diff options
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_typing.py | 67 |
1 files changed, 38 insertions, 29 deletions
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py index 6543005..cf3171f 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -202,10 +202,13 @@ class UnionTests(BaseTestCase): def test_union_any(self): u = Union[Any] self.assertEqual(u, Any) - u = Union[int, Any] - self.assertEqual(u, Any) - u = Union[Any, int] - self.assertEqual(u, Any) + u1 = Union[int, Any] + u2 = Union[Any, int] + u3 = Union[Any, object] + self.assertEqual(u1, u2) + self.assertNotEqual(u1, Any) + self.assertNotEqual(u2, Any) + self.assertNotEqual(u3, Any) def test_union_object(self): u = Union[object] @@ -215,12 +218,6 @@ class UnionTests(BaseTestCase): u = Union[object, int] self.assertEqual(u, object) - def test_union_any_object(self): - u = Union[object, Any] - self.assertEqual(u, Any) - u = Union[Any, object] - self.assertEqual(u, Any) - def test_unordered(self): u1 = Union[int, float] u2 = Union[float, int] @@ -600,8 +597,8 @@ class GenericTests(BaseTestCase): self.assertNotIsInstance({}, MyMapping) self.assertNotIsSubclass(dict, MyMapping) - def test_multiple_abc_bases(self): - class MM1(MutableMapping[str, str], collections_abc.MutableMapping): + def test_abc_bases(self): + class MM(MutableMapping[str, str]): def __getitem__(self, k): return None def __setitem__(self, k, v): @@ -612,24 +609,20 @@ class GenericTests(BaseTestCase): return iter(()) def __len__(self): return 0 - class MM2(collections_abc.MutableMapping, MutableMapping[str, str]): - def __getitem__(self, k): - return None - def __setitem__(self, k, v): - pass - def __delitem__(self, k): + # this should just work + MM().update() + self.assertIsInstance(MM(), collections_abc.MutableMapping) + self.assertIsInstance(MM(), MutableMapping) + self.assertNotIsInstance(MM(), List) + self.assertNotIsInstance({}, MM) + + def test_multiple_bases(self): + class MM1(MutableMapping[str, str], collections_abc.MutableMapping): + pass + with self.assertRaises(TypeError): + # consistent MRO not possible + class MM2(collections_abc.MutableMapping, MutableMapping[str, str]): pass - def __iter__(self): - return iter(()) - def __len__(self): - return 0 - # these two should just work - MM1().update() - MM2().update() - self.assertIsInstance(MM1(), collections_abc.MutableMapping) - self.assertIsInstance(MM1(), MutableMapping) - self.assertIsInstance(MM2(), collections_abc.MutableMapping) - self.assertIsInstance(MM2(), MutableMapping) def test_pickle(self): global C # pickle wants to reference the class by name @@ -1380,12 +1373,28 @@ class CollectionsAbcTests(BaseTestCase): MMA() class MMC(MMA): + def __getitem__(self, k): + return None + def __setitem__(self, k, v): + pass + def __delitem__(self, k): + pass + def __iter__(self): + return iter(()) def __len__(self): return 0 self.assertEqual(len(MMC()), 0) class MMB(typing.MutableMapping[KT, VT]): + def __getitem__(self, k): + return None + def __setitem__(self, k, v): + pass + def __delitem__(self, k): + pass + def __iter__(self): + return iter(()) def __len__(self): return 0 |