Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 1 | # tests common to dict and UserDict |
| 2 | import unittest |
Raymond Hettinger | f80680d | 2008-02-06 00:07:11 +0000 | [diff] [blame] | 3 | import collections |
Serhiy Storchaka | 1fb72d2 | 2017-12-03 22:12:11 +0200 | [diff] [blame] | 4 | import sys |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 5 | |
| 6 | |
| 7 | class BasicTestMappingProtocol(unittest.TestCase): |
| 8 | # This base class can be used to check that an object conforms to the |
| 9 | # mapping protocol |
| 10 | |
| 11 | # Functions that can be useful to override to adapt to dictionary |
| 12 | # semantics |
Walter Dörwald | 118f931 | 2004-06-02 18:42:25 +0000 | [diff] [blame] | 13 | type2test = None # which class is being tested (overwrite in subclasses) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 14 | |
| 15 | def _reference(self): |
| 16 | """Return a dictionary of values which are invariant by storage |
| 17 | in the object under test.""" |
Georg Brandl | 2daf6ae | 2012-02-20 19:54:16 +0100 | [diff] [blame] | 18 | return {"1": "2", "key1":"value1", "key2":(1,2,3)} |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 19 | def _empty_mapping(self): |
| 20 | """Return an empty mapping object""" |
Walter Dörwald | 118f931 | 2004-06-02 18:42:25 +0000 | [diff] [blame] | 21 | return self.type2test() |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 22 | def _full_mapping(self, data): |
| 23 | """Return a mapping object with the value contained in data |
| 24 | dictionary""" |
| 25 | x = self._empty_mapping() |
| 26 | for key, value in data.items(): |
| 27 | x[key] = value |
| 28 | return x |
| 29 | |
| 30 | def __init__(self, *args, **kw): |
| 31 | unittest.TestCase.__init__(self, *args, **kw) |
| 32 | self.reference = self._reference().copy() |
| 33 | |
| 34 | # A (key, value) pair not in the mapping |
| 35 | key, value = self.reference.popitem() |
| 36 | self.other = {key:value} |
| 37 | |
| 38 | # A (key, value) pair in the mapping |
| 39 | key, value = self.reference.popitem() |
| 40 | self.inmapping = {key:value} |
| 41 | self.reference[key] = value |
| 42 | |
| 43 | def test_read(self): |
| 44 | # Test for read only operations on mapping |
| 45 | p = self._empty_mapping() |
| 46 | p1 = dict(p) #workaround for singleton objects |
| 47 | d = self._full_mapping(self.reference) |
| 48 | if d is p: |
| 49 | p = p1 |
| 50 | #Indexing |
| 51 | for key, value in self.reference.items(): |
| 52 | self.assertEqual(d[key], value) |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 53 | knownkey = list(self.other.keys())[0] |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 54 | self.assertRaises(KeyError, lambda:d[knownkey]) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 55 | #len |
| 56 | self.assertEqual(len(p), 0) |
| 57 | self.assertEqual(len(d), len(self.reference)) |
Guido van Rossum | e2b70bc | 2006-08-18 22:13:04 +0000 | [diff] [blame] | 58 | #__contains__ |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 59 | for k in self.reference: |
Ezio Melotti | b58e0bd | 2010-01-23 15:40:09 +0000 | [diff] [blame] | 60 | self.assertIn(k, d) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 61 | for k in self.other: |
Ezio Melotti | b58e0bd | 2010-01-23 15:40:09 +0000 | [diff] [blame] | 62 | self.assertNotIn(k, d) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 63 | #cmp |
Guido van Rossum | 47b9ff6 | 2006-08-24 00:41:19 +0000 | [diff] [blame] | 64 | self.assertEqual(p, p) |
| 65 | self.assertEqual(d, d) |
| 66 | self.assertNotEqual(p, d) |
| 67 | self.assertNotEqual(d, p) |
Serhiy Storchaka | a60c2fe | 2015-03-12 21:56:08 +0200 | [diff] [blame] | 68 | #bool |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 69 | if p: self.fail("Empty mapping must compare to False") |
| 70 | if not d: self.fail("Full mapping must compare to True") |
| 71 | # keys(), items(), iterkeys() ... |
| 72 | def check_iterandlist(iter, lst, ref): |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 73 | self.assertTrue(hasattr(iter, '__next__')) |
