Function quantinuum_mock_server

python/tests/backends/conftest.py:31–62

Start the Quantinuum mock server and write a fake credentials file. Yields the path to the credentials file.

()

@pytest.fixture(scope="session")
def quantinuum_mock_server():
    """Start the Quantinuum mock server and write a fake credentials file.

    Yields the path to the credentials file.
    """
    from network_utils import check_server_connection
    try:
        from utils.mock_qpu.quantinuum import startServer
    except Exception:
        pytest.skip("Mock qpu not available.", allow_module_level=False)

    with open(QUANTINUUM_CREDS_FILE, 'w') as f:
        f.write('key: {}\nrefresh: {}\ntime: 0'.format("nexus_key",
                                                       "nexus_refresh"))

    cudaq.set_random_seed(13)

    p = Process(target=startServer, args=(QUANTINUUM_MOCK_PORT,))
    p.start()

    if not check_server_connection(QUANTINUUM_MOCK_PORT):
        p.terminate()
        pytest.exit("Mock server did not start in time, skipping tests.",
                    returncode=1)

    yield QUANTINUUM_CREDS_FILE

    p.terminate()
    try:
        os.remove(QUANTINUUM_CREDS_FILE)
    except FileNotFoundError:
        pass


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