mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-11-02 19:12:55 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

bpo-43245: Add keyword argument support to ChainMap.new_child() (GH-24788)

Browse source
This commit is contained in:
Kamil Turek 2021-03-14 04:15:44 +01:00 • committed by GitHub
parent 9c376bc1c4
commit 9923df9641
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 18 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

4
Lib/test/test_collections.py
View file

@ -249,6 +249,10 @@ class TestChainMap(unittest.TestCase):
for k, v in dict(a=1, B=20, C=30, z=100).items(): # check get
self.assertEqual(d.get(k, 100), v)
c = ChainMap({'a': 1, 'b': 2})
d = c.new_child(b=20, c=30)
self.assertEqual(d.maps, [{'b': 20, 'c': 30}, {'a': 1, 'b': 2}])
def test_union_operators(self):
cm1 = ChainMap(dict(a=1, b=2), dict(c=3, d=4))
cm2 = ChainMap(dict(a=10, e=5), dict(b=20, d=4))