[Python-checkins] cpython (3.4): #22315: Use technique outlined in test_file_util
jason.coombs
python-checkins at python.org
Mon Sep 1 00:02:56 CEST 2014
http://hg.python.org/cpython/rev/300cd36eb25c
changeset: 92286:300cd36eb25c
branch: 3.4
user: Jason R. Coombs <jaraco at jaraco.com>
date: Sun Aug 31 17:31:32 2014 -0400
summary:
#22315: Use technique outlined in test_file_util
files:
Lib/distutils/tests/test_dir_util.py | 27 ++-------------
1 files changed, 5 insertions(+), 22 deletions(-)
diff --git a/Lib/distutils/tests/test_dir_util.py b/Lib/distutils/tests/test_dir_util.py
--- a/Lib/distutils/tests/test_dir_util.py
+++ b/Lib/distutils/tests/test_dir_util.py
@@ -3,7 +3,7 @@
import os
import stat
import sys
-import contextlib
+from unittest.mock import patch
from distutils import dir_util, errors
from distutils.dir_util import (mkpath, remove_tree, create_tree, copy_tree,
@@ -14,19 +14,6 @@
from test.support import run_unittest
- at contextlib.context_manager
-def patch_obj(obj, attr, replacement):
- """
- A poor man's mock.patch.object
- """
- orig = getattr(obj, attr)
- try:
- setattr(obj, attr, replacement)
- yield
- finally:
- setattr(obj, attr, orig)
-
-
class DirUtilTestCase(support.TempdirManager, unittest.TestCase):
def _log(self, msg, *args):
@@ -135,17 +122,13 @@
self.assertEqual(ensure_relative('c:\\home\\foo'), 'c:home\\foo')
self.assertEqual(ensure_relative('home\\foo'), 'home\\foo')
- def test_copy_tree_exception_in_listdir(self):
+ @patch('os.listdir', side_effect=OSError())
+ def test_copy_tree_exception_in_listdir(self, listdir):
"""
An exception in listdir should raise a DistutilsFileError
"""
- def new_listdir(path):
- raise OSError()
- # simulate a transient network error or other failure invoking listdir
- with patch_obj(os, 'listdir', new_listdir):
- args = 'src', None
- exc = errors.DistutilsFileError
- self.assertRaises(exc, dir_util.copy_tree, *args)
+ with self.assertRaises(errors.DistutilsFileError):
+ dir_util.copy_tree('src', None)
def test_suite():
--
Repository URL: http://hg.python.org/cpython
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