Beispiel #1
0
    def runtestsuite(self, testsuite):
        """
        Runs a single test suite

        :param testsuite: TestSuite
        :return: ResultList
        """
        if testsuite.status == TestStatus.READY:
            results = testsuite.run()
        else:
            results = ResultList()
        # Disable "Expression is assigned to nothing" warning
        # pylint: disable=W0106
        [handler.flush() for handler in self.logger.handlers]
        results.save(heads={'Build': '', 'Branch': self.args.branch})
        sys.stdout.flush()
        self._cleanup_resourceprovider()
        return results
Beispiel #2
0
    def test_run(self, mock_tclist):  # pylint: disable=too-many-statements
        testsuite = TestSuite(args=self.args_tc)
        cont1 = mock.MagicMock()
        pass_result = Result()
        pass_result.set_verdict('pass', 0, 10)
        fail_result = Result()
        fail_result.set_verdict('fail', 1000, 10)
        skipped_result = Result()
        skipped_result.set_verdict('skip', 0, 1)
        resultlist = ResultList()
        resultlist.append(pass_result)
        resultlist.save = mock.MagicMock()
        testsuite._default_configs["retryCount"] = 1
        cont1.run.side_effect = [pass_result,
                                 fail_result,
                                 skipped_result,
                                 KeyboardInterrupt,
                                 fail_result,
                                 pass_result]
        cont_reslist = mock.MagicMock()
        cont_reslist.run = mock.MagicMock()
        cont_reslist.run.return_value = resultlist
        # Passing result
        testsuite._testcases = []
        testsuite._testcases.append(cont1)
        testsuite._results = ResultList()
        testsuite._results.save = mock.MagicMock()
        testsuite.run()
        self.assertEqual(testsuite.status, TestStatus.FINISHED)
        self.assertEqual(len(testsuite._results), 1)
        self.assertEqual(testsuite._results.get(0).get_verdict(), "pass")
        self.assertTrue(self.args_tc.forceflash)  # pylint: disable=no-member
        self.assertEquals(testsuite._results.save.call_count, 1)

        # ResultList as result
        testsuite._testcases = []
        testsuite._testcases.append(cont_reslist)
        testsuite._results = ResultList()
        testsuite._results.save = mock.MagicMock()
        testsuite.run()
        self.assertEqual(testsuite.status, TestStatus.FINISHED)
        self.assertEqual(len(testsuite._results), 1)
        self.assertEqual(testsuite._results.get(0).get_verdict(), "pass")

        # Failing result, no retry
        testsuite._testcases = []
        testsuite._testcases.append(cont1)
        testsuite._results = ResultList()
        testsuite._results.save = mock.MagicMock()
        testsuite.run()
        self.assertEqual(testsuite.status, TestStatus.FINISHED)
        self.assertEqual(len(testsuite._results), 1)
        self.assertEqual(testsuite._results.get(0).get_verdict(), "fail")

        # skipped result
        testsuite._testcases = []
        testsuite._testcases.append(cont1)
        testsuite._results = ResultList()
        testsuite._results.save = mock.MagicMock()
        testsuite.run()
        self.assertEqual(testsuite.status, TestStatus.FINISHED)
        self.assertEqual(len(testsuite._results), 1)
        self.assertEqual(testsuite._results.get(0).get_verdict(), "skip")

        # Interrupt
        cont2 = mock.MagicMock()
        cont2.run = mock.MagicMock()
        testsuite._testcases = []
        testsuite._testcases.append(cont1)
        testsuite._testcases.append(cont2)
        testsuite._results = ResultList()
        testsuite._results.save = mock.MagicMock()
        testsuite.run()
        self.assertEqual(testsuite.status, TestStatus.FINISHED)
        self.assertEqual(len(testsuite._results), 0)
        cont2.run.assert_not_called()

        # Failing result, retried
        testsuite._testcases = []
        testsuite._testcases.append(cont1)
        testsuite._results = ResultList()
        testsuite._results.save = mock.MagicMock()
        testsuite._default_configs["retryReason"] = "includeFailures"
        testsuite.run()
        self.assertEqual(testsuite.status, TestStatus.FINISHED)
        self.assertEqual(len(testsuite._results), 2)
        self.assertEqual(testsuite._results.get(0).get_verdict(), "fail")
        self.assertEqual(testsuite._results.get(1).get_verdict(), "pass")

