class AssetOptimizationTest

Same name in other branches
  1. 11.x core/tests/Drupal/FunctionalTests/Asset/AssetOptimizationTest.php \Drupal\FunctionalTests\Asset\AssetOptimizationTest

Tests asset aggregation.

@group asset

Hierarchy

Expanded class hierarchy of AssetOptimizationTest

File

core/tests/Drupal/FunctionalTests/Asset/AssetOptimizationTest.php, line 17

Namespace

Drupal\FunctionalTests\Asset
View source
class AssetOptimizationTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * The file assets path settings value.
     */
    protected $fileAssetsPath;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system',
    ];
    
    /**
     * Tests that asset aggregates are rendered and created on disk.
     */
    public function testAssetAggregation() : void {
        // Test aggregation with a custom file_assets_path.
        $this->fileAssetsPath = $this->publicFilesDirectory . '/test-assets';
        $settings['settings']['file_assets_path'] = (object) [
            'value' => $this->fileAssetsPath,
            'required' => TRUE,
        ];
        $this->doTestAggregation($settings);
        // Test aggregation with no configured file_assets_path or file_public_path,
        // since tests run in a multisite, this tests multisite installs where
        // settings.php is the default.
        $this->fileAssetsPath = $this->publicFilesDirectory;
        $settings['settings']['file_public_path'] = (object) [
            'value' => NULL,
            'required' => TRUE,
        ];
        $settings['settings']['file_assets_path'] = (object) [
            'value' => NULL,
            'required' => TRUE,
        ];
        $this->doTestAggregation($settings);
    }
    
    /**
     * Creates a user and requests a page.
     */
    protected function requestPage() : void {
        $user = $this->createUser();
        $this->drupalLogin($user);
        $this->drupalGet('');
    }
    
    /**
     * Helper to test aggregate file URLs.
     *
     * @param array $settings
     *   A settings array to pass to ::writeSettings()
     */
    protected function doTestAggregation(array $settings) : void {
        $this->writeSettings($settings);
        $this->rebuildAll();
        $this->config('system.performance')
            ->set('css', [
            'preprocess' => TRUE,
            'gzip' => TRUE,
        ])
            ->save();
        $this->config('system.performance')
            ->set('js', [
            'preprocess' => TRUE,
            'gzip' => TRUE,
        ])
            ->save();
        $this->requestPage();
        $session = $this->getSession();
        $page = $session->getPage();
        // Collect all the URLs for all the script and styles prior to making any
        // more requests.
        $style_elements = $page->findAll('xpath', '//link[@href and @rel="stylesheet"]');
        $script_elements = $page->findAll('xpath', '//script[@src]');
        $style_urls = [];
        foreach ($style_elements as $element) {
            $style_urls[] = $element->getAttribute('href');
        }
        $script_urls = [];
        foreach ($script_elements as $element) {
            $script_urls[] = $element->getAttribute('src');
        }
        foreach ($style_urls as $url) {
            $this->assertAggregate($url, TRUE, 'text/css');
            // Once the file has been requested once, it's on disk. It is possible for
            // a second request to hit the controller, and then find that another
            // request has created the file already. Actually simulating this race
            // condition is not really possible since it relies on timing. However, by
            // changing the case of the part of the URL that is handled by Drupal
            // routing, we can force the request to be served by Drupal.
            $this->assertAggregate(str_replace($this->fileAssetsPath, strtoupper($this->fileAssetsPath), $url), TRUE, 'text/css');
            $this->assertAggregate($url, FALSE, 'text/css');
            $this->assertInvalidAggregates($url);
        }
        foreach ($script_urls as $url) {
            $this->assertAggregate($url);
            $this->assertAggregate($url, FALSE);
            $this->assertInvalidAggregates($url);
        }
    }
    
