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How to use _add_case_metadata method in lisa

Best Python code snippet using lisa_python
testsuite.py
Source:testsuite.py
...369        self.name = func.__name__370        self.full_name = func.__qualname__371        self.qualname = func.__qualname__372        self._func = func373        _add_case_metadata(self)374        @wraps(self._func)375        def wrapper(*args: Any, **kwargs: Any) -> None:376            parameters: Dict[str, Any] = {}377            for name in kwargs.keys():378                if name in func.__annotations__:379                    parameters[name] = kwargs[name]380            func(*args, **parameters)381        return wrapper382    @property383    def owner(self) -> str:384        if self._owner:385            return self._owner386        return self.suite.owner387class TestCaseRuntimeData:388    def __init__(self, metadata: TestCaseMetadata):389        self.metadata = metadata390        # all runtime setting fields391        self.select_action: str = ""392        self.times: int = 1393        self.retry: int = 0394        self.use_new_environment: bool = metadata.use_new_environment395        self.ignore_failure: bool = False396        self.environment_name: str = ""397    def __getattr__(self, key: str) -> Any:398        # return attributes of metadata for convenient399        assert self.metadata400        return getattr(self.metadata, key)401    def __repr__(self) -> str:402        return (403            f"name: {self.metadata.name}, "404            f"action: {self.select_action}, "405            f"times: {self.times}, retry: {self.retry}, "406            f"new_env: {self.use_new_environment}, "407            f"ignore_failure: {self.ignore_failure}, "408            f"env_name: {self.environment_name}"409        )410    def clone(self) -> TestCaseRuntimeData:411        cloned = TestCaseRuntimeData(self.metadata)412        fields = [413            constants.TESTCASE_SELECT_ACTION,414            constants.TESTCASE_TIMES,415            constants.TESTCASE_RETRY,416            constants.TESTCASE_USE_NEW_ENVIRONMENT,417            constants.TESTCASE_IGNORE_FAILURE,418            constants.ENVIRONMENT,419        ]420        set_filtered_fields(self, cloned, fields)421        return cloned422class TestSuite:423    def __init__(424        self,425        metadata: TestSuiteMetadata,426    ) -> None:427        super().__init__()428        self._metadata = metadata429        self._should_stop = False430        self.__log = get_logger("suite", metadata.name)431    def before_suite(self, log: Logger, **kwargs: Any) -> None:432        ...433    def after_suite(self, log: Logger, **kwargs: Any) -> None:434        ...435    def before_case(self, log: Logger, **kwargs: Any) -> None:436        ...437    def after_case(self, log: Logger, **kwargs: Any) -> None:438        ...439    def start(440        self,441        environment: Environment,442        # test cases to run, must be a test method in this class.443        case_results: List[TestResult],444        # case accessible variables445        case_variables: Dict[str, Any],446    ) -> None:447        suite_error_message = ""448        # set the environment is not new, when it's used by any suite.449        environment.is_new = False450        test_kwargs = {451            "environment": environment,452            "log": self.__log,453            "node": environment.default_node,454            # copy to prevent the data is changed and effect other cases.455            "variables": copy.copy(case_variables),456        }457        #  replace to case's logger temporarily458        suite_log = self.__log459        (460            is_suite_continue,461            suite_error_message,462            suite_error_stacktrace,463        ) = self.__suite_method(464            self.before_suite, test_kwargs=test_kwargs, log=suite_log465        )466        for case_result in case_results:467            case_name = case_result.runtime_data.name468            case_result.environment = environment469            case_log = get_logger("case", case_name, parent=self.__log)470            case_log_path = self.__create_case_log_path(case_name)471            case_part_path = self.__get_test_part_path(case_log_path)472            case_working_path = self.