Viewing file:  test_dictviews.py (7.65 KB) -rw-r--r--
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import unittest
from test import support
class DictSetTest(unittest.TestCase):
def test_constructors_not_callable(self):
kt = type({}.keys())
self.assertRaises(TypeError, kt, {})
self.assertRaises(TypeError, kt)
it = type({}.items())
self.assertRaises(TypeError, it, {})
self.assertRaises(TypeError, it)
vt = type({}.values())
self.assertRaises(TypeError, vt, {})
self.assertRaises(TypeError, vt)
def test_dict_keys(self):
d = {1: 10, "a": "ABC"}
keys = d.keys()
self.assertEqual(len(keys), 2)
self.assertEqual(set(keys), {1, "a"})
self.assertEqual(keys, {1, "a"})
self.assertNotEqual(keys, {1, "a", "b"})
self.assertNotEqual(keys, {1, "b"})
self.assertNotEqual(keys, {1})
self.assertNotEqual(keys, 42)
self.assertIn(1, keys)
self.assertIn("a", keys)
self.assertNotIn(10, keys)
self.assertNotIn("Z", keys)
self.assertEqual(d.keys(), d.keys())
e = {1: 11, "a": "def"}
self.assertEqual(d.keys(), e.keys())
del e["a"]
self.assertNotEqual(d.keys(), e.keys())
def test_dict_items(self):
d = {1: 10, "a": "ABC"}
items = d.items()
self.assertEqual(len(items), 2)
self.assertEqual(set(items), {(1, 10), ("a", "ABC")})
self.assertEqual(items, {(1, 10), ("a", "ABC")})
self.assertNotEqual(items, {(1, 10), ("a", "ABC"), "junk"})
self.assertNotEqual(items, {(1, 10), ("a", "def")})
self.assertNotEqual(items, {(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.items(), d.items())
e = d.copy()
self.assertEqual(d.items(), e.items())
e["a"] = "def"
self.assertNotEqual(d.items(), e.items())
def test_dict_mixed_keys_items(self):
d = {(1, 1): 11, (2, 2): 22}
e = {1: 1, 2: 2}
self.assertEqual(d.keys(), e.items())
self.assertNotEqual(d.items(), e.keys())
def test_dict_values(self):
d = {1: 10, "a": "ABC"}
values = d.values()
self.assertEqual(set(values), {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.items())
self.assertIsInstance(r, str)
self.assertTrue(r == "dict_items([('a', 'ABC'), (1, 10)])" or
r == "dict_items([(1, 10), ('a', 'ABC')])")
r = repr(d.keys())
self.assertIsInstance(r, str)
self.assertTrue(r == "dict_keys(['a', 1])" or
r == "dict_keys([1, 'a'])")
r = repr(d.values())
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.keys() & d1.keys(), {'a', 'b'})
self.assertEqual(d1.keys() & d2.keys(), {'b'})
self.assertEqual(d1.keys() & d3.keys(), set())
self.assertEqual(d1.keys() & set(d1.keys()), {'a', 'b'})
self.assertEqual(d1.keys() & set(d2.keys()), {'b'})
self.assertEqual(d1.keys() & set(d3.keys()), set())
self.assertEqual(d1.keys() | d1.keys(), {'a', 'b'})
self.assertEqual(d1.keys() | d2.keys(), {'a', 'b', 'c'})
self.assertEqual(d1.keys() | d3.keys(), {'a', 'b', 'd', 'e'})
self.assertEqual(d1.keys() | set(d1.keys()), {'a', 'b'})
self.assertEqual(d1.keys() | set(d2.keys()), {'a', 'b', 'c'})
self.assertEqual(d1.keys() | set(d3.keys()),
{'a', 'b', 'd', 'e'})
self.assertEqual(d1.keys() ^ d1.keys(), set())
self.assertEqual(d1.keys() ^ d2.keys(), {'a', 'c'})