| 74 | self.assertTrue(hasattr(iter, '__iter__')) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 75 | x = list(iter) |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 76 | self.assertTrue(set(x)==set(lst)==set(ref)) |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 77 | check_iterandlist(iter(d.keys()), list(d.keys()), |
| 78 | self.reference.keys()) |
| 79 | check_iterandlist(iter(d), list(d.keys()), self.reference.keys()) |
| 80 | check_iterandlist(iter(d.values()), list(d.values()), |
| 81 | self.reference.values()) |
| 82 | check_iterandlist(iter(d.items()), list(d.items()), |
| 83 | self.reference.items()) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 84 | #get |
Georg Brandl | a18af4e | 2007-04-21 15:47:16 +0000 | [diff] [blame] | 85 | key, value = next(iter(d.items())) |
| 86 | knownkey, knownvalue = next(iter(self.other.items())) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 87 | self.assertEqual(d.get(key, knownvalue), value) |
| 88 | self.assertEqual(d.get(knownkey, knownvalue), knownvalue) |
Ezio Melotti | b58e0bd | 2010-01-23 15:40:09 +0000 | [diff] [blame] | 89 | self.assertNotIn(knownkey, d) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 90 | |
| 91 | def test_write(self): |
| 92 | # Test for write operations on mapping |
| 93 | p = self._empty_mapping() |
| 94 | #Indexing |
| 95 | for key, value in self.reference.items(): |
| 96 | p[key] = value |
| 97 | self.assertEqual(p[key], value) |
| 98 | for key in self.reference.keys(): |
| 99 | del p[key] |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 100 | self.assertRaises(KeyError, lambda:p[key]) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 101 | p = self._empty_mapping() |
| 102 | #update |
| 103 | p.update(self.reference) |
| 104 | self.assertEqual(dict(p), self.reference) |
Brett Cannon | 67582d2 | 2007-02-21 21:57:55 +0000 | [diff] [blame] | 105 | items = list(p.items()) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 106 | p = self._empty_mapping() |
| 107 | p.update(items) |
| 108 | self.assertEqual(dict(p), self.reference) |
| 109 | d = self._full_mapping(self.reference) |
| 110 | #setdefault |
Georg Brandl | a18af4e | 2007-04-21 15:47:16 +0000 | [diff] [blame] | 111 | key, value = next(iter(d.items())) |
| 112 | knownkey, knownvalue = next(iter(self.other.items())) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 113 | self.assertEqual(d.setdefault(key, knownvalue), value) |
| 114 | self.assertEqual(d[key], value) |
| 115 | self.assertEqual(d.setdefault(knownkey, knownvalue), knownvalue) |
| 116 | self.assertEqual(d[knownkey], knownvalue) |
| 117 | #pop |
| 118 | self.assertEqual(d.pop(knownkey), knownvalue) |
Ezio Melotti | b58e0bd | 2010-01-23 15:40:09 +0000 | [diff] [blame] | 119 | self.assertNotIn(knownkey, d) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 120 | self.assertRaises(KeyError, d.pop, knownkey) |
| 121 | default = 909 |
| 122 | d[knownkey] = knownvalue |
| 123 | self.assertEqual(d.pop(knownkey, default), knownvalue) |
Ezio Melotti | b58e0bd | 2010-01-23 15:40:09 +0000 | [diff] [blame] | 124 | self.assertNotIn(knownkey, d) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 125 | self.assertEqual(d.pop(knownkey, default), default) |
| 126 | #popitem |
| 127 | key, value = d.popitem() |
Ezio Melotti | b58e0bd | 2010-01-23 15:40:09 +0000 | [diff] [blame] | 128 | self.assertNotIn(key, d) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 129 | self.assertEqual(value, self.reference[key]) |
| 130 | p=self._empty_mapping() |
| 131 | self.assertRaises(KeyError, p.popitem) |
| 132 | |
| 133 | def test_constructor(self): |
| 134 | self.assertEqual(self._empty_mapping(), self._empty_mapping()) |
| 135 | |
| 136 | def test_bool(self): |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 137 | self.assertTrue(not self._empty_mapping()) |
| 138 | self.assertTrue(self.reference) |
| 139 | self.assertTrue(bool(self._empty_mapping()) is False) |
