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from polygraphy.backend.onnx import onnx_from_path, gs_from_onnx
from polygraphy.backend.onnx import util as onnx_util
from tests.models.meta import ONNX_MODELS


def test_get_num_nodes():
    model = onnx_from_path(ONNX_MODELS["scan"].path)
    assert onnx_util.get_num_nodes(model) == 3  # Should count subgraph nodes.


def test_get_unbounded_dds_tensors():
    model = onnx_from_path(ONNX_MODELS["unbounded_dds"].path)
    graph = gs_from_onnx(model)
    tensors = onnx_util.get_unbounded_dds_tensors(graph)
    assert len(tensors) == 1
    assert tensors[0].name == "cast_out_6"