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"""Test graph equality of caffe2 models."""
import tvm
from tvm import relay
from tvm.relay import transform
from model_zoo import c2_squeezenet, relay_squeezenet


def compare_graph(lhs_mod, rhs_mod):
    lhs_mod = transform.InferType()(lhs_mod)
    rhs_mod = transform.InferType()(rhs_mod)
    assert tvm.ir.structural_equal(lhs_mod["main"], rhs_mod["main"])


def test_squeeze_net():
    shape_dict = {"data": (1, 3, 224, 224)}
    dtype_dict = {"data": "float32"}
    mod, _, = relay.frontend.from_caffe2(
        c2_squeezenet.init_net, c2_squeezenet.predict_net, shape_dict, dtype_dict
    )
    relay_mod, _ = relay_squeezenet()
    compare_graph(mod, relay_mod)


if __name__ == "__main__":
    test_squeeze_net()