| 140 | self.assertTrue(bool(self.reference) is True) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 141 | |
| 142 | def test_keys(self): |
| 143 | d = self._empty_mapping() |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 144 | self.assertEqual(list(d.keys()), []) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 145 | d = self.reference |
Ezio Melotti | b58e0bd | 2010-01-23 15:40:09 +0000 | [diff] [blame] | 146 | self.assertIn(list(self.inmapping.keys())[0], d.keys()) |
| 147 | self.assertNotIn(list(self.other.keys())[0], d.keys()) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 148 | self.assertRaises(TypeError, d.keys, None) |
| 149 | |
| 150 | def test_values(self): |
| 151 | d = self._empty_mapping() |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 152 | self.assertEqual(list(d.values()), []) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 153 | |
| 154 | self.assertRaises(TypeError, d.values, None) |
| 155 | |
| 156 | def test_items(self): |
| 157 | d = self._empty_mapping() |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 158 | self.assertEqual(list(d.items()), []) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 159 | |
| 160 | self.assertRaises(TypeError, d.items, None) |
| 161 | |
| 162 | def test_len(self): |
| 163 | d = self._empty_mapping() |
| 164 | self.assertEqual(len(d), 0) |
| 165 | |
| 166 | def test_getitem(self): |
| 167 | d = self.reference |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 168 | self.assertEqual(d[list(self.inmapping.keys())[0]], |
| 169 | list(self.inmapping.values())[0]) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 170 | |
| 171 | self.assertRaises(TypeError, d.__getitem__) |
| 172 | |
| 173 | def test_update(self): |
| 174 | # mapping argument |
| 175 | d = self._empty_mapping() |
| 176 | d.update(self.other) |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 177 | self.assertEqual(list(d.items()), list(self.other.items())) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 178 | |
| 179 | # No argument |
| 180 | d = self._empty_mapping() |
| 181 | d.update() |
| 182 | self.assertEqual(d, self._empty_mapping()) |
| 183 | |
| 184 | # item sequence |
| 185 | d = self._empty_mapping() |
| 186 | d.update(self.other.items()) |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 187 | self.assertEqual(list(d.items()), list(self.other.items())) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 188 | |
| 189 | # Iterator |
| 190 | d = self._empty_mapping() |
Guido van Rossum | cc2b016 | 2007-02-11 06:12:03 +0000 | [diff] [blame] | 191 | d.update(self.other.items()) |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 192 | self.assertEqual(list(d.items()), list(self.other.items())) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 193 | |
| 194 | # FIXME: Doesn't work with UserDict |
| 195 | # self.assertRaises((TypeError, AttributeError), d.update, None) |
| 196 | self.assertRaises((TypeError, AttributeError), d.update, 42) |
| 197 | |
| 198 | outerself = self |
| 199 | class SimpleUserDict: |
| 200 | def __init__(self): |
| 201 | self.d = outerself.reference |
| 202 | def keys(self): |
| 203 | return self.d.keys() |
| 204 | def __getitem__(self, i): |
| 205 | return self.d[i] |
| 206 | d.clear() |
| 207 | d.update(SimpleUserDict()) |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 208 | i1 = sorted(d.items()) |
| 209 | i2 = sorted(self.reference.items()) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 210 | self.assertEqual(i1, i2) |
| 211 | |
| 212 | class Exc(Exception): pass |
| 213 | |
| 214 | d = self._empty_mapping() |
| 215 | class FailingUserDict: |
| 216 | def keys(self): |
| 217 | raise Exc |
| 218 | self.assertRaises(Exc, d.update, FailingUserDict()) |
| 219 | |
| 220 | d.clear() |
| 221 | |
| 222 | class FailingUserDict: |
| 223 | def keys(self): |
| 224 | class BogonIter: |
| 225 | def __init__(self): |
| 226 | self.i = 1 |
| 227 | def __iter__(self): |
| 228 | return self |
