class CronQueueTest

Same name in other branches
  1. 9 core/modules/system/tests/src/Kernel/System/CronQueueTest.php \Drupal\Tests\system\Kernel\System\CronQueueTest
  2. 8.9.x core/modules/system/tests/src/Kernel/System/CronQueueTest.php \Drupal\Tests\system\Kernel\System\CronQueueTest
  3. 11.x core/modules/system/tests/src/Kernel/System/CronQueueTest.php \Drupal\Tests\system\Kernel\System\CronQueueTest

Tests the Cron Queue runner.

@group system

Hierarchy

Expanded class hierarchy of CronQueueTest

File

core/modules/system/tests/src/Kernel/System/CronQueueTest.php, line 27

Namespace

Drupal\Tests\system\Kernel\System
View source
class CronQueueTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system',
        'cron_queue_test',
    ];
    
    /**
     * The database connection.
     *
     * @var \Drupal\Core\Database\Connection
     */
    protected $connection;
    
    /**
     * The cron service.
     *
     * @var \Drupal\Core\Cron
     */
    protected $cron;
    
    /**
     * The fake current time used for queue worker / cron testing purposes.
     *
     * This value should be greater than or equal to zero.
     *
     * @var int
     */
    protected $currentTime = 1000;
    
    /**
     * A logger for testing.
     *
     * @var \Prophecy\Prophecy\ObjectProphecy|\Psr\Log\LoggerInterface
     */
    protected $logger;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        // Setup logger before register() is called.
        $this->logger = $this->prophesize(LoggerInterface::class);
        parent::setUp();
        $this->connection = Database::getConnection();
        $this->cron = \Drupal::service('cron');
        $time = $this->prophesize('Drupal\\Component\\Datetime\\TimeInterface');
        $time->getCurrentTime()
            ->willReturn($this->currentTime);
        $time->getCurrentMicroTime()
            ->willReturn(100.0);
        $time->getRequestTime()
            ->willReturn($this->currentTime);
        \Drupal::getContainer()->set('datetime.time', $time->reveal());
        $this->assertEquals($this->currentTime, \Drupal::time()->getCurrentTime());
        $this->assertEquals($this->currentTime, \Drupal::time()->getRequestTime());
        $realQueueFactory = $this->container
            ->get('queue');
        $queue_factory = $this->prophesize(get_class($realQueueFactory));
        $database = new DatabaseQueue('cron_queue_test_database_delay_exception', $this->connection);
        $memory = new Memory('cron_queue_test_memory_delay_exception');
        $queue_factory->get('cron_queue_test_database_delay_exception', Argument::cetera())
            ->willReturn($database);
        $queue_factory->get('cron_queue_test_memory_delay_exception', Argument::cetera())
            ->willReturn($memory);
        $queue_factory->get(Argument::any(), Argument::cetera())
            ->will(function ($args) use ($realQueueFactory) {
            return $realQueueFactory->get($args[0], $args[1] ?? FALSE);
        });
        $this->container
            ->set('queue', $queue_factory->reveal());
    }
    
    /**
     * Tests that DelayedRequeueException behaves as expected when running cron.
     */
    public function testDelayException() : void {
        $database = $this->container
            ->get('queue')
            ->get('cron_queue_test_database_delay_exception');
        $memory = $this->container
            ->get('queue')
            ->get('cron_queue_test_memory_delay_exception');
        // Ensure that the queues are of the correct type for this test.
        $this->assertInstanceOf('Drupal\\Core\\Queue\\DelayableQueueInterface', $database);
        $this->assertNotInstanceOf('Drupal\\Core\\Queue\\DelayableQueueInterface', $memory);
        // Get the queue worker plugin manager.
        $manager = $this->container
            ->get('plugin.manager.queue_worker');
        $definitions = $manager->getDefinitions();
        $this->assertNotEmpty($database_lease_time = $definitions['cron_queue_test_database_delay_exception']['cron']['time']);
        $this->assertNotEmpty($memory_lease_time = $definitions['cron_queue_test_memory_delay_exception']['cron']['time']);
        // Create the necessary test data and run cron.
        $database->createItem('test');
        $memory->createItem('test');
        $this->cron
            ->run();
        // Fetch the expiry time for the database queue.
        $query = $this->connection
            ->select('queue');
        $query->condition('name', 'cron_queue_test_database_delay_exception');
        $query->addField('queue', 'expire');
        $query->range(0, 1);
        $expire = $query->execute()
            ->fetchField();
        // Assert that the delay interval is greater than the lease interval. This
        // allows us to assume that (if updated) the new expiry time will be greater
        // than the initial expiry time. We can then also assume that the new expiry
        // time offset will be identical to the delay interval.
        $this->assertGreaterThan($database_lease_time, CronQueueTestDatabaseDelayException::DELAY_INTERVAL);
        $this->assertGreaterThan($this->currentTime + $database_lease_time, $expire);
        $this->assertEquals(CronQueueTestDatabaseDelayException::DELAY_INTERVAL, $expire - $this->currentTime);
        // Ensure that the memory queue expiry time is unchanged after the
        // DelayedRequeueException has been thrown.
        $property = (new \ReflectionClass($memory))->getProperty('queue');
        $memory_queue_internal = $property->getValue($memory);
        $this->assertEquals($this->currentTime + $memory_lease_time, reset($memory_queue_internal)->expire);
    }
    
