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42 lines
1.3 KiB
Python
Executable File
42 lines
1.3 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import pytest
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import shutil
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import subprocess
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import tempfile
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HERE = os.path.abspath(os.path.dirname(__file__))
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ROOT = os.path.join(HERE, "../../")
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# TODO: test more cases
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# - at least one violation in each safety/safety*.h file
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# - come up with a pattern for each rule (cppcheck tests probably have good ones?)
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mutations = [
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(None, None, False),
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# F4 only
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("board/stm32fx/llbxcan.h", "s/1U/1/g", True),
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# H7 only
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("board/stm32h7/llfdcan.h", "s/return ret;/if (true) { return ret; } else { return false; }/g", True),
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# general safety
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("board/safety/safety_toyota.h", "s/is_lkas_msg =.*;/is_lkas_msg = addr == 1 || addr == 2;/g", True),
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]
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@pytest.mark.parametrize("fn, patch, should_fail", mutations)
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def test_misra_mutation(fn, patch, should_fail):
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with tempfile.TemporaryDirectory() as tmp:
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shutil.copytree(ROOT, tmp, dirs_exist_ok=True)
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# apply patch
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if fn is not None:
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r = os.system(f"cd {tmp} && sed -i '{patch}' {fn}")
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assert r == 0
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# run test
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r = subprocess.run("tests/misra/test_misra.sh", cwd=tmp, shell=True,
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stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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failed = r.returncode != 0
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assert failed == should_fail
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if __name__ == "__main__":
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pytest.main([__file__, "-n 4"])
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