| 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'}) |
| |
| self.assertEqual(d1.viewkeys() - d1.viewkeys(), set()) |
| self.assertEqual(d1.viewkeys() - d2.viewkeys(), {'a'}) |
| self.assertEqual(d1.viewkeys() - d3.viewkeys(), {'a', 'b'}) |
| self.assertEqual(d1.viewkeys() - set(d1.viewkeys()), set()) |
| self.assertEqual(d1.viewkeys() - set(d2.viewkeys()), {'a'}) |
| self.assertEqual(d1.viewkeys() - set(d3.viewkeys()), {'a', 'b'}) |
| |
| 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)}) |
| |
| self.assertEqual(d1.viewitems() - d1.viewitems(), set()) |
| self.assertEqual(d1.viewitems() - d2.viewitems(), {('a', 1)}) |
| self.assertEqual(d1.viewitems() - d3.viewitems(), {('a', 1), ('b', 2)}) |
| self.assertEqual(d1.viewitems() - set(d1.viewitems()), set()) |
| self.assertEqual(d1.viewitems() - set(d2.viewitems()), {('a', 1)}) |
| self.assertEqual(d1.viewitems() - set(d3.viewitems()), |
| {('a', 1), ('b', 2)}) |
| |
| def test_recursive_repr(self): |
| d = {} |
| d[42] = d.viewvalues() |
| self.assertRaises(RuntimeError, repr, d) |
| |
| |
| |
| |
| def test_main(): |
| test_support.run_unittest(DictSetTest) |
| |
| if __name__ == "__main__": |
| test_main() |
