def test_detect():
    """Test the detection of a LSF environment configuration."""
    with mock.patch.dict(os.environ, {}, clear=True):
        assert not LSFEnvironment.detect()

    with mock.patch.dict(
        os.environ,
        {
            "LSB_DJOB_RANKFILE": "",
            "LSB_JOBID": "",
            "JSM_NAMESPACE_SIZE": "",
            "JSM_NAMESPACE_LOCAL_RANK": "",
        },
    ):
        assert LSFEnvironment.detect()
Test the detection of a LSF environment configuration.
tests/tests_fabric/plugins/environments/test_lsf.py