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gerrit-public.fairphone.software / platform / external / python / cpython3 / bf3f8eb9602154c9434cd82e61d1b103c30615f0 / . / Lib / test / test_dictviews.py
blob: 7b02ea9eba318395dd55b6969517fe8f8116b39a [file] [log] [blame]
Guido van Rossumb90c8482007-02-10 01:11:45 +0000[diff] [blame]1import unittest
Benjamin Petersonee8712c2008-05-20 21:35:26 +0000[diff] [blame]2from test import support
Guido van Rossumb90c8482007-02-10 01:11:45 +0000[diff] [blame]3
4class DictSetTest(unittest.TestCase):
5
Guido van Rossum3ac67412007-02-10 18:55:06 +0000[diff] [blame]6 def test_constructors_not_callable(self):
Guido van Rossumcc2b0162007-02-11 06:12:03 +0000[diff] [blame]7 kt = type({}.keys())
Guido van Rossum3ac67412007-02-10 18:55:06 +0000[diff] [blame]8 self.assertRaises(TypeError, kt, {})
9 self.assertRaises(TypeError, kt)
Guido van Rossumcc2b0162007-02-11 06:12:03 +0000[diff] [blame]10 it = type({}.items())
Guido van Rossum3ac67412007-02-10 18:55:06 +0000[diff] [blame]11 self.assertRaises(TypeError, it, {})
12 self.assertRaises(TypeError, it)
Guido van Rossumcc2b0162007-02-11 06:12:03 +0000[diff] [blame]13 vt = type({}.values())
Guido van Rossum3ac67412007-02-10 18:55:06 +0000[diff] [blame]14 self.assertRaises(TypeError, vt, {})
15 self.assertRaises(TypeError, vt)
16
Guido van Rossumb90c8482007-02-10 01:11:45 +0000[diff] [blame]17 def test_dict_keys(self):
18 d = {1: 10, "a": "ABC"}
Guido van Rossumcc2b0162007-02-11 06:12:03 +0000[diff] [blame]19 keys = d.keys()
Guido van Rossum83825ac2007-02-10 04:54:19 +0000[diff] [blame]20 self.assertEqual(len(keys), 2)
Guido van Rossumd9214d12007-02-12 02:23:40 +0000[diff] [blame]21 self.assertEqual(set(keys), {1, "a"})
22 self.assertEqual(keys, {1, "a"})
23 self.assertNotEqual(keys, {1, "a", "b"})
24 self.assertNotEqual(keys, {1, "b"})
25 self.assertNotEqual(keys, {1})
26 self.assertNotEqual(keys, 42)
Benjamin Peterson577473f2010-01-19 00:09:57 +0000[diff] [blame]27 self.assertIn(1, keys)
28 self.assertIn("a", keys)
29 self.assertNotIn(10, keys)
30 self.assertNotIn("Z", keys)
Guido van Rossumd9214d12007-02-12 02:23:40 +0000[diff] [blame]31 self.assertEqual(d.keys(), d.keys())
32 e = {1: 11, "a": "def"}
33 self.assertEqual(d.keys(), e.keys())
34 del e["a"]
35 self.assertNotEqual(d.keys(), e.keys())
Guido van Rossumb90c8482007-02-10 01:11:45 +0000[diff] [blame]36
37 def test_dict_items(self):
38 d = {1: 10, "a": "ABC"}
Guido van Rossumcc2b0162007-02-11 06:12:03 +0000[diff] [blame]39 items = d.items()
Guido van Rossum83825ac2007-02-10 04:54:19 +0000[diff] [blame]40 self.assertEqual(len(items), 2)
Guido van Rossumd9214d12007-02-12 02:23:40 +0000[diff] [blame]41 self.assertEqual(set(items), {(1, 10), ("a", "ABC")})
42 self.assertEqual(items, {(1, 10), ("a", "ABC")})
43 self.assertNotEqual(items, {(1, 10), ("a", "ABC"), "junk"})
44 self.assertNotEqual(items, {(1, 10), ("a", "def")})
45 self.assertNotEqual(items, {(1, 10)})
46 self.assertNotEqual(items, 42)
Benjamin Peterson577473f2010-01-19 00:09:57 +0000[diff] [blame]47 self.assertIn((1, 10), items)
48 self.assertIn(("a", "ABC"), items)
49 self.assertNotIn((1, 11), items)
50 self.assertNotIn(1, items)
51 self.assertNotIn((), items)
52 self.assertNotIn((1,), items)
53 self.assertNotIn((1, 2, 3), items)
Guido van Rossumd9214d12007-02-12 02:23:40 +0000[diff] [blame]54 self.assertEqual(d.items(), d.items())
55 e = d.copy()
56 self.assertEqual(d.items(), e.items())
57 e["a"] = "def"
