('abc') |
| 426 | od.move_to_end('c', last=False) |
| 427 | self.assertEqual(list(od), list('cab')) |
| 428 | od.move_to_end('a', last=False) |
| 429 | self.assertEqual(list(od), list('acb')) |
| 430 | |
| 431 | od = OrderedDict.fromkeys('abc') |
| 432 | od.move_to_end('a') |
| 433 | self.assertEqual(list(od), list('bca')) |
| 434 | od.move_to_end('c') |
| 435 | self.assertEqual(list(od), list('bac')) |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 436 | |
| 437 | def test_sizeof(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 438 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 439 | # Wimpy test: Just verify the reported size is larger than a regular dict |
| 440 | d = dict(a=1) |
| 441 | od = OrderedDict(**d) |
| 442 | self.assertGreater(sys.getsizeof(od), sys.getsizeof(d)) |
| 443 | |
Serhiy Storchaka | b64c943 | 2015-11-25 17:18:57 +0200 | [diff] [blame] | 444 | def test_views(self): |
| 445 | OrderedDict = self.OrderedDict |
| 446 | # See http://bugs.python.org/issue24286 |
| 447 | s = 'the quick brown fox jumped over a lazy dog yesterday before dawn'.split() |
| 448 | od = OrderedDict.fromkeys(s) |
| 449 | self.assertEqual(od.keys(), dict(od).keys()) |
| 450 | self.assertEqual(od.items(), dict(od).items()) |
| 451 | |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 452 | def test_override_update(self): |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 453 | OrderedDict = self.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 454 | # Verify that subclasses can override update() without breaking __init__() |
| 455 | class MyOD(OrderedDict): |
| 456 | def update(self, *args, **kwds): |
| 457 | raise Exception() |
| 458 | items = [('a', 1), ('c', 3), ('b', 2)] |
| 459 | self.assertEqual(list(MyOD(items).items()), items) |
| 460 | |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 461 | def test_highly_nested(self): |
Jeroen Demeyer | 351c674 | 2019-05-10 19:21:11 +0200 | [diff] [blame] | 462 | # Issues 25395 and 35983: test that the trashcan mechanism works |
| 463 | # correctly for OrderedDict: deleting a highly nested OrderDict |
| 464 | # should not crash Python. |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 465 | OrderedDict = self.OrderedDict |
| 466 | obj = None |
| 467 | for _ in range(1000): |
| 468 | obj = OrderedDict([(None, obj)]) |
| 469 | del obj |
| 470 | support.gc_collect() |
| 471 | |
| 472 | def test_highly_nested_subclass(self): |
Jeroen Demeyer | 351c674 | 2019-05-10 19:21:11 +0200 | [diff] [blame] | 473 | # Issues 25395 and 35983: test that the trashcan mechanism works |
| 474 | # correctly for OrderedDict: deleting a highly nested OrderDict |
| 475 | # should not crash Python. |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 476 | OrderedDict = self.OrderedDict |
| 477 | deleted = [] |
| 478 | class MyOD(OrderedDict): |
| 479 | def __del__(self): |
| 480 | deleted.append(self.i) |
| 481 | obj = None |
| 482 | for i in range(100): |
| 483 | obj = MyOD([(None, obj)]) |
| 484 | obj.i = i |
| 485 | del obj |
| 486 | support.gc_collect() |
| 487 | self.assertEqual(deleted, list(reversed(range(100)))) |
| 488 | |
| 489 | def test_delitem_hash_collision(self): |
| 490 | OrderedDict = self.OrderedDict |