Georg Brandl | a18af4e | 2007-04-21 15:47:16 +0000 | [diff] [blame] | 229 | def __next__(self): |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 230 | if self.i: |
| 231 | self.i = 0 |
| 232 | return 'a' |
| 233 | raise Exc |
| 234 | return BogonIter() |
| 235 | def __getitem__(self, key): |
| 236 | return key |
| 237 | self.assertRaises(Exc, d.update, FailingUserDict()) |
| 238 | |
| 239 | class FailingUserDict: |
| 240 | def keys(self): |
| 241 | class BogonIter: |
| 242 | def __init__(self): |
| 243 | self.i = ord('a') |
| 244 | def __iter__(self): |
| 245 | return self |
Georg Brandl | a18af4e | 2007-04-21 15:47:16 +0000 | [diff] [blame] | 246 | def __next__(self): |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 247 | if self.i <= ord('z'): |
| 248 | rtn = chr(self.i) |
| 249 | self.i += 1 |
| 250 | return rtn |
| 251 | raise StopIteration |
| 252 | return BogonIter() |
| 253 | def __getitem__(self, key): |
| 254 | raise Exc |
| 255 | self.assertRaises(Exc, d.update, FailingUserDict()) |
| 256 | |
| 257 | d = self._empty_mapping() |
| 258 | class badseq(object): |
| 259 | def __iter__(self): |
| 260 | return self |
Georg Brandl | a18af4e | 2007-04-21 15:47:16 +0000 | [diff] [blame] | 261 | def __next__(self): |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 262 | raise Exc() |
| 263 | |
| 264 | self.assertRaises(Exc, d.update, badseq()) |
| 265 | |
| 266 | self.assertRaises(ValueError, d.update, [(1, 2, 3)]) |
| 267 | |
| 268 | # no test_fromkeys or test_copy as both os.environ and selves don't support it |
| 269 | |
| 270 | def test_get(self): |
| 271 | d = self._empty_mapping() |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 272 | self.assertTrue(d.get(list(self.other.keys())[0]) is None) |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 273 | self.assertEqual(d.get(list(self.other.keys())[0], 3), 3) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 274 | d = self.reference |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 275 | self.assertTrue(d.get(list(self.other.keys())[0]) is None) |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 276 | self.assertEqual(d.get(list(self.other.keys())[0], 3), 3) |
| 277 | self.assertEqual(d.get(list(self.inmapping.keys())[0]), |
| 278 | list(self.inmapping.values())[0]) |
| 279 | self.assertEqual(d.get(list(self.inmapping.keys())[0], 3), |
| 280 | list(self.inmapping.values())[0]) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 281 | self.assertRaises(TypeError, d.get) |
| 282 | self.assertRaises(TypeError, d.get, None, None, None) |
| 283 | |
| 284 | def test_setdefault(self): |
| 285 | d = self._empty_mapping() |
| 286 | self.assertRaises(TypeError, d.setdefault) |
| 287 | |
| 288 | def test_popitem(self): |
| 289 | d = self._empty_mapping() |
| 290 | self.assertRaises(KeyError, d.popitem) |
| 291 | self.assertRaises(TypeError, d.popitem, 42) |
| 292 | |
| 293 | def test_pop(self): |
| 294 | d = self._empty_mapping() |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 295 | k, v = list(self.inmapping.items())[0] |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 296 | d[k] = v |
Guido van Rossum | 07f2436 | 2007-02-11 22:59:48 +0000 | [diff] [blame] | 297 | self.assertRaises(KeyError, d.pop, list(self.other.keys())[0]) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 298 | |
| 299 | self.assertEqual(d.pop(k), v) |
| 300 | self.assertEqual(len(d), 0) |
| 301 | |
| 302 | self.assertRaises(KeyError, d.pop, k) |
| 303 | |
| 304 | |
| 305 | class TestMappingProtocol(BasicTestMappingProtocol): |
| 306 | def test_constructor(self): |
| 307 | BasicTestMappingProtocol.test_constructor(self) |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 308 | self.assertTrue(self._empty_mapping() is not self._empty_mapping()) |
Walter Dörwald | 118f931 | 2004-06-02 18:42:25 +0000 | [diff] [blame] | 309 | self.assertEqual(self.type2test(x=1, y=2), {"x": 1, "y": 2}) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 310 | |
| 311 | def test_bool(self): |
