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How to use get_setup_teardown_pairs method in Lemoncheesecake

Best Python code snippet using lemoncheesecake

runner.py

Source:runner.py

...140        setup_teardown_funcs.append((setup_test_wrapper, teardown_test_wrapper))141        scheduled_fixtures = context.fixture_registry.get_fixtures_scheduled_for_test(142            self.test, self.suite_scheduled_fixtures143        )144        setup_teardown_funcs.extend(scheduled_fixtures.get_setup_teardown_pairs())145        context.session.set_step("Setup test")146        if any(setup for setup, _ in setup_teardown_funcs):147            teardown_funcs = context.run_setup_funcs(setup_teardown_funcs, ReportLocation.in_test(self.test))148        else:149            teardown_funcs = [teardown for _, teardown in setup_teardown_funcs if teardown]150        ###151        # Run test:152        ###153        if context.session.is_successful(ReportLocation.in_test(self.test)):154            test_args = self._prepare_test_args(self.test, scheduled_fixtures)155            context.session.set_step(self.test.description)156            try:157                self.test.callback(**test_args)158            except Exception as e:159                context.handle_exception(e, suite)160        ###161        # Teardown162        ###163        if any(teardown_funcs):164            context.session.set_step("Teardown test")165            context.run_teardown_funcs(teardown_funcs)166        context.session.end_test(self.test)167        if not context.session.is_successful(ReportLocation.in_test(self.test)):168            raise TaskFailure("test '%s' failed" % self.test.path)169    def __str__(self):170        return "<%s %s>" % (self.__class__.__name__, self.test.path)171def build_test_task(test, suite_scheduled_fixtures, dependency):172    return TestTask(test, suite_scheduled_fixtures, dependency)173def build_suite_tasks(174        suite, fixture_registry, session_scheduled_fixtures, test_session_setup_task,175        parent_suite_beginning_task=None, force_disabled=False):176    ###177    # Build suite beginning task178    ###179    suite_beginning_task = build_suite_beginning_task(180        suite, list((filter(bool, (test_session_setup_task, parent_suite_beginning_task))))181    )182    ###183    # Build suite setup task (if any)184    ###185    suite_scheduled_fixtures = fixture_registry.get_fixtures_scheduled_for_suite(186        suite, session_scheduled_fixtures, force_disabled187    )188    suite_setup_task = build_suite_initialization_task(189        suite, suite_scheduled_fixtures, [suite_beginning_task], force_disabled190    )191    ###192    # Build test tasks193    ###194    test_dependency = suite_setup_task if suite_setup_task else suite_beginning_task195    test_tasks = [196        build_test_task(test, suite_scheduled_fixtures, test_dependency)197        for test in suite.get_tests()198    ]199    ###200    # Build suite teardown task (if any)201    ###202    suite_teardown_task = build_suite_teardown_task(suite, suite_setup_task, test_tasks)203    ###204    # Build sub suite tasks205    ###206    sub_suite_tasks = []207    for sub_suite in suite.get_suites():208        sub_suite_tasks.extend(209            build_suite_tasks(210                sub_suite, fixture_registry, session_scheduled_fixtures, test_session_setup_task, suite_beginning_task,211                force_disabled212            )213        )214    ###215    # Build suite ending task216    ###217    suite_ending_dependencies = []218    suite_ending_dependencies.extend(test_tasks)219    if suite_teardown_task:220        suite_ending_dependencies.append(suite_teardown_task)221    suite_ending_dependencies.extend(222        task for task in sub_suite_tasks if isinstance(task, SuiteEndingTask) and task.suite in suite.get_suites()223    )224    suite_ending_task = build_suite_ending_task(suite, suite_ending_dependencies)225    ###226    # Return tasks != None227    ###228    task_iter = itertools.chain(229        (suite_beginning_task,),230        (suite_setup_task,), test_tasks, (suite_teardown_task,), sub_suite_tasks,231        (suite_ending_task,)232    )233    return list(filter(bool, task_iter))234class SuiteBeginningTask(BaseTask):235    def __init__(self, suite, dependencies):236        BaseTask.__init__(self)237        self.suite = suite238        self._dependencies = dependencies239    def get_on_success_dependencies(self):240        return self._dependencies241    def run(self, context):242        context.session.start_suite(self.suite)243    def skip(self, context, _):244        self.run(context)245    def __str__(self):246        return "<%s %s>" % (self.__class__.__name__, self.suite.path)247def build_suite_beginning_task(suite, dependencies):248    return SuiteBeginningTask(suite, dependencies)249class SuiteInitializationTask(BaseTask):250    def __init__(self, suite, setup_teardown_funcs, dependencies):251        BaseTask.__init__(self)252        self.suite = suite253        self.setup_teardown_funcs = setup_teardown_funcs254        self._dependencies = dependencies255        self.teardown_funcs = []256    def get_on_success_dependencies(self):257        return self._dependencies258    def run(self, context):259        if any(setup for setup, _ in self.setup_teardown_funcs):260            # before actual initialization261            context.session.start_suite_setup(self.suite)262            context.session.set_step("Setup suite")263            # actual initialization264            self.teardown_funcs = context.run_setup_funcs(265                self.setup_teardown_funcs, ReportLocation.in_suite_setup(self.suite)266            )267            # after actual initialization268            context.session.end_suite_setup(self.suite)269            if not context.session.is_successful(ReportLocation.in_suite_setup(self.suite)):270                raise TaskFailure("suite '%s' setup failed" % self.suite.path)271        else:272            self.teardown_funcs = [teardown for _, teardown in self.setup_teardown_funcs if teardown]273    def __str__(self):274        return "<%s %s>" % (self.__class__.__name__, self.suite.path)275def wrap_setup_suite(suite, scheduled_fixtures):276    setup_suite = suite.get_hook("setup_suite")277    if setup_suite is None:278        return None279    fixtures_names = suite.get_hook_params("setup_suite")280    def wrapper():281        fixtures = scheduled_fixtures.get_fixture_results(fixtures_names)282        setup_suite(**fixtures)283    return wrapper284def build_suite_initialization_task(suite, scheduled_fixtures, dependencies, force_disabled):285    if not suite.has_enabled_tests() and not force_disabled:286        return None287    setup_teardown_funcs = []288    if not scheduled_fixtures.is_empty():289        setup_teardown_funcs.extend(scheduled_fixtures.get_setup_teardown_pairs())290    if suite.get_injected_fixture_names():291        setup_teardown_funcs.append((292            lambda: suite.inject_fixtures(scheduled_fixtures.get_fixture_results(suite.get_injected_fixture_names())),293            None294        ))295    if suite.has_hook("setup_suite") or suite.has_hook("teardown_suite"):296        setup_teardown_funcs.append([297            wrap_setup_suite(suite, scheduled_fixtures),298            suite.get_hook("teardown_suite")299        ])300    return SuiteInitializationTask(suite, setup_teardown_funcs, dependencies) if setup_teardown_funcs else None301class SuiteEndingTask(BaseTask):302    def __init__(self, suite, dependencies):303        BaseTask.__init__(self)304        self.suite = suite305        self._dependencies = dependencies306    def get_on_success_dependencies(self):307        return self._dependencies308    def run(self, context):309        context.session.end_suite(self.suite)310    def skip(self, context, _):311        self.run(context)312    def __str__(self):313        return "<%s %s>" % (self.__class__.__name__, self.suite.path)314def build_suite_ending_task(suite, dependencies):315    return SuiteEndingTask(suite, dependencies)316class SuiteTeardownTask(BaseTask):317    def __init__(self, suite, suite_setup_task, dependencies):318        BaseTask.__init__(self)319        self.suite = suite320        self.suite_setup_task = suite_setup_task321        self._dependencies = dependencies322    def get_on_completion_dependencies(self):323        return self._dependencies324    def run(self, context):325        if any(self.suite_setup_task.teardown_funcs):326            # before actual teardown327            context.session.start_suite_teardown(self.suite)328            context.session.set_step("Teardown suite")329            # actual teardown330            context.run_teardown_funcs(self.suite_setup_task.teardown_funcs)331            # after actual teardown332            context.session.end_suite_teardown(self.suite)333    def skip(self, context, _):334        self.run(context)335    def __str__(self):336        return "<%s %s>" % (self.__class__.__name__, self.suite.path)337def build_suite_teardown_task(suite, suite_setup_task, dependencies):338    return SuiteTeardownTask(suite, suite_setup_task, dependencies) if suite_setup_task else None339class TestSessionSetupTask(BaseTask):340    def __init__(self, scheduled_fixtures):341        BaseTask.__init__(self)342        self.scheduled_fixtures = scheduled_fixtures343        self.teardown_funcs = []344    def run(self, context):345        setup_teardown_funcs = self.scheduled_fixtures.get_setup_teardown_pairs()346        if any(setup for setup, _ in setup_teardown_funcs):347            # before actual setup348            context.session.start_test_session_setup()349            context.session.set_step("Setup test session")350            # actual setup351            self.teardown_funcs = context.run_setup_funcs(setup_teardown_funcs, ReportLocation.in_test_session_setup())352            # after actual setup353            context.session.end_test_session_setup()354            if not context.session.is_successful(ReportLocation.in_test_session_setup()):355                raise TaskFailure("test session setup failed")356        else:357            self.teardown_funcs = [teardown for _, teardown in setup_teardown_funcs if teardown]358def build_test_session_setup_task(scheduled_fixtures):359    return TestSessionSetupTask(scheduled_fixtures) if not scheduled_fixtures.is_empty() else None360class TestSessionTeardownTask(BaseTask):361    def __init__(self, test_session_setup_task, dependencies):362        BaseTask.