| 491 | |
| 492 | class Key: |
| 493 | def __init__(self, hash): |
| 494 | self._hash = hash |
| 495 | self.value = str(id(self)) |
| 496 | def __hash__(self): |
| 497 | return self._hash |
| 498 | def __eq__(self, other): |
| 499 | try: |
| 500 | return self.value == other.value |
| 501 | except AttributeError: |
| 502 | return False |
| 503 | def __repr__(self): |
| 504 | return self.value |
| 505 | |
| 506 | def blocking_hash(hash): |
| 507 | # See the collision-handling in lookdict (in Objects/dictobject.c). |
| 508 | MINSIZE = 8 |
| 509 | i = (hash & MINSIZE-1) |
| 510 | return (i << 2) + i + hash + 1 |
| 511 | |
| 512 | COLLIDING = 1 |
| 513 | |
| 514 | key = Key(COLLIDING) |
| 515 | colliding = Key(COLLIDING) |
| 516 | blocking = Key(blocking_hash(COLLIDING)) |
| 517 | |
| 518 | od = OrderedDict() |
| 519 | od[key] = ... |
| 520 | od[blocking] = ... |
| 521 | od[colliding] = ... |
| 522 | od['after'] = ... |
| 523 | |
| 524 | del od[blocking] |
| 525 | del od[colliding] |
| 526 | self.assertEqual(list(od.items()), [(key, ...), ('after', ...)]) |
| 527 | |
| 528 | def test_issue24347(self): |
| 529 | OrderedDict = self.OrderedDict |
| 530 | |
| 531 | class Key: |
| 532 | def __hash__(self): |
| 533 | return randrange(100000) |
| 534 | |
| 535 | od = OrderedDict() |
| 536 | for i in range(100): |
| 537 | key = Key() |
| 538 | od[key] = i |
| 539 | |
| 540 | # These should not crash. |
| 541 | with self.assertRaises(KeyError): |
| 542 | list(od.values()) |
| 543 | with self.assertRaises(KeyError): |
| 544 | list(od.items()) |
| 545 | with self.assertRaises(KeyError): |
| 546 | repr(od) |
| 547 | with self.assertRaises(KeyError): |
| 548 | od.copy() |
| 549 | |
| 550 | def test_issue24348(self): |
| 551 | OrderedDict = self.OrderedDict |
| 552 | |
| 553 | class Key: |
| 554 | def __hash__(self): |
| 555 | return 1 |
| 556 | |
| 557 | od = OrderedDict() |
| 558 | od[Key()] = 0 |
| 559 | # This should not crash. |
| 560 | od.popitem() |
| 561 | |
| 562 | def test_issue24667(self): |
| 563 | """ |
| 564 | dict resizes after a certain number of insertion operations, |
| 565 | whether or not there were deletions that freed up slots in the |
| 566 | hash table. During fast node lookup, OrderedDict must correctly |
| 567 | respond to all resizes, even if the current "size" is the same |
| 568 | as the old one. We verify that here by forcing a dict resize |
| 569 | on a sparse odict and then perform an operation that should |
| 570 | trigger an odict resize (e.g. popitem). One key aspect here is |
| 571 | that we will keep the size of the odict the same at each popitem |
| 572 | call. This verifies that we handled the dict resize properly. |
| 573 | """ |
| 574 | OrderedDict = self.OrderedDict |
| 575 | |
| 576 | od = OrderedDict() |
| 577 | for c0 in '0123456789ABCDEF': |
| 578 | for c1 in '0123456789ABCDEF': |
| 579 | if len(od) == 4: |
| 580 | # This should not raise a KeyError. |
| 581 | od.popitem(last=False) |
| 582 | key = c0 + c1 |
| 583 | od[key] = key |
| 584 | |
| 585 | # Direct use of dict methods |
| 586 | |
| 587 | def test_dict_setitem(self): |
| 588 | OrderedDict = self.OrderedDict |
| 589 | od = OrderedDict() |
| 590 | dict.__setitem__(od, 'spam', 1) |