    /**
     * Asserts the aggregate header.
     *
     * @param string $url
     *   The source URL.
     * @param bool $from_php
     *   (optional) Is the result from PHP or disk? Defaults to TRUE (PHP).
     * @param string|null $content_type
     *   The expected content type, or NULL to skip checking.
     */
    protected function assertAggregate(string $url, bool $from_php = TRUE, ?string $content_type = NULL) : void {
        $url = $this->getAbsoluteUrl($url);
        if (!stripos($url, $this->fileAssetsPath) !== FALSE) {
            return;
        }
        $session = $this->getSession();
        $session->visit($url);
        $this->assertSession()
            ->statusCodeEquals(200);
        $headers = $session->getResponseHeaders();
        if (isset($content_type)) {
            $this->assertStringContainsString($content_type, $headers['Content-Type'][0]);
        }
        if ($from_php) {
            $this->assertStringContainsString('no-store', $headers['Cache-Control'][0]);
            $this->assertArrayHasKey('X-Generator', $headers);
        }
        else {
            $this->assertArrayNotHasKey('X-Generator', $headers);
        }
    }
    
    /**
     * Asserts the aggregate when it is invalid.
     *
     * @param string $url
     *   The source URL.
     *
     * @throws \Behat\Mink\Exception\ExpectationException
     */
    protected function assertInvalidAggregates(string $url) : void {
        $url = $this->getAbsoluteUrl($url);
        // Not every script or style on a page is aggregated.
        if (!str_contains($url, $this->fileAssetsPath)) {
            return;
        }
        $session = $this->getSession();
        $session->visit($this->replaceGroupDelta($url));
        $this->assertSession()
            ->statusCodeEquals(200);
        $session->visit($this->omitTheme($url));
        $this->assertSession()
            ->statusCodeEquals(400);
        $session->visit($this->omitInclude($url));
        $this->assertSession()
            ->statusCodeEquals(400);
        $session->visit($this->invalidInclude($url));
        $this->assertSession()
            ->statusCodeEquals(400);
        $session->visit($this->invalidExclude($url));
        $this->assertSession()
            ->statusCodeEquals(400);
        $session->visit($this->replaceFileNamePrefix($url));
        $this->assertSession()
            ->statusCodeEquals(400);
        $session->visit($this->setInvalidLibrary($url));
        $this->assertSession()
            ->statusCodeEquals(200);
        // When an invalid asset hash name is given.
        $session->visit($this->replaceGroupHash($url));
        $this->assertSession()
            ->statusCodeEquals(200);
        $current_url = $session->getCurrentUrl();
        // Redirect to the correct one.
        $this->assertEquals($url, $current_url);
    }
    
    /**
     * Replaces the delta in the given URL.
     *
     * @param string $url
     *   The source URL.
     *
     * @return string
     *   The URL with the delta replaced.
     */
    protected function replaceGroupDelta(string $url) : string {
        $parts = UrlHelper::parse($url);
        $parts['query']['delta'] = 100;
        $query = UrlHelper::buildQuery($parts['query']);
        return $this->getAbsoluteUrl($parts['path'] . '?' . $query . '#' . $parts['fragment']);
    }
    
    /**
     * Replaces the group hash in the given URL.
     *
     * @param string $url
     *   The source URL.
     *
     * @return string
     *   The URL with the group hash replaced.
     */
    protected function replaceGroupHash(string $url) : string {
        $parts = explode('_', $url, 2);
        $hash = strtok($parts[1], '.');
        $parts[1] = str_replace($hash, 'abcdefghijklmnop', $parts[1]);
        return $this->getAbsoluteUrl(implode('_', $parts));
    }
    
    /**
     * Replaces the filename prefix in the given URL.
     *
     * @param string $url
     *   The source URL.
     *
     * @return string
     *   The URL with the file name prefix replaced.
     */
    protected function replaceFileNamePrefix(string $url) : string {
        return str_replace([
            '/css_',
            '/js_',
        ], '/xyz_', $url);
    }
    
    /**
     * Replaces the 'include' entry in the given URL with an invalid value.
     *
     * @param string $url
     *   The source URL.
     *
     * @return string
     *   The URL with the 'include' query set to an invalid value.
     */
    protected function setInvalidLibrary(string $url) : string {
        // First replace the hash, so we don't get served the actual file on disk.
        $url = $this->replaceGroupHash($url);
        $parts = UrlHelper::parse($url);
        $include = explode(',', UrlHelper::uncompressQueryParameter($parts['query']['include']));
        $include[] = 'system/llama';
        $parts['query']['include'] = UrlHelper::compressQueryParameter(implode(',', $include));
        $query = UrlHelper::buildQuery($parts['query']);
        return $this->getAbsoluteUrl($parts['path'] . '?' . $query . '#' . $parts['fragment']);
    }
    