__init__(self)363        self.test_session_setup_task = test_session_setup_task364        self._dependencies = dependencies365    def get_on_completion_dependencies(self):366        return self._dependencies367    def run(self, context):368        if any(self.test_session_setup_task.teardown_funcs):369            # before actual teardown370            context.session.start_test_session_teardown()371            context.session.set_step("Teardown test session")372            # actual teardown373            context.run_teardown_funcs(self.test_session_setup_task.teardown_funcs)374            # after actual teardown375            context.session.end_test_session_teardown()376    def skip(self, context, _):377        self.run(context)378def build_test_session_teardown_task(test_session_setup_task, dependencies):379    return TestSessionTeardownTask(test_session_setup_task, dependencies) if test_session_setup_task else None380def lookup_test_task(tasks, test_path):381    try:382        return next(task for task in tasks if isinstance(task, TestTask) and task.test.path == test_path)383    except StopIteration:384        raise LookupError("Cannot find test '%s' in tasks" % test_path)385def build_tasks(suites, fixture_registry, session_scheduled_fixtures, force_disabled):386    ###387    # Build test session setup task388    ###389    test_session_setup_task = build_test_session_setup_task(session_scheduled_fixtures)390    ###391    # Build suite tasks392    ###393    suite_tasks = []394    for suite in suites:395        suite_tasks.extend(396            build_suite_tasks(397                suite, fixture_registry, session_scheduled_fixtures, test_session_setup_task,398                force_disabled=force_disabled399            )400        )401    ###402    # Build test session teardown task403    ###404    if test_session_setup_task:405        test_session_teardown_dependencies = [406            task for task in suite_tasks if isinstance(task, SuiteEndingTask) and task.suite in suites407        ]408        test_session_teardown_task = build_test_session_teardown_task(409            test_session_setup_task, test_session_teardown_dependencies410        )411    else:412        test_session_teardown_task = None413    ###414    # Get all effective tasks (task != None)415    ###416    task_iter = itertools.chain((test_session_setup_task,), suite_tasks, (test_session_teardown_task,))417    tasks = list(filter(bool, task_iter))418    ###419    # Add extra dependencies in tasks for tests that depend on other tests420    ###421    for test in flatten_tests(suites):422        if not test.dependencies:423            continue424        test_task = lookup_test_task(tasks, test.path)425        for dep_test_path in test.dependencies:426            try:427                dep_test = lookup_test_task(tasks, dep_test_path)428            except LookupError:429                raise UserError(430                    "Cannot find dependency test '%s' for '%s', "431                    "either the test does not exist or is not going to be run" % (dep_test_path, test.path)432                )433            test_task.dependencies.append(dep_test)434    ###435    # Return tasks436    ###437    return tasks438def _run_suites(suites, fixture_registry, pre_run_scheduled_fixtures, session,439                force_disabled=False, stop_on_failure=False, nb_threads=1):440    # build tasks and run context441    session_scheduled_fixtures = fixture_registry.get_fixtures_scheduled_for_session(442        suites, pre_run_scheduled_fixtures, force_disabled443    )444    tasks = build_tasks(suites, fixture_registry, session_scheduled_fixtures, force_disabled)445    context = RunContext(session, fixture_registry, force_disabled, stop_on_failure)446    with session.event_manager.handle_events():447        session.start_test_session()448        run_tasks(tasks, context, nb_threads)449        session.end_test_session()450    exception, serialized_exception = session.event_manager.get_pending_failure()451    if exception:452        raise exception.__class__(serialized_exception)453def run_suites(suites, fixture_registry, session, force_disabled=False, stop_on_failure=False, nb_threads=1):454    fixture_teardowns = []455    # setup of 'pre_run' fixtures456    errors = []457    scheduled_fixtures = fixture_registry.get_fixtures_scheduled_for_pre_run(suites, force_disabled)458    initialize_fixture_cache(scheduled_fixtures)459    for setup, teardown in scheduled_fixtures.get_setup_teardown_pairs():460        try:461            setup()462        except UserError:463            raise464        except Exception:465            errors.append("Got the following exception when executing fixture (scope 'pre_run')%s" % (466                serialize_current_exception(show_stacktrace=True)467            ))468            break469        fixture_teardowns.append(teardown)470    if not errors:471        _run_suites(472            suites, fixture_registry, scheduled_fixtures, session,473            force_disabled=force_disabled, stop_on_failure=stop_on_failure, nb_threads=nb_threads...

fixture.py

Source:fixture.py

...154    def _teardown_fixture(self, name):155        assert name in self._results, "Cannot teardown fixture '%s', it has not been previously executed" % name156        self._results[name].teardown()157        del self._results[name]158    def get_setup_teardown_pairs(self):159        return list(map(160            lambda name: (lambda: self._setup_fixture(name), lambda: self._teardown_fixture(name)),161            self._fixtures162        ))163    def get_fixture_result(self, name):164        if name in self._fixtures:165            assert name in self._results, "Cannot get fixture '%s' result, it has not been previously executed" % name166            return self._results[name].get()167        elif self._parent_scheduled_fixtures:168            return self._parent_scheduled_fixtures.get_fixture_result(name)169        else:170            raise LookupError("Cannot find fixture named '%s' in scheduled fixtures" % name)171    def get_fixture_results(self, names):172        return {name: self.get_fixture_result(name) for name in names}...

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