Mercurial > cpython-lru_cache-weakref
diff Lib/test/test_subprocess.py @ 67311:e9a51d463579 3.1
Merged revisions 87695 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k
........
r87695 | antoine.pitrou | 2011-01-03 19:23:55 +0100 (lun., 03 janv. 2011) | 5 lines
Issue #10806, issue #9905: Fix subprocess pipes when some of the standard
file descriptors (0, 1, 2) are closed in the parent process. Initial
patch by Ross Lagerwall.
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| author | Antoine Pitrou <solipsis@pitrou.net> |
|---|---|
| date | Mon, 03 Jan 2011 18:36:36 +0000 |
| parents | 3110d4a48878 |
| children | 2b75ac7c9c12 3c9232a684ae |
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--- a/Lib/test/test_subprocess.py Mon Jan 03 17:53:13 2011 +0000 +++ b/Lib/test/test_subprocess.py Mon Jan 03 18:36:36 2011 +0000 @@ -804,6 +804,62 @@ " non-zero with this error:\n%s" % stderr.decode('utf8')) + def check_close_std_fds(self, fds): + # Issue #9905: test that subprocess pipes still work properly with + # some standard fds closed + stdin = 0 + newfds = [] + for a in fds: + b = os.dup(a) + newfds.append(b) + if a == 0: + stdin = b + try: + for fd in fds: + os.close(fd) + out, err = subprocess.Popen([sys.executable, "-c", + 'import sys;' + 'sys.stdout.write("apple");' + 'sys.stdout.flush();' + 'sys.stderr.write("orange")'], + stdin=stdin, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE).communicate() + err = support.strip_python_stderr(err) + self.assertEqual((out, err), (b'apple', b'orange')) + finally: + for b, a in zip(newfds, fds): + os.dup2(b, a) + for b in newfds: + os.close(b) + + def test_close_fd_0(self): + self.check_close_std_fds([0]) + + def test_close_fd_1(self): + self.check_close_std_fds([1]) + + def test_close_fd_2(self): + self.check_close_std_fds([2]) + + def test_close_fds_0_1(self): + self.check_close_std_fds([0, 1]) + + def test_close_fds_0_2(self): + self.check_close_std_fds([0, 2]) + + def test_close_fds_1_2(self): + self.check_close_std_fds([1, 2]) + + def test_close_fds_0_1_2(self): + # Issue #10806: test that subprocess pipes still work properly with + # all standard fds closed. + self.check_close_std_fds([0, 1, 2]) + + def test_surrogates_error_message(self): + def prepare(): + raise ValueError("surrogate:\uDCff") + # # Windows tests