    /**
     * Removes the 'theme' query parameter from the given URL.
     *
     * @param string $url
     *   The source URL.
     *
     * @return string
     *   The URL with the 'theme' omitted.
     */
    protected function omitTheme(string $url) : string {
        // First replace the hash, so we don't get served the actual file on disk.
        $url = $this->replaceGroupHash($url);
        $parts = UrlHelper::parse($url);
        unset($parts['query']['theme']);
        $query = UrlHelper::buildQuery($parts['query']);
        return $this->getAbsoluteUrl($parts['path'] . '?' . $query . '#' . $parts['fragment']);
    }
    
    /**
     * Removes the 'include' query parameter from the given URL.
     *
     * @param string $url
     *   The source URL.
     *
     * @return string
     *   The URL with the 'include' parameter omitted.
     */
    protected function omitInclude(string $url) : string {
        // First replace the hash, so we don't get served the actual file on disk.
        $url = $this->replaceGroupHash($url);
        $parts = UrlHelper::parse($url);
        unset($parts['query']['include']);
        $query = UrlHelper::buildQuery($parts['query']);
        return $this->getAbsoluteUrl($parts['path'] . '?' . $query . '#' . $parts['fragment']);
    }
    
    /**
     * Replaces the 'include' query parameter with an invalid value.
     *
     * @param string $url
     *   The source URL.
     *
     * @return string
     *   The URL with 'include' set to an arbitrary string.
     */
    protected function invalidInclude(string $url) : string {
        // First replace the hash, so we don't get served the actual file on disk.
        $url = $this->replaceGroupHash($url);
        $parts = UrlHelper::parse($url);
        $parts['query']['include'] = 'abcdefghijklmnop';
        $query = UrlHelper::buildQuery($parts['query']);
        return $this->getAbsoluteUrl($parts['path'] . '?' . $query . '#' . $parts['fragment']);
    }
    
    /**
     * Adds an invalid 'exclude' query parameter with an invalid value.
     *
     * @param string $url
     *   The source URL.
     *
     * @return string
     *   The URL with 'exclude' set to an arbitrary string.
     */
    protected function invalidExclude(string $url) : string {
        // First replace the hash, so we don't get served the actual file on disk.
        $url = $this->replaceGroupHash($url);
        $parts = UrlHelper::parse($url);
        $parts['query']['exclude'] = 'abcdefghijklmnop';
        $query = UrlHelper::buildQuery($parts['query']);
        return $this->getAbsoluteUrl($parts['path'] . '?' . $query . '#' . $parts['fragment']);
    }