    /**
     * Tests that leases are expiring correctly, also within the same request.
     */
    public function testLeaseTime() : void {
        $queue = $this->container
            ->get('queue')
            ->get('cron_queue_test_lease_time');
        $queue->createItem([
            $this->randomMachineName() => $this->randomMachineName(),
        ]);
        // Run initial queue job and ensure lease time variable is initialized.
        $this->cron
            ->run();
        static::assertEquals(1, \Drupal::state()->get('cron_queue_test_lease_time'));
        // Ensure the same queue job is not picked up due to the extended lease.
        $this->cron
            ->run();
        static::assertEquals(1, \Drupal::state()->get('cron_queue_test_lease_time'));
        // Set the expiration time to 3 seconds ago, so the lease should
        // automatically expire.
        \Drupal::database()->update(DatabaseQueue::TABLE_NAME)
            ->fields([
            'expire' => $this->currentTime - 3,
        ])
            ->execute();
        // The queue job should now be picked back up since it's lease has expired,
        // and the state variable should be consequently incremented.
        $this->cron
            ->run();
        static::assertEquals(2, \Drupal::state()->get('cron_queue_test_lease_time'));
        // Ensure the same queue job is not picked up again due to the extended
        // lease.
        $this->cron
            ->run();
        static::assertEquals(2, \Drupal::state()->get('cron_queue_test_lease_time'));
    }
    
    /**
     * Tests that non-queue exceptions thrown by workers are handled properly.
     *
     * @see \Drupal\cron_queue_test\Plugin\QueueWorker\CronQueueTestException
     */
    public function testUncaughtExceptions() : void {
        $this->logger
            ->log(RfcLogLevel::ERROR, '%type: @message in %function (line %line of %file).', Argument::that(function ($args) {
            return $args['@message'] === 'That is not supposed to happen.' && $args['exception'] instanceof \Exception;
        }))
            ->shouldBeCalled();
        $this->logger
            ->log(RfcLogLevel::INFO, 'Cron run completed.', Argument::cetera())
            ->shouldBeCalled();
        // Get the queue to test the normal Exception.
        $queue = $this->container
            ->get('queue')
            ->get(CronQueueTestException::PLUGIN_ID);
        // Enqueue an item for processing.
        $queue->createItem([
            $this->randomMachineName() => $this->randomMachineName(),
        ]);
        // Run cron; the worker for this queue should throw an exception and handle
        // it.
        $this->cron
            ->run();
        $this->assertEquals(1, \Drupal::state()->get('cron_queue_test_exception'));
        // The item should be left in the queue.
        $this->assertEquals(1, $queue->numberOfItems(), 'Failing item still in the queue after throwing an exception.');
        // Expire the queue item manually. system_cron() relies in
        // \Drupal::time()->getRequestTime() to find queue items whose expire field needs to be
        // reset to 0. This is a Kernel test, so \Drupal::time()->getRequestTime() won't change
        // when cron runs.
        // @see system_cron()
        // @see \Drupal\Core\Cron::processQueues()
        $this->connection
            ->update('queue')
            ->condition('name', 'cron_queue_test_exception')
            ->fields([
            'expire' => \Drupal::time()->getRequestTime() - 1,
        ])
            ->execute();
        $this->cron
            ->run();
        $this->assertEquals(2, \Drupal::state()->get('cron_queue_test_exception'));
        $this->assertEquals(0, $queue->numberOfItems(), 'Item was processed and removed from the queue.');
    }
    
