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| author | Serhiy Storchaka <storchaka@gmail.com> | 2021-07-15 07:15:14 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-07-15 07:15:14 (GMT) |
| commit | 6dec5255829a31826990ea40ca106cc496570df2 (patch) | |
| tree | 39654b3a31b3d56ff680feb5880413576105d353 /Lib/test | |
| parent | 016af14d93cfba43e7a95721a97fa954c534af8e (diff) | |
| download | cpython-6dec5255829a31826990ea40ca106cc496570df2.zip cpython-6dec5255829a31826990ea40ca106cc496570df2.tar.gz cpython-6dec5255829a31826990ea40ca106cc496570df2.tar.bz2 | |
[3.10] bpo-44635: Convert None to NoneType in the union type constructor (GH-27136). (GH-27142)
(cherry picked from commit b81cac05606c84958b52ada09f690463a3c7e949)
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_types.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py index 0e1a242..5254d58 100644 --- a/Lib/test/test_types.py +++ b/Lib/test/test_types.py @@ -612,6 +612,8 @@ class TypesTests(unittest.TestCase): self.assertEqual(str | int, typing.Union[int, str]) self.assertEqual(int | None, typing.Union[int, None]) self.assertEqual(None | int, typing.Union[int, None]) + self.assertEqual(int | type(None), int | None) + self.assertEqual(type(None) | int, None | int) self.assertEqual(int | str | list, typing.Union[int, str, list]) self.assertEqual(int | (str | list), typing.Union[int, str, list]) self.assertEqual(str | (int | list), typing.Union[int, str, list]) @@ -699,6 +701,13 @@ class TypesTests(unittest.TestCase): assert TV | str == typing.Union[TV, str] assert str | TV == typing.Union[str, TV] + def test_union_args(self): + self.assertEqual((int | str).__args__, (int, str)) + self.assertEqual(((int | str) | list).__args__, (int, str, list)) + self.assertEqual((int | (str | list)).__args__, (int, str, list)) + self.assertEqual((int | None).__args__, (int, type(None))) + self.assertEqual((int | type(None)).__args__, (int, type(None))) + def test_or_type_operator_with_forward(self): T = typing.TypeVar('T') ForwardAfter = T | 'Forward' @@ -744,7 +753,11 @@ class TypesTests(unittest.TestCase): assert typing.Union[int, bool] | str == typing.Union[int, bool, str] def test_or_type_repr(self): + assert repr(int | str) == "int | str" + assert repr((int | str) | list) == "int | str | list" + assert repr(int | (str | list)) == "int | str | list" assert repr(int | None) == "int | None" + assert repr(int | type(None)) == "int | None" assert repr(int | typing.GenericAlias(list, int)) == "int | list[int]" def test_or_type_operator_with_genericalias(self): |