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Diffstat (limited to 'Lib/test/test_typing.py')
| -rw-r--r-- | Lib/test/test_typing.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py index 2ab8be49b2..7deba0d71b 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -528,6 +528,7 @@ class LiteralTests(BaseTestCase): self.assertEqual(repr(Literal[int]), "typing.Literal[int]") self.assertEqual(repr(Literal), "typing.Literal") self.assertEqual(repr(Literal[None]), "typing.Literal[None]") + self.assertEqual(repr(Literal[1, 2, 3, 3]), "typing.Literal[1, 2, 3]") def test_cannot_init(self): with self.assertRaises(TypeError): @@ -559,6 +560,30 @@ class LiteralTests(BaseTestCase): with self.assertRaises(TypeError): Literal[1][1] + def test_equal(self): + self.assertNotEqual(Literal[0], Literal[False]) + self.assertNotEqual(Literal[True], Literal[1]) + self.assertNotEqual(Literal[1], Literal[2]) + self.assertNotEqual(Literal[1, True], Literal[1]) + self.assertEqual(Literal[1], Literal[1]) + self.assertEqual(Literal[1, 2], Literal[2, 1]) + self.assertEqual(Literal[1, 2, 3], Literal[1, 2, 3, 3]) + + def test_args(self): + self.assertEqual(Literal[1, 2, 3].__args__, (1, 2, 3)) + self.assertEqual(Literal[1, 2, 3, 3].__args__, (1, 2, 3)) + self.assertEqual(Literal[1, Literal[2], Literal[3, 4]].__args__, (1, 2, 3, 4)) + # Mutable arguments will not be deduplicated + self.assertEqual(Literal[[], []].__args__, ([], [])) + + def test_flatten(self): + l1 = Literal[Literal[1], Literal[2], Literal[3]] + l2 = Literal[Literal[1, 2], 3] + l3 = Literal[Literal[1, 2, 3]] + for l in l1, l2, l3: + self.assertEqual(l, Literal[1, 2, 3]) + self.assertEqual(l.__args__, (1, 2, 3)) + XK = TypeVar('XK', str, bytes) XV = TypeVar('XV') |