[Python-checkins] cpython (merge 3.5 -> default): Issue #26807: mock_open 'files' no longer error on readline at end of file.
robert.collins
python-checkins at python.org
Sun May 15 23:23:04 EDT 2016
https://hg.python.org/cpython/rev/72a798e27117
changeset: 101354:72a798e27117
parent: 101352:5b5a16132051
parent: 101353:cbb31b2a3dba
user: Robert Collins <rbtcollins at hp.com>
date: Mon May 16 15:22:45 2016 +1200
summary:
Issue #26807: mock_open 'files' no longer error on readline at end of file.
Patch from Yolanda Robla.
files:
Lib/unittest/mock.py | 2 ++
Lib/unittest/test/testmock/testmock.py | 12 ++++++++++++
Misc/ACKS | 1 +
Misc/NEWS | 3 +++
4 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/Lib/unittest/mock.py b/Lib/unittest/mock.py
--- a/Lib/unittest/mock.py
+++ b/Lib/unittest/mock.py
@@ -2341,6 +2341,8 @@
yield handle.readline.return_value
for line in _state[0]:
yield line
+ while True:
+ yield type(read_data)()
global file_spec
diff --git a/Lib/unittest/test/testmock/testmock.py b/Lib/unittest/test/testmock/testmock.py
--- a/Lib/unittest/test/testmock/testmock.py
+++ b/Lib/unittest/test/testmock/testmock.py
@@ -1440,6 +1440,18 @@
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()
diff --git a/Misc/ACKS b/Misc/ACKS
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1231,6 +1231,7 @@
Mark Roberts
Andy Robinson
Jim Robinson
+Yolanda Robla
Daniel Rocco
Mark Roddy
Kevin Rodgers
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -290,6 +290,9 @@
- Issue #22274: In the subprocess module, allow stderr to be redirected to
stdout even when stdout is not redirected. Patch by Akira Li.
+- Issue #26807: mock_open 'files' no longer error on readline at end of file.
+ Patch from Yolanda Robla.
+
- Issue #25745: Fixed leaking a userptr in curses panel destructor.
- Issue #26977: Removed unnecessary, and ignored, call to sum of squares helper
--
Repository URL: https://hg.python.org/cpython
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