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How to use _is_matching_test_class method in avocado

Best Python code snippet using avocado_python

loader.py

Source:loader.py

...420                MissingTest: output.TERM_SUPPORT.fail_header_str,421                BrokenSymlink: output.TERM_SUPPORT.fail_header_str,422                AccessDeniedPath: output.TERM_SUPPORT.fail_header_str}423    @staticmethod424    def _is_matching_test_class(tst, test_class):425        return issubclass(tst, test_class)426    def discover(self, reference, which_tests=DiscoverMode.DEFAULT):427        """428        Discover (possible) tests from a directory.429        Recursively walk in a directory and find tests params.430        The tests are returned in alphabetic order.431        Afterwards when "allowed_test_types" is supplied it verifies if all432        found tests are of the allowed type. If not return None (even on433        partial match).434        :param reference: the directory path to inspect.435        :param which_tests: Limit tests to be displayed436        :type which_tests: :class:`DiscoverMode`437        :return: list of matching tests438        """439        tests = self._discover(reference, which_tests)440        if self.test_type:441            mapping = self.get_type_label_mapping()442            test_class = next(key for key, value in mapping.items()443                              if value == self.test_type)444            for tst in tests:445                if not self._is_matching_test_class(tst[0], test_class):446                    return None447        return tests448    def _discover(self, reference, which_tests=DiscoverMode.DEFAULT):449        """450        Recursively walk in a directory and find tests params.451        The tests are returned in alphabetic order.452        :param reference: the directory path to inspect.453        :param which_tests: Limit tests to be displayed454        :type which_tests: :class:`DiscoverMode`455        :return: list of matching tests456        """457        if reference is None:458            if which_tests == DiscoverMode.DEFAULT:459                return []  # Return empty set when not listing details460            else:461                reference = data_dir.get_test_dir()462        ignore_suffix = ('.data', '.pyc', '.pyo', '__init__.py',463                         '__main__.py')464        # Look for filename:test_method pattern465        reference, subtests_filter = reference_split(reference)466        if subtests_filter is not None:467            subtests_filter = re.compile(subtests_filter)468        if not os.path.isdir(reference):  # Single file469            return self._make_tests(reference, which_tests == DiscoverMode.ALL,470                                    subtests_filter)471        tests = []472        def add_test_from_exception(exception):473            """ If the exc.filename is valid test it's added to tests """474            tests.extend(self._make_tests(exception.filename,475                                          which_tests == DiscoverMode.ALL))476        def skip_non_test(exception):  # pylint: disable=W0613477            """ Always return None """478            return None479        if which_tests == DiscoverMode.ALL:480            onerror = add_test_from_exception481        else:  # DEFAULT, AVAILABLE => skip missing tests482            onerror = skip_non_test483        for dirpath, dirs, filenames in os.walk(reference, onerror=onerror):484            dirs.sort()485            for file_name in sorted(filenames):486                if file_name.startswith('.') or file_name.endswith(ignore_suffix):487                    continue488                pth = os.path.join(dirpath, file_name)489                tests.extend(self._make_tests(pth,490                                              which_tests == DiscoverMode.ALL,491                                              subtests_filter))492        return tests493    def _make_simple_test(self, test_path, subtests_filter):494        return self._make_test(test.SimpleTest, test_path,495                               subtests_filter=subtests_filter,496                               executable=test_path)497    def _make_simple_or_broken_test(self, test_path, subtests_filter, make_broken):498        if os.access(test_path, os.X_OK):499            return self._make_simple_test(test_path, subtests_filter)500        else:501            return make_broken(NotATest, test_path,502                               self.NOT_TEST_STR)503    def _make_existing_file_tests(self, test_path, make_broken,504                                  subtests_filter):505        return self._make_simple_or_broken_test(test_path, subtests_filter, make_broken)506    def _make_nonexisting_file_tests(self, test_path, make_broken,507                                     subtests_filter, test_name):  # pylint: disable=W0613508        return make_broken(NotATest, test_name, "File not found "509                           "('%s'; '%s')" % (test_name, test_path))510    @staticmethod511    def _make_test(klass, uid, description=None, subtests_filter=None,512                   **test_arguments):513        """514        Create test template515        :param klass: test class516        :param uid: test uid (by default used as id and name)517        :param description: Description appended to "uid" (for listing purpose)518        :param subtests_filter: optional filter of methods for avocado tests519        :param test_arguments: arguments to be passed to the klass(test_arguments)520        """521        if subtests_filter and not subtests_filter.search(uid):522            return []523        if description:524            uid = "%s: %s" % (uid, description)525        test_arguments["name"] = uid526        return [(klass, test_arguments)]527    def _make_tests(self, test_path, list_non_tests, subtests_filter=None):528        """529        Create test templates from given path530        :param test_path: File system path531        :param list_non_tests: include bad tests (NotATest, BrokenSymlink,...)532        :param subtests_filter: optional filter of methods for avocado tests533        """534        def ignore_broken(klass, uid, description=None):  # pylint: disable=W0613535            """ Always return empty list """536            return []537        if list_non_tests:  # return broken test with params538            make_broken = self._make_test539        else:  # return empty set instead540            make_broken = ignore_broken541        test_name = test_path542        if os.path.exists(test_path):543            if os.access(test_path, os.R_OK) is False:544                return make_broken(AccessDeniedPath, test_path, "Is not "545                                   "readable")546            return self._make_existing_file_tests(test_path, make_broken,547                                                  subtests_filter)548        else:549            if os.path.islink(test_path):550                try:551                    if not os.path.isfile(os.readlink(test_path)):552                        return make_broken(BrokenSymlink, test_path, "Is a "553                                           "broken symlink")554                except OSError:555                    return make_broken(AccessDeniedPath, test_path, "Is not "556                                       "accessible.")557            return self._make_nonexisting_file_tests(test_path, make_broken,558                                                     subtests_filter,559                                                     test_name)560class FileLoader(SimpleFileLoader):561    """562    Test loader class.563    """564    name = 'file'565    NOT_TEST_STR = ("Not an INSTRUMENTED (avocado.Test based), PyUNITTEST ("566                    "unittest.TestCase based) or SIMPLE (executable) test")567    @staticmethod568    def get_type_label_mapping():569        mapping = SimpleFileLoader.get_type_label_mapping()570        mapping.update(571            {test.SimpleTest: 'SIMPLE',572             test.Test: 'INSTRUMENTED',573             test.PythonUnittest: 'PyUNITTEST'})574        return mapping575    @staticmethod576    def get_decorator_mapping():577        mapping = SimpleFileLoader.get_decorator_mapping()578        mapping.update(579            {test.SimpleTest: output.TERM_SUPPORT.healthy_str,580             test.Test: output.TERM_SUPPORT.healthy_str,581             test.PythonUnittest: output.TERM_SUPPORT.healthy_str})582        return mapping583    @staticmethod584    def _is_matching_test_class(tst, test_class):585        if test_class is test.Test:586            # Instrumented tests are defined as string and loaded at the587            # execution time.588            return isinstance(tst, str)589        else:590            return not isinstance(tst, str) and issubclass(tst, test_class)591    def _find_python_unittests(self, test_path, disabled, subtests_filter):592        result = []593        class_methods = safeloader.find_python_unittests(test_path)594        for klass, methods in class_methods.items():595            if klass in disabled:596                continue597            if test_path.endswith(".py"):598                test_path = test_path[:-3]...

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