        # TC not exist result, retried
        testsuite._testcases = []
        contx = mock.MagicMock()
        inconc_res = Result()
        inconc_res.set_verdict("inconclusive", 1015, 0)
        contx.run = mock.MagicMock(return_value=inconc_res)
        testsuite._testcases.append(contx)
        testsuite._results = ResultList()
        testsuite._results.save = mock.MagicMock()
        testsuite._default_configs["retryReason"] = "includeFailures"
        testsuite.run()
        self.assertEqual(testsuite.status, TestStatus.FINISHED)
        self.assertEqual(len(testsuite._results), 1)
        self.assertEqual(testsuite._results.get(0).get_verdict(), "inconclusive")

        # Failing result, retried, from a result list.
        testsuite._testcases = []
        fail_result_2 = Result()
        fail_result_2.set_verdict('fail', 1000, 10)
        reslist = ResultList()
        reslist.append(fail_result_2)
        cont_retry = mock.MagicMock()
        cont_retry.run.side_effect = [reslist, resultlist]
        testsuite._testcases.append(cont_retry)
        testsuite._results = ResultList()
        testsuite._results.save = mock.MagicMock()
        testsuite._default_configs["retryReason"] = "includeFailures"
        testsuite.run()
        self.assertEqual(testsuite.status, TestStatus.FINISHED)
        self.assertEqual(len(testsuite._results), 2)
        self.assertEqual(testsuite._results.get(0).get_verdict(), "fail")
        self.assertEqual(testsuite._results.get(1).get_verdict(), "pass")
        self.assertEqual(testsuite._results.get(0).retries_left, 1)
        self.assertEqual(testsuite._results.get(1).retries_left, 0)

        # Inconclusive result, retried, from a result list.
        testsuite._testcases = []
        fail_result_3 = Result()
        fail_result_3.set_verdict('inconclusive', 1000, 10)
        reslist = ResultList()
        reslist.append(fail_result_3)
        cont_retry = mock.MagicMock()
        cont_retry.run.side_effect = [reslist, resultlist]
        testsuite._testcases.append(cont_retry)
        testsuite._results = ResultList()
        testsuite._results.save = mock.MagicMock()
        testsuite._default_configs["retryReason"] = "includeFailures"
        testsuite.run()
        self.assertEqual(testsuite.status, TestStatus.FINISHED)
        self.assertEqual(len(testsuite._results), 2)
        self.assertEqual(testsuite._results.get(0).get_verdict(), "inconclusive")
        self.assertEqual(testsuite._results.get(1).get_verdict(), "pass")
        self.assertEqual(testsuite._results.get(0).retries_left, 1)
        self.assertEqual(testsuite._results.get(1).retries_left, 0)

        self.args_tc.repeat = 2
        testsuite._testcases = []
        testsuite._testcases.append(cont1)
        testsuite._results = ResultList()
        testsuite._results.save = mock.MagicMock()
        cont1.run.side_effect = [pass_result, pass_result, pass_result, pass_result]
        testsuite.run()
        self.assertEqual(testsuite.status, TestStatus.FINISHED)
        self.assertEqual(len(testsuite._results), 2)
        self.assertEqual(testsuite._results.get(0).get_verdict(), "pass")
        self.assertFalse(self.args_tc.forceflash)  # pylint: disable=no-member

        # Failing result, stop_on_failure
        self.args_tc.stop_on_failure = True
        self.args_tc.repeat = 1
        testsuite._default_configs["retryCount"] = 0
        testsuite._testcases = []
        testsuite._testcases.append(cont1)
        testsuite._results = ResultList()
        testsuite._results.save = mock.MagicMock()
        cont1.run.side_effect = [pass_result]
        cont2 = mock.MagicMock()
        cont2.run = mock.MagicMock()
        cont2.run.side_effect = [fail_result]
        cont3 = mock.MagicMock()
        cont3.run = mock.MagicMock()
        cont3.run.side_effect = [pass_result]
        testsuite._testcases.append(cont2)
        testsuite.run()
        self.assertEqual(testsuite.status, TestStatus.FINISHED)
        self.assertEqual(len(testsuite._results), 2)
        self.assertEqual(testsuite._results.get(0).get_verdict(), "pass")
        self.assertEqual(testsuite._results.get(1).get_verdict(), "fail")
        self.assertEquals(testsuite._results.save.call_count, 2)

