94 lines
3.3 KiB
Python
94 lines
3.3 KiB
Python
import unittest
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from test import test_support
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class DictSetTest(unittest.TestCase):
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def test_constructors_not_callable(self):
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kt = type({}.viewkeys())
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self.assertRaises(TypeError, kt, {})
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self.assertRaises(TypeError, kt)
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it = type({}.viewitems())
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self.assertRaises(TypeError, it, {})
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self.assertRaises(TypeError, it)
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vt = type({}.viewvalues())
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self.assertRaises(TypeError, vt, {})
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self.assertRaises(TypeError, vt)
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def test_dict_keys(self):
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d = {1: 10, "a": "ABC"}
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keys = d.viewkeys()
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self.assertEqual(len(keys), 2)
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self.assertEqual(set(keys), set([1, "a"]))
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self.assertEqual(keys, set([1, "a"]))
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self.assertNotEqual(keys, set([1, "a", "b"]))
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self.assertNotEqual(keys, set([1, "b"]))
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self.assertNotEqual(keys, set([1]))
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self.assertNotEqual(keys, 42)
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self.assertIn(1, keys)
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self.assertIn("a", keys)
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self.assertNotIn(10, keys)
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self.assertNotIn("Z", keys)
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self.assertEqual(d.viewkeys(), d.viewkeys())
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e = {1: 11, "a": "def"}
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self.assertEqual(d.viewkeys(), e.viewkeys())
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del e["a"]
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self.assertNotEqual(d.viewkeys(), e.viewkeys())
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def test_dict_items(self):
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d = {1: 10, "a": "ABC"}
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items = d.viewitems()
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self.assertEqual(len(items), 2)
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self.assertEqual(set(items), set([(1, 10), ("a", "ABC")]))
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self.assertEqual(items, set([(1, 10), ("a", "ABC")]))
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self.assertNotEqual(items, set([(1, 10), ("a", "ABC"), "junk"]))
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self.assertNotEqual(items, set([(1, 10), ("a", "def")]))
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self.assertNotEqual(items, set([(1, 10)]))
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self.assertNotEqual(items, 42)
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self.assertIn((1, 10), items)
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self.assertIn(("a", "ABC"), items)
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self.assertNotIn((1, 11), items)
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self.assertNotIn(1, items)
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self.assertNotIn((), items)
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self.assertNotIn((1,), items)
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self.assertNotIn((1, 2, 3), items)
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self.assertEqual(d.viewitems(), d.viewitems())
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e = d.copy()
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self.assertEqual(d.viewitems(), e.viewitems())
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e["a"] = "def"
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self.assertNotEqual(d.viewitems(), e.viewitems())
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def test_dict_mixed_keys_items(self):
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d = {(1, 1): 11, (2, 2): 22}
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e = {1: 1, 2: 2}
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self.assertEqual(d.viewkeys(), e.viewitems())
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self.assertNotEqual(d.viewitems(), e.viewkeys())
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def test_dict_values(self):
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d = {1: 10, "a": "ABC"}
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values = d.viewvalues()
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self.assertEqual(set(values), set([10, "ABC"]))
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self.assertEqual(len(values), 2)
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def test_dict_repr(self):
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d = {1: 10, "a": "ABC"}
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self.assertIsInstance(repr(d), str)
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r = repr(d.viewitems())
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self.assertIsInstance(r, str)
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self.assertTrue(r == "dict_items([('a', 'ABC'), (1, 10)])" or
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r == "dict_items([(1, 10), ('a', 'ABC')])")
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r = repr(d.viewkeys())
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self.assertIsInstance(r, str)
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self.assertTrue(r == "dict_keys(['a', 1])" or
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r == "dict_keys([1, 'a'])")
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r = repr(d.viewvalues())
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self.assertIsInstance(r, str)
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self.assertTrue(r == "dict_values(['ABC', 10])" or
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r == "dict_values([10, 'ABC'])")
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def test_main():
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test_support.run_unittest(DictSetTest)
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if __name__ == "__main__":
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test_main()
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