__get_case_working_path(case_part_path)473            case_unique_name = case_log_path.name474            case_log_file = case_log_path / f"{case_log_path.name}.log"475            case_log_handler = create_file_handler(case_log_file, case_log)476            add_handler(case_log_handler, environment.log)477            case_kwargs = test_kwargs.copy()478            case_kwargs.update({"case_name": case_unique_name})479            case_kwargs.update({"log": case_log})480            case_kwargs.update({"log_path": case_log_path})481            case_kwargs.update({"working_path": case_working_path})482            case_kwargs.update({"part_path": case_part_path})483            case_kwargs.update({"result": case_result})484            case_log.info(485                f"test case '{case_result.runtime_data.full_name}' is running"486            )487            is_continue: bool = is_suite_continue488            total_timer = create_timer()489            case_result.log_file = case_log_file.relative_to(490                constants.RUN_LOCAL_LOG_PATH491            ).as_posix()492            case_result.set_status(TestStatus.RUNNING, "")493            case_timeout = case_result.runtime_data.metadata.timeout494            if is_continue:495                is_continue = self.__before_case(496                    case_result=case_result,497                    timeout=case_timeout,498                    test_kwargs=case_kwargs,499                    log=case_log,500                )501            else:502                case_result.stacktrace = suite_error_stacktrace503                case_result.set_status(TestStatus.SKIPPED, suite_error_message)504            if is_continue:505                self.__run_case(506                    case_result=case_result,507                    timeout=case_timeout,508                    test_kwargs=case_kwargs,509                    log=case_log,510                )511            self.__after_case(512                case_result=case_result,513                timeout=case_timeout,514                test_kwargs=case_kwargs,515                log=case_log,516            )517            case_log.info(518                f"result: {case_result.status.name}, " f"elapsed: {total_timer}"519            )520            remove_handler(case_log_handler, case_log)521            remove_handler(case_log_handler, environment.log)522            if case_log_handler:523                case_log_handler.close()524            if self._should_stop:525                suite_log.info("received stop message, stop run")526                break527        self.__suite_method(self.after_suite, test_kwargs=test_kwargs, log=suite_log)528    def stop(self) -> None:529        self._should_stop = True530    def __create_case_log_path(self, case_name: str) -> Path:531        while True:532            path = (533                constants.RUN_LOCAL_LOG_PATH534                / "tests"535                / f"{get_datetime_path()}-{case_name}"536            )537            if not path.exists():538                break539            sleep(0.1)540        # avoid to create folder for UT541        if not is_unittest():542            path.mkdir(parents=True)543        return path544    def __get_test_part_path(self, log_path: Path) -> Path:545        if is_unittest():546            return Path()547        return Path(log_path.parts[-2]) / log_path.parts[-1]548    def __get_case_working_path(self, test_part_path: Path) -> Path:549        if is_unittest():550            return Path()551        # The working path should be the same name as log_path, so it's easy to552        # associated. Unlike the log path, the working path won't be created, because553        # it's not used in most cases. So it doesn't need to be created too. The554        # test case should create it, when it's used.555        working_path = constants.RUN_LOCAL_WORKING_PATH / test_part_path556        return working_path557    def __suite_method(558        self, method: Callable[..., Any], test_kwargs: Dict[str, Any], log: Logger559    ) -> Tuple[bool, str, Optional[str]]:560        result: bool = True561        message: str = ""562        timer = create_timer()563        method_name = method.__name__564        stacktrace: Optional[str] = None565        try:566            self.__call_with_retry_and_timeout(567                method,568                retries=0,569                timeout=3600,570                log=log,571                test_kwargs=test_kwargs,572            )573        except Exception as identifier:574            result = False575            message = f"{method_name}: {identifier}"576            stacktrace = traceback.format_exc()577        log.debug(f"{method_name} end in {timer}")578        return result, message, stacktrace579    def __before_case(580        self,581        case_result: TestResult,582        timeout: int,583        test_kwargs: Dict[str, Any],584        log: Logger,585    ) -> bool:586        result: bool = True587        timer = create_timer()588        try:589            self.