        # Skipped result, stop_on_failure
        self.args_tc.stop_on_failure = True
        self.args_tc.repeat = 0
        testsuite._testcases = []
        testsuite._testcases.append(cont1)
        testsuite._results = ResultList()
        testsuite._results.save = mock.MagicMock()
        cont1.run.side_effect = [skipped_result]
        cont2 = mock.MagicMock()
        cont2.run = mock.MagicMock()
        cont2.run.side_effect = [pass_result]
        testsuite._testcases.append(cont2)
        testsuite.run()
        self.assertEqual(testsuite.status, TestStatus.FINISHED)
        self.assertEqual(len(testsuite._results), 2)
        self.assertEqual(testsuite._results.get(0).get_verdict(), "skip")
        self.assertEqual(testsuite._results.get(1).get_verdict(), "pass")
        self.assertEquals(testsuite._results.save.call_count, 2)
Beispiel #3
0
class TestSuite(object):
    """
    Test suite container object.
    """
    def __init__(self, logger=None, cloud_module=None, args=None):
        self.logger = logger
        if logger is None:
            import logging
            self.logger = logging.getLogger("TestSuite")
            if not self.logger.handlers:
                self.logger.addHandler(logging.StreamHandler())
                self.logger.setLevel(logging.INFO)
        self.args = args
        self.cloud_module = cloud_module
        self._testcases = []
        self._default_configs = {}
        self.status = TestStatus.PENDING
        self._results = ResultList()
        self._create_tc_list()

    def __len__(self):
        return len(self._testcases)

    def get_testcases(self):
        """
        Return internal list of TestcaseContainers
        """
        return self._testcases

    def get_tcnames(self):
        """
        Return list of names of all test cases in this Suite.

        :return: list
        """
        return [tc.get_name() for tc in self._testcases]

    def run(self):
        """
        Test runner
        """
        self.status = TestStatus.RUNNING
        self.logger.info("Starting suite.")
        i = 0
        repeats = int(self.args.repeat) if self.args.repeat and int(self.args.repeat) >= 2 else 1
        repeat = 1
        self.logger.debug("Test suite repeats: %i", repeats)
        while repeat <= repeats:

            self.logger.info("Starting repeat %i of %i", repeat, repeats)
            repeat += 1
            for test in self._testcases:
                self.logger.debug("Starting next test case: %s", test.get_name())
                iterations = self.get_default_configs().get('iteration', 1)
                if iterations == 0:
                    continue
                iteration = 0
                while iteration < iterations:
                    self.logger.info("Iteration %i of %i", iteration + 1, iterations)
                    retries = self.get_default_configs().get("retryCount", 0)
                    self.logger.debug("Test case retries: %i", retries)
                    retryreason = self.get_default_configs().get("retryReason", "inconclusive")
                    iteration += 1
                    if self.args.forceflash_once:
                        self.args.forceflash = i == 0
                        self.logger.debug("Forceflash_once set: Forceflash is %s",
                                          self.args.forceflash)
                        i += 1
                    try:
                        result, retries, repeat, iteration = self._run_testcase(test,
                                                                                retries,
                                                                                repeat,
                                                                                repeats,
                                                                                iteration,
                                                                                iterations,
                                                                                retryreason)
                    except KeyboardInterrupt:
                        self.logger.error("Test run aborted.")
                        self.status = TestStatus.FINISHED
                        return self._results
                    self._upload_results(result)
                if result and result.get_verdict() not in ['pass',
                                                           'skip'] and self.args.stop_on_failure:
                    break
        self.status = TestStatus.FINISHED
        i += 1
        return self._results

    def _run_testcase(self, test, retries, repeat, repeats, iteration, iterations, retryreason):
        """
        Internal runner for handling a single test case run in the suite.
        Repeats and iterations are handled outside this function.

        :param test: TestcaseContainer to be run
        :param retries: Amount of retries desired
        :param repeat: Current repeat index
        :param repeats: Total amount of repeats
        :param iteration: Current iteration index
        :param iterations: Total number of iterations
        :param retryreason: suite related parameter for which test verdicts to retry.
        :return: (Result, retries(int), repeat(int), iteration(int))
        """
        result = None
        while True:
            try:
                self.logger.debug("Starting test case run.")
                result = test.run(forceflash=self.args.forceflash)
                result.retries_left = retries
                if isinstance(result, ResultList):
                    for result_item in result:
                        if not result_item.success:
                            if retryreason == "includeFailures" or (retryreason == "inconclusive"
                                                                    and result.inconclusive):
                                result_item.retries_left = retries
            except KeyboardInterrupt:
                self.logger.info("User aborted test run")
                iteration = iterations
                repeat = repeats + 1
                raise
            if result is not None:

