def test_compression():
    
    filename, mode = 'test.h5', 'w'
    dtypes = ['int32', 'float32', 'float64', 'complex64', 'complex128']
    
    comps = [None, 'gzip', 'lzf']
    
    for dt in dtypes:
        for cc in comps:
            array_obj = np.ones(32768, dtype=dt)
            dump(array_obj, filename, mode, compression=cc)
            print cc, os.path.getsize(filename)
            array_hkl = load(filename)
    try:
        assert array_hkl.dtype == array_obj.dtype
        assert np.all((array_hkl, array_obj))
        os.remove(filename)
    except AssertionError:
        os.remove(filename)
        print array_hkl
        print array_obj
        raise
Test compression on datasets
dataset/ETHPy150Open telegraphic/hickle/tests/test_hickle.py/test_compression