Function gunicorn_server

tests/test_signal_integration.py:82–133

Start and stop a gunicorn server.

(app_module)

@pytest.fixture
def gunicorn_server(app_module):
    """Start and stop a gunicorn server."""
    app_dir, app_name = app_module
    port = find_free_port()

    # Start gunicorn
    cmd = [
        sys.executable, '-m', 'gunicorn',
        '--bind', f'127.0.0.1:{port}',
        '--workers', '2',
        '--worker-class', 'sync',
        '--access-logfile', '-',
        '--error-logfile', '-',
        '--log-level', 'info',
        '--timeout', '30',
        '--graceful-timeout', '30',
        app_name
    ]

    # Use setsid to create new process group for proper signal handling
    proc = subprocess.Popen(
        cmd,
        cwd=app_dir,
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
        env={**os.environ, 'PYTHONPATH': app_dir},
        preexec_fn=os.setsid
    )

    # Wait for server to start
    if not wait_for_server('127.0.0.1', port):
        proc.terminate()
        proc.wait()
        stdout, stderr = proc.communicate()
        pytest.fail(f"Gunicorn failed to start:\nstdout: {stdout.decode()}\nstderr: {stderr.decode()}")

    yield proc, port

    # Cleanup - use process group kill for better cleanup
    if proc.poll() is None:
        try:
            os.killpg(os.getpgid(proc.pid), signal.SIGTERM)
        except (ProcessLookupError, OSError):
            pass
        try:
            proc.wait(timeout=5)
        except subprocess.TimeoutExpired:
            try:
                os.killpg(os.getpgid(proc.pid), signal.SIGKILL)
            except (ProcessLookupError, OSError):
                pass
            proc.wait()


class TestSignalHandlingIntegration: