tests/python/relax/test_json_compact.py

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import tvm
import tvm.testing
from tvm import relax
import json


# 0.13 BACKWARDS COMPATIBILITY TESTS
def test_vdevice():
    nodes = [
        {"type_key": ""},
        {
            "type_key": "relax.TensorStructInfo",
            "attrs": {
                "dtype": "float32",
                "ndim": "-1",
                "shape": "0",
                "span": "0",
            },
        },
    ]
    data = {
        "root": 1,
        "nodes": nodes,
        "attrs": {"tvm_version": "0.13.0"},
        "b64ndarrays": [],
    }
    tsinfo = tvm.ir.load_json(json.dumps(data))
    assert isinstance(tsinfo, relax.TensorStructInfo)
    assert not tsinfo.vdevice


if __name__ == "__main__":
    tvm.testing.main()