}

Members

Title Sort descending Deprecated Modifiers Object type Summary Member alias Overriden Title Overrides
AssetOptimizationTest::$defaultTheme protected property The theme to install as the default for testing. Overrides BrowserTestBase::$defaultTheme
AssetOptimizationTest::$fileAssetsPath protected property The file assets path settings value.
AssetOptimizationTest::$modules protected static property Modules to install. Overrides BrowserTestBase::$modules
AssetOptimizationTest::assertAggregate protected function Asserts the aggregate header.
AssetOptimizationTest::assertInvalidAggregates protected function Asserts the aggregate when it is invalid.
AssetOptimizationTest::doTestAggregation protected function Helper to test aggregate file URLs.
AssetOptimizationTest::invalidExclude protected function Adds an invalid 'exclude' query parameter with an invalid value.
AssetOptimizationTest::invalidInclude protected function Replaces the 'include' query parameter with an invalid value.
AssetOptimizationTest::omitInclude protected function Removes the 'include' query parameter from the given URL.
AssetOptimizationTest::omitTheme protected function Removes the 'theme' query parameter from the given URL.
AssetOptimizationTest::replaceFileNamePrefix protected function Replaces the filename prefix in the given URL.
AssetOptimizationTest::replaceGroupDelta protected function Replaces the delta in the given URL.
AssetOptimizationTest::replaceGroupHash protected function Replaces the group hash in the given URL.
AssetOptimizationTest::requestPage protected function Creates a user and requests a page. 1
AssetOptimizationTest::setInvalidLibrary protected function Replaces the 'include' entry in the given URL with an invalid value.
AssetOptimizationTest::testAssetAggregation public function Tests that asset aggregates are rendered and created on disk.
BlockCreationTrait::placeBlock protected function Creates a block instance based on default settings. Aliased as: drupalPlaceBlock
BrowserHtmlDebugTrait::$htmlOutputBaseUrl protected property The Base URI to use for links to the output files.
BrowserHtmlDebugTrait::$htmlOutputClassName protected property Class name for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputCounter protected property Counter for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputCounterStorage protected property Counter storage for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputDirectory protected property Directory name for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputEnabled protected property HTML output enabled.
BrowserHtmlDebugTrait::$htmlOutputFile protected property The file name to write the list of URLs to.
BrowserHtmlDebugTrait::$htmlOutputTestId protected property HTML output test ID.
BrowserHtmlDebugTrait::formatHtmlOutputHeaders protected function Formats HTTP headers as string for HTML output logging.
BrowserHtmlDebugTrait::getHtmlOutputHeaders protected function Returns headers in HTML output format. 1
BrowserHtmlDebugTrait::getResponseLogHandler protected function Provides a Guzzle middleware handler to log every response received.
BrowserHtmlDebugTrait::htmlOutput protected function Logs a HTML output message in a text file.
BrowserHtmlDebugTrait::initBrowserOutputFile protected function Creates the directory to store browser output.
BrowserTestBase::$baseUrl protected property The base URL.
BrowserTestBase::$configImporter protected property The config importer that can be used in a test.
BrowserTestBase::$customTranslations protected property An array of custom translations suitable for SettingsEditor::rewrite().
BrowserTestBase::$mink protected property Mink session manager.
BrowserTestBase::$minkDefaultDriverArgs protected property Mink default driver params.
BrowserTestBase::$minkDefaultDriverClass protected property Mink class for the default driver to use. 1
BrowserTestBase::$originalContainer protected property The original container.
BrowserTestBase::$originalShutdownCallbacks protected property The original array of shutdown function callbacks.
BrowserTestBase::$preserveGlobalState protected property
BrowserTestBase::$profile protected property The profile to install as a basis for testing. 40
BrowserTestBase::$runTestInSeparateProcess protected property Browser tests are run in separate processes to prevent collisions between
code that may be loaded by tests.
BrowserTestBase::$timeLimit protected property Time limit in seconds for the test.
BrowserTestBase::$translationFilesDirectory protected property The translation file directory for the test environment.
BrowserTestBase::cleanupEnvironment protected function Clean up the test environment.
BrowserTestBase::config protected function Configuration accessor for tests. Returns non-overridden configuration.
BrowserTestBase::filePreDeleteCallback public static function Ensures test files are deletable.
BrowserTestBase::getDefaultDriverInstance protected function Gets an instance of the default Mink driver.
BrowserTestBase::getDrupalSettings protected function Gets the JavaScript drupalSettings variable for the currently-loaded page. 1
BrowserTestBase::getHttpClient protected function Obtain the HTTP client for the system under test.
BrowserTestBase::getMinkDriverArgs protected function Gets the Mink driver args from an environment variable. 1
BrowserTestBase::getOptions protected function Helper function to get the options of select field.
BrowserTestBase::getSession public function Returns Mink session.
BrowserTestBase::getSessionCookies protected function Get session cookies from current session.
BrowserTestBase::getTestMethodCaller protected function Retrieves the current calling line in the class under test. Overrides BrowserHtmlDebugTrait::getTestMethodCaller
BrowserTestBase::initFrontPage protected function Visits the front page when initializing Mink. 3
BrowserTestBase::initMink protected function Initializes Mink sessions. 1
BrowserTestBase::installDrupal public function Installs Drupal into the test site. 2
BrowserTestBase::registerSessions protected function Registers additional Mink sessions.
BrowserTestBase::setUp protected function 544
BrowserTestBase::setUpAppRoot protected function Sets up the root application path.
BrowserTestBase::setUpBeforeClass public static function 1
BrowserTestBase::tearDown protected function 3
BrowserTestBase::translatePostValues protected function Transforms a nested array into a flat array suitable for submitForm().
BrowserTestBase::xpath protected function Performs an xpath search on the contents of the internal browser.
BrowserTestBase::__get public function
BrowserTestBase::__sleep public function Prevents serializing any properties.
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.
ContentTypeCreationTrait::createContentType protected function Creates a custom content type based on default settings. Aliased as: drupalCreateContentType 1
ExtensionListTestTrait::getModulePath protected function Gets the path for the specified module.
ExtensionListTestTrait::getThemePath protected function Gets the path for the specified theme.
FunctionalTestSetupTrait::$apcuEnsureUniquePrefix protected property The flag to set 'apcu_ensure_unique_prefix' setting. 1
FunctionalTestSetupTrait::$classLoader protected property The class loader to use for installation and initialization of setup.
FunctionalTestSetupTrait::$rootUser protected property The "#1" admin user.
FunctionalTestSetupTrait::$usesSuperUserAccessPolicy protected property Set to TRUE to make user 1 a super user. 10
FunctionalTestSetupTrait::doInstall protected function Execute the non-interactive installer. 2
FunctionalTestSetupTrait::getDatabaseTypes protected function Returns all supported database driver installer objects.
FunctionalTestSetupTrait::initConfig protected function Initialize various configurations post-installation. 1
FunctionalTestSetupTrait::initKernel protected function Initializes the kernel after installation.
FunctionalTestSetupTrait::initSettings protected function Initialize settings created during install.
FunctionalTestSetupTrait::initUserSession protected function Initializes user 1 for the site to be installed.
FunctionalTestSetupTrait::installDefaultThemeFromClassProperty protected function Installs the default theme defined by `static::$defaultTheme` when needed. 1
FunctionalTestSetupTrait::installModulesFromClassProperty protected function Install modules defined by `static::$modules`. 1
FunctionalTestSetupTrait::installParameters protected function Returns the parameters that will be used when the test installs Drupal. 8
FunctionalTestSetupTrait::prepareEnvironment protected function Prepares the current environment for running the test. 28
FunctionalTestSetupTrait::prepareRequestForGenerator protected function Creates a mock request and sets it on the generator.
FunctionalTestSetupTrait::prepareSettings protected function Prepares site settings and services before installation. 4
FunctionalTestSetupTrait::rebuildAll protected function Resets and rebuilds the environment after setup.
FunctionalTestSetupTrait::rebuildContainer protected function Rebuilds \Drupal::getContainer().
FunctionalTestSetupTrait::resetAll protected function Resets all data structures after having enabled new modules.
FunctionalTestSetupTrait::setContainerParameter protected function Changes parameters in the services.yml file.
FunctionalTestSetupTrait::setupBaseUrl protected function Sets up the base URL based upon the environment variable.
FunctionalTestSetupTrait::writeSettings protected function Rewrites the settings.php file of the test site. 1
NodeCreationTrait::createNode protected function Creates a node based on default settings. Aliased as: drupalCreateNode
NodeCreationTrait::getNodeByTitle public function Get a node from the database based on its title. Aliased as: drupalGetNodeByTitle
PhpUnitWarnings::$deprecationWarnings private static property Deprecation warnings from PHPUnit to raise with @trigger_error().
PhpUnitWarnings::addWarning public function Converts PHPUnit deprecation warnings to E_USER_DEPRECATED.
RandomGeneratorTrait::getRandomGenerator protected function Gets the random generator for the utility methods.
RandomGeneratorTrait::randomMachineName protected function Generates a unique random string containing letters and numbers.
RandomGeneratorTrait::randomObject public function Generates a random PHP object.
RandomGeneratorTrait::randomString public function Generates a pseudo-random string of ASCII characters of codes 32 to 126.
