web_api_mock = <requests_mock.mocker.Mocker object at 0x7fecf5e07a90> @pytest.fixture def fuse_mntdir(web_api_mock): tmpdir = TemporaryDirectory(suffix=".swh-fuse-test") # Run FUSE in foreground mode but in a separate process, so it does not # block execution and remains easy to kill during teardown def fuse_process(tmpdir): with tmpdir as mntdir: CliRunner().invoke( cli.mount, args=[ mntdir, ROOT_SWHID, "--foreground", "--cache-dir", ":memory:", "--api-url", API_URL, ], ) fuse = Process(target=fuse_process, args=[tmpdir]) fuse.start() # Wait max 3 seconds for the FUSE to correctly mount i = 0 while i < 30: try: root = listdir(tmpdir.name) if root: break except FileNotFoundError: i += 1 time.sleep(0.1) yield tmpdir.name > subprocess.run(["fusermount", "-u", tmpdir.name], check=True) .tox/py3/lib/python3.7/site-packages/swh/fuse/tests/conftest.py:63: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ input = None, capture_output = False, timeout = None, check = True popenargs = (['fusermount', '-u', '/tmp/tmp549o82m3.swh-fuse-test'],) kwargs = {}, process = <subprocess.Popen object at 0x7fecf5eaa6d8> stdout = None, stderr = None, retcode = 1 def run(*popenargs, input=None, capture_output=False, timeout=None, check=False, **kwargs): """Run command with arguments and return a CompletedProcess instance. The returned instance will have attributes args, returncode, stdout and stderr. By default, stdout and stderr are not captured, and those attributes will be None. Pass stdout=PIPE and/or stderr=PIPE in order to capture them. If check is True and the exit code was non-zero, it raises a CalledProcessError. The CalledProcessError object will have the return code in the returncode attribute, and output & stderr attributes if those streams were captured. If timeout is given, and the process takes too long, a TimeoutExpired exception will be raised. There is an optional argument "input", allowing you to pass bytes or a string to the subprocess's stdin. If you use this argument you may not also use the Popen constructor's "stdin" argument, as it will be used internally. By default, all communication is in bytes, and therefore any "input" should be bytes, and the stdout and stderr will be bytes. If in text mode, any "input" should be a string, and stdout and stderr will be strings decoded according to locale encoding, or by "encoding" if set. Text mode is triggered by setting any of text, encoding, errors or universal_newlines. The other arguments are the same as for the Popen constructor. """ if input is not None: if 'stdin' in kwargs: raise ValueError('stdin and input arguments may not both be used.') kwargs['stdin'] = PIPE if capture_output: if ('stdout' in kwargs) or ('stderr' in kwargs): raise ValueError('stdout and stderr arguments may not be used ' 'with capture_output.') kwargs['stdout'] = PIPE kwargs['stderr'] = PIPE with Popen(*popenargs, **kwargs) as process: try: stdout, stderr = process.communicate(input, timeout=timeout) except TimeoutExpired: process.kill() stdout, stderr = process.communicate() raise TimeoutExpired(process.args, timeout, output=stdout, stderr=stderr) except: # Including KeyboardInterrupt, communicate handled that. process.kill() # We don't call process.wait() as .__exit__ does that for us. raise retcode = process.poll() if check and retcode: raise CalledProcessError(retcode, process.args, > output=stdout, stderr=stderr) E subprocess.CalledProcessError: Command '['fusermount', '-u', '/tmp/tmp549o82m3.swh-fuse-test']' returned non-zero exit status 1. /usr/lib/python3.7/subprocess.py:487: CalledProcessError