test_cloudvolume.py 文件源码

def test_write():
    delete_layer()
    cv, data = create_layer(size=(50,50,50,1), offset=(0,0,0))

    replacement_data = np.zeros(shape=(50,50,50,1), dtype=np.uint8)
    cv[0:50,0:50,0:50] = replacement_data
    assert np.all(cv[0:50,0:50,0:50] == replacement_data)

    replacement_data = np.random.randint(255, size=(50,50,50,1), dtype=np.uint8)
    cv[0:50,0:50,0:50] = replacement_data
    assert np.all(cv[0:50,0:50,0:50] == replacement_data)

    # out of bounds
    delete_layer()
    cv, data = create_layer(size=(128,64,64,1), offset=(10,20,0))
    with pytest.raises(ValueError):
        cv[74:150,20:84,0:64] = np.ones(shape=(64,64,64,1), dtype=np.uint8)

    # non-aligned writes
    delete_layer()
    cv, data = create_layer(size=(128,64,64,1), offset=(10,20,0))
    with pytest.raises(ValueError):
        cv[21:85,0:64,0:64] = np.ones(shape=(64,64,64,1), dtype=np.uint8)