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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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import pytest

pytest.importorskip("ethosu.vela")
import tvm
from tvm import relay
from tvm.relay.backend.contrib.ethosu import util


def test_compiler_attr():
    config = {
        "accelerator_config": "ethos-u55-32",
    }
    with tvm.transform.PassContext(opt_level=3, config={"relay.ext.ethos-u.options": config}):
        with tvm.target.Target("c -device=micro_dev"):
            compiler_attrs = tvm.get_global_func("relay.ext.ethos-u.get_compiler_attrs")()
            accel_config_str = compiler_attrs.accelerator_config
            assert accel_config_str == config["accelerator_config"]


def test_compiler_attr_default():
    default_config = {
        "accelerator_config": "ethos-u55-256",
    }
    with tvm.transform.PassContext(opt_level=3):
        with tvm.target.Target("c -device=micro_dev"):
            compiler_attrs = tvm.get_global_func("relay.ext.ethos-u.get_compiler_attrs")()
            accel_config_str = compiler_attrs.accelerator_config
            assert accel_config_str == default_config["accelerator_config"]


if __name__ == "__main__":
    pytest.main([__file__])