Function __test_active_checkers

test/cli/other_test.py:4275–4317

(tmp_path, active_cnt, total_cnt, use_misra=False, use_unusedfunction_only=False, checkers_exp=None)

def __test_active_checkers(tmp_path, active_cnt, total_cnt, use_misra=False, use_unusedfunction_only=False, checkers_exp=None):
    test_file = tmp_path / 'test.c'
    with open(test_file, 'w') as f:
        f.write('int i;')

    build_dir = None
    if checkers_exp is not None:
        build_dir = tmp_path / 'b1'
        os.makedirs(build_dir)

    args = [
        '-q',
        '--enable=information',
        '-j1',
        str(test_file)
    ]

    if use_misra:
        args += ['--addon=misra']
    if build_dir:
        args += ['--cppcheck-build-dir={}'.format(build_dir)]
    else:
        args += ['--no-cppcheck-build-dir']

    env = {}
    if use_unusedfunction_only:
        env = {'UNUSEDFUNCTION_ONLY': '1'}
        args += ['--enable=unusedFunction']
    exitcode, stdout, stderr, _ = cppcheck_ex(args, remove_checkers_report=False, env=env)
    assert exitcode == 0, stdout
    assert stdout.splitlines() == []
    assert stderr.splitlines() == [
        f'nofile:0:0: information: Active checkers: {active_cnt}/{total_cnt} (use --checkers-report=<filename> to see details) [checkersReport]',
        ''  # TODO: get rid of extra newline
    ]

    if build_dir:
        checkers_file = build_dir / 'checkers.txt'
        with open(checkers_file, 'r') as f:
            checkers = f.read().splitlines()

        assert checkers == checkers_exp
        assert len(checkers) == active_cnt


def test_active_unusedfunction_only(tmp_path):