mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-03 00:23:06 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

Issue #26807: mock_open 'files' no longer error on readline at end of file.

Browse source 
Patch from Yolanda Robla.
This commit is contained in:
Robert Collins 2016-05-16 15:22:01 +12:00
parent 33a8fb9920
commit 9549a3e3d4
4 changed files with 18 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

12
Lib/unittest/test/testmock/testmock.py
View file

@ -1419,6 +1419,18 @@ class MockTest(unittest.TestCase):
self.assertEqual('abc', first)
self.assertEqual('abc', second)
def test_mock_open_after_eof(self):
# read, readline and readlines should work after end of file.
_open = mock.mock_open(read_data='foo')
h = _open('bar')
h.read()
self.assertEqual('', h.read())
self.assertEqual('', h.read())
self.assertEqual('', h.readline())
self.assertEqual('', h.readline())
self.assertEqual([], h.readlines())
self.assertEqual([], h.readlines())
def test_mock_parents(self):
for Klass in Mock, MagicMock:
m = Klass()