RandomGeneratorTrait::randomStringValidate Deprecated public function Callback for random string validation.
RefreshVariablesTrait::refreshVariables protected function Refreshes in-memory configuration and state information. 2
SessionTestTrait::$sessionName protected property The name of the session cookie.
SessionTestTrait::generateSessionName protected function Generates a session cookie name.
SessionTestTrait::getSessionName protected function Returns the session name in use on the child site.
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.
TestSetupTrait::$configSchemaCheckerExclusions protected static property An array of config object names that are excluded from schema checking. 2
TestSetupTrait::$container protected property The dependency injection container used in the test.
TestSetupTrait::$databasePrefix protected property The database prefix of this test run.
TestSetupTrait::$kernel protected property The DrupalKernel instance used in the test.
TestSetupTrait::$originalSite protected property The site directory of the original parent site.
TestSetupTrait::$privateFilesDirectory protected property The private file directory for the test environment.
TestSetupTrait::$publicFilesDirectory protected property The public file directory for the test environment.
TestSetupTrait::$root protected property The app root.
TestSetupTrait::$siteDirectory protected property The site directory of this test run.
TestSetupTrait::$strictConfigSchema protected property Set to TRUE to strict check all configuration saved. 4
TestSetupTrait::$tempFilesDirectory protected property The temporary file directory for the test environment.
TestSetupTrait::$testId protected property The test run ID.
TestSetupTrait::changeDatabasePrefix protected function Changes the database connection to the prefixed one.
TestSetupTrait::getConfigSchemaExclusions protected function Gets the config schema exclusions for this test.
TestSetupTrait::getDatabaseConnection Deprecated public static function Returns the database connection to the site under test.
TestSetupTrait::prepareDatabasePrefix protected function Generates a database prefix for running tests. 1
UiHelperTrait::$loggedInUser protected property The current user logged in using the Mink controlled browser.
UiHelperTrait::$maximumMetaRefreshCount protected property The number of meta refresh redirects to follow, or NULL if unlimited.
UiHelperTrait::$metaRefreshCount protected property The number of meta refresh redirects followed during ::drupalGet().
UiHelperTrait::$useOneTimeLoginLinks protected property Use one-time login links instead of submitting the login form. 3
UiHelperTrait::assertSession public function Returns WebAssert object. 1
UiHelperTrait::buildUrl protected function Builds an absolute URL from a system path or a URL object.
UiHelperTrait::checkForMetaRefresh protected function Checks for meta refresh tag and if found call drupalGet() recursively.
UiHelperTrait::click protected function Clicks the element with the given CSS selector.
UiHelperTrait::clickLink protected function Follows a link by complete name.
UiHelperTrait::cssSelect protected function Searches elements using a CSS selector in the raw content.
UiHelperTrait::cssSelectToXpath protected function Translates a CSS expression to its XPath equivalent.
UiHelperTrait::drupalGet protected function Retrieves a Drupal path or an absolute path. 3
UiHelperTrait::drupalLogin protected function Logs in a user using the Mink controlled browser.
UiHelperTrait::drupalLogout protected function Logs a user out of the Mink controlled browser and confirms.
UiHelperTrait::drupalResetSession protected function Resets the current active session back to Anonymous session.
UiHelperTrait::drupalUserIsLoggedIn protected function Returns whether a given user account is logged in.
UiHelperTrait::getAbsoluteUrl protected function Takes a path and returns an absolute path.
UiHelperTrait::getTextContent protected function Retrieves the plain-text content from the current page.
UiHelperTrait::getUrl protected function Get the current URL from the browser.
UiHelperTrait::isTestUsingGuzzleClient protected function Determines if test is using DrupalTestBrowser.
UiHelperTrait::prepareRequest protected function Prepare for a request to testing site. 1
UiHelperTrait::submitForm protected function Fills and submits a form.
UserCreationTrait::checkPermissions protected function Checks whether a given list of permission names is valid.
UserCreationTrait::createAdminRole protected function Creates an administrative role.
UserCreationTrait::createRole protected function Creates a role with specified permissions. Aliased as: drupalCreateRole
UserCreationTrait::createUser protected function Create a user with a given set of permissions. Aliased as: drupalCreateUser
UserCreationTrait::grantPermissions protected function Grant permissions to a user role.
UserCreationTrait::setCurrentUser protected function Switch the current logged in user.
UserCreationTrait::setUpCurrentUser protected function Creates a random user account and sets it as current user.
XdebugRequestTrait::extractCookiesFromRequest protected function Adds xdebug cookies, from request setup.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.