58 self.assertNotEqual(d.items(), e.items())
59
60 def test_dict_mixed_keys_items(self):
61 d = {(1, 1): 11, (2, 2): 22}
62 e = {1: 1, 2: 2}
63 self.assertEqual(d.keys(), e.items())
64 self.assertNotEqual(d.items(), e.keys())
Guido van Rossumb90c8482007-02-10 01:11:45 +0000[diff] [blame]65
66 def test_dict_values(self):
67 d = {1: 10, "a": "ABC"}
Guido van Rossumcc2b0162007-02-11 06:12:03 +0000[diff] [blame]68 values = d.values()
Guido van Rossumb90c8482007-02-10 01:11:45 +0000[diff] [blame]69 self.assertEqual(set(values), {10, "ABC"})
Guido van Rossum83825ac2007-02-10 04:54:19 +0000[diff] [blame]70 self.assertEqual(len(values), 2)
Guido van Rossumb90c8482007-02-10 01:11:45 +0000[diff] [blame]71
Alexandre Vassalottia7142572010-05-04 03:41:49 +0000[diff] [blame]72 def test_dict_repr(self):
73 d = {1: 10, "a": "ABC"}
74 self.assertIsInstance(repr(d), str)
75 r = repr(d.items())
76 self.assertIsInstance(r, str)
77 self.assertTrue(r == "dict_items([('a', 'ABC'), (1, 10)])" or
78 r == "dict_items([(1, 10), ('a', 'ABC')])")
79 r = repr(d.keys())
80 self.assertIsInstance(r, str)
81 self.assertTrue(r == "dict_keys(['a', 1])" or
82 r == "dict_keys([1, 'a'])")
83 r = repr(d.values())
84 self.assertIsInstance(r, str)
85 self.assertTrue(r == "dict_values(['ABC', 10])" or
86 r == "dict_values([10, 'ABC'])")
87
88 def test_keys_set_operations(self):
89 d1 = {'a': 1, 'b': 2}
90 d2 = {'b': 3, 'c': 2}
91 d3 = {'d': 4, 'e': 5}
92 self.assertEqual(d1.keys() & d1.keys(), {'a', 'b'})
93 self.assertEqual(d1.keys() & d2.keys(), {'b'})
94 self.assertEqual(d1.keys() & d3.keys(), set())
95 self.assertEqual(d1.keys() & set(d1.keys()), {'a', 'b'})
96 self.assertEqual(d1.keys() & set(d2.keys()), {'b'})
97 self.assertEqual(d1.keys() & set(d3.keys()), set())
98
99 self.assertEqual(d1.keys() | d1.keys(), {'a', 'b'})
100 self.assertEqual(d1.keys() | d2.keys(), {'a', 'b', 'c'})
101 self.assertEqual(d1.keys() | d3.keys(), {'a', 'b', 'd', 'e'})
102 self.assertEqual(d1.keys() | set(d1.keys()), {'a', 'b'})
103 self.assertEqual(d1.keys() | set(d2.keys()), {'a', 'b', 'c'})
104 self.assertEqual(d1.keys() | set(d3.keys()),
105 {'a', 'b', 'd', 'e'})
106
107 self.assertEqual(d1.keys() ^ d1.keys(), set())
108 self.assertEqual(d1.keys() ^ d2.keys(), {'a', 'c'})
109 self.assertEqual(d1.keys() ^ d3.keys(), {'a', 'b', 'd', 'e'})
110 self.assertEqual(d1.keys() ^ set(d1.keys()), set())
111 self.assertEqual(d1.keys() ^ set(d2.keys()), {'a', 'c'})
112 self.assertEqual(d1.keys() ^ set(d3.keys()),
113 {'a', 'b', 'd', 'e'})
114
Ezio Melotti25326352013-08-08 20:12:28 +0300[diff] [blame]115 self.assertEqual(d1.keys() - d1.keys(), set())
116 self.assertEqual(d1.keys() - d2.keys(), {'a'})
117 self.assertEqual(d1.keys() - d3.keys(), {'a', 'b'})
118 self.assertEqual(d1.keys() - set(d1.keys()), set())
119 self.assertEqual(d1.keys() - set(d2.keys()), {'a'})
120 self.assertEqual(d1.keys() - set(d3.keys()), {'a', 'b'})
121
Daniel Stutzbach045b3ba2010-09-02 15:06:06 +0000[diff] [blame]122 self.assertFalse(d1.keys().isdisjoint(d1.keys()))
123 self.assertFalse(d1.keys().isdisjoint(d2.keys()))
124 self.assertFalse(d1.keys().isdisjoint(list(d2.keys())))
125 self.assertFalse(d1.keys().isdisjoint(set(d2.keys())))
126 self.assertTrue(d1.keys().isdisjoint({'x', 'y', 'z'}))
127 self.assertTrue(d1.keys().isdisjoint(['x', 'y', 'z']))
128 self.assertTrue(d1.keys().isdisjoint(set(['x', 'y', 'z'])))
129 self.assertTrue(d1.keys().isdisjoint(set(['x', 'y'])))
130 self.assertTrue(d1.keys().isdisjoint(['x', 'y']))