__call_with_retry_and_timeout(590                self.before_case,591                retries=case_result.runtime_data.retry,592                timeout=timeout,593                log=log,594                test_kwargs=test_kwargs,595            )596        except Exception as identifier:597            log.error("before_case: ", exc_info=identifier)598            case_result.stacktrace = traceback.format_exc()599            case_result.set_status(TestStatus.SKIPPED, f"before_case: {identifier}")600            result = False601        log.debug(f"before_case end in {timer}")602        return result603    def __after_case(604        self,605        case_result: TestResult,606        timeout: int,607        test_kwargs: Dict[str, Any],608        log: Logger,609    ) -> None:610        timer = create_timer()611        try:612            self.__call_with_retry_and_timeout(613                self.after_case,614                retries=case_result.runtime_data.retry,615                timeout=timeout,616                log=log,617                test_kwargs=test_kwargs,618            )619        except Exception as identifier:620            # after case doesn't impact test case result.621            log.error("after_case failed", exc_info=identifier)622        log.debug(f"after_case end in {timer}")623    def __run_case(624        self,625        case_result: TestResult,626        timeout: int,627        test_kwargs: Dict[str, Any],628        log: Logger,629    ) -> None:630        timer = create_timer()631        case_name = case_result.runtime_data.name632        test_method = getattr(self, case_name)633        try:634            self.__call_with_retry_and_timeout(635                test_method,636                retries=case_result.runtime_data.retry,637                timeout=timeout,638                log=log,639                test_kwargs=test_kwargs,640            )641            case_result.set_status(TestStatus.PASSED, "")642        except Exception as identifier:643            case_result.handle_exception(exception=identifier, log=log)644        log.debug(f"case end in {timer}")645    def __call_with_retry_and_timeout(646        self,647        method: Callable[..., Any],648        retries: int,649        timeout: int,650        log: Logger,651        test_kwargs: Dict[str, Any],652    ) -> None:653        try:654            retry_call(655                func_timeout,656                fkwargs={657                    "timeout": timeout,658                    "func": method,659                    "kwargs": test_kwargs,660                },661                exceptions=Exception,662                tries=retries + 1,663                logger=log,664            )665        except FunctionTimedOut:666            # FunctionTimedOut is a special exception. If it's not captured667            # explicitly, it will make the whole program exit.668            raise TimeoutError(f"time out in {timeout} seconds.")669def get_suites_metadata() -> Dict[str, TestSuiteMetadata]:670    return _all_suites671def get_cases_metadata() -> Dict[str, TestCaseMetadata]:672    return _all_cases673def _add_suite_metadata(metadata: TestSuiteMetadata) -> None:674    key = metadata.test_class.__name__675    exist_metadata = _all_suites.get(key)676    if exist_metadata is None:677        _all_suites[key] = metadata678    else:679        raise LisaException(680            f"duplicate test class name: {key}, "681            f"new: [{metadata}], exists: [{exist_metadata}]"682        )683    class_prefix = f"{key}."684    for test_case in _all_cases.values():685        if test_case.full_name.startswith(class_prefix):686            _add_case_to_suite(metadata, test_case)687    log = get_logger("init", "test")688    log.info(689        f"registered test suite '{key}' "690        f"with test cases: '{', '.join([case.name for case in metadata.cases])}'"691    )692def _add_case_metadata(metadata: TestCaseMetadata) -> None:693    qualname = metadata.qualname694    if _all_cases.get(qualname) is None:695        _all_cases[qualname] = metadata696    else:697        raise LisaException(698            f"found duplicate test class name: {qualname}. "699            "Check there is no duplicate test class name, "700            "and not import by extension twice."701        )702    # this should be None in current observation.703    # the methods are loaded prior to test class704    # in case logic is changed, so keep this logic705    #   to make two collection consistent.706    class_name = qualname.split(".")[0]...
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