class HelpTopicsSyntaxTest in Drupal 8

Same name and namespace in other branches

9 core/modules/help_topics/tests/src/Functional/HelpTopicsSyntaxTest.php \Drupal\Tests\help_topics\Functional\HelpTopicsSyntaxTest
10 core/modules/help_topics/tests/src/Functional/HelpTopicsSyntaxTest.php \Drupal\Tests\help_topics\Functional\HelpTopicsSyntaxTest

Verifies that all core Help topics can be rendered and comply with standards.

@todo This test should eventually be folded into Drupal\Tests\system\Functional\Module\InstallUninstallTest when help_topics becomes stable, so that it will test with only one module at a time installed and not duplicate the effort of installing. See issue https://www.drupal.org/project/drupal/issues/3074040

@group help_topics

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\help_topics\Functional\HelpTopicsSyntaxTest uses DeprecatedModulesTestTrait

Expanded class hierarchy of HelpTopicsSyntaxTest

File

core/modules/help_topics/tests/src/Functional/HelpTopicsSyntaxTest.php, line 21

Namespace

Drupal\Tests\help_topics\Functional

View source

class HelpTopicsSyntaxTest extends BrowserTestBase {
  use DeprecatedModulesTestTrait;

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

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

  /**
   * Tests that all Core help topics can be rendered and have good syntax.
   */
  public function testHelpTopics() {
    $this
      ->drupalLogin($this->rootUser);

    // Enable all modules and themes, so that all routes mentioned in topics
    // will be defined.
    $module_directories = $this
      ->listDirectories('module');
    $modules_to_install = array_keys($module_directories);
    $modules_to_install = $this
      ->removeDeprecatedModules($modules_to_install);
    \Drupal::service('module_installer')
      ->install($modules_to_install);
    $theme_directories = $this
      ->listDirectories('theme');
    \Drupal::service('theme_installer')
      ->install(array_keys($theme_directories));
    $directories = $module_directories + $theme_directories + $this
      ->listDirectories('profile');
    $directories['core'] = \Drupal::service('app.root') . '/core/help_topics';
    $directories['bad_help_topics'] = \Drupal::service('extension.list.module')
      ->getPath('help_topics_test') . '/bad_help_topics/syntax/';

    // Filter out directories outside of core. If you want to run this test
    // on a contrib/custom module, remove the next line.
    $directories = array_filter($directories, function ($directory) {
      return strpos($directory, 'core') === 0;
    });

    // Verify that a few key modules, themes, and profiles are listed, so that
    // we can be certain our directory list is complete and we will be testing
    // all existing help topics. If these lines in the test fail in the future,
    // it is probably because something we chose to list here is being removed.
    // Substitute another item of the same type that still exists, so that this
    // test can continue.
    $this
      ->assertArrayHasKey('system', $directories, 'System module is being scanned');
    $this
      ->assertArrayHasKey('help', $directories, 'Help module is being scanned');
    $this
      ->assertArrayHasKey('seven', $directories, 'Seven theme is being scanned');
    $this
      ->assertArrayHasKey('standard', $directories, 'Standard profile is being scanned');
    $definitions = (new HelpTopicDiscovery($directories))
      ->getDefinitions();
    $this
      ->assertGreaterThan(0, count($definitions), 'At least 1 topic was found');

    // Test each topic for compliance with standards, or for failing in the
    // right way.
    foreach (array_keys($definitions) as $id) {
      if (strpos($id, 'bad_help_topics.') === 0) {
        $this
          ->verifyBadTopic($id, $definitions);
      }
      else {
        $this
          ->verifyTopic($id, $definitions);
      }
    }
  }

  /**
   * Verifies rendering and standards compliance of one help topic.
   *
   * @param string $id
   *   ID of the topic to verify.
   * @param array $definitions
   *   Array of all topic definitions, keyed by ID.
   * @param int $response
   *   Expected response from visiting the page for the topic.
   */
  protected function verifyTopic($id, $definitions, $response = 200) {
    $definition = $definitions[$id];

    // Visit the URL for the topic.
    $this
      ->drupalGet('admin/help/topic/' . $id);

    // Verify the title and response.
    $session = $this
      ->assertSession();
    $session
      ->statusCodeEquals($response);
    if ($response == 200) {
      $session
        ->titleEquals($definition['label'] . ' | Drupal');
    }

    // Verify that all the related topics exist. Also check to see if any of
    // them are top-level (we will need that in the next section).
    $has_top_level_related = FALSE;
    if (isset($definition['related'])) {
      foreach ($definition['related'] as $related_id) {
        $this
          ->assertArrayHasKey($related_id, $definitions, 'Topic ' . $id . ' is only related to topics that exist (' . $related_id . ')');
        $has_top_level_related = $has_top_level_related || !empty($definitions[$related_id]['top_level']);
      }
    }

    // Verify this is either top-level or related to a top-level topic.
    $this
      ->assertTrue(!empty($definition['top_level']) || $has_top_level_related, 'Topic ' . $id . ' is either top-level or related to at least one other top-level topic');

    // Verify that the label is not empty.
    $this
      ->assertNotEmpty($definition['label'], 'Topic ' . $id . ' has a non-empty label');

    // Read in the file so we can run some tests on that.
    $body = file_get_contents($definition[HelpTopicDiscovery::FILE_KEY]);
    $this
      ->assertNotEmpty($body, 'Topic ' . $id . ' has a non-empty Twig file');

    // Remove the front matter data (already tested above), and Twig set and
    // variable printouts from the file.
    $body = preg_replace('|---.*---|sU', '', $body);
    $body = preg_replace('|\\{\\{.*\\}\\}|sU', '', $body);
    $body = preg_replace('|\\{\\% set.*\\%\\}|sU', '', $body);
    $body = trim($body);
    $this
      ->assertNotEmpty($body, 'Topic ' . $id . ' Twig file contains some text outside of front matter');

    // Verify that if we remove all the translated text, whitespace, and
    // HTML tags, there is nothing left (that is, all text is translated).
    $text = preg_replace('|\\{\\% trans \\%\\}.*\\{\\% endtrans \\%\\}|sU', '', $body);
    $text = strip_tags($text);
    $text = preg_replace('|\\s+|', '', $text);
    $this
      ->assertEmpty($text, 'Topic ' . $id . ' Twig file has all of its text translated');

    // Load the topic body as HTML and verify that it parses.
    $doc = new \DOMDocument();
    $doc->strictErrorChecking = TRUE;
    $doc->validateOnParse = TRUE;
    libxml_use_internal_errors(TRUE);
    if (!$doc
      ->loadHTML($body)) {
      foreach (libxml_get_errors() as $error) {
        $this
          ->fail($error->message);
      }
      libxml_clear_errors();
    }

    // Check for headings hierarchy.
    $levels = [
      1,
      2,
      3,
      4,
      5,
      6,
    ];
    foreach ($levels as $level) {
      $num_headings[$level] = $doc
        ->getElementsByTagName('h' . $level)->length;
      if ($level == 1) {
        $this
          ->assertSame(0, $num_headings[1], 'Topic ' . $id . ' has no H1 tag');

        // Set num_headings to 1 for this level, so the rest of the hierarchy
        // can be tested using simpler code.
        $num_headings[1] = 1;
      }
      else {

        // We should either not have this heading, or if we do have one at this
        // level, we should also have the next-smaller level. That is, if we
        // have an h3, we should have also had an h2.
        $this
          ->assertTrue($num_headings[$level - 1] > 0 || $num_headings[$level] == 0, 'Topic ' . $id . ' has the correct H2-H6 heading hierarchy');
      }
    }
  }

  /**
   * Verifies that a bad topic fails in the expected way.
   *
   * @param string $id
   *   ID of the topic to verify. It should start with "bad_help_topics.".
   * @param array $definitions
   *   Array of all topic definitions, keyed by ID.
   */
  protected function verifyBadTopic($id, $definitions) {
    $bad_topic_type = substr($id, 16);

    // Topics should fail verifyTopic() in specific ways.
    try {
      $this
        ->verifyTopic($id, $definitions, 404);
    } catch (ExpectationFailedException $e) {
      $message = $e
        ->getMessage();
      switch ($bad_topic_type) {
        case 'related':
          $this
            ->assertStringContainsString('only related to topics that exist', $message);
          break;
        case 'bad_html':
          $this
            ->assertStringContainsString('Unexpected end tag', $message);
          break;
        case 'top_level':
          $this
            ->assertStringContainsString('is either top-level or related to at least one other top-level topic', $message);
          break;
        case 'empty':
          $this
            ->assertStringContainsString('contains some text outside of front matter', $message);
          break;
        case 'translated':
          $this
            ->assertStringContainsString('Twig file has all of its text translated', $message);
          break;
        case 'h1':
          $this
            ->assertStringContainsString('has no H1 tag', $message);
          break;
        case 'hierarchy':
          $this
            ->assertStringContainsString('has the correct H2-H6 heading hierarchy', $message);
          break;
        default:

          // This was an unexpected error.
          throw $e;
      }
    }
  }

  /**
   * Lists the extension help topic directories of a certain type.
   *
   * @param string $type
   *   The type of extension to list: module, theme, or profile.
   *
   * @return string[]
   *   An array of all of the help topic directories for this type of
   *   extension, keyed by extension short name.
   */
  protected function listDirectories($type) {
    $directories = [];

    // Find the extensions of this type, even if they are not installed, but
    // excluding test ones.
    $lister = \Drupal::service('extension.list.' . $type);
    foreach (array_keys($lister
      ->getAllAvailableInfo()) as $name) {
      $path = $lister
        ->getPath($name);

      // You can tell test modules because they are in package 'Testing', but
      // test themes are only known by being found in test directories. So...
      // exclude things in test directories.
      if (strpos($path, '/tests') === FALSE && strpos($path, '/testing') === FALSE) {
        $directories[$name] = $path . '/help_topics';
      }
    }
    return $directories;
  }

}

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::setUp	protected	function		475
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
DeprecatedModulesTestTrait::$deprecatedModules	protected	property	List of deprecated modules names to not be enabled for tests.
DeprecatedModulesTestTrait::$excludeDeprecated	protected	property	Flag to exclude deprecated modules from the tests.	12
DeprecatedModulesTestTrait::enableModules	protected	function	Overrides \Drupal\KernelTests\KernelTestBase::enableModules().
DeprecatedModulesTestTrait::removeDeprecatedModules	protected	function	Removes deprecated modules from the provided modules.list.
FunctionalTestSetupTrait::$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::$modules`.	1
FunctionalTestSetupTrait::installParameters	protected	function	Returns the parameters that will be used when Simpletest installs Drupal.	9
FunctionalTestSetupTrait::prepareEnvironment	protected	function	Prepares the current environment for running the test.	23
FunctionalTestSetupTrait::prepareRequestForGenerator	protected	function	Creates a mock request and sets it on the generator.
FunctionalTestSetupTrait::prepareSettings	protected	function	Prepares site settings and services before installation.	2
FunctionalTestSetupTrait::rebuildAll	protected	function	Resets and rebuilds the environment after setup.
FunctionalTestSetupTrait::rebuildContainer	protected	function	Rebuilds \Drupal::getContainer().
FunctionalTestSetupTrait::resetAll	protected	function	Resets all data structures after having enabled new modules.
FunctionalTestSetupTrait::setContainerParameter	protected	function	Changes parameters in the services.yml file.
FunctionalTestSetupTrait::setupBaseUrl	protected	function	Sets up the base URL based upon the environment variable.
FunctionalTestSetupTrait::writeSettings	protected	function	Rewrites the settings.php file of the test site.
HelpTopicsSyntaxTest::$defaultTheme	protected	property	The theme to install as the default for testing. Overrides BrowserTestBase::$defaultTheme
HelpTopicsSyntaxTest::$modules	protected static	property	Modules to enable. Overrides BrowserTestBase::$modules
HelpTopicsSyntaxTest::listDirectories	protected	function	Lists the extension help topic directories of a certain type.
HelpTopicsSyntaxTest::testHelpTopics	public	function	Tests that all Core help topics can be rendered and have good syntax.
HelpTopicsSyntaxTest::verifyBadTopic	protected	function	Verifies that a bad topic fails in the expected way.
HelpTopicsSyntaxTest::verifyTopic	protected	function	Verifies rendering and standards compliance of one help topic.
NodeCreationTrait::createNode	protected	function	Creates a node based on default settings. Aliased as: drupalCreateNode
NodeCreationTrait::getNodeByTitle	public	function	Get a node from the database based on its title. Aliased as: drupalGetNodeByTitle
PhpunitCompatibilityTrait::getMock Deprecated	public	function	Returns a mock object for the specified class using the available method.
PhpunitCompatibilityTrait::setExpectedException Deprecated	public	function	Compatibility layer for PHPUnit 6 to support PHPUnit 4 code.
RandomGeneratorTrait::$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::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.

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class HelpTopicsSyntaxTest in Drupal 8

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