                # Test had required attributes and ran succesfully or was skipped.
                # Note that a fail *during* a testcase run will still be reported.
                if not isinstance(result, ResultList):
                    result.build_result_metadata(args=self.args)
                self._results.append(result)
                if isinstance(result, ResultList):
                    result = self._results.get(len(self._results) - 1)
                if self.args.stop_on_failure and result.get_verdict() not in ['pass', 'skip']:
                    # Stopping run on failure,
                    self.logger.info("Test case %s failed or was inconclusive, "
                                     "stopping run.\n", test.get_name())
                    repeat = repeats + 1
                    iteration = iterations + 1
                    break
                if result.get_verdict() == 'pass':
                    self.logger.info("Test case %s passed.\n", test.get_name())
                    result.retries_left = 0
                    break
                if result.get_verdict() == 'skip':
                    iteration = iterations
                    result.retries_left = 0
                    self.logger.info("Test case %s skipped.\n", test.get_name())
                    break
                elif retries > 0:
                    if retryreason == "includeFailures" or (retryreason == "inconclusive"
                                                            and result.inconclusive):
                        if not isinstance(result, ResultList):
                            if result.retcode == ReturnCodes.RETCODE_FAIL_TC_NOT_FOUND:
                                result.retries_left = 0
                                break

                        self.logger.error("Testcase %s failed, %d "
                                          "retries left.\n", test.get_name(), retries)
                        retries -= 1
                        self._upload_results(result)
                        continue
                    else:
                        result.retries_left = 0
                        break
                else:
                    self.logger.error("Test case %s failed, No retries left.\n",
                                      test.get_name())
                    break
        if self._results:
            # Generate or update reports.
            self._results.save(heads={'Build': '', 'Branch': self.args.branch}, console=False)
        return result, retries, repeat, iteration

    def _upload_results(self, result):
        """
        Upload result to cloud.

        :param result: Result object
        :return: Nothing
        """
        if self.cloud_module:
            self.logger.debug("Uploading results to DB.")
            if isinstance(result, Result):
                self._upload_result(result)
            elif isinstance(result, ResultList):
                for result_item in result:
                    self._upload_result(result_item)

    def _upload_result(self, result_object):
        """
        Upload a single result to the cloud.

        :param result_object: Result
        :return: Nothing
        """
        if not result_object.uploaded:
            response_data = self.cloud_module.send_result(result_object)
            if response_data:
                data = response_data
                self.logger.info("Results sent to the server. ID: %s", data.get('_id'))
                result_object.uploaded = True

    def get_default_configs(self):
        """
        Get suite default configs
        """
        return self._default_configs

    def get_results(self):
        """
        Return results
        """
        return self._results

    def list_testcases(self):
        """
        List all test cases in this Suite in a neat table.

        :return: PrettyTable
        """
        testcases = []
        try:
            if self.args.json:
                self._create_json_objects(testcases)
                if self.args.export:
                    self._create_suite_file(testcases, self.args.export)
                return json.dumps(testcases)
            else:
                self._create_rows_for_table(testcases)
                from prettytable import PrettyTable
                table = PrettyTable(
                    ["Index", "Name", "Status", "Type", "Subtype", "Group", "Component",
                     "Feature", "Allowed platforms"])
                table.align["Index"] = "l"
                for row in testcases:
                    table.add_row(row)
                return table
        except TypeError:
            self.logger.error("Error, print_list_testcases: error during iteration.")
            return None

    def _create_suite_file(self, testcases, suite_name):  # pylint: disable=no-self-use
        """
        Create a suite file at suite_name.

        :param testcases: Test case list.
        :param suite_name: File path
        :return: Nothing
        """
        base_json = dict()
        base_json["default"] = {}
        base_json["testcases"] = []
        for testcase in testcases:
            base_json["testcases"].append({"name": testcase["name"]})
        with open(suite_name, "w") as filehandle:
            filehandle.write(json.dumps(base_json))

    def _create_json_objects(self, testcases):
        """
        Create test case config json object list.

        :param testcases: Test case list.
        :return: list
        """
        for testcase in self._testcases:
            info = testcase.get_instance_config()
            testcases.append(info)
        return testcases

    def _create_rows_for_table(self, rows):
        """
        Internal helper for creating rows for test case display table.
        :param rows: list
        :return: Nothing
        """
        index = 0
        for testcase in self._testcases:
            info = testcase.get_infodict()
            try:
                index += 1
                grp = info.get('group')
                if grp:
                    group = os.sep.join(info.get('group').split(os.sep)[1:])
                    if not group:
                        group = "no group"
                else:
                    group = "no group"
                rows.append([index, info.get('name'), info.get('status'),
                             info.get('type'), info.get('subtype'),
                             group, info.get('comp'), info.get('feature'),
                             info.get("allowed_platforms")])
            except KeyError:
                self.logger.error("Error, printListTestcases: Testcase list item with "
                                  "index %d missing attributes.", index)

    def update_testcases(self):
        """
        Update test cases of this Suite from cloud.