| 591 | self.assertNotIn('NULL', repr(od)) |
| 592 | |
| 593 | def test_dict_delitem(self): |
| 594 | OrderedDict = self.OrderedDict |
| 595 | od = OrderedDict() |
| 596 | od['spam'] = 1 |
| 597 | od['ham'] = 2 |
| 598 | dict.__delitem__(od, 'spam') |
| 599 | with self.assertRaises(KeyError): |
| 600 | repr(od) |
| 601 | |
| 602 | def test_dict_clear(self): |
| 603 | OrderedDict = self.OrderedDict |
| 604 | od = OrderedDict() |
| 605 | od['spam'] = 1 |
| 606 | od['ham'] = 2 |
| 607 | dict.clear(od) |
| 608 | self.assertNotIn('NULL', repr(od)) |
| 609 | |
| 610 | def test_dict_pop(self): |
| 611 | OrderedDict = self.OrderedDict |
| 612 | od = OrderedDict() |
| 613 | od['spam'] = 1 |
| 614 | od['ham'] = 2 |
| 615 | dict.pop(od, 'spam') |
| 616 | with self.assertRaises(KeyError): |
| 617 | repr(od) |
| 618 | |
| 619 | def test_dict_popitem(self): |
| 620 | OrderedDict = self.OrderedDict |
| 621 | od = OrderedDict() |
| 622 | od['spam'] = 1 |
| 623 | od['ham'] = 2 |
| 624 | dict.popitem(od) |
| 625 | with self.assertRaises(KeyError): |
| 626 | repr(od) |
| 627 | |
| 628 | def test_dict_setdefault(self): |
| 629 | OrderedDict = self.OrderedDict |
| 630 | od = OrderedDict() |
| 631 | dict.setdefault(od, 'spam', 1) |
| 632 | self.assertNotIn('NULL', repr(od)) |
| 633 | |
| 634 | def test_dict_update(self): |
| 635 | OrderedDict = self.OrderedDict |
| 636 | od = OrderedDict() |
| 637 | dict.update(od, [('spam', 1)]) |
| 638 | self.assertNotIn('NULL', repr(od)) |
| 639 | |
Serhiy Storchaka | d205d01 | 2016-01-19 14:46:25 +0200 | [diff] [blame] | 640 | def test_reference_loop(self): |
| 641 | # Issue 25935 |
| 642 | OrderedDict = self.OrderedDict |
| 643 | class A: |
| 644 | od = OrderedDict() |
| 645 | A.od[A] = None |
| 646 | r = weakref.ref(A) |
| 647 | del A |
| 648 | gc.collect() |
| 649 | self.assertIsNone(r()) |
| 650 | |
Serhiy Storchaka | fbb1c5e | 2016-03-30 20:40:02 +0300 | [diff] [blame] | 651 | def test_free_after_iterating(self): |
| 652 | support.check_free_after_iterating(self, iter, self.OrderedDict) |
| 653 | support.check_free_after_iterating(self, lambda d: iter(d.keys()), self.OrderedDict) |
| 654 | support.check_free_after_iterating(self, lambda d: iter(d.values()), self.OrderedDict) |
| 655 | support.check_free_after_iterating(self, lambda d: iter(d.items()), self.OrderedDict) |
| 656 | |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 657 | |
| 658 | class PurePythonOrderedDictTests(OrderedDictTests, unittest.TestCase): |
| 659 | |
| 660 | module = py_coll |
| 661 | OrderedDict = py_coll.OrderedDict |
| 662 | |
| 663 | |
Victor Stinner | 742da04 | 2016-09-07 17:40:12 -0700 | [diff] [blame] | 664 | class CPythonBuiltinDictTests(unittest.TestCase): |
| 665 | """Builtin dict preserves insertion order. |
| 666 | |
| 667 | Reuse some of tests in OrderedDict selectively. |
| 668 | """ |
| 669 | |
| 670 | module = builtins |
| 671 | OrderedDict = dict |
| 672 | |
| 673 | for method in ( |
| 674 | "test_init test_update test_abc test_clear test_delitem " + |
| 675 | "test_setitem test_detect_deletion_during_iteration " + |
| 676 | "test_popitem test_reinsert test_override_update " + |
| 677 | "test_highly_nested test_highly_nested_subclass " + |
