How to use generate_worker_partitions method in stestr

Best Python code snippet using stestr_python

test_processor.py

Source:test_processor.py

...222            run_proc.stdin.close()223            return [run_proc]224        # If there is a worker path, use that to get worker groups225        elif self.worker_path:226            test_id_groups = scheduler.generate_worker_partitions(227                test_ids, self.worker_path, self.repository,228                self._group_callback, self.randomize)229        # If we have multiple workers partition the tests and recursively230        # create single worker TestProcessorFixtures for each worker231        else:232            test_id_groups = scheduler.partition_tests(test_ids,233                                                       self.concurrency,234                                                       self.repository,235                                                       self._group_callback)236        for test_ids in test_id_groups:237            if not test_ids:238                # No tests in this partition239                continue240            fixture = self.useFixture(...

test_scheduler.py

Source:test_scheduler.py

...104            self.assertTrue('TestCase4.test' in partitions[1])105        if 'testdir.testfile.TestCase5.test' not in partitions[0]:106            self.assertTrue('testdir.testfile.TestCase5.test' in partitions[1])107    @mock.patch('builtins.open', mock.mock_open(), create=True)108    def test_generate_worker_partitions(self):109        test_ids = ['test_a', 'test_b', 'your_test']110        fake_worker_yaml = [111            {'worker': ['test_']},112            {'worker': ['test']},113        ]114        with mock.patch('yaml.safe_load', return_value=fake_worker_yaml):115            groups = scheduler.generate_worker_partitions(test_ids, 'fakepath')116        expected_grouping = [117            ['test_a', 'test_b'],118            ['test_a', 'test_b', 'your_test'],119        ]120        self.assertEqual(expected_grouping, groups)121    @mock.patch('builtins.open', mock.mock_open(), create=True)122    def test_generate_worker_partitions_group_without_list(self):123        test_ids = ['test_a', 'test_b', 'your_test']124        fake_worker_yaml = [125            {'worker': ['test_']},126            {'worker': 'test'},127        ]128        with mock.patch('yaml.safe_load', return_value=fake_worker_yaml):129            self.assertRaises(TypeError, scheduler.generate_worker_partitions,130                              test_ids, 'fakepath')131    @mock.patch('builtins.open', mock.mock_open(), create=True)132    def test_generate_worker_partitions_no_worker_tag(self):133        test_ids = ['test_a', 'test_b', 'your_test']134        fake_worker_yaml = [135            {'worker-foo': ['test_']},136            {'worker': ['test']},137        ]138        with mock.patch('yaml.safe_load', return_value=fake_worker_yaml):139            self.assertRaises(TypeError, scheduler.generate_worker_partitions,140                              test_ids, 'fakepath')141    @mock.patch('builtins.open', mock.mock_open(), create=True)142    def test_generate_worker_partitions_group_without_match(self):143        test_ids = ['test_a', 'test_b', 'your_test']144        fake_worker_yaml = [145            {'worker': ['test_']},146            {'worker': ['test']},147            {'worker': ['foo']}148        ]149        with mock.patch('yaml.safe_load', return_value=fake_worker_yaml):150            groups = scheduler.generate_worker_partitions(test_ids, 'fakepath')151        expected_grouping = [152            ['test_a', 'test_b'],153            ['test_a', 'test_b', 'your_test'],154        ]155        self.assertEqual(expected_grouping, groups)156    @mock.patch('builtins.open', mock.mock_open(), create=True)157    def test_generate_worker_partitions_with_count(self):158        test_ids = ['test_a', 'test_b', 'your_test', 'a_thing1', 'a_thing2']159        fake_worker_yaml = [160            {'worker': ['test_']},161            {'worker': ['test']},162            {'worker': ['a_thing'], 'concurrency': 2},163        ]164        with mock.patch('yaml.safe_load', return_value=fake_worker_yaml):165            groups = scheduler.generate_worker_partitions(test_ids, 'fakepath')166        expected_grouping = [167            ['test_a', 'test_b'],168            ['test_a', 'test_b', 'your_test'],169            ['a_thing1'],170            ['a_thing2'],171        ]172        for worker in expected_grouping:173            self.assertIn(worker, groups)174    @mock.patch('builtins.open', mock.mock_open(), create=True)175    def test_generate_worker_partitions_with_count_1(self):176        test_ids = ['test_a', 'test_b', 'your_test']177        fake_worker_yaml = [178            {'worker': ['test_']},179            {'worker': ['test'], 'count': 1},180        ]181        with mock.patch('yaml.safe_load', return_value=fake_worker_yaml):182            groups = scheduler.generate_worker_partitions(test_ids, 'fakepath')183        expected_grouping = [184            ['test_a', 'test_b'],185            ['test_a', 'test_b', 'your_test'],186        ]...

scheduler.py

Source:scheduler.py

...117        return multiprocessing.cpu_count()118    except NotImplementedError:119        # No concurrency logic known.120        return None121def generate_worker_partitions(ids, worker_path, repository=None,122                               group_callback=None, randomize=False):123    """Parse a worker yaml file and generate test groups124    :param list ids: A list of test ids too be partitioned125    :param path worker_path: The path to a worker file126    :param repository: A repository object that will be used for looking up127        timing data. This is optional, and also will only be used for128        scheduling if there is a count field on a worker.129    :param group_callback: A callback function that is used as a scheduler130        hint to group test_ids together and treat them as a single unit for131        scheduling. This function expects a single test_id parameter and it132        will return a group identifier. Tests_ids that have the same group133        identifier will be kept on the same worker. This is optional and134        also will only be used for scheduling if there is a count field on a135        worker....

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