        :return: Nothing
        """
        if not self.cloud_module:
            self.logger.error("Cloud module has not been initialized! "
                              "Skipping testcase update.")
            return False
        for testcase in self._testcases:
            try:
                tc_instance = testcase.get_instance()
                self.cloud_module.update_testcase(tc_instance.config)
            except Exception as err:  # pylint: disable=broad-except
                self.logger.error(err)
                self.logger.debug("Invalid TC: %s", testcase.tcname)
        return True

    @staticmethod
    def get_suite_files(path):
        """
        Static method for finding all suite files in path.

        :param path: Search path
        :return: List of json files.
        """
        return_list = []
        if not isinstance(path, str):
            return return_list
        if not os.path.exists(path):
            return return_list
        for _, _, files in os.walk(path):
            for fil in sorted(files):
                _, extension = os.path.splitext(fil)
                if extension != '.json':
                    continue
                return_list.append(fil)
        return return_list

    def _create_tc_list(self):
        """
        Parses testcase metadata from suite file or from testcase list in args.
        Sets TestSuite status to 'parsed' to indicate that it has not yet been prepared.

        :raises: SuiteException
        """
        suite = None
        if self.args.suite:
            if os.path.exists(os.path.abspath(self.args.suite)):
                # If suite can be found using just the suite argument, we use that.
                suitedir, filename = os.path.split(os.path.abspath(self.args.suite))
            elif os.path.exists(self.args.suitedir):
                suitedir = self.args.suitedir
                # We presume that this is just the filename, or a path relative to the suitedir.
                filename = self.args.suite
            else:
                raise SuiteException("Suite creation from file failed. Unable to determine suite "
                                     "directory. Check --suitedir and --suite.")
            suite = self._load_suite_file(filename, suitedir)
            if not suite:
                raise SuiteException("Suite creation from file failed. "
                                     "Check your suite file format, path and access rights.")
            self._default_configs = suite.get("default", {})
            tcnames = []
            for i, testcase in enumerate(suite.get("testcases")):
                tcnames.append(str(testcase.get("name")))
            testcases = self._get_suite_tcs(self.args.tcdir, tcnames)
            if not testcases:
                raise SuiteException("Suite creation failed: Unable to find or filter testcases.")
            self._testcases = testcases
            self._print_search_errors()
            if len(testcases) != len(suite.get("testcases")):
                raise SuiteException("Suite creation from file failed: "
                                     "Number of requested testcases does not match "
                                     "amount of found testcases.")

            for i, testcase in enumerate(suite.get("testcases")):
                suiteconfig = testcase.get("config")
                self._testcases.get(i).set_suiteconfig(suiteconfig)
        else:
            tclist = self._load_suite_list()
            if tclist is False:
                raise SuiteException("Suite creation failed.")
            self._testcases = tclist
            if self.args.tc and self.args.tc != "all":
                self._print_search_errors()
            elif self._testcases.search_errors:
                self.logger.error("Failed import the following modules during test case search:")
                for item in self._testcases.search_errors:
                    self.logger.error("%s: %s", item["module"], item["error"])
        self.logger.info("Suite creation complete.")
        self._prepare_suite()

    def _print_search_errors(self):
        """
        Logs errors that were collected during test case search.

        :return: Nothing
        """
        for testcase in self._testcases:
            if isinstance(testcase, DummyContainer):
                self.logger.error("Some test cases were not found.")
                for item in self._testcases.search_errors:
                    self.logger.error("%s: %s", item["module"], item["error"])

    def _prepare_suite(self):
        """
        Prepares parsed testcases for running.

        :raises: SyntaxError, SuiteException
        """
        for i, testcase in enumerate(self._testcases):
            try:
                self._prepare_testcase(testcase)
            except (TypeError, ImportError, ValueError) as err:
                raise SuiteException("Test case preparation failed for "
                                     "test case {}: {}".format(i, err))
            except SyntaxError:
                if self.args.list:
                    pass
                else:
                    raise
            testcase.status = TestStatus.READY
        self.logger.info("Test cases prepared.")
        self.status = TestStatus.READY

    def _get_suite_tcs(self, tcdir, testcases):
        """
        Generate a TestcaseList from a Suite.