| 312 | BasicTestMappingProtocol.test_bool(self) |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 313 | self.assertTrue(not self._empty_mapping()) |
| 314 | self.assertTrue(self._full_mapping({"x": "y"})) |
| 315 | self.assertTrue(bool(self._empty_mapping()) is False) |
| 316 | self.assertTrue(bool(self._full_mapping({"x": "y"})) is True) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 317 | |
| 318 | def test_keys(self): |
| 319 | BasicTestMappingProtocol.test_keys(self) |
| 320 | d = self._empty_mapping() |
Guido van Rossum | d81206d | 2007-02-15 03:49:08 +0000 | [diff] [blame] | 321 | self.assertEqual(list(d.keys()), []) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 322 | d = self._full_mapping({'a': 1, 'b': 2}) |
| 323 | k = d.keys() |
Ezio Melotti | b58e0bd | 2010-01-23 15:40:09 +0000 | [diff] [blame] | 324 | self.assertIn('a', k) |
| 325 | self.assertIn('b', k) |
| 326 | self.assertNotIn('c', k) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 327 | |
| 328 | def test_values(self): |
| 329 | BasicTestMappingProtocol.test_values(self) |
| 330 | d = self._full_mapping({1:2}) |
Guido van Rossum | d81206d | 2007-02-15 03:49:08 +0000 | [diff] [blame] | 331 | self.assertEqual(list(d.values()), [2]) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 332 | |
| 333 | def test_items(self): |
| 334 | BasicTestMappingProtocol.test_items(self) |
| 335 | |
| 336 | d = self._full_mapping({1:2}) |
Guido van Rossum | d81206d | 2007-02-15 03:49:08 +0000 | [diff] [blame] | 337 | self.assertEqual(list(d.items()), [(1, 2)]) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 338 | |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 339 | def test_contains(self): |
| 340 | d = self._empty_mapping() |
Ezio Melotti | b58e0bd | 2010-01-23 15:40:09 +0000 | [diff] [blame] | 341 | self.assertNotIn('a', d) |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 342 | self.assertTrue(not ('a' in d)) |
| 343 | self.assertTrue('a' not in d) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 344 | d = self._full_mapping({'a': 1, 'b': 2}) |
Ezio Melotti | b58e0bd | 2010-01-23 15:40:09 +0000 | [diff] [blame] | 345 | self.assertIn('a', d) |
| 346 | self.assertIn('b', d) |
| 347 | self.assertNotIn('c', d) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 348 | |
| 349 | self.assertRaises(TypeError, d.__contains__) |
| 350 | |
| 351 | def test_len(self): |
| 352 | BasicTestMappingProtocol.test_len(self) |
| 353 | d = self._full_mapping({'a': 1, 'b': 2}) |
| 354 | self.assertEqual(len(d), 2) |
| 355 | |
| 356 | def test_getitem(self): |
| 357 | BasicTestMappingProtocol.test_getitem(self) |
| 358 | d = self._full_mapping({'a': 1, 'b': 2}) |
| 359 | self.assertEqual(d['a'], 1) |
| 360 | self.assertEqual(d['b'], 2) |
| 361 | d['c'] = 3 |
| 362 | d['a'] = 4 |
| 363 | self.assertEqual(d['c'], 3) |
| 364 | self.assertEqual(d['a'], 4) |
| 365 | del d['b'] |
| 366 | self.assertEqual(d, {'a': 4, 'c': 3}) |
| 367 | |
| 368 | self.assertRaises(TypeError, d.__getitem__) |
| 369 | |
| 370 | def test_clear(self): |
| 371 | d = self._full_mapping({1:1, 2:2, 3:3}) |
| 372 | d.clear() |
| 373 | self.assertEqual(d, {}) |
| 374 | |
| 375 | self.assertRaises(TypeError, d.clear, None) |
| 376 | |
| 377 | def test_update(self): |
| 378 | BasicTestMappingProtocol.test_update(self) |
| 379 | # mapping argument |
| 380 | d = self._empty_mapping() |
| 381 | d.update({1:100}) |
| 382 | d.update({2:20}) |
| 383 | d.update({1:1, 2:2, 3:3}) |
| 384 | self.assertEqual(d, {1:1, 2:2, 3:3}) |
| 385 | |
| 386 | # no argument |
| 387 | d.update() |
| 388 | self.assertEqual(d, {1:1, 2:2, 3:3}) |
| 389 | |
| 390 | # keyword arguments |
| 391 | d = self._empty_mapping() |
| 392 | d.update(x=100) |
| 393 | d.update(y=20) |
| 394 | d.update(x=1, y=2, z=3) |
| 395 | self.assertEqual(d, {"x":1, "y":2, "z":3}) |
| 396 | |
| 397 | # item sequence |
| 398 | d = self._empty_mapping() |
| 399 | d.update([("x", 100), ("y", 20)]) |
| 400 | self.assertEqual(d, {"x":100, "y":20}) |
| 401 | |
| 402 | # Both item sequence and keyword arguments |
| 403 | d = self._empty_mapping() |
| 404 | d.update([("x", 100), ("y", 20)], x=1, y=2) |
| 405 | self.assertEqual(d, {"x":1, "y":2}) |
| 406 | |
| 407 | # iterator |
| 408 | d = self._full_mapping({1:3, 2:4}) |
Guido van Rossum | cc2b016 | 2007-02-11 06:12:03 +0000 | [diff] [blame] | 409 | d.update(self._full_mapping({1:2, 3:4, 5:6}).items()) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 410 | self.assertEqual(d, {1:2, 2:4, 3:4, 5:6}) |
| 411 | |
| 412 | class SimpleUserDict: |
| 413 | def __init__(self): |
| 414 | self.d = {1:1, 2:2, 3:3} |
| 415 | def keys(self): |
| 416 | return self.d.keys() |
| 417 | def __getitem__(self, i): |
| 418 | return self.d[i] |
| 419 | d.clear() |
| 420 | d.update(SimpleUserDict()) |
| 421 | self.assertEqual(d, {1:1, 2:2, 3:3}) |
| 422 | |
| 423 | def test_fromkeys(self): |
Walter Dörwald | 118f931 | 2004-06-02 18:42:25 +0000 | [diff] [blame] | 424 | self.assertEqual(self.type2test.fromkeys('abc'), {'a':None, 'b':None, 'c':None}) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 425 | d = self._empty_mapping() |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 426 | self.assertTrue(not(d.fromkeys('abc') is d)) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 427 | self.assertEqual(d.fromkeys('abc'), {'a':None, 'b':None, 'c':None}) |
| 428 | self.assertEqual(d.fromkeys((4,5),0), {4:0, 5:0}) |
| 429 | self.assertEqual(d.fromkeys([]), {}) |
| 430 | def g(): |
| 431 | yield 1 |
| 432 | self.assertEqual(d.fromkeys(g()), {1:None}) |
| 433 | self.assertRaises(TypeError, {}.fromkeys, 3) |
Walter Dörwald | 118f931 | 2004-06-02 18:42:25 +0000 | [diff] [blame] | 434 | class dictlike(self.type2test): pass |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 435 | self.assertEqual(dictlike.fromkeys('a'), {'a':None}) |
| 436 | self.assertEqual(dictlike().fromkeys('a'), {'a':None}) |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 437 | self.assertTrue(dictlike.fromkeys('a').__class__ is dictlike) |
| 438 | self.assertTrue(dictlike().fromkeys('a').__class__ is dictlike) |
Ezio Melotti | e961593 | 2010-01-24 19:26:24 +0000 | [diff] [blame] | 439 | self.assertTrue(type(dictlike.fromkeys('a')) is dictlike) |
Walter Dörwald | 118f931 | 2004-06-02 18:42:25 +0000 | [diff] [blame] | 440 | class mydict(self.type2test): |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 441 | def __new__(cls): |
Raymond Hettinger | f80680d | 2008-02-06 00:07:11 +0000 | [diff] [blame] | 442 | return collections.UserDict() |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 443 | ud = mydict.fromkeys('ab') |
| 444 | self.assertEqual(ud, {'a':None, 'b':None}) |
Ezio Melotti | e961593 | 2010-01-24 19:26:24 +0000 | [diff] [blame] | 445 | self.assertIsInstance(ud, collections.UserDict) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 446 | self.assertRaises(TypeError, dict.fromkeys) |
| 447 | |
| 448 | class Exc(Exception): pass |
| 449 | |
Walter Dörwald | 118f931 | 2004-06-02 18:42:25 +0000 | [diff] [blame] | 450 | class baddict1(self.type2test): |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 451 | def __init__(self): |
| 452 | raise Exc() |
| 453 | |
| 454 | self.assertRaises(Exc, baddict1.fromkeys, [1]) |
| 455 | |
| 456 | class BadSeq(object): |
| 457 | def __iter__(self): |
| 458 | return self |
Georg Brandl | a18af4e | 2007-04-21 15:47:16 +0000 | [diff] [blame] | 459 | def __next__(self): |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 460 | raise Exc() |
| 461 | |
Walter Dörwald | 118f931 | 2004-06-02 18:42:25 +0000 | [diff] [blame] | 462 | self.assertRaises(Exc, self.type2test.fromkeys, BadSeq()) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 463 | |
Walter Dörwald | 118f931 | 2004-06-02 18:42:25 +0000 | [diff] [blame] | 464 | class baddict2(self.type2test): |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 465 | def __setitem__(self, key, value): |
| 466 | raise Exc() |
| 467 | |
