class AjaxTest in Drupal 8

Same name and namespace in other branches

9 core/tests/Drupal/FunctionalJavascriptTests/Ajax/AjaxTest.php \Drupal\FunctionalJavascriptTests\Ajax\AjaxTest
10 core/tests/Drupal/FunctionalJavascriptTests/Ajax/AjaxTest.php \Drupal\FunctionalJavascriptTests\Ajax\AjaxTest

Tests AJAX responses.

@group Ajax

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\FunctionalJavascriptTests\WebDriverTestBase
  - class \Drupal\FunctionalJavascriptTests\Ajax\AjaxTest

Expanded class hierarchy of AjaxTest

File

core/tests/Drupal/FunctionalJavascriptTests/Ajax/AjaxTest.php, line 12

Namespace

Drupal\FunctionalJavascriptTests\Ajax

View source

class AjaxTest extends WebDriverTestBase {

  /**
   * {@inheritdoc}
   */
  public static $modules = [
    'ajax_test',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  public function testAjaxWithAdminRoute() {
    \Drupal::service('theme_installer')
      ->install([
      'stable',
      'seven',
    ]);
    $theme_config = \Drupal::configFactory()
      ->getEditable('system.theme');
    $theme_config
      ->set('admin', 'seven');
    $theme_config
      ->set('default', 'stable');
    $theme_config
      ->save();
    $account = $this
      ->drupalCreateUser([
      'view the administration theme',
    ]);
    $this
      ->drupalLogin($account);

    // First visit the site directly via the URL. This should render it in the
    // admin theme.
    $this
      ->drupalGet('admin/ajax-test/theme');
    $assert = $this
      ->assertSession();
    $assert
      ->pageTextContains('Current theme: seven');

    // Now click the modal, which should also use the admin theme.
    $this
      ->drupalGet('ajax-test/dialog');
    $assert
      ->pageTextNotContains('Current theme: stable');
    $this
      ->clickLink('Link 8 (ajax)');
    $assert
      ->assertWaitOnAjaxRequest();
    $assert
      ->pageTextContains('Current theme: stable');
    $assert
      ->pageTextNotContains('Current theme: seven');
  }

  /**
   * Test that AJAX loaded libraries are not retained between requests.
   *
   * @see https://www.drupal.org/node/2647916
   */
  public function testDrupalSettingsCachingRegression() {
    $this
      ->drupalGet('ajax-test/dialog');
    $assert = $this
      ->assertSession();
    $session = $this
      ->getSession();

    // Insert a fake library into the already loaded library settings.
    $fake_library = 'fakeLibrary/fakeLibrary';
    $session
      ->evaluateScript("drupalSettings.ajaxPageState.libraries = drupalSettings.ajaxPageState.libraries + ',{$fake_library}';");
    $libraries = $session
      ->evaluateScript('drupalSettings.ajaxPageState.libraries');

    // Test that the fake library is set.
    $this
      ->assertStringContainsString($fake_library, $libraries);

    // Click on the AJAX link.
    $this
      ->clickLink('Link 8 (ajax)');
    $assert
      ->assertWaitOnAjaxRequest();

    // Test that the fake library is still set after the AJAX call.
    $libraries = $session
      ->evaluateScript('drupalSettings.ajaxPageState.libraries');
    $this
      ->assertStringContainsString($fake_library, $libraries);

    // Reload the page, this should reset the loaded libraries and remove the
    // fake library.
    $this
      ->drupalGet('ajax-test/dialog');
    $libraries = $session
      ->evaluateScript('drupalSettings.ajaxPageState.libraries');
    $this
      ->assertStringNotContainsString($fake_library, $libraries);

    // Click on the AJAX link again, and the libraries should still not contain
    // the fake library.
    $this
      ->clickLink('Link 8 (ajax)');
    $assert
      ->assertWaitOnAjaxRequest();
    $libraries = $session
      ->evaluateScript('drupalSettings.ajaxPageState.libraries');
    $this
      ->assertStringNotContainsString($fake_library, $libraries);
  }

  /**
   * Tests that various AJAX responses with DOM elements are correctly inserted.
   *
   * After inserting DOM elements, Drupal JavaScript behaviors should be
   * reattached and all top-level elements of type Node.ELEMENT_NODE need to be
   * part of the context.
   */
  public function testInsertAjaxResponse() {
    $render_single_root = [
      'pre-wrapped-div' => '<div class="pre-wrapped">pre-wrapped<script> var test;</script></div>',
      'pre-wrapped-span' => '<span class="pre-wrapped">pre-wrapped<script> var test;</script></span>',
      'pre-wrapped-whitespace' => ' <div class="pre-wrapped-whitespace">pre-wrapped-whitespace</div>' . "\n",
      'not-wrapped' => 'not-wrapped',
      'comment-string-not-wrapped' => '<!-- COMMENT -->comment-string-not-wrapped',
      'comment-not-wrapped' => '<!-- COMMENT --><div class="comment-not-wrapped">comment-not-wrapped</div>',
      'svg' => '<svg xmlns="http://www.w3.org/2000/svg" width="10" height="10"><rect x="0" y="0" height="10" width="10" fill="green"/></svg>',
      'empty' => '',
    ];
    $render_multiple_root_unwrapper = [
      'mixed' => ' foo <!-- COMMENT -->  foo bar<div class="a class"><p>some string</p></div> additional not wrapped strings, <!-- ANOTHER COMMENT --> <p>final string</p>',
      'top-level-only' => '<div>element #1</div><div>element #2</div>',
      'top-level-only-pre-whitespace' => ' <div>element #1</div><div>element #2</div> ',
      'top-level-only-middle-whitespace-span' => '<span>element #1</span> <span>element #2</span>',
      'top-level-only-middle-whitespace-div' => '<div>element #1</div> <div>element #2</div>',
    ];

