diff options
Diffstat (limited to 'lib/python2.7/test/test_dictviews.py')
| -rw-r--r-- | lib/python2.7/test/test_dictviews.py | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/lib/python2.7/test/test_dictviews.py b/lib/python2.7/test/test_dictviews.py new file mode 100644 index 0000000..f903676 --- /dev/null +++ b/lib/python2.7/test/test_dictviews.py @@ -0,0 +1,154 @@ +import unittest +from test import test_support + +class DictSetTest(unittest.TestCase): + + def test_constructors_not_callable(self): + kt = type({}.viewkeys()) + self.assertRaises(TypeError, kt, {}) + self.assertRaises(TypeError, kt) + it = type({}.viewitems()) + self.assertRaises(TypeError, it, {}) + self.assertRaises(TypeError, it) + vt = type({}.viewvalues()) + self.assertRaises(TypeError, vt, {}) + self.assertRaises(TypeError, vt) + + def test_dict_keys(self): + d = {1: 10, "a": "ABC"} + keys = d.viewkeys() + self.assertEqual(len(keys), 2) + self.assertEqual(set(keys), set([1, "a"])) + self.assertEqual(keys, set([1, "a"])) + self.assertNotEqual(keys, set([1, "a", "b"])) + self.assertNotEqual(keys, set([1, "b"])) + self.assertNotEqual(keys, set([1])) + self.assertNotEqual(keys, 42) + self.assertIn(1, keys) + self.assertIn("a", keys) + self.assertNotIn(10, keys) + self.assertNotIn("Z", keys) + self.assertEqual(d.viewkeys(), d.viewkeys()) + e = {1: 11, "a": "def"} + self.assertEqual(d.viewkeys(), e.viewkeys()) + del e["a"] + self.assertNotEqual(d.viewkeys(), e.viewkeys()) + + def test_dict_items(self): + d = {1: 10, "a": "ABC"} + items = d.viewitems() + self.assertEqual(len(items), 2) + self.assertEqual(set(items), set([(1, 10), ("a", "ABC")])) + self.assertEqual(items, set([(1, 10), ("a", "ABC")])) + self.assertNotEqual(items, set([(1, 10), ("a", "ABC"), "junk"])) + self.assertNotEqual(items, set([(1, 10), ("a", "def")])) + self.assertNotEqual(items, set([(1, 10)])) + self.assertNotEqual(items, 42) + self.assertIn((1, 10), items) + self.assertIn(("a", "ABC"), items) + self.assertNotIn((1, 11), items) + self.assertNotIn(1, items) + self.assertNotIn((), items) + self.assertNotIn((1,), items) + self.assertNotIn((1, 2, 3), items) + self.assertEqual(d.viewitems(), d.viewitems()) + e = d.copy() + self.assertEqual(d.viewitems(), e.viewitems()) + e["a"] = "def" + self.assertNotEqual(d.viewitems(), e.viewitems()) + + def test_dict_mixed_keys_items(self): + d = {(1, 1): 11, (2, 2): 22} + e = {1: 1, 2: 2} + self.assertEqual(d.viewkeys(), e.viewitems()) + self.assertNotEqual(d.viewitems(), e.viewkeys()) + + def test_dict_values(self): + d = {1: 10, "a": "ABC"} + values = d.viewvalues() + self.assertEqual(set(values), set([10, "ABC"])) + self.assertEqual(len(values), 2) + + def test_dict_repr(self): + d = {1: 10, "a": "ABC"} + self.assertIsInstance(repr(d), str) + r = repr(d.viewitems()) + self.assertIsInstance(r, str) + self.assertTrue(r == "dict_items([('a', 'ABC'), (1, 10)])" or + r == "dict_items([(1, 10), ('a', 'ABC')])") + r = repr(d.viewkeys()) + self.assertIsInstance(r, str) + self.assertTrue(r == "dict_keys(['a', 1])" or + r == "dict_keys([1, 'a'])") + r = repr(d.viewvalues()) + self.assertIsInstance(r, str) + self.assertTrue(r == "dict_values(['ABC', 10])" or + r == "dict_values([10, 'ABC'])") + + def test_keys_set_operations(self): + d1 = {'a': 1, 'b': 2} + d2 = {'b': 3, 'c': 2} + d3 = {'d': 4, 'e': 5} + self.assertEqual(d1.viewkeys() & d1.viewkeys(), {'a', 'b'}) + self.assertEqual(d1.viewkeys() & d2.viewkeys(), {'b'}) + self.assertEqual(d1.viewkeys() & d3.viewkeys(), set()) + self.assertEqual(d1.viewkeys() & set(d1.viewkeys()), {'a', 'b'}) + self.assertEqual(d1.viewkeys() & set(d2.viewkeys()), {'b'}) + self.assertEqual(d1.viewkeys() & set(d3.viewkeys()), set()) + + self.assertEqual(d1.viewkeys() | d1.viewkeys(), {'a', 'b'}) + self.assertEqual(d1.viewkeys() | d2.viewkeys(), {'a', 'b', 'c'}) + self.assertEqual(d1.viewkeys() | d3.viewkeys(), {'a', 'b', 'd', 'e'}) + self.assertEqual(d1.viewkeys() | set(d1.viewkeys()), {'a', 'b'}) + self.assertEqual(d1.viewkeys() | set(d2.viewkeys()), {'a', 'b', 'c'}) + self.assertEqual(d1.viewkeys() | set(d3.viewkeys()), + {'a', 'b', 'd', 'e'}) + + self.assertEqual(d1.viewkeys() ^ d1.viewkeys(), set()) + self.assertEqual(d1.viewkeys() ^ d2.viewkeys(), {'a', 'c'}) + self.assertEqual(d1.viewkeys() ^ d3.viewkeys(), {'a', 'b', 'd', 'e'}) + self.assertEqual(d1.viewkeys() ^ set(d1.viewkeys()), set()) + self.assertEqual(d1.viewkeys() ^ set(d2.viewkeys()), {'a', 'c'}) + self.assertEqual(d1.viewkeys() ^ set(d3.viewkeys()), + {'a', 'b', 'd', 'e'}) + + def test_items_set_operations(self): + d1 = {'a': 1, 'b': 2} + d2 = {'a': 2, 'b': 2} + d3 = {'d': 4, 'e': 5} + self.assertEqual( + d1.viewitems() & d1.viewitems(), {('a', 1), ('b', 2)}) + self.assertEqual(d1.viewitems() & d2.viewitems(), {('b', 2)}) + self.assertEqual(d1.viewitems() & d3.viewitems(), set()) + self.assertEqual(d1.viewitems() & set(d1.viewitems()), + {('a', 1), ('b', 2)}) + self.assertEqual(d1.viewitems() & set(d2.viewitems()), {('b', 2)}) + self.assertEqual(d1.viewitems() & set(d3.viewitems()), set()) + + self.assertEqual(d1.viewitems() | d1.viewitems(), + {('a', 1), ('b', 2)}) + self.assertEqual(d1.viewitems() | d2.viewitems(), + {('a', 1), ('a', 2), ('b', 2)}) + self.assertEqual(d1.viewitems() | d3.viewitems(), + {('a', 1), ('b', 2), ('d', 4), ('e', 5)}) + self.assertEqual(d1.viewitems() | set(d1.viewitems()), + {('a', 1), ('b', 2)}) + self.assertEqual(d1.viewitems() | set(d2.viewitems()), + {('a', 1), ('a', 2), ('b', 2)}) + self.assertEqual(d1.viewitems() | set(d3.viewitems()), + {('a', 1), ('b', 2), ('d', 4), ('e', 5)}) + + self.assertEqual(d1.viewitems() ^ d1.viewitems(), set()) + self.assertEqual(d1.viewitems() ^ d2.viewitems(), + {('a', 1), ('a', 2)}) + self.assertEqual(d1.viewitems() ^ d3.viewitems(), + {('a', 1), ('b', 2), ('d', 4), ('e', 5)}) + + + + +def test_main(): + test_support.run_unittest(DictSetTest) + +if __name__ == "__main__": + test_main() |