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authorVictor Stinner <victor.stinner@gmail.com>2017-10-05 13:32:53 (GMT)
committerGitHub <noreply@github.com>2017-10-05 13:32:53 (GMT)
commit11045c9d8a21dd9bd182a3939189db02815f9783 (patch)
tree903e5118d74be3c25744c69080f5ceca44283da6 /Lib/test
parentc1c47c166b1012d34f2c6e111ee9ccb5c4d12de7 (diff)
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bpo-31178: Mock os.waitpid() in test_subprocess (#3896)
Fix test_exception_errpipe_bad_data() and test_exception_errpipe_normal() of test_subprocess: mock os.waitpid() to avoid calling the real os.waitpid(0, 0) which is an unexpected side effect of the test.
Diffstat (limited to 'Lib/test')
-rw-r--r--Lib/test/test_subprocess.py12
1 files changed, 8 insertions, 4 deletions
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
index 00dc37b..3ba5c02 100644
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -1559,8 +1559,10 @@ class POSIXProcessTestCase(BaseTestCase):
fork_exec.side_effect = proper_error
- with self.assertRaises(IsADirectoryError):
- self.PopenNoDestructor(["non_existent_command"])
+ with mock.patch("subprocess.os.waitpid",
+ side_effect=ChildProcessError):
+ with self.assertRaises(IsADirectoryError):
+ self.PopenNoDestructor(["non_existent_command"])
@mock.patch("subprocess._posixsubprocess.fork_exec")
def test_exception_errpipe_bad_data(self, fork_exec):
@@ -1577,8 +1579,10 @@ class POSIXProcessTestCase(BaseTestCase):
fork_exec.side_effect = bad_error
- with self.assertRaises(subprocess.SubprocessError) as e:
- self.PopenNoDestructor(["non_existent_command"])
+ with mock.patch("subprocess.os.waitpid",
+ side_effect=ChildProcessError):
+ with self.assertRaises(subprocess.SubprocessError) as e:
+ self.PopenNoDestructor(["non_existent_command"])
self.assertIn(repr(error_data), str(e.exception))