self.assertEqual(d1.keys() ^ d3.keys(), {'a', 'b', 'd', 'e'})
self.assertEqual(d1.keys() ^ set(d1.keys()), set())
self.assertEqual(d1.keys() ^ set(d2.keys()), {'a', 'c'})
self.assertEqual(d1.keys() ^ set(d3.keys()),
{'a', 'b', 'd', 'e'})
self.assertFalse(d1.keys().isdisjoint(d1.keys()))
self.assertFalse(d1.keys().isdisjoint(d2.keys()))
self.assertFalse(d1.keys().isdisjoint(list(d2.keys())))
self.assertFalse(d1.keys().isdisjoint(set(d2.keys())))
self.assertTrue(d1.keys().isdisjoint({'x', 'y', 'z'}))
self.assertTrue(d1.keys().isdisjoint(['x', 'y', 'z']))
self.assertTrue(d1.keys().isdisjoint(set(['x', 'y', 'z'])))
self.assertTrue(d1.keys().isdisjoint(set(['x', 'y'])))
self.assertTrue(d1.keys().isdisjoint(['x', 'y']))
self.assertTrue(d1.keys().isdisjoint({}))
self.assertTrue(d1.keys().isdisjoint(d3.keys()))
de = {}
self.assertTrue(de.keys().isdisjoint(set()))
self.assertTrue(de.keys().isdisjoint([]))
self.assertTrue(de.keys().isdisjoint(de.keys()))
self.assertTrue(de.keys().isdisjoint([1]))
def test_items_set_operations(self):
d1 = {'a': 1, 'b': 2}
d2 = {'a': 2, 'b': 2}
d3 = {'d': 4, 'e': 5}
self.assertEqual(
d1.items() & d1.items(), {('a', 1), ('b', 2)})
self.assertEqual(d1.items() & d2.items(), {('b', 2)})
self.assertEqual(d1.items() & d3.items(), set())
self.assertEqual(d1.items() & set(d1.items()),
{('a', 1), ('b', 2)})
self.assertEqual(d1.items() & set(d2.items()), {('b', 2)})
self.assertEqual(d1.items() & set(d3.items()), set())
self.assertEqual(d1.items() | d1.items(),
{('a', 1), ('b', 2)})
self.assertEqual(d1.items() | d2.items(),
{('a', 1), ('a', 2), ('b', 2)})
self.assertEqual(d1.items() | d3.items(),
{('a', 1), ('b', 2), ('d', 4), ('e', 5)})
self.assertEqual(d1.items() | set(d1.items()),
{('a', 1), ('b', 2)})
self.assertEqual(d1.items() | set(d2.items()),
{('a', 1), ('a', 2), ('b', 2)})
self.assertEqual(d1.items() | set(d3.items()),
{('a', 1), ('b', 2), ('d', 4), ('e', 5)})
self.assertEqual(d1.items() ^ d1.items(), set())
self.assertEqual(d1.items() ^ d2.items(),
{('a', 1), ('a', 2)})
self.assertEqual(d1.items() ^ d3.items(),
{('a', 1), ('b', 2), ('d', 4), ('e', 5)})
self.assertFalse(d1.items().isdisjoint(d1.items()))
self.assertFalse(d1.items().isdisjoint(d2.items()))
self.assertFalse(d1.items().isdisjoint(list(d2.items())))
self.assertFalse(d1.items().isdisjoint(set(d2.items())))
self.assertTrue(d1.items().isdisjoint({'x', 'y', 'z'}))
self.assertTrue(d1.items().isdisjoint(['x', 'y', 'z']))
self.assertTrue(d1.items().isdisjoint(set(['x', 'y', 'z'])))
self.assertTrue(d1.items().isdisjoint(set(['x', 'y'])))
self.assertTrue(d1.items().isdisjoint({}))
self.assertTrue(d1.items().isdisjoint(d3.items()))
de = {}
self.assertTrue(de.items().isdisjoint(set()))
self.assertTrue(de.items().isdisjoint([]))
self.assertTrue(de.items().isdisjoint(de.items()))
self.assertTrue(de.items().isdisjoint([1]))
def test_main():
support.run_unittest(DictSetTest)
if __name__ == "__main__":
test_main()
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