        :param tcdir: Test case directory
        :param testcases: Names of testcases.
        :return: TestcaseList or None
        """
        if not os.path.isdir(tcdir):
            self.logger.error("Test case directory does not exist!")
            return None
        self.logger.info("Importing testcases for filtering")
        abs_tcpath = os.path.abspath(tcdir)
        sys.path.append(abs_tcpath)
        tclist = TestcaseList(logger=self.logger)
        tclist.import_from_path(abs_tcpath)
        if not tclist:
            self.logger.error("Error, runSuite: "
                              "Could not find any python files in given testcase dirpath")
            return None
        try:
            filt = TestcaseFilter().tc(testcases)
        except (TypeError, IndexError):
            self.logger.error("Error: Failed to create testcase filter for suite.")
            return None
        self.logger.info("Filtering testcases")
        if testcases == "all":
            testcases = None
        try:
            final_tclist = tclist.filter(filt, testcases)
        except FilterException as error:
            raise SuiteException(error)
        if not final_tclist:
            self.logger.error("Error, create_suite: "
                              "Specified testcases not found in %s.", abs_tcpath)
            return None
        return final_tclist

    def _prepare_testcase(self, testcase):
        """
        Run some preparatory commands on a test case to prep it for running.

        :param testcase: TestcaseContainer
        :return: Nothing
        """
        testcase.validate_tc_instance()
        testcase.merge_tc_config(self._default_configs)
        if testcase.get_suiteconfig():
            testcase.merge_tc_config(testcase.get_suiteconfig())
        testcase.set_final_config()
        testcase.validate_tc_instance()

    def _load_suite_file(self, name, suitedir):
        """
        Load a suite file from json to dict.

        :param name: Name of suite
        :param suitedir: Path to suite
        :return: Dictionary or None
        """
        self.logger.info("Loading suite from file")
        if not isinstance(name, str):
            self.logger.error("Error, load_suite: Suite name not a string")
            return None
        filename = name if name.split('.')[-1] == 'json' else name + '.json'
        filepath = os.path.join(suitedir, filename)

        suite = None
        if not os.path.exists(filepath):
            if self.cloud_module:
                suite = self.cloud_module.get_suite(name)
            else:
                self.logger.error("Error, load_suite_file: "
                                  "Suite file not found and cloud module not defined.")
                return None
            if not suite:
                self.logger.error("Error, load_suite_file: "
                                  "Suite file not found locally or in cloud.")
            return suite
        try:
            with open(filepath) as fil:
                suite = json.load(fil, object_pairs_hook=find_duplicate_keys)
                return suite
        except IOError:
            self.logger.error("Error, load_suite_file: "
                              "Test suite %s cannot be read.", name)
        except ValueError as error:
            self.logger.error("Error, load_suite_file: "
                              "Could not load test suite. %s.", error)
        return None

    def _load_suite_list(self):
        """
        Generate a TestcaseList from command line filters.

        :return: TestcaseList or False
        """
        self.logger.info("Generating suite from command line.")
        args = self.args
        filt = TestcaseFilter()
        testcase = args.tc if args.tc else "all"
        try:
            filt = TestcaseFilter().tc(testcase)
            filt.status(args.status).group(args.group).testtype(args.testtype)
            filt.subtype(args.subtype).component(args.component).feature(args.feature)
            filt.platform(args.platform_filter)
        except (TypeError, IndexError):
            self.logger.exception("Filter creation failed.")
            return False

        self.logger.info("Importing testcases for filtering")
        if not os.path.isdir(args.tcdir):
            self.logger.error("Test case directory does not exist!")
            return False
        abs_tcpath = os.path.abspath(args.tcdir)
        sys.path.append(abs_tcpath)
        tclist = TestcaseList(self.logger)
        tclist.import_from_path(abs_tcpath)
        if not tclist:
            self.logger.error("Could not find any python files in given path")
            return False
        self.logger.info("Filtering testcases")
        if filt.get_filter()["list"] is not False:
            if isinstance(filt.get_filter()["list"], list):
                testcases = filt.get_filter()["list"]
            else:
                testcases = None
        else:
            testcases = None
        try:
            final_tclist = tclist.filter(filt, testcases)
        except FilterException as error:
            raise SuiteException(error)
        if not final_tclist:
            self.logger.error("Error, create_suite: "
                              "Specified testcases not found in %s.", abs_tcpath)
        return final_tclist