mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-17 04:08:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Issue #28556: updates to typing.py (fix copy, deepcopy, pickle)

Browse source
This commit is contained in:
Guido van Rossum 2016-10-29 12:44:29 -07:00
parent 5fc25a873c
commit b7dedc89f1
2 changed files with 27 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

19
Lib/test/test_typing.py
View file

@ -4,6 +4,7 @@ import pickle
import re
import sys
from unittest import TestCase, main, skipUnless, SkipTest
from copy import copy, deepcopy
from typing import Any
from typing import TypeVar, AnyStr
@ -845,6 +846,24 @@ class GenericTests(BaseTestCase):
self.assertEqual(x.foo, 42)
self.assertEqual(x.bar, 'abc')
self.assertEqual(x.__dict__, {'foo': 42, 'bar': 'abc'})
simples = [Any, Union, Tuple, Callable, ClassVar, List, typing.Iterable]
for s in simples:
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
z = pickle.dumps(s, proto)
x = pickle.loads(z)
self.assertEqual(s, x)
def test_copy_and_deepcopy(self):
T = TypeVar('T')
class Node(Generic[T]): ...
things = [Union[T, int], Tuple[T, int], Callable[..., T], Callable[[int], int],
Tuple[Any, Any], Node[T], Node[int], Node[Any], typing.Iterable[T],
typing.Iterable[Any], typing.Iterable[int], typing.Dict[int, str],
typing.Dict[T, Any], ClassVar[int], ClassVar[List[T]], Tuple['T', 'T'],
Union['T', int], List['T'], typing.Mapping['T', int]]
for t in things + [Any]:
self.assertEqual(t, copy(t))
self.assertEqual(t, deepcopy(t))
def test_errors(self):
with self.assertRaises(TypeError):