    /**
     * Tests suspend queue exception is handled properly.
     *
     * @see \Drupal\cron_queue_test\Plugin\QueueWorker\CronQueueTestSuspendQueue
     * @covers \Drupal\Core\Queue\SuspendQueueException
     */
    public function testSuspendQueueException() : void {
        $this->logger
            ->log(RfcLogLevel::DEBUG, 'A worker for @queue queue suspended further processing of the queue.', Argument::that(function ($args) {
            return $args['@queue'] === CronQueueTestSuspendQueue::PLUGIN_ID;
        }))
            ->shouldBeCalled();
        $this->logger
            ->log(RfcLogLevel::INFO, 'Cron run completed.', Argument::cetera())
            ->shouldBeCalled();
        // Get the queue to test the specific SuspendQueueException.
        $queue = \Drupal::queue(CronQueueTestSuspendQueue::PLUGIN_ID);
        // Enqueue several item for processing.
        $queue->createItem('process');
        $queue->createItem('suspend');
        $queue->createItem('ignored');
        // Run cron; the worker for this queue should process as far as the
        // suspending item.
        $this->cron
            ->run();
        // Only one item should have been processed.
        $this->assertEquals(2, $queue->numberOfItems(), 'Suspended queue stopped processing at the suspending item.');
        // Check the items remaining in the queue. The item that throws the
        // exception gets released by cron, so we can claim it again to check it.
        $item = $queue->claimItem();
        $this->assertEquals('suspend', $item->data, 'Suspending item remains in the queue.');
        $item = $queue->claimItem();
        $this->assertEquals('ignored', $item->data, 'Item beyond the suspending item remains in the queue.');
    }
    
    /**
     * Tests requeue exception is handled properly.
     *
     * @see \Drupal\cron_queue_test\Plugin\QueueWorker\CronQueueTestRequeueException
     * @covers \Drupal\Core\Queue\RequeueException
     */
    public function testRequeueException() : void {
        // Test the requeueing functionality.
        $queue = $this->container
            ->get('queue')
            ->get(CronQueueTestRequeueException::PLUGIN_ID);
        $queue->createItem([]);
        $this->cron
            ->run();
        $this->assertEquals(2, \Drupal::state()->get('cron_queue_test_requeue_exception'));
        $this->assertEquals(0, $queue->numberOfItems());
    }
    
    /**
     * Tests that database queue implementation complies with interfaces specs.
     */
    public function testDatabaseQueueReturnTypes() : void {
        
        /** @var \Drupal\Core\Queue\DatabaseQueue $queue */
        $queue = $this->container
            ->get('queue')
            ->get('cron_queue_test_database_delay_exception');
        static::assertInstanceOf(DatabaseQueue::class, $queue);
        $queue->createItem(12);
        $item = $queue->claimItem();
        static::assertTrue($queue->delayItem($item, 1));
        static::assertTrue($queue->releaseItem($item));
        $queue->deleteItem($item);
        static::assertFalse($queue->delayItem($item, 1));
        static::assertFalse($queue->releaseItem($item));
    }
    
    /**
     * Test safeguard against invalid annotations in QueueWorkerManager.
     */
    public function testQueueWorkerManagerSafeguard() : void {
        $queue_worker_manager = $this->container
            ->get('plugin.manager.queue_worker');
        $plugin_id = 'test_plugin_id';
        // Ensure if no cron annotation is provided, none is added.
        $definition = [];
        $queue_worker_manager->processDefinition($definition, $plugin_id);
        $this->assertArrayNotHasKey('cron', $definition);
        // Ensure if an empty cron annotation is provided, the default lease time is
        // added.
        $definition = [
            'cron' => [],
        ];
        $queue_worker_manager->processDefinition($definition, $plugin_id);
        $this->assertArrayHasKey('time', $definition['cron']);
        $this->assertEquals(QueueWorkerManagerInterface::DEFAULT_QUEUE_CRON_TIME, $definition['cron']['time']);
        // Ensure if an invalid lease time (less-than 1 second) is provided, it is
        // overridden with the default lease time.
        $definition = [
            'cron' => [
                'time' => 0,
            ],
        ];
        $queue_worker_manager->processDefinition($definition, $plugin_id);
        $this->assertEquals(QueueWorkerManagerInterface::DEFAULT_QUEUE_CRON_TIME, $definition['cron']['time']);
        $definition = [
            'cron' => [
                'time' => -1,
            ],
        ];
        $queue_worker_manager->processDefinition($definition, $plugin_id);
        $this->assertEquals(QueueWorkerManagerInterface::DEFAULT_QUEUE_CRON_TIME, $definition['cron']['time']);
    }
    
