class SiteAlertCacheTest in Site Alert 8

Tests that the page cache correctly varies on the active site alerts.

@group site_alert

Hierarchy

• class \Drupal\Tests\BrowserTestBase extends \PHPUnit\Framework\TestCase uses FunctionalTestSetupTrait, TestSetupTrait, AssertLegacyTrait, BlockCreationTrait, ConfigTestTrait, ContentTypeCreationTrait, NodeCreationTrait, PhpunitCompatibilityTrait, RandomGeneratorTrait, TestRequirementsTrait, UiHelperTrait, UserCreationTrait, XdebugRequestTrait
  • class \Drupal\Tests\system\Functional\Cache\PageCacheTagsTestBase
    • class \Drupal\Tests\site_alert\Functional\SiteAlertCacheTest

File

tests/src/Functional/SiteAlertCacheTest.php, line 17

Namespace

Drupal\Tests\site_alert\Functional

class SiteAlertCacheTest extends PageCacheTagsTestBase {

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'site_alert',
    'block',
  ];

  /**
   * Tests that the page cache varies correctly by the currently active alerts.
   *
   * @dataProvider pageCacheProvider
   */
  public function testPageCache($timeout) {

    // Enable the site alerts block.
    $this
      ->drupalPlaceBlock('site_alert_block', [
      'id' => 'site_alert_block',
      // Enable or disable the AJAX timeout depending on the test case.
      'timeout' => $timeout,
    ]);

    // Warm the page cache. The first request is always a cache miss.
    $url = Url::fromRoute('<front>');
    $this
      ->verifyPageCache($url, 'MISS');

    // On the second request the page should be cached. We will also check that
    // the site alert list cache tag is present, in addition to the standard
    // tags added by the system, user, and block modules.
    $expected_tags = [
      'block_view',
      'config:block.block.site_alert_block',
      'config:block_list',
      'config:system.site',
      'config:user.role.anonymous',
      'http_response',
      'rendered',
      'site_alert_list',
    ];
    $this
      ->verifyPageCache($url, 'HIT', $expected_tags);

    // Create an inactive site alert.
    $inactive_alert = SiteAlert::create([
      'active' => FALSE,
      'severity' => 'medium',
      'message' => [
        'value' => 'Inactive alert',
        'format' => 'plain_text',
      ],
      'label' => 'Inactive',
    ]);
    $inactive_alert
      ->save();

    // The page cache should be invalidated because the list of site alerts has
    // changed.
    $this
      ->verifyPageCache($url, 'MISS');

    // On a second page load it should again be served from cache. The new alert
    // is not visible, so the cache tags should not change.
    $this
      ->verifyPageCache($url, 'HIT', $expected_tags);

    // No site alerts should be visible.
    $this
      ->assertSiteAlertCount(0);

    // Create an active site alert. This should also invalidate the page cache.
    $active_alert = SiteAlert::create([
      'active' => TRUE,
      'severity' => 'low',
      'message' => [
        'value' => 'Active alert',
        'format' => 'plain_text',
      ],
      'label' => 'Active',
    ]);
    $active_alert
      ->save();
    $this
      ->verifyPageCache($url, 'MISS');

    // Now the cache tag of the new site alert should be present.
    $expected_tags[] = "site_alert:{$active_alert->id()}";
    $this
      ->verifyPageCache($url, 'HIT', $expected_tags);

    // There should be 1 alert on the page.
    $this
      ->assertSiteAlertCount(1);

    // Activate the inactive alert. This should invalidate the page cache, and
    // the alert should appear on the page. Also its cache tag should be
    // included now.
    $inactive_alert
      ->set('active', TRUE)
      ->save();
    $this
      ->verifyPageCache($url, 'MISS');
    $expected_tags['inactive'] = "site_alert:{$inactive_alert->id()}";
    $this
      ->verifyPageCache($url, 'HIT', $expected_tags);
    $this
      ->assertSiteAlertCount(2);

    // Deactivate it again. Page cache should be invalidated, the alert and its
    // cache tag should no longer be present.
    $inactive_alert
      ->set('active', FALSE)
      ->save();
    $this
      ->verifyPageCache($url, 'MISS');
    unset($expected_tags['inactive']);
    $this
      ->verifyPageCache($url, 'HIT', $expected_tags);
    $this
      ->assertSiteAlertCount(1);

    // @todo The remainder of the test is currently disabled due to a bug in the
    //   core page_cache module. We are working around this bug using JavaScript
    //   code which in tested in `CacheWorkAroundTest`. Once the bug is fixed
    //   this can be completed.
    // @see https://www.drupal.org/project/site_alert/issues/3121988
    // @see \Drupal\Tests\block\FunctionalJavascript\SiteAlertCacheWorkaroundTest
    $this
      ->markTestIncomplete();

    // Create a site alert that is scheduled to appear in a few seconds and
    // disappear again a few seconds later.
    $scheduled_alert = SiteAlert::create([
      'active' => TRUE,
      'severity' => 'high',
      'message' => [
        'value' => 'Scheduled alert',
        'format' => 'plain_text',
      ],
      'label' => 'Scheduled',
      'scheduling' => [
        'value' => (new DrupalDateTime('+1 second', DateTimeItemInterface::STORAGE_TIMEZONE))
          ->format(DateTimeItemInterface::DATETIME_STORAGE_FORMAT),
        'end_value' => (new DrupalDateTime('+2 seconds', DateTimeItemInterface::STORAGE_TIMEZONE))
          ->format(DateTimeItemInterface::DATETIME_STORAGE_FORMAT),
      ],
    ]);
    $scheduled_alert
      ->save();

    // Wait until the alert appears.
    $end_time = microtime(TRUE) + 5;
    do {
      $this
        ->drupalGet($url);
    } while (microtime(TRUE) < $end_time && !$this
      ->getSession()
      ->getPage()
      ->hasContent('Scheduled alert'));
    $expected_tags['scheduled'] = "site_alert:{$scheduled_alert->id()}";
    $this
      ->verifyPageCache($url, 'MISS', $expected_tags);
    $this
      ->assertSiteAlertCount(2);
    $end_time = microtime(TRUE) + 5;
    do {
      $this
        ->drupalGet($url);
    } while (microtime(TRUE) < $end_time && $this
      ->getSession()
      ->getPage()
      ->hasContent('Scheduled alert'));
    $this
      ->assertEquals($this
      ->drupalGetHeader('X-Drupal-Cache'), 'HIT');
    $this
      ->assertSiteAlertCount(1);
  }

  /**
   * Provides test cases for ::testPageCache().
   *
   * @return array
   *   An array of test cases, each test case an array with a single value: the
   *   timeout for AJAX refreshing.
   *
   * @see ::testPageCache()
   */
  public function pageCacheProvider() {
    return [
      // Test case using a block that enjoys AJAX refreshments.
      [
        SiteAlertBlock::TIMEOUT_DEFAULT,
      ],
      // Test case using a block with AJAX refreshing of site alerts disabled.
      [
        0,
      ],
    ];
  }

  /**
   * Asserts that the expected number of site alerts is visible on the page.
   *
   * @param int $count
   *   The expected number of site alerts.
   */
  protected function assertSiteAlertCount($count) {
    $alerts = $this
      ->getSession()
      ->getPage()
      ->findAll('css', '.site-alert div.text');
    $this
      ->assertCount($count, $alerts);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AssertHelperTrait::castSafeStrings	protected static	function	Casts MarkupInterface objects into strings.
AssertLegacyTrait::assert	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertTrue() instead.
AssertLegacyTrait::assertCacheTag	protected	function	Asserts whether an expected cache tag was present in the last response.
AssertLegacyTrait::assertElementNotPresent	protected	function	Asserts that the element with the given CSS selector is not present.
AssertLegacyTrait::assertElementPresent	protected	function	Asserts that the element with the given CSS selector is present.
AssertLegacyTrait::assertEqual	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertEquals() instead.
AssertLegacyTrait::assertEscaped	protected	function	Passes if the raw text IS found escaped on the loaded page, fail otherwise.
AssertLegacyTrait::assertField	protected	function	Asserts that a field exists with the given name or ID.
AssertLegacyTrait::assertFieldById	protected	function	Asserts that a field exists with the given ID and value.
AssertLegacyTrait::assertFieldByName	protected	function	Asserts that a field exists with the given name and value.
AssertLegacyTrait::assertFieldByXPath	protected	function	Asserts that a field exists in the current page by the given XPath.
AssertLegacyTrait::assertFieldChecked	protected	function	Asserts that a checkbox field in the current page is checked.
AssertLegacyTrait::assertFieldsByValue	protected	function	Asserts that a field exists in the current page with a given Xpath result.
AssertLegacyTrait::assertHeader	protected	function	Checks that current response header equals value.
AssertLegacyTrait::assertIdentical	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertSame() instead.
AssertLegacyTrait::assertIdenticalObject	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertEquals() instead.
AssertLegacyTrait::assertLink	protected	function	Passes if a link with the specified label is found.
AssertLegacyTrait::assertLinkByHref	protected	function	Passes if a link containing a given href (part) is found.
AssertLegacyTrait::assertNoCacheTag	protected	function	Asserts whether an expected cache tag was absent in the last response.
AssertLegacyTrait::assertNoEscaped	protected	function	Passes if the raw text is not found escaped on the loaded page.
AssertLegacyTrait::assertNoField	protected	function	Asserts that a field does NOT exist with the given name or ID.
AssertLegacyTrait::assertNoFieldById	protected	function	Asserts that a field does not exist with the given ID and value.
AssertLegacyTrait::assertNoFieldByName	protected	function	Asserts that a field does not exist with the given name and value.
AssertLegacyTrait::assertNoFieldByXPath	protected	function	Asserts that a field does not exist or its value does not match, by XPath.
AssertLegacyTrait::assertNoFieldChecked	protected	function	Asserts that a checkbox field in the current page is not checked.
AssertLegacyTrait::assertNoLink	protected	function	Passes if a link with the specified label is not found.
AssertLegacyTrait::assertNoLinkByHref	protected	function	Passes if a link containing a given href (part) is not found.
AssertLegacyTrait::assertNoOption	protected	function	Asserts that a select option does NOT exist in the current page.
AssertLegacyTrait::assertNoPattern	protected	function	Triggers a pass if the Perl regex pattern is not found in the raw content.
AssertLegacyTrait::assertNoRaw	protected	function	Passes if the raw text IS not found on the loaded page, fail otherwise.	1
AssertLegacyTrait::assertNotEqual	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertNotEquals() instead.
AssertLegacyTrait::assertNoText	protected	function	Passes if the page (with HTML stripped) does not contains the text.	1
AssertLegacyTrait::assertNotIdentical	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertNotSame() instead.
AssertLegacyTrait::assertNoUniqueText	protected	function	Passes if the text is found MORE THAN ONCE on the text version of the page.
AssertLegacyTrait::assertOption	protected	function	Asserts that a select option in the current page exists.
AssertLegacyTrait::assertOptionByText	protected	function	Asserts that a select option with the visible text exists.
AssertLegacyTrait::assertOptionSelected	protected	function	Asserts that a select option in the current page is checked.
AssertLegacyTrait::assertPattern	protected	function	Triggers a pass if the Perl regex pattern is found in the raw content.
AssertLegacyTrait::assertRaw	protected	function	Passes if the raw text IS found on the loaded page, fail otherwise.	1
AssertLegacyTrait::assertResponse	protected	function	Asserts the page responds with the specified response code.	1
AssertLegacyTrait::assertText	protected	function	Passes if the page (with HTML stripped) contains the text.	1
AssertLegacyTrait::assertTextHelper	protected	function	Helper for assertText and assertNoText.
AssertLegacyTrait::assertTitle	protected	function	Pass if the page title is the given string.
AssertLegacyTrait::assertUniqueText	protected	function	Passes if the text is found ONLY ONCE on the text version of the page.
AssertLegacyTrait::assertUrl	protected	function	Passes if the internal browser's URL matches the given path.
AssertLegacyTrait::buildXPathQuery	protected	function	Builds an XPath query.
AssertLegacyTrait::constructFieldXpath	protected	function	Helper: Constructs an XPath for the given set of attributes and value.
AssertLegacyTrait::getAllOptions	protected	function	Get all option elements, including nested options, in a select.
AssertLegacyTrait::getRawContent	protected	function	Gets the current raw content.
AssertLegacyTrait::pass	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertTrue() instead.
AssertLegacyTrait::verbose	protected	function
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 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::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::$customTranslations	protected	property	An array of custom translations suitable for drupal_rewrite_settings().
BrowserTestBase::$databasePrefix	protected	property	The database prefix of this test run.
BrowserTestBase::$mink	protected	property	Mink session manager.
BrowserTestBase::$minkDefaultDriverArgs	protected	property
BrowserTestBase::$minkDefaultDriverClass	protected	property		1
BrowserTestBase::$originalContainer	protected	property	The original container.
BrowserTestBase::$originalShutdownCallbacks	protected	property	The original array of shutdown function callbacks.
BrowserTestBase::$preserveGlobalState	protected	property
BrowserTestBase::$profile	protected	property	The profile to install as a basis for testing.	39
BrowserTestBase::$root	protected	property	The app root.
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 Simpletest environment.
BrowserTestBase::config	protected	function	Configuration accessor for tests. Returns non-overridden configuration.
BrowserTestBase::cssSelectToXpath	protected	function	Translates a CSS expression to its XPath equivalent.
BrowserTestBase::drupalGetHeader	protected	function	Gets the value of an HTTP response header.
BrowserTestBase::drupalGetHeaders Deprecated	protected	function	Returns all response headers.
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	Get the Mink driver args from an environment variable, if it is set. Can be overridden in a derived class so it is possible to use a different value for a subset of tests, e.g. the JavaScript tests.	1
BrowserTestBase::getOptions	protected	function	Helper function to get the options of select field.
BrowserTestBase::getResponseLogHandler	protected	function	Provides a Guzzle middleware handler to log every response received. Overrides BrowserHtmlDebugTrait::getResponseLogHandler
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 Simpletest site.	1
BrowserTestBase::registerSessions	protected	function	Registers additional Mink sessions.
BrowserTestBase::tearDown	protected	function		3
BrowserTestBase::translatePostValues	protected	function	Transforms a nested array into a flat array suitable for drupalPostForm().
BrowserTestBase::xpath	protected	function	Performs an xpath search on the contents of the internal browser.
BrowserTestBase::__construct	public	function		1
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
FunctionalTestSetupTrait::$apcuEnsureUniquePrefix	protected	property	The flag to set 'apcu_ensure_unique_prefix' setting.	1
FunctionalTestSetupTrait::$classLoader	protected	property	The class loader to use for installation and initialization of setup.
FunctionalTestSetupTrait::$configDirectories Deprecated	protected	property	The config directories used in this test.
FunctionalTestSetupTrait::$rootUser	protected	property	The "#1" admin user.
FunctionalTestSetupTrait::doInstall	protected	function	Execute the non-interactive installer.	1
FunctionalTestSetupTrait::getDatabaseTypes	protected	function	Returns all supported database driver installer objects.
FunctionalTestSetupTrait::initConfig	protected	function	Initialize various configurations post-installation.	2
FunctionalTestSetupTrait::initKernel	protected	function	Initializes the kernel after installation.
FunctionalTestSetupTrait::initSettings	protected	function	Initialize settings created during install.
FunctionalTestSetupTrait::initUserSession	protected	function	Initializes user 1 for the site to be installed.
FunctionalTestSetupTrait::installDefaultThemeFromClassProperty	protected	function	Installs the default theme defined by `static::$defaultTheme` when needed.
FunctionalTestSetupTrait::installModulesFromClassProperty	protected	function	Install modules defined by `static::$modules`.	1
FunctionalTestSetupTrait::installParameters	protected	function	Returns the parameters that will be used when Simpletest installs Drupal.	9
FunctionalTestSetupTrait::prepareEnvironment	protected	function	Prepares the current environment for running the test.	23
FunctionalTestSetupTrait::prepareRequestForGenerator	protected	function	Creates a mock request and sets it on the generator.
FunctionalTestSetupTrait::prepareSettings	protected	function	Prepares site settings and services before installation.	2
FunctionalTestSetupTrait::rebuildAll	protected	function	Resets and rebuilds the environment after setup.
FunctionalTestSetupTrait::rebuildContainer	protected	function	Rebuilds \Drupal::getContainer().
FunctionalTestSetupTrait::resetAll	protected	function	Resets all data structures after having enabled new modules.
FunctionalTestSetupTrait::setContainerParameter	protected	function	Changes parameters in the services.yml file.
FunctionalTestSetupTrait::setupBaseUrl	protected	function	Sets up the base URL based upon the environment variable.
FunctionalTestSetupTrait::writeSettings	protected	function	Rewrites the settings.php file of the test site.
NodeCreationTrait::createNode	protected	function	Creates a node based on default settings. Aliased as: drupalCreateNode
NodeCreationTrait::getNodeByTitle	public	function	Get a node from the database based on its title. Aliased as: drupalGetNodeByTitle
PageCacheTagsTestBase::$dumpHeaders	protected	property	Always enable header dumping in page cache tags tests, this aids debugging.
PageCacheTagsTestBase::setUp	protected	function	Overrides BrowserTestBase::setUp
PageCacheTagsTestBase::verifyDynamicPageCache	protected	function	Verify that when loading a given page, it's a page cache hit or miss.
PageCacheTagsTestBase::verifyPageCache	protected	function	Verify that when loading a given page, it's a page cache hit or miss.
PhpunitCompatibilityTrait::getMock Deprecated	public	function	Returns a mock object for the specified class using the available method.
PhpunitCompatibilityTrait::setExpectedException Deprecated	public	function	Compatibility layer for PHPUnit 6 to support PHPUnit 4 code.
RandomGeneratorTrait::$randomGenerator	protected	property	The random generator.
RandomGeneratorTrait::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
RandomGeneratorTrait::randomMachineName	protected	function	Generates a unique random string containing letters and numbers.	1
RandomGeneratorTrait::randomObject	public	function	Generates a random PHP object.
RandomGeneratorTrait::randomString	public	function	Generates a pseudo-random string of ASCII characters of codes 32 to 126.
RandomGeneratorTrait::randomStringValidate	public	function	Callback for random string validation.
RefreshVariablesTrait::refreshVariables	protected	function	Refreshes in-memory configuration and state information.	3
SessionTestTrait::$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.
SiteAlertCacheTest::$defaultTheme	protected	property	The theme to install as the default for testing. Overrides BrowserTestBase::$defaultTheme
SiteAlertCacheTest::$modules	protected static	property	Modules to enable. Overrides BrowserTestBase::$modules
SiteAlertCacheTest::assertSiteAlertCount	protected	function	Asserts that the expected number of site alerts is visible on the page.
SiteAlertCacheTest::pageCacheProvider	public	function	Provides test cases for ::testPageCache().
SiteAlertCacheTest::testPageCache	public	function	Tests that the page cache varies correctly by the currently active alerts.
StorageCopyTrait::replaceStorageContents	protected static	function	Copy the configuration from one storage to another and remove stale items.
TestRequirementsTrait::checkModuleRequirements	private	function	Checks missing module requirements.
TestRequirementsTrait::checkRequirements	protected	function	Check module requirements for the Drupal use case.	1
TestRequirementsTrait::getDrupalRoot	protected static	function	Returns the Drupal root directory.
TestSetupTrait::$configSchemaCheckerExclusions	protected static	property	An array of config object names that are excluded from schema checking.
TestSetupTrait::$container	protected	property	The dependency injection container used in the test.
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::$siteDirectory	protected	property	The site directory of this test run.
TestSetupTrait::$strictConfigSchema	protected	property	Set to TRUE to strict check all configuration saved.	2
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	public static	function	Returns the database connection to the site running Simpletest.
TestSetupTrait::prepareDatabasePrefix	protected	function	Generates a database prefix for running tests.	2
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::assertSession	public	function	Returns WebAssert object.	1
UiHelperTrait::buildUrl	protected	function	Builds an a 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::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::drupalPostForm	protected	function	Executes a form submission.
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::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.