def test_no_thread_pool():
    pool = xmon_stepper.ThreadlessPool()
    result = pool.map(lambda x: x + 1, range(10))
    assert result == [x + 1 for x in range(10)]
    # No ops.
    pool.terminate()
    pool.join()
def test_no_thread_pool_no_chunking():
    pool = xmon_stepper.ThreadlessPool()
    with pytest.raises(AssertionError):
        pool.map(lambda x: x + 1, range(10), chunksize=1)