cpp-linter-hooks/tests/test_clang_tidy.py at e2f84c910338cdc9ba12e48e04ea50fa3bf1f71e · cpp-linter/cpp-linter-hooks · GitHub

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import pytest
import subprocess
from pathlib import Path

from cpp_linter_hooks.clang_tidy import run_clang_tidy


@pytest.fixture(scope="function")
def generate_compilation_database():
    subprocess.run(["mkdir", "-p", "build"])
    subprocess.run(["cmake", "-Bbuild", "testing/"])
    subprocess.run(["cmake", "-Bbuild", "testing/"])


@pytest.mark.benchmark
@pytest.mark.parametrize(
    ("args", "expected_retval"),
    (
        (['--checks="boost-*"'], 1),
        (['--checks="boost-*"', "--version=16"], 1),
        (['--checks="boost-*"', "--version=17"], 1),
        (['--checks="boost-*"', "--version=18"], 1),
        (['--checks="boost-*"', "--version=19"], 1),
        (['--checks="boost-*"', "--version=20"], 1),
        (['--checks="boost-*"', "--version=21"], 1),
    ),
)
def test_run_clang_tidy_valid(args, expected_retval):
    # copy test file to tmp_path to prevent modifying repo data
    test_file = Path("testing/main.c")
    test_file.write_bytes(Path("testing/main.c").read_bytes())
    ret, output = run_clang_tidy(args + [str(test_file)])
    assert ret == expected_retval
    print(output)


@pytest.mark.benchmark
@pytest.mark.parametrize(
    ("args", "expected_retval"),
    (
        (['--checks="boost-*"'], 1),
        (['--checks="boost-*"', "--version=16"], 1),
        (['--checks="boost-*"', "--version=17"], 1),
        (['--checks="boost-*"', "--version=18"], 1),
        (['--checks="boost-*"', "--version=19"], 1),
        (['--checks="boost-*"', "--version=20"], 1),
        (['--checks="boost-*"', "--version=21"], 1),
    ),
)
def test_run_clang_tidy_invalid(args, expected_retval, tmp_path):
    # non existent file
    test_file = tmp_path / "main.c"

    ret, _ = run_clang_tidy(args + [str(test_file)])
    assert ret == expected_retval