def testCwd(self): cwd = "/proc" p = CPopen(["python", "-c", "import os; print os.getcwd()"], cwd=cwd) p.wait() self.assertTrue(p.returncode == 0, "Process failed: %s" % os.strerror(p.returncode)) self.assertEquals(p.stdout.read().strip(), cwd)
def testEcho(self): data = "Hello" p = CPopen([EXT_ECHO, "-n", data]) p.wait() self.assertTrue(p.returncode == 0, "Process failed: %s" % os.strerror(p.returncode)) self.assertEquals(p.stdout.read(), data)
def _subTest(self, name, params, *args, **kwargs): p = CPopen(["python", EXT_HELPER, name] + params, *args, **kwargs) p.wait() self.assertTrue(p.returncode == 0, "Process failed: %s" % os.strerror(p.returncode)) self.assertEquals(p.stdout.read().strip(), "True")
def testUserFileWithRedirect(self): data = "it works!" with tempfile.TemporaryFile() as f: p = CPopen(["echo", "-n", data], stdout=f, stderr=f) p.wait() f.seek(0) self.assertEqual(data, f.read())
def testNoStreams(self): p = CPopen(['true'], stdin=None, stdout=None, stderr=None) self.assertEqual(p.stdin, None) self.assertEqual(p.stdout, None) self.assertEqual(p.stderr, None) p.wait() self.assertEquals(p.returncode, 0)
def testNoStreams(self): p = CPopen(['true'], stdin=None, stdout=None, stderr=None) self.assertIsNone(p.stdin) self.assertIsNone(p.stdout) self.assertIsNone(p.stderr) p.wait() self.assertEquals(p.returncode, 0)
def testCat(self): path = "/etc/passwd" p = CPopen(["cat", path]) p.wait() self.assertTrue(p.returncode == 0, "Process failed: %s" % os.strerror(p.returncode)) with open(path, "r") as f: self.assertEquals(p.stdout.read(), f.read())
def testBrokenPipe(self): p = CPopen(["sleep", "1"]) try: p.send_signal(signal.SIGPIPE) finally: p.kill() p.wait() self.assertEqual(p.returncode, -signal.SIGKILL)
def testCloseOnExecStderr(self): # Unset close-on-exec on stderr fd with tempfile.NamedTemporaryFile() as f: set_close_on_exec(f.fileno()) p = CPopen(["sh", "-c", "echo -n data >&2"], stderr=f.fileno()) p.wait() f.seek(0) self.assertEqual(f.read(), "data")
def testCloseFDs(self): with open("/dev/zero") as f: p = CPopen(["sleep", "1"], close_fds=True) try: child_fds = set(os.listdir("/proc/%s/fd" % p.pid)) finally: p.kill() p.wait() self.assertEqual(child_fds, set(["0", "1", "2"]))
def testBrokenPipeSIGPIPERestored(self): if not cpopen.SUPPORTS_RESTORE_SIGPIPE: raise SkipTest("subprocess module does not support restore_sigpipe") p = CPopen(["sleep", "1"], restore_sigpipe=True) try: p.send_signal(signal.SIGPIPE) finally: p.kill() p.wait() self.assertEqual(p.returncode, -signal.SIGPIPE)
def testPipeline(self): # echo -n 'it works!' | cat data = "it works!" p2 = CPopen(["cat"], stdin=PIPE, stdout=PIPE) try: p1 = CPopen(["echo", "-n", data], stdin=PIPE, stdout=p2.stdin) p1.wait() finally: out, err = p2.communicate() self.assertEqual(data, out)
def testUnicodeArg(self): data = u'hello' cmd = [EXT_ECHO, "-n", data] p = CPopen(cmd) p.wait() p2 = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) p2.wait() self.assertEquals(p.stdout.read(), p2.stdout.read())
def testNoCloseFds(self): with open("/dev/zero") as f: p = CPopen(["sleep", "1"], close_fds=False) try: child_fds = set(os.listdir("/proc/%s/fd" % p.pid)) finally: p.kill() p.wait() # We cannot know which fds will be inherited in the child since the # test framework may open some fds. self.assertTrue(str(f.fileno()) in child_fds)
def testStdin(self): data = "Hello World" p = CPopen(["cat"]) p.stdin.write(data) p.stdin.flush() p.stdin.close() p.wait() self.assertTrue(p.returncode == 0, "Process failed: %s" % os.strerror(p.returncode)) self.assertEquals(p.stdout.read(), data)