    /**
     * Tests that cron queues from derivers work.
     */
    public function testQueueWorkerDeriver() : void {
        $this->assertEquals(0, \Drupal::state()->get(CronQueueTestDeriverQueue::PLUGIN_ID, 0));
        $queue = \Drupal::queue(sprintf('%s:foo', CronQueueTestDeriverQueue::PLUGIN_ID));
        $queue->createItem('foo');
        $this->cron
            ->run();
        $this->assertEquals(1, \Drupal::state()->get(CronQueueTestDeriverQueue::PLUGIN_ID));
    }
    
    /**
     * {@inheritdoc}
     */
    public function register(ContainerBuilder $container) {
        parent::register($container);
        $container->register('test_logger', get_class($this->logger
            ->reveal()))
            ->addTag('logger');
        $container->set('test_logger', $this->logger
            ->reveal());
    }

}

Members

Title Sort descending Deprecated Modifiers Object type Summary Overriden Title Overrides
AssertContentTrait::$content protected property The current raw content.
AssertContentTrait::$drupalSettings protected property The drupalSettings value from the current raw $content.
AssertContentTrait::$elements protected property The XML structure parsed from the current raw $content. 1
AssertContentTrait::$plainTextContent protected property The plain-text content of raw $content (text nodes).
AssertContentTrait::assertEscaped protected function Passes if the raw text IS found escaped on the loaded page, fail otherwise.
AssertContentTrait::assertField protected function Asserts that a field exists with the given name or ID.
AssertContentTrait::assertFieldById protected function Asserts that a field exists with the given ID and value.
AssertContentTrait::assertFieldByName protected function Asserts that a field exists with the given name and value.
AssertContentTrait::assertFieldByXPath protected function Asserts that a field exists in the current page by the given XPath.
AssertContentTrait::assertFieldChecked protected function Asserts that a checkbox field in the current page is checked.
AssertContentTrait::assertFieldsByValue protected function Asserts that a field exists in the current page with a given Xpath result.
AssertContentTrait::assertLink protected function Passes if a link with the specified label is found.
AssertContentTrait::assertLinkByHref protected function Passes if a link containing a given href (part) is found.
AssertContentTrait::assertNoDuplicateIds protected function Asserts that each HTML ID is used for just a single element.
AssertContentTrait::assertNoEscaped protected function Passes if raw text IS NOT found escaped on loaded page, fail otherwise.
AssertContentTrait::assertNoField protected function Asserts that a field does not exist with the given name or ID.
AssertContentTrait::assertNoFieldById protected function Asserts that a field does not exist with the given ID and value.
AssertContentTrait::assertNoFieldByName protected function Asserts that a field does not exist with the given name and value.
AssertContentTrait::assertNoFieldByXPath protected function Asserts that a field does not exist or its value does not match, by XPath.
AssertContentTrait::assertNoFieldChecked protected function Asserts that a checkbox field in the current page is not checked.
AssertContentTrait::assertNoLink protected function Passes if a link with the specified label is not found.
AssertContentTrait::assertNoLinkByHref protected function Passes if a link containing a given href (part) is not found.
AssertContentTrait::assertNoLinkByHrefInMainRegion protected function Passes if a link containing a given href is not found in the main region.
AssertContentTrait::assertNoOption protected function Asserts that a select option in the current page does not exist.
AssertContentTrait::assertNoOptionSelected protected function Asserts that a select option in the current page is not checked.
AssertContentTrait::assertNoPattern protected function Triggers a pass if the perl regex pattern is not found in raw content.
AssertContentTrait::assertNoRaw protected function Passes if the raw text is NOT found on the loaded page, fail otherwise.
AssertContentTrait::assertNoText protected function Passes if the page (with HTML stripped) does not contains the text.
AssertContentTrait::assertNoTitle protected function Pass if the page title is not the given string.
AssertContentTrait::assertNoUniqueText protected function Passes if the text is found MORE THAN ONCE on the text version of the page.
AssertContentTrait::assertOption protected function Asserts that a select option in the current page exists.
AssertContentTrait::assertOptionByText protected function Asserts that a select option with the visible text exists.
AssertContentTrait::assertOptionSelected protected function Asserts that a select option in the current page is checked.
AssertContentTrait::assertOptionSelectedWithDrupalSelector protected function Asserts that a select option in the current page is checked.