| 678 | "test_delitem_hash_collision ").split(): |
| 679 | setattr(CPythonBuiltinDictTests, method, getattr(OrderedDictTests, method)) |
| 680 | del method |
| 681 | |
| 682 | |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 683 | @unittest.skipUnless(c_coll, 'requires the C version of the collections module') |
| 684 | class CPythonOrderedDictTests(OrderedDictTests, unittest.TestCase): |
| 685 | |
| 686 | module = c_coll |
| 687 | OrderedDict = c_coll.OrderedDict |
Serhiy Storchaka | 0ce7a3a | 2015-12-22 08:16:18 +0200 | [diff] [blame] | 688 | check_sizeof = support.check_sizeof |
| 689 | |
| 690 | @support.cpython_only |
| 691 | def test_sizeof_exact(self): |
| 692 | OrderedDict = self.OrderedDict |
| 693 | calcsize = struct.calcsize |
| 694 | size = support.calcobjsize |
| 695 | check = self.check_sizeof |
| 696 | |
Victor Stinner | a1fd078 | 2016-09-09 21:51:19 -0700 | [diff] [blame] | 697 | basicsize = size('nQ2P' + '3PnPn2P') + calcsize('2nP2n') |
| 698 | |
Victor Stinner | 742da04 | 2016-09-07 17:40:12 -0700 | [diff] [blame] | 699 | entrysize = calcsize('n2P') |
| 700 | p = calcsize('P') |
Serhiy Storchaka | 0ce7a3a | 2015-12-22 08:16:18 +0200 | [diff] [blame] | 701 | nodesize = calcsize('Pn2P') |
| 702 | |
| 703 | od = OrderedDict() |
Serhiy Storchaka | 6f17e51 | 2018-10-20 02:27:45 +0300 | [diff] [blame] | 704 | check(od, basicsize + 8 + 5*entrysize) # 8byte indices + 8*2//3 * entry table |
Serhiy Storchaka | 0ce7a3a | 2015-12-22 08:16:18 +0200 | [diff] [blame] | 705 | od.x = 1 |
Serhiy Storchaka | 6f17e51 | 2018-10-20 02:27:45 +0300 | [diff] [blame] | 706 | check(od, basicsize + 8 + 5*entrysize) |
Serhiy Storchaka | 0ce7a3a | 2015-12-22 08:16:18 +0200 | [diff] [blame] | 707 | od.update([(i, i) for i in range(3)]) |
Victor Stinner | 742da04 | 2016-09-07 17:40:12 -0700 | [diff] [blame] | 708 | check(od, basicsize + 8*p + 8 + 5*entrysize + 3*nodesize) |
Serhiy Storchaka | 0ce7a3a | 2015-12-22 08:16:18 +0200 | [diff] [blame] | 709 | od.update([(i, i) for i in range(3, 10)]) |
Victor Stinner | 742da04 | 2016-09-07 17:40:12 -0700 | [diff] [blame] | 710 | check(od, basicsize + 16*p + 16 + 10*entrysize + 10*nodesize) |
Serhiy Storchaka | 0ce7a3a | 2015-12-22 08:16:18 +0200 | [diff] [blame] | 711 | |
| 712 | check(od.keys(), size('P')) |
| 713 | check(od.items(), size('P')) |
| 714 | check(od.values(), size('P')) |
| 715 | |
| 716 | itersize = size('iP2n2P') |
| 717 | check(iter(od), itersize) |
| 718 | check(iter(od.keys()), itersize) |
| 719 | check(iter(od.items()), itersize) |
| 720 | check(iter(od.values()), itersize) |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 721 | |
| 722 | def test_key_change_during_iteration(self): |
| 723 | OrderedDict = self.OrderedDict |
| 724 | |
| 725 | od = OrderedDict.fromkeys('abcde') |
| 726 | self.assertEqual(list(od), list('abcde')) |
| 727 | with self.assertRaises(RuntimeError): |
| 728 | for i, k in enumerate(od): |
| 729 | od.move_to_end(k) |
| 730 | self.assertLess(i, 5) |
| 731 | with self.assertRaises(RuntimeError): |
| 732 | for k in od: |
| 733 | od['f'] = None |
| 734 | with self.assertRaises(RuntimeError): |
| 735 | for k in od: |
| 736 | del od['c'] |
| 737 | self.assertEqual(list(od), list('bdeaf')) |
| 738 | |