| 468 | self.assertRaises(Exc, baddict2.fromkeys, [1]) |
| 469 | |
| 470 | def test_copy(self): |
| 471 | d = self._full_mapping({1:1, 2:2, 3:3}) |
| 472 | self.assertEqual(d.copy(), {1:1, 2:2, 3:3}) |
| 473 | d = self._empty_mapping() |
| 474 | self.assertEqual(d.copy(), d) |
Ezio Melotti | e961593 | 2010-01-24 19:26:24 +0000 | [diff] [blame] | 475 | self.assertIsInstance(d.copy(), d.__class__) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 476 | self.assertRaises(TypeError, d.copy, None) |
| 477 | |
| 478 | def test_get(self): |
| 479 | BasicTestMappingProtocol.test_get(self) |
| 480 | d = self._empty_mapping() |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 481 | self.assertTrue(d.get('c') is None) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 482 | self.assertEqual(d.get('c', 3), 3) |
| 483 | d = self._full_mapping({'a' : 1, 'b' : 2}) |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 484 | self.assertTrue(d.get('c') is None) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 485 | self.assertEqual(d.get('c', 3), 3) |
| 486 | self.assertEqual(d.get('a'), 1) |
| 487 | self.assertEqual(d.get('a', 3), 1) |
| 488 | |
| 489 | def test_setdefault(self): |
| 490 | BasicTestMappingProtocol.test_setdefault(self) |
| 491 | d = self._empty_mapping() |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 492 | self.assertTrue(d.setdefault('key0') is None) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 493 | d.setdefault('key0', []) |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 494 | self.assertTrue(d.setdefault('key0') is None) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 495 | d.setdefault('key', []).append(3) |
| 496 | self.assertEqual(d['key'][0], 3) |
| 497 | d.setdefault('key', []).append(4) |
| 498 | self.assertEqual(len(d['key']), 2) |
| 499 | |
| 500 | def test_popitem(self): |
| 501 | BasicTestMappingProtocol.test_popitem(self) |
| 502 | for copymode in -1, +1: |
| 503 | # -1: b has same structure as a |
| 504 | # +1: b is a.copy() |
| 505 | for log2size in range(12): |
| 506 | size = 2**log2size |
| 507 | a = self._empty_mapping() |
| 508 | b = self._empty_mapping() |
| 509 | for i in range(size): |
| 510 | a[repr(i)] = i |
| 511 | if copymode < 0: |
| 512 | b[repr(i)] = i |
| 513 | if copymode > 0: |
| 514 | b = a.copy() |
| 515 | for i in range(size): |
| 516 | ka, va = ta = a.popitem() |
| 517 | self.assertEqual(va, int(ka)) |
| 518 | kb, vb = tb = b.popitem() |
| 519 | self.assertEqual(vb, int(kb)) |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 520 | self.assertTrue(not(copymode < 0 and ta != tb)) |
| 521 | self.assertTrue(not a) |
| 522 | self.assertTrue(not b) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 523 | |
| 524 | def test_pop(self): |
| 525 | BasicTestMappingProtocol.test_pop(self) |
| 526 | |
| 527 | # Tests for pop with specified key |
| 528 | d = self._empty_mapping() |
| 529 | k, v = 'abc', 'def' |
| 530 | |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 531 | self.assertEqual(d.pop(k, v), v) |
| 532 | d[k] = v |
| 533 | self.assertEqual(d.pop(k, 1), v) |
| 534 | |
| 535 | |
| 536 | class TestHashMappingProtocol(TestMappingProtocol): |
| 537 | |
| 538 | def test_getitem(self): |
| 539 | TestMappingProtocol.test_getitem(self) |
| 540 | class Exc(Exception): pass |
| 541 | |
| 542 | class BadEq(object): |
| 543 | def __eq__(self, other): |
| 544 | raise Exc() |
Guido van Rossum | 3893815 | 2006-08-21 23:36:26 +0000 | [diff] [blame] | 545 | def __hash__(self): |
| 546 | return 24 |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 547 | |
| 548 | d = self._empty_mapping() |
| 549 | d[BadEq()] = 42 |
| 550 | self.assertRaises(KeyError, d.__getitem__, 23) |
| 551 | |
| 552 | class BadHash(object): |
| 553 | fail = False |
| 554 | def __hash__(self): |
| 555 | if self.fail: |
| 556 | raise Exc() |
| 557 | else: |
| 558 | return 42 |
| 559 | |
| 560 | d = self._empty_mapping() |
| 561 | x = BadHash() |
| 562 | d[x] = 42 |
| 563 | x.fail = True |
