You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.3 KiB
77 lines
2.3 KiB
#!/usr/bin/env python3
|
|
import os
|
|
import glob
|
|
import pytest
|
|
import shutil
|
|
import subprocess
|
|
import tempfile
|
|
import random
|
|
|
|
HERE = os.path.abspath(os.path.dirname(__file__))
|
|
ROOT = os.path.join(HERE, "../../")
|
|
|
|
IGNORED_PATHS = (
|
|
'board/obj',
|
|
'board/jungle',
|
|
'board/stm32h7/inc',
|
|
'board/fake_stm.h',
|
|
|
|
# bootstub only files
|
|
'board/flasher.h',
|
|
'board/bootstub.c',
|
|
'board/bootstub_declarations.h',
|
|
'board/stm32h7/llflash.h',
|
|
)
|
|
|
|
mutations = [
|
|
(None, None, False), # no mods, should pass
|
|
("board/stm32h7/llfdcan.h", "s/return ret;/if (true) { return ret; } else { return false; }/g", True),
|
|
]
|
|
|
|
patterns = [
|
|
# misra-c2012-13.3
|
|
"$a void test(int tmp) { int tmp2 = tmp++ + 2; if (tmp2) {;}}",
|
|
# misra-c2012-13.4
|
|
"$a int test(int x, int y) { return (x=2) && (y=2); }",
|
|
# misra-c2012-13.5
|
|
"$a void test(int tmp) { if (true && tmp++) {;} }",
|
|
# misra-c2012-13.6
|
|
"$a void test(int tmp) { if (sizeof(tmp++)) {;} }",
|
|
# misra-c2012-14.1
|
|
"$a void test(float len) { for (float j = 0; j < len; j++) {;} }",
|
|
# misra-c2012-14.4
|
|
"$a void test(int len) { if (len - 8) {;} }",
|
|
# misra-c2012-16.4
|
|
r"$a void test(int temp) {switch (temp) { case 1: ; }}\n",
|
|
# misra-c2012-17.8
|
|
"$a void test(int cnt) { for (cnt=0;;cnt++) {;} }",
|
|
# misra-c2012-20.4
|
|
r"$a #define auto 1\n",
|
|
# misra-c2012-20.5
|
|
r"$a #define TEST 1\n#undef TEST\n",
|
|
]
|
|
|
|
all_files = glob.glob('board/**', root_dir=ROOT, recursive=True)
|
|
files = [f for f in all_files if f.endswith(('.c', '.h')) and not f.startswith(IGNORED_PATHS)]
|
|
assert len(files) > 50, all(d in files for d in ('board/main.c', 'board/stm32h7/llfdcan.h'))
|
|
|
|
for p in patterns:
|
|
mutations.append((random.choice(files), p, True))
|
|
|
|
# TODO: remove sampling once test_misra.sh is faster
|
|
mutations = random.sample(mutations, 2)
|
|
|
|
@pytest.mark.parametrize("fn, patch, should_fail", mutations)
|
|
def test_misra_mutation(fn, patch, should_fail):
|
|
with tempfile.TemporaryDirectory() as tmp:
|
|
shutil.copytree(ROOT, tmp + "/panda", dirs_exist_ok=True)
|
|
|
|
# apply patch
|
|
if fn is not None:
|
|
r = os.system(f"cd {tmp}/panda && sed -i '{patch}' {fn}")
|
|
assert r == 0
|
|
|
|
# run test
|
|
r = subprocess.run("SKIP_TABLES_DIFF=1 panda/tests/misra/test_misra.sh", cwd=tmp, shell=True)
|
|
failed = r.returncode != 0
|
|
assert failed == should_fail
|
|
|