131 self.assertTrue(d1.keys().isdisjoint({}))
132 self.assertTrue(d1.keys().isdisjoint(d3.keys()))
133
134 de = {}
135 self.assertTrue(de.keys().isdisjoint(set()))
136 self.assertTrue(de.keys().isdisjoint([]))
137 self.assertTrue(de.keys().isdisjoint(de.keys()))
138 self.assertTrue(de.keys().isdisjoint([1]))
139
Alexandre Vassalottia7142572010-05-04 03:41:49 +0000[diff] [blame]140 def test_items_set_operations(self):
141 d1 = {'a': 1, 'b': 2}
142 d2 = {'a': 2, 'b': 2}
143 d3 = {'d': 4, 'e': 5}
144 self.assertEqual(
145 d1.items() & d1.items(), {('a', 1), ('b', 2)})
146 self.assertEqual(d1.items() & d2.items(), {('b', 2)})
147 self.assertEqual(d1.items() & d3.items(), set())
148 self.assertEqual(d1.items() & set(d1.items()),
149 {('a', 1), ('b', 2)})
150 self.assertEqual(d1.items() & set(d2.items()), {('b', 2)})
151 self.assertEqual(d1.items() & set(d3.items()), set())
152
153 self.assertEqual(d1.items() | d1.items(),
154 {('a', 1), ('b', 2)})
155 self.assertEqual(d1.items() | d2.items(),
156 {('a', 1), ('a', 2), ('b', 2)})
157 self.assertEqual(d1.items() | d3.items(),
158 {('a', 1), ('b', 2), ('d', 4), ('e', 5)})
159 self.assertEqual(d1.items() | set(d1.items()),
160 {('a', 1), ('b', 2)})
161 self.assertEqual(d1.items() | set(d2.items()),
162 {('a', 1), ('a', 2), ('b', 2)})
163 self.assertEqual(d1.items() | set(d3.items()),
164 {('a', 1), ('b', 2), ('d', 4), ('e', 5)})
165
166 self.assertEqual(d1.items() ^ d1.items(), set())
167 self.assertEqual(d1.items() ^ d2.items(),
168 {('a', 1), ('a', 2)})
169 self.assertEqual(d1.items() ^ d3.items(),
170 {('a', 1), ('b', 2), ('d', 4), ('e', 5)})
171
Ezio Melotti25326352013-08-08 20:12:28 +0300[diff] [blame]172 self.assertEqual(d1.items() - d1.items(), set())
173 self.assertEqual(d1.items() - d2.items(), {('a', 1)})
174 self.assertEqual(d1.items() - d3.items(), {('a', 1), ('b', 2)})
175 self.assertEqual(d1.items() - set(d1.items()), set())
176 self.assertEqual(d1.items() - set(d2.items()), {('a', 1)})
177 self.assertEqual(d1.items() - set(d3.items()), {('a', 1), ('b', 2)})
178
Daniel Stutzbach045b3ba2010-09-02 15:06:06 +0000[diff] [blame]179 self.assertFalse(d1.items().isdisjoint(d1.items()))
180 self.assertFalse(d1.items().isdisjoint(d2.items()))
181 self.assertFalse(d1.items().isdisjoint(list(d2.items())))
182 self.assertFalse(d1.items().isdisjoint(set(d2.items())))
183 self.assertTrue(d1.items().isdisjoint({'x', 'y', 'z'}))
184 self.assertTrue(d1.items().isdisjoint(['x', 'y', 'z']))
185 self.assertTrue(d1.items().isdisjoint(set(['x', 'y', 'z'])))
186 self.assertTrue(d1.items().isdisjoint(set(['x', 'y'])))
187 self.assertTrue(d1.items().isdisjoint({}))
188 self.assertTrue(d1.items().isdisjoint(d3.items()))
189
190 de = {}
191 self.assertTrue(de.items().isdisjoint(set()))
192 self.assertTrue(de.items().isdisjoint([]))
193 self.assertTrue(de.items().isdisjoint(de.items()))
194 self.assertTrue(de.items().isdisjoint([1]))
195
Benjamin Peterson611d9012013-05-19 19:39:38 -0700[diff] [blame]196 def test_recursive_repr(self):
197 d = {}
198 d[42] = d.values()
199 self.assertRaises(RuntimeError, repr, d)
200
Alexandre Vassalottia7142572010-05-04 03:41:49 +0000[diff] [blame]201
Guido van Rossumb90c8482007-02-10 01:11:45 +0000[diff] [blame]202def test_main():
Benjamin Petersonee8712c2008-05-20 21:35:26 +0000[diff] [blame]203 support.run_unittest(DictSetTest)
Guido van Rossumb90c8482007-02-10 01:11:45 +0000[diff] [blame]204
205if __name__ == "__main__":
206 test_main()