def testUmaskTmpfile(self): name = os.tempnam() p = CPopen(['touch', name], childUmask=0o007) p.wait() data = os.stat(name) os.unlink(name) self.assertTrue(data.st_mode & stat.S_IROTH == 0, "%s is world-readable" % name) self.assertTrue(data.st_mode & stat.S_IWOTH == 0, "%s is world-writeable" % name) self.assertTrue(data.st_mode & stat.S_IXOTH == 0, "%s is world-executable" % name)
def testInheritParentFdsCloseFds(self): # From Python docs: If close_fds is true, all file descriptors except # 0, 1 and 2 will be closed before the child process is executed. with open("/dev/zero") as f: p = CPopen(["sleep", "1"], stdin=None, stdout=None, stderr=None, close_fds=True) try: child_fds = set(os.listdir("/proc/%s/fd" % p.pid)) finally: p.kill() p.wait() self.assertEqual(child_fds, set(["0", "1", "2"]))
def testUmaskTmpfile(self): tmp_dir = tempfile.mkdtemp() name = os.path.join(tmp_dir, "file.txt") p = CPopen(['touch', name], childUmask=0o007) p.wait() data = os.stat(name) os.unlink(name) self.assertTrue(data.st_mode & stat.S_IROTH == 0, "%s is world-readable" % name) self.assertTrue(data.st_mode & stat.S_IWOTH == 0, "%s is world-writeable" % name) self.assertTrue(data.st_mode & stat.S_IXOTH == 0, "%s is world-executable" % name) posix.rmdir(tmp_dir)
def testInheritParentFds(self): # From Python docs: With the default settings of None, no redirection # will occur; the child's file handles will be inherited from the # parent. with open("/dev/zero") as f: p = CPopen(["sleep", "1"], stdin=None, stdout=None, stderr=None, close_fds=False) try: child_fds = set(os.listdir("/proc/%s/fd" % p.pid)) finally: p.kill() p.wait() expected_fds = set(["0", "1", "2", str(f.fileno())]) self.assertEqual(child_fds, expected_fds)
def testUmaskTmpfile(self): warnings.filterwarnings( 'ignore', '^tempnam is a potential security risk.*') name = os.tempnam() p = CPopen(['touch', name], childUmask=0o007) p.wait() data = os.stat(name) os.unlink(name) self.assertTrue(data.st_mode & stat.S_IROTH == 0, "%s is world-readable" % name) self.assertTrue(data.st_mode & stat.S_IWOTH == 0, "%s is world-writeable" % name) self.assertTrue(data.st_mode & stat.S_IXOTH == 0, "%s is world-executable" % name)
def testUmaskTmpfile(self): tmp_dir = tempfile.mkdtemp() try: name = os.path.join(tmp_dir, "file.txt") p = CPopen(['touch', name], childUmask=0o007) p.wait() data = os.stat(name) self.assertTrue(data.st_mode & stat.S_IROTH == 0, "%s is world-readable" % name) self.assertTrue(data.st_mode & stat.S_IWOTH == 0, "%s is world-writeable" % name) self.assertTrue(data.st_mode & stat.S_IXOTH == 0, "%s is world-executable" % name) finally: shutil.rmtree(tmp_dir)
def testNonASCIIUnicodeArg(self): data = u'\u05e9\u05dc\u05d5\u05dd' # If the default encoding is not utf-8 the test *should* fail as non # ascii conversion shouldn't work if sys.getfilesystemencoding() != "UTF-8": raise SkipTest("The default encoding isn't unicode") cmd = [EXT_ECHO, "-n", data] p = CPopen(cmd) p.wait() p2 = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) p2.wait() self.assertEquals(p.stdout.read(), p2.stdout.read())
def testStdinEpoll(self): import select data = "Hello World" p = CPopen(["cat"]) ep = select.epoll() ep.register(p.stdin, select.EPOLLOUT) fd, ev = ep.poll(1)[0] ep.close() os.write(fd, data) p.stdin.close() p.wait() self.assertTrue(p.returncode == 0, "Process failed: %s" % os.strerror(p.returncode)) self.assertEquals(p.stdout.read(), data)