AssertContentTrait::assertOptionWithDrupalSelector protected function Asserts that a select option in the current page exists.
AssertContentTrait::assertPattern protected function Triggers a pass if the Perl regex pattern is found in the raw content.
AssertContentTrait::assertRaw protected function Passes if the raw text IS found on the loaded page, fail otherwise.
AssertContentTrait::assertText protected function Passes if the page (with HTML stripped) contains the text.
AssertContentTrait::assertTextHelper protected function Helper for assertText and assertNoText.
AssertContentTrait::assertTextPattern protected function Asserts that a Perl regex pattern is found in the plain-text content.
AssertContentTrait::assertThemeOutput protected function Asserts themed output.
AssertContentTrait::assertTitle protected function Pass if the page title is the given string.
AssertContentTrait::assertUniqueText protected function Passes if the text is found ONLY ONCE on the text version of the page.
AssertContentTrait::assertUniqueTextHelper protected function Helper for assertUniqueText and assertNoUniqueText.
AssertContentTrait::buildXPathQuery protected function Builds an XPath query.
AssertContentTrait::constructFieldXpath protected function Helper: Constructs an XPath for the given set of attributes and value.
AssertContentTrait::cssSelect protected function Searches elements using a CSS selector in the raw content.
AssertContentTrait::getAllOptions protected function Get all option elements, including nested options, in a select.
AssertContentTrait::getDrupalSettings protected function Gets the value of drupalSettings for the currently-loaded page.
AssertContentTrait::getRawContent protected function Gets the current raw content.
AssertContentTrait::getSelectedItem protected function Get the selected value from a select field.
AssertContentTrait::getTextContent protected function Retrieves the plain-text content from the current raw content.
AssertContentTrait::parse protected function Parse content returned from curlExec using DOM and SimpleXML.
AssertContentTrait::removeWhiteSpace protected function Removes all white-space between HTML tags from the raw content.
AssertContentTrait::setDrupalSettings protected function Sets the value of drupalSettings for the currently-loaded page.
AssertContentTrait::setRawContent protected function Sets the raw content (e.g. HTML).
AssertContentTrait::xpath protected function Performs an xpath search on the contents of the internal browser.
ConfigTestTrait::configImporter protected function Returns a ConfigImporter object to import test configuration.
ConfigTestTrait::copyConfig protected function Copies configuration objects from source storage to target storage.
CronQueueTest::$connection protected property The database connection.
CronQueueTest::$cron protected property The cron service.
CronQueueTest::$currentTime protected property The fake current time used for queue worker / cron testing purposes.
CronQueueTest::$logger protected property A logger for testing.
CronQueueTest::$modules protected static property Modules to install. Overrides KernelTestBase::$modules
CronQueueTest::register public function Registers test-specific services. Overrides KernelTestBase::register
CronQueueTest::setUp protected function Overrides KernelTestBase::setUp
CronQueueTest::testDatabaseQueueReturnTypes public function Tests that database queue implementation complies with interfaces specs.
CronQueueTest::testDelayException public function Tests that DelayedRequeueException behaves as expected when running cron.
CronQueueTest::testLeaseTime public function Tests that leases are expiring correctly, also within the same request.
CronQueueTest::testQueueWorkerDeriver public function Tests that cron queues from derivers work.
CronQueueTest::testQueueWorkerManagerSafeguard public function Test safeguard against invalid annotations in QueueWorkerManager.
CronQueueTest::testRequeueException public function Tests requeue exception is handled properly.
CronQueueTest::testSuspendQueueException public function Tests suspend queue exception is handled properly.
CronQueueTest::testUncaughtExceptions public function Tests that non-queue exceptions thrown by workers are handled properly.
ExtensionListTestTrait::getModulePath protected function Gets the path for the specified module.
ExtensionListTestTrait::getThemePath protected function Gets the path for the specified theme.
KernelTestBase::$backupGlobals protected property Back up and restore any global variables that may be changed by tests.
KernelTestBase::$backupStaticAttributes protected property Back up and restore static class properties that may be changed by tests.
KernelTestBase::$backupStaticAttributesBlacklist protected property Contains a few static class properties for performance.
