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Diffstat (limited to 'Lib/test/test_subprocess.py')
| -rw-r--r-- | Lib/test/test_subprocess.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py index c2db6fab20..123d4a0218 100644 --- a/Lib/test/test_subprocess.py +++ b/Lib/test/test_subprocess.py @@ -304,6 +304,22 @@ class ProcessTestCase(unittest.TestCase): self.assertEqual(remove_stderr_debug_decorations(stderr), "pineapple") + # This test is Linux specific for simplicity to at least have + # some coverage. It is not a platform specific bug. + if os.path.isdir('/proc/%d/fd' % os.getpid()): + # Test for the fd leak reported in http://bugs.python.org/issue2791. + def test_communicate_pipe_fd_leak(self): + fd_directory = '/proc/%d/fd' % os.getpid() + num_fds_before_popen = len(os.listdir(fd_directory)) + p = subprocess.Popen([sys.executable, '-c', 'print()'], + stdout=subprocess.PIPE) + p.communicate() + num_fds_after_communicate = len(os.listdir(fd_directory)) + del p + num_fds_after_destruction = len(os.listdir(fd_directory)) + self.assertEqual(num_fds_before_popen, num_fds_after_destruction) + self.assertEqual(num_fds_before_popen, num_fds_after_communicate) + def test_communicate_returns(self): # communicate() should return None if no redirection is active p = subprocess.Popen([sys.executable, "-c", |