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import argparse
import os
import shutil

from inspect import isfunction
from os import path

import pytest

import tvm

from tvm.driver import tvmc

from tvm.driver.tvmc import TVMCException


def test_get_codegen_names():
    names = tvmc.composite_target.get_codegen_names()

    assert "ethos-n77" in names
    assert "ethos-n78" in names
    assert "vitis-ai" in names
    assert len(names) > 0


def test_valid_codegen():
    codegen = tvmc.composite_target.get_codegen_by_target("compute-library")

    assert codegen is not None
    assert codegen["pass_pipeline"] is not None


def test_invalid_codegen():
    with pytest.raises(TVMCException):
        _ = tvmc.composite_target.get_codegen_by_target("invalid")


def test_all_codegens_contain_pass_pipeline():
    for name in tvmc.composite_target.get_codegen_names():
        codegen = tvmc.composite_target.get_codegen_by_target(name)
        assert "pass_pipeline" in codegen, f"{name} does not contain a pass_pipeline"
        assert isfunction(codegen["pass_pipeline"])


def test_all_pass_pipelines_are_functions():
    for name in tvmc.composite_target.get_codegen_names():
        codegen = tvmc.composite_target.get_codegen_by_target(name)
        assert isfunction(codegen["pass_pipeline"]), f"pass_pipeline for {name} is not a function"