KernelTestBase::$classLoader protected property
KernelTestBase::$configImporter protected property @todo Move into Config test base class. 6
KernelTestBase::$configSchemaCheckerExclusions protected static property An array of config object names that are excluded from schema checking. 3
KernelTestBase::$container protected property
KernelTestBase::$databasePrefix protected property
KernelTestBase::$keyValue protected property The key_value service that must persist between container rebuilds.
KernelTestBase::$preserveGlobalState protected property Do not forward any global state from the parent process to the processes
that run the actual tests.
KernelTestBase::$root protected property The app root.
KernelTestBase::$runTestInSeparateProcess protected property Kernel tests are run in separate processes because they allow autoloading
of code from extensions. Running the test in a separate process isolates
this behavior from other tests. Subclasses should not override this
property.
KernelTestBase::$siteDirectory protected property
KernelTestBase::$strictConfigSchema protected property Set to TRUE to strict check all configuration saved. 9
KernelTestBase::$usesSuperUserAccessPolicy protected property Set to TRUE to make user 1 a super user. 7
KernelTestBase::$vfsRoot protected property The virtual filesystem root directory.
KernelTestBase::assertPostConditions protected function 1
KernelTestBase::bootEnvironment protected function Bootstraps a basic test environment.
KernelTestBase::bootKernel protected function Bootstraps a kernel for a test. 1
KernelTestBase::config protected function Configuration accessor for tests. Returns non-overridden configuration.
KernelTestBase::disableModules protected function Disables modules for this test.
KernelTestBase::enableModules protected function Enables modules for this test. 1
KernelTestBase::getConfigSchemaExclusions protected function Gets the config schema exclusions for this test.
KernelTestBase::getDatabaseConnectionInfo protected function Returns the Database connection info to be used for this test. 2
KernelTestBase::getDatabasePrefix public function
KernelTestBase::getExtensionsForModules private function Returns Extension objects for $modules to install.
KernelTestBase::getModulesToEnable private static function Returns the modules to install for this test.
KernelTestBase::initFileCache protected function Initializes the FileCache component.
KernelTestBase::installConfig protected function Installs default configuration for a given list of modules.
KernelTestBase::installEntitySchema protected function Installs the storage schema for a specific entity type.
KernelTestBase::installSchema protected function Installs database tables from a module schema definition.
KernelTestBase::render protected function Renders a render array. 1
KernelTestBase::setInstallProfile protected function Sets the install profile and rebuilds the container to update it.
KernelTestBase::setSetting protected function Sets an in-memory Settings variable.
KernelTestBase::setUpBeforeClass public static function 1
KernelTestBase::setUpFilesystem protected function Sets up the filesystem, so things like the file directory. 2
KernelTestBase::stop Deprecated protected function Stops test execution.
KernelTestBase::tearDown protected function 6
KernelTestBase::tearDownCloseDatabaseConnection public function @after
KernelTestBase::vfsDump protected function Dumps the current state of the virtual filesystem to STDOUT.
KernelTestBase::__get public function
KernelTestBase::__sleep public function Prevents serializing any properties.
PhpUnitWarnings::$deprecationWarnings private static property Deprecation warnings from PHPUnit to raise with @trigger_error().
PhpUnitWarnings::addWarning public function Converts PHPUnit deprecation warnings to E_USER_DEPRECATED.
RandomGeneratorTrait::getRandomGenerator protected function Gets the random generator for the utility methods.
RandomGeneratorTrait::randomMachineName protected function Generates a unique random string containing letters and numbers.
RandomGeneratorTrait::randomObject public function Generates a random PHP object.
RandomGeneratorTrait::randomString public function Generates a pseudo-random string of ASCII characters of codes 32 to 126.
RandomGeneratorTrait::randomStringValidate Deprecated public function Callback for random string validation.
StorageCopyTrait::replaceStorageContents protected static function Copy the configuration from one storage to another and remove stale items.
TestRequirementsTrait::checkModuleRequirements Deprecated private function Checks missing module requirements.
TestRequirementsTrait::checkRequirements Deprecated protected function Check module requirements for the Drupal use case.
TestRequirementsTrait::getDrupalRoot protected static function Returns the Drupal root directory.

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