diff options
Diffstat (limited to 'test/lib')
| -rw-r--r-- | test/lib/process.py | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/test/lib/process.py b/test/lib/process.py index f13cb56..bdfe3c3 100644 --- a/test/lib/process.py +++ b/test/lib/process.py @@ -23,9 +23,13 @@ class LoggingThread(Thread): def __init__(self, process): self.process = process self.ready_event = Event() + target = lambda pipe: self.consume(pipe) super().__init__(target=target, args=[process.stdout]) + self.start() + self.ready_event.wait() + def consume(self, pipe): for line in pipe: line = line.removesuffix('\n') @@ -34,15 +38,6 @@ class LoggingThread(Thread): logging.info('Process %s is ready', self.process.log_id) self.ready_event.set() - def __enter__(self): - self.start() - self.ready_event.wait() - return self - - def __exit__(self, *args): - self.process.shut_down() - self.join() - class CmdLine: @staticmethod @@ -83,22 +78,25 @@ class CmdLine: class Process(subprocess.Popen): def __init__(self, cmd_line): self.cmd_line = cmd_line - - cmd_line.log_process_start() - self.name = cmd_line.process_name - super().__init__(cmd_line.argv, **_COMMON_ARGS) logging.info('Process %s has started', self.log_id) + self.logger = LoggingThread(self) @property def log_id(self): - return f'{self.pid}/{self.name}' + return f'{self.pid}/{self.cmd_line.process_name}' def __exit__(self, *args): try: self.shut_down() - finally: - super().__exit__(*args) + self.logger.join() + except Exception as e: + logging.exception(e) + # Postpone closing the pipes until after the logging thread is finished + # so that it doesn't attempt to read from closed descriptors. + super().__exit__(*args) + + SHUT_DOWN_TIMEOUT_SEC = 3 def shut_down(self): ec = self.poll() @@ -106,15 +104,14 @@ class Process(subprocess.Popen): return logging.info('Terminating process %s', self.log_id) self.terminate() - timeout = 3 try: - self.wait(timeout=timeout) + self.wait(timeout=Process.SHUT_DOWN_TIMEOUT_SEC) return except subprocess.TimeoutExpired: pass logging.info('Process %s failed to terminate in time, killing it', self.log_id) self.kill() - self.wait(timeout=timeout) + self.wait(timeout=Process.SHUT_DOWN_TIMEOUT_SEC) class Runner: @@ -137,17 +134,20 @@ class Runner: def run(self, cmd_line): cmd_line = self._wrap(cmd_line) cmd_line.log_process_start() + result = subprocess.run(cmd_line.argv, **_COMMON_ARGS) return result.returncode, result.stdout @contextmanager def run_async(self, cmd_line): cmd_line = self._wrap(cmd_line) - with Process(cmd_line) as process, LoggingThread(process): + cmd_line.log_process_start() + + with Process(cmd_line) as process: yield process -class CmdLineBuilder: +class CmdLineRunner: def __init__(self, runner, binary, *args): self.runner = runner self.binary = binary |