Sergey Fedoseev | a5259fb | 2018-10-20 10:20:39 +0500 | [diff] [blame] | 739 | def test_iterators_pickling(self): |
| 740 | OrderedDict = self.OrderedDict |
| 741 | pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)] |
| 742 | od = OrderedDict(pairs) |
| 743 | |
| 744 | for method_name in ('keys', 'values', 'items'): |
| 745 | meth = getattr(od, method_name) |
| 746 | expected = list(meth())[1:] |
| 747 | for i in range(pickle.HIGHEST_PROTOCOL + 1): |
| 748 | with self.subTest(method_name=method_name, protocol=i): |
| 749 | it = iter(meth()) |
| 750 | next(it) |
| 751 | p = pickle.dumps(it, i) |
| 752 | unpickled = pickle.loads(p) |
| 753 | self.assertEqual(list(unpickled), expected) |
| 754 | self.assertEqual(list(it), expected) |
| 755 | |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 756 | |
| 757 | class PurePythonOrderedDictSubclassTests(PurePythonOrderedDictTests): |
| 758 | |
| 759 | module = py_coll |
| 760 | class OrderedDict(py_coll.OrderedDict): |
| 761 | pass |
| 762 | |
| 763 | |
| 764 | class CPythonOrderedDictSubclassTests(CPythonOrderedDictTests): |
| 765 | |
| 766 | module = c_coll |
| 767 | class OrderedDict(c_coll.OrderedDict): |
| 768 | pass |
| 769 | |
| 770 | |
| 771 | class PurePythonGeneralMappingTests(mapping_tests.BasicTestMappingProtocol): |
| 772 | |
| 773 | @classmethod |
| 774 | def setUpClass(cls): |
| 775 | cls.type2test = py_coll.OrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 776 | |
| 777 | def test_popitem(self): |
| 778 | d = self._empty_mapping() |
| 779 | self.assertRaises(KeyError, d.popitem) |
| 780 | |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 781 | |
Serhiy Storchaka | 2cefc1e | 2015-11-25 17:12:02 +0200 | [diff] [blame] | 782 | @unittest.skipUnless(c_coll, 'requires the C version of the collections module') |
| 783 | class CPythonGeneralMappingTests(mapping_tests.BasicTestMappingProtocol): |
| 784 | |
| 785 | @classmethod |
| 786 | def setUpClass(cls): |
| 787 | cls.type2test = c_coll.OrderedDict |
| 788 | |
| 789 | def test_popitem(self): |
| 790 | d = self._empty_mapping() |
| 791 | self.assertRaises(KeyError, d.popitem) |
| 792 | |
| 793 | |
| 794 | class PurePythonSubclassMappingTests(mapping_tests.BasicTestMappingProtocol): |
| 795 | |
| 796 | @classmethod |
| 797 | def setUpClass(cls): |
| 798 | class MyOrderedDict(py_coll.OrderedDict): |
| 799 | pass |
| 800 | cls.type2test = MyOrderedDict |
| 801 | |
| 802 | def test_popitem(self): |
| 803 | d = self._empty_mapping() |
| 804 | self.assertRaises(KeyError, d.popitem) |
| 805 | |
| 806 | |
| 807 | @unittest.skipUnless(c_coll, 'requires the C version of the collections module') |
| 808 | class CPythonSubclassMappingTests(mapping_tests.BasicTestMappingProtocol): |
| 809 | |
| 810 | @classmethod |
| 811 | def setUpClass(cls): |
| 812 | class MyOrderedDict(c_coll.OrderedDict): |
| 813 | pass |
| 814 | cls.type2test = MyOrderedDict |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 815 | |
| 816 | def test_popitem(self): |
| 817 | d = self._empty_mapping() |
| 818 | self.assertRaises(KeyError, d.popitem) |
| 819 | |
| 820 | |
Serhiy Storchaka | 33e7ea5 | 2015-11-25 17:09:01 +0200 | [diff] [blame] | 821 | if __name__ == "__main__": |
| 822 | unittest.main() |