class QemuImgOperation(object): REGEXPR = re.compile(r'\s*\(([\d.]+)/100%\)\s*') def __init__(self, cmd, cwd=None): self._aborted = False self._progress = 0.0 self._stdout = bytearray() self._stderr = bytearray() cmd = cmdutils.wrap_command(cmd, with_nice=utils.NICENESS.HIGH, with_ioclass=utils.IOCLASS.IDLE) _log.debug(cmdutils.command_log_line(cmd, cwd=cwd)) self._command = CPopen(cmd, cwd=cwd, deathSignal=signal.SIGKILL) self._stream = utils.CommandStream( self._command, self._recvstdout, self._recvstderr) def _recvstderr(self, buffer): self._stderr += buffer def _recvstdout(self, buffer): self._stdout += buffer # Checking the presence of '\r' before splitting will prevent # generating the array when it's not needed. try: idx = self._stdout.rindex('\r') except ValueError: return # qemu-img updates progress by printing \r (0.00/100%) to standard out. # The output could end with a partial progress so we must discard # everything after the last \r and then try to parse a progress record. valid_progress = self._stdout[:idx] last_progress = valid_progress.rsplit('\r', 1)[-1] # No need to keep old progress information around del self._stdout[:idx + 1] m = self.REGEXPR.match(last_progress) if m is None: raise ValueError('Unable to parse: "%r"' % last_progress) self._progress = float(m.group(1)) @property def progress(self): return self._progress @property def error(self): return str(self._stderr) @property def finished(self): return self._command.poll() is not None def wait(self, timeout=None): self._stream.receive(timeout=timeout) if not self._stream.closed: return self._command.wait() if self._aborted: raise utils.ActionStopped() cmdutils.retcode_log_line(self._command.returncode, self.error) if self._command.returncode != 0: raise QImgError(self._command.returncode, "", self.error) def abort(self): if self._command.poll() is None: self._aborted = True self._command.terminate()
def _subTest(self, name, params, *args, **kwargs): p = CPopen(["python", __file__, name] + params, *args, **kwargs) p.wait() self.assertTrue(p.returncode == 0, "Process failed: %s" % os.strerror(p.returncode)) self.assertEquals(p.stdout.read().strip(), "True")
class QemuImgOperation(object): REGEXPR = re.compile(r'\s*\(([\d.]+)/100%\)\s*') def __init__(self, cmd, cwd=None): self._aborted = False self._progress = 0.0 self._stdout = bytearray() self._stderr = bytearray() cmd = cmdutils.wrap_command(cmd, with_nice=utils.NICENESS.HIGH, with_ioclass=utils.IOCLASS.IDLE) _log.debug(cmdutils.command_log_line(cmd, cwd=cwd)) self._command = CPopen(cmd, cwd=cwd, deathSignal=signal.SIGKILL) self._stream = utils.CommandStream(self._command, self._recvstdout, self._recvstderr) def _recvstderr(self, buffer): self._stderr += buffer def _recvstdout(self, buffer): self._stdout += buffer # Checking the presence of '\r' before splitting will prevent # generating the array when it's not needed. try: idx = self._stdout.rindex('\r') except ValueError: return # qemu-img updates progress by printing \r (0.00/100%) to standard out. # The output could end with a partial progress so we must discard # everything after the last \r and then try to parse a progress record. valid_progress = self._stdout[:idx] last_progress = valid_progress.rsplit('\r', 1)[-1] # No need to keep old progress information around del self._stdout[:idx + 1] m = self.REGEXPR.match(last_progress) if m is None: raise ValueError('Unable to parse: "%r"' % last_progress) self._progress = float(m.group(1)) @property def progress(self): return self._progress @property def error(self): return str(self._stderr) @property def finished(self): return self._command.poll() is not None def wait(self, timeout=None): self._stream.receive(timeout=timeout) if not self._stream.closed: return self._command.wait() if self._aborted: raise utils.ActionStopped() cmdutils.retcode_log_line(self._command.returncode, self.error) if self._command.returncode != 0: raise QImgError(self._command.returncode, "", self.error) def abort(self): if self._command.poll() is None: self._aborted = True self._command.terminate()
def testUmaskChange(self): p = CPopen(['umask'], childUmask=0o007) p.wait() out = p.stdout.readlines() self.assertEquals(out[0].strip(), '0007')