    // This is temporary behavior for BC reason.
    $render_multiple_root_wrapper = [];
    foreach ($render_multiple_root_unwrapper as $key => $render) {
      $render_multiple_root_wrapper["{$key}--effect"] = '<div>' . $render . '</div>';
    }
    $expected_renders = array_merge($render_single_root, $render_multiple_root_wrapper, $render_multiple_root_unwrapper);

    // Checking default process of wrapping Ajax content.
    foreach ($expected_renders as $render_type => $expected) {
      $this
        ->assertInsert($render_type, $expected);
    }

    // Checking custom ajaxWrapperMultipleRootElements wrapping.
    $custom_wrapper_multiple_root = <<<JS
    (function(\$, Drupal){
      Drupal.theme.ajaxWrapperMultipleRootElements = function (elements) {
        return \$('<div class="my-favorite-div"></div>').append(elements);
      };
    }(jQuery, Drupal));
JS;
    $expected = '<div class="my-favorite-div"><span>element #1</span> <span>element #2</span></div>';
    $this
      ->assertInsert('top-level-only-middle-whitespace-span--effect', $expected, $custom_wrapper_multiple_root);

    // Checking custom ajaxWrapperNewContent wrapping.
    $custom_wrapper_new_content = <<<JS
    (function(\$, Drupal){
      Drupal.theme.ajaxWrapperNewContent = function (elements) {
        return \$('<div class="div-wrapper-forever"></div>').append(elements);
      };
    }(jQuery, Drupal));
JS;
    $expected = '<div class="div-wrapper-forever"></div>';
    $this
      ->assertInsert('empty', $expected, $custom_wrapper_new_content);
  }

  /**
   * Assert insert.
   *
   * @param string $render_type
   *   Render type.
   * @param string $expected
   *   Expected result.
   * @param string $script
   *   Script for additional theming.
   */
  public function assertInsert($render_type, $expected, $script = '') {

    // Check insert to block element.
    $this
      ->drupalGet('ajax-test/insert-block-wrapper');
    $this
      ->getSession()
      ->executeScript($script);
    $this
      ->clickLink("Link html {$render_type}");
    $this
      ->assertWaitPageContains('<div class="ajax-target-wrapper"><div id="ajax-target">' . $expected . '</div></div>');
    $this
      ->drupalGet('ajax-test/insert-block-wrapper');
    $this
      ->getSession()
      ->executeScript($script);
    $this
      ->clickLink("Link replaceWith {$render_type}");
    $this
      ->assertWaitPageContains('<div class="ajax-target-wrapper">' . $expected . '</div>');

    // Check insert to inline element.
    $this
      ->drupalGet('ajax-test/insert-inline-wrapper');
    $this
      ->getSession()
      ->executeScript($script);
    $this
      ->clickLink("Link html {$render_type}");
    $this
      ->assertWaitPageContains('<div class="ajax-target-wrapper"><span id="ajax-target-inline">' . $expected . '</span></div>');
    $this
      ->drupalGet('ajax-test/insert-inline-wrapper');
    $this
      ->getSession()
      ->executeScript($script);
    $this
      ->clickLink("Link replaceWith {$render_type}");
    $this
      ->assertWaitPageContains('<div class="ajax-target-wrapper">' . $expected . '</div>');
  }

  /**
   * Asserts that page contains an expected value after waiting.
   *
   * @param string $expected
   *   A needle text.
   */
  protected function assertWaitPageContains($expected) {
    $page = $this
      ->getSession()
      ->getPage();
    $this
      ->assertTrue($page
      ->waitFor(10, function () use ($page, $expected) {

      // Clear content from empty styles and "processed" classes after effect.
      $content = str_replace([
        ' class="processed"',
        ' processed',
        ' style=""',
      ], '', $page
        ->getContent());
      return stripos($content, $expected) !== FALSE;
    }), "Page contains expected value: {$expected}");
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AjaxTest::$defaultTheme	protected	property	The theme to install as the default for testing. Overrides BrowserTestBase::$defaultTheme
AjaxTest::$modules	public static	property	Modules to enable. Overrides BrowserTestBase::$modules
AjaxTest::assertInsert	public	function	Assert insert.
AjaxTest::assertWaitPageContains	protected	function	Asserts that page contains an expected value after waiting.
AjaxTest::testAjaxWithAdminRoute	public	function
AjaxTest::testDrupalSettingsCachingRegression	public	function	Test that AJAX loaded libraries are not retained between requests.
AjaxTest::testInsertAjaxResponse	public	function	Tests that various AJAX responses with DOM elements are correctly inserted.
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::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::$originalContainer	protected	property	The original container.
BrowserTestBase::$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::getHttpClient	protected	function	Obtain the HTTP client for the system under test.
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::installDrupal	public	function	Installs Drupal into the Simpletest site.	1
BrowserTestBase::registerSessions	protected	function	Registers additional Mink sessions.
BrowserTestBase::setUp	protected	function		475
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::$defaultTheme` when needed.
FunctionalTestSetupTrait::installParameters	protected	function	Returns the parameters that will be used when Simpletest installs Drupal.	9
FunctionalTestSetupTrait::prepareEnvironment	protected	function	Prepares the current environment for running the test.	23
FunctionalTestSetupTrait::prepareRequestForGenerator	protected	function	Creates a mock request and sets it on the generator.
FunctionalTestSetupTrait::prepareSettings	protected	function	Prepares site settings and services before installation.	2
FunctionalTestSetupTrait::rebuildAll	protected	function	Resets and rebuilds the environment after setup.
FunctionalTestSetupTrait::rebuildContainer	protected	function	Rebuilds \Drupal::getContainer().
FunctionalTestSetupTrait::resetAll	protected	function	Resets all data structures after having enabled new modules.
FunctionalTestSetupTrait::setContainerParameter	protected	function	Changes parameters in the services.yml file.
FunctionalTestSetupTrait::setupBaseUrl	protected	function	Sets up the base URL based upon the environment variable.
FunctionalTestSetupTrait::writeSettings	protected	function	Rewrites the settings.php file of the test site.
NodeCreationTrait::createNode	protected	function	Creates a node based on default settings. Aliased as: drupalCreateNode
NodeCreationTrait::getNodeByTitle	public	function	Get a node from the database based on its title. Aliased as: drupalGetNodeByTitle
PhpunitCompatibilityTrait::getMock Deprecated	public	function	Returns a mock object for the specified class using the available method.
PhpunitCompatibilityTrait::setExpectedException Deprecated	public	function	Compatibility layer for PHPUnit 6 to support PHPUnit 4 code.
RandomGeneratorTrait::$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::$sessionName	protected	property	The name of the session cookie.
SessionTestTrait::generateSessionName	protected	function	Generates a session cookie name.
SessionTestTrait::getSessionName	protected	function	Returns the session name in use on the child site.
StorageCopyTrait::replaceStorageContents	protected static	function	Copy the configuration from one storage to another and remove stale items.
TestRequirementsTrait::checkModuleRequirements	private	function	Checks missing module requirements.
TestRequirementsTrait::checkRequirements	protected	function	Check module requirements for the Drupal use case.	1
TestRequirementsTrait::getDrupalRoot	protected static	function	Returns the Drupal root directory.
TestSetupTrait::$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::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.
WebDriverTestBase::$disableCssAnimations	protected	property	Disables CSS animations in tests for more reliable testing.
WebDriverTestBase::$minkDefaultDriverClass	protected	property	To use a legacy phantomjs based approach, please use PhantomJSDriver::class. Overrides BrowserTestBase::$minkDefaultDriverClass	2
WebDriverTestBase::assertElementNotVisible Deprecated	protected	function	Asserts that the element with the given CSS selector is not visible.
WebDriverTestBase::assertElementVisible Deprecated	protected	function	Asserts that the element with the given CSS selector is visible.
WebDriverTestBase::assertJsCondition	protected	function	Waits for the given time or until the given JS condition becomes TRUE.
WebDriverTestBase::assertSession	public	function	Returns WebAssert object. Overrides UiHelperTrait::assertSession	1
WebDriverTestBase::createScreenshot	protected	function	Creates a screenshot.
WebDriverTestBase::getDrupalSettings	protected	function	Gets the current Drupal javascript settings and parses into an array. Overrides BrowserTestBase::getDrupalSettings
WebDriverTestBase::getHtmlOutputHeaders	protected	function	Returns headers in HTML output format. Overrides BrowserHtmlDebugTrait::getHtmlOutputHeaders
WebDriverTestBase::getMinkDriverArgs	protected	function	Get the Mink driver args from an environment variable, if it is set. Can be overridden in a derived class so it is possible to use a different value for a subset of tests, e.g. the JavaScript tests. Overrides BrowserTestBase::getMinkDriverArgs
WebDriverTestBase::initFrontPage	protected	function	Visits the front page when initializing Mink. Overrides BrowserTestBase::initFrontPage
WebDriverTestBase::initMink	protected	function	Initializes Mink sessions. Overrides BrowserTestBase::initMink	1
WebDriverTestBase::installModulesFromClassProperty	protected	function	Install modules defined by `static::$modules`. Overrides FunctionalTestSetupTrait::installModulesFromClassProperty
WebDriverTestBase::tearDown	protected	function	Overrides BrowserTestBase::tearDown	1
XdebugRequestTrait::extractCookiesFromRequest	protected	function	Adds xdebug cookies, from request setup.

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class AjaxTest in Drupal 8

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