| 564 | self.assertRaises(Exc, d.__getitem__, x) |
| 565 | |
| 566 | def test_fromkeys(self): |
| 567 | TestMappingProtocol.test_fromkeys(self) |
Walter Dörwald | 118f931 | 2004-06-02 18:42:25 +0000 | [diff] [blame] | 568 | class mydict(self.type2test): |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 569 | def __new__(cls): |
Raymond Hettinger | f80680d | 2008-02-06 00:07:11 +0000 | [diff] [blame] | 570 | return collections.UserDict() |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 571 | ud = mydict.fromkeys('ab') |
| 572 | self.assertEqual(ud, {'a':None, 'b':None}) |
Ezio Melotti | e961593 | 2010-01-24 19:26:24 +0000 | [diff] [blame] | 573 | self.assertIsInstance(ud, collections.UserDict) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 574 | |
| 575 | def test_pop(self): |
| 576 | TestMappingProtocol.test_pop(self) |
| 577 | |
| 578 | class Exc(Exception): pass |
| 579 | |
| 580 | class BadHash(object): |
| 581 | fail = False |
| 582 | def __hash__(self): |
| 583 | if self.fail: |
| 584 | raise Exc() |
| 585 | else: |
| 586 | return 42 |
| 587 | |
| 588 | d = self._empty_mapping() |
| 589 | x = BadHash() |
| 590 | d[x] = 42 |
| 591 | x.fail = True |
| 592 | self.assertRaises(Exc, d.pop, x) |
| 593 | |
| 594 | def test_mutatingiteration(self): |
| 595 | d = self._empty_mapping() |
| 596 | d[1] = 1 |
| 597 | try: |
| 598 | for i in d: |
| 599 | d[i+1] = 1 |
| 600 | except RuntimeError: |
| 601 | pass |
| 602 | else: |
| 603 | self.fail("changing dict size during iteration doesn't raise Error") |
| 604 | |
| 605 | def test_repr(self): |
| 606 | d = self._empty_mapping() |
| 607 | self.assertEqual(repr(d), '{}') |
| 608 | d[1] = 2 |
| 609 | self.assertEqual(repr(d), '{1: 2}') |
| 610 | d = self._empty_mapping() |
| 611 | d[1] = d |
| 612 | self.assertEqual(repr(d), '{1: {...}}') |
| 613 | |
| 614 | class Exc(Exception): pass |
| 615 | |
| 616 | class BadRepr(object): |
| 617 | def __repr__(self): |
| 618 | raise Exc() |
| 619 | |
| 620 | d = self._full_mapping({1: BadRepr()}) |
| 621 | self.assertRaises(Exc, repr, d) |
| 622 | |
Serhiy Storchaka | 1fb72d2 | 2017-12-03 22:12:11 +0200 | [diff] [blame] | 623 | def test_repr_deep(self): |
| 624 | d = self._empty_mapping() |
| 625 | for i in range(sys.getrecursionlimit() + 100): |
| 626 | d0 = d |
| 627 | d = self._empty_mapping() |
| 628 | d[1] = d0 |
| 629 | self.assertRaises(RecursionError, repr, d) |
| 630 | |
Guido van Rossum | 47b9ff6 | 2006-08-24 00:41:19 +0000 | [diff] [blame] | 631 | def test_eq(self): |
| 632 | self.assertEqual(self._empty_mapping(), self._empty_mapping()) |
| 633 | self.assertEqual(self._full_mapping({1: 2}), |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 634 | self._full_mapping({1: 2})) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 635 | |
| 636 | class Exc(Exception): pass |
| 637 | |
| 638 | class BadCmp(object): |
| 639 | def __eq__(self, other): |
| 640 | raise Exc() |
Guido van Rossum | 3893815 | 2006-08-21 23:36:26 +0000 | [diff] [blame] | 641 | def __hash__(self): |
Guido van Rossum | 47b9ff6 | 2006-08-24 00:41:19 +0000 | [diff] [blame] | 642 | return 1 |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 643 | |
| 644 | d1 = self._full_mapping({BadCmp(): 1}) |
| 645 | d2 = self._full_mapping({1: 1}) |
Guido van Rossum | 47b9ff6 | 2006-08-24 00:41:19 +0000 | [diff] [blame] | 646 | self.assertRaises(Exc, lambda: BadCmp()==1) |
| 647 | self.assertRaises(Exc, lambda: d1==d2) |
Walter Dörwald | 0a6d0ff | 2004-05-31 16:29:04 +0000 | [diff] [blame] | 648 | |
| 649 | def test_setdefault(self): |
| 650 | TestMappingProtocol.test_setdefault(self) |
| 651 | |
| 652 | class Exc(Exception): pass |
| 653 | |
| 654 | class BadHash(object): |
| 655 | fail = False |
| 656 | def __hash__(self): |
| 657 | if self.fail: |
| 658 | raise Exc() |
| 659 | else: |
| 660 | return 42 |
| 661 | |
| 662 | d = self._empty_mapping() |
| 663 | x = BadHash() |
| 664 | d[x] = 42 |
| 665 | x.fail = True |
| 666 | self.assertRaises(Exc, d.setdefault, x, []) |