class ThemeTest in Drupal 8

Tests low-level theme functions.

@group Theme

Hierarchy

• class \Drupal\KernelTests\KernelTestBase extends \PHPUnit\Framework\TestCase implements ServiceProviderInterface uses AssertContentTrait, AssertLegacyTrait, AssertHelperTrait, ConfigTestTrait, PhpunitCompatibilityTrait, RandomGeneratorTrait, TestRequirementsTrait
  • class \Drupal\Tests\system\Kernel\Theme\ThemeTest

File

core/modules/system/tests/src/Kernel/Theme/ThemeTest.php, line 14

Namespace

Drupal\Tests\system\Kernel\Theme

class ThemeTest extends KernelTestBase {

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

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();
    \Drupal::service('theme_installer')
      ->install([
      'test_theme',
    ]);
  }

  /**
   * Test attribute merging.
   *
   * Render arrays that use a render element and templates (and hence call
   * template_preprocess()) must ensure the attributes at different occasions
   * are all merged correctly:
   *   - $variables['attributes'] as passed in to the theme hook implementation.
   *   - the render element's #attributes
   *   - any attributes set in the template's preprocessing function
   */
  public function testAttributeMerging() {
    $theme_test_render_element = [
      'elements' => [
        '#attributes' => [
          'data-foo' => 'bar',
        ],
      ],
      'attributes' => [
        'id' => 'bazinga',
      ],
    ];
    $this
      ->assertThemeOutput('theme_test_render_element', $theme_test_render_element, '<div id="bazinga" data-foo="bar" data-variables-are-preprocessed></div>' . "\n");
  }

  /**
   * Test that ThemeManager renders the expected data types.
   */
  public function testThemeDataTypes() {

    // theme_test_false is an implemented theme hook so \Drupal::theme() service
    // should return a string or an object that implements MarkupInterface,
    // even though the theme function itself can return anything.
    $foos = [
      'null' => NULL,
      'false' => FALSE,
      'integer' => 1,
      'string' => 'foo',
      'empty_string' => '',
    ];
    foreach ($foos as $type => $example) {
      $output = \Drupal::theme()
        ->render('theme_test_foo', [
        'foo' => $example,
      ]);
      $this
        ->assertTrue($output instanceof MarkupInterface || is_string($output), new FormattableMarkup('\\Drupal::theme() returns an object that implements MarkupInterface or a string for data type @type.', [
        '@type' => $type,
      ]));
      if ($output instanceof MarkupInterface) {
        $this
          ->assertIdentical((string) $example, $output
          ->__toString());
      }
      elseif (is_string($output)) {
        $this
          ->assertIdentical($output, '', 'A string will be return when the theme returns an empty string.');
      }
    }

    // suggestionnotimplemented is not an implemented theme hook so \Drupal::theme() service
    // should return FALSE instead of a string.
    $output = \Drupal::theme()
      ->render([
      'suggestionnotimplemented',
    ], []);
    $this
      ->assertIdentical($output, FALSE, '\\Drupal::theme() returns FALSE when a hook suggestion is not implemented.');
  }

  /**
   * Test function theme_get_suggestions() for SA-CORE-2009-003.
   */
  public function testThemeSuggestions() {

    // Set the front page as something random otherwise the CLI
    // test runner fails.
    $this
      ->config('system.site')
      ->set('page.front', '/nobody-home')
      ->save();
    $args = [
      'node',
      '1',
      'edit',
    ];
    $suggestions = theme_get_suggestions($args, 'page');
    $this
      ->assertEqual($suggestions, [
      'page__node',
      'page__node__%',
      'page__node__1',
      'page__node__edit',
    ], 'Found expected node edit page suggestions');

    // Check attack vectors.
    $args = [
      'node',
      '\\1',
    ];
    $suggestions = theme_get_suggestions($args, 'page');
    $this
      ->assertEqual($suggestions, [
      'page__node',
      'page__node__%',
      'page__node__1',
    ], 'Removed invalid \\ from suggestions');
    $args = [
      'node',
      '1/',
    ];
    $suggestions = theme_get_suggestions($args, 'page');
    $this
      ->assertEqual($suggestions, [
      'page__node',
      'page__node__%',
      'page__node__1',
    ], 'Removed invalid / from suggestions');
    $args = [
      'node',
      "1\0",
    ];
    $suggestions = theme_get_suggestions($args, 'page');
    $this
      ->assertEqual($suggestions, [
      'page__node',
      'page__node__%',
      'page__node__1',
    ], 'Removed invalid \\0 from suggestions');

    // Define path with hyphens to be used to generate suggestions.
    $args = [
      'node',
      '1',
      'hyphen-path',
    ];
    $result = [
      'page__node',
      'page__node__%',
      'page__node__1',
      'page__node__hyphen_path',
    ];
    $suggestions = theme_get_suggestions($args, 'page');
    $this
      ->assertEqual($suggestions, $result, 'Found expected page suggestions for paths containing hyphens.');
  }

  /**
   * Test the listInfo() function.
   */
  public function testListThemes() {
    $this->container
      ->get('theme_installer')
      ->install([
      'test_subtheme',
    ]);
    $theme_handler = $this->container
      ->get('theme_handler');
    $themes = $theme_handler
      ->listInfo();

    // Check if ThemeHandlerInterface::listInfo() retrieves enabled themes.
    $this
      ->assertIdentical(1, $themes['test_theme']->status, 'Installed theme detected');

    // Check if ThemeHandlerInterface::listInfo() returns disabled themes.
    // Check for base theme and subtheme lists.
    $base_theme_list = [
      'test_basetheme' => 'Theme test base theme',
    ];
    $sub_theme_list = [
      'test_subsubtheme' => 'Theme test subsubtheme',
      'test_subtheme' => 'Theme test subtheme',
    ];
    $this
      ->assertIdentical($themes['test_basetheme']->sub_themes, $sub_theme_list, 'Base theme\'s object includes list of subthemes.');
    $this
      ->assertIdentical($themes['test_subtheme']->base_themes, $base_theme_list, 'Subtheme\'s object includes list of base themes.');

    // Check for theme engine in subtheme.
    $this
      ->assertIdentical($themes['test_subtheme']->engine, 'twig', 'Subtheme\'s object includes the theme engine.');

    // Check for theme engine prefix.
    $this
      ->assertIdentical($themes['test_basetheme']->prefix, 'twig', 'Base theme\'s object includes the theme engine prefix.');
    $this
      ->assertIdentical($themes['test_subtheme']->prefix, 'twig', 'Subtheme\'s object includes the theme engine prefix.');
  }

  /**
   * Tests child element rendering for 'render element' theme hooks.
   */
  public function testDrupalRenderChildren() {
    $element = [
      '#theme' => 'theme_test_render_element_children',
      'child' => [
        '#markup' => 'Foo',
      ],
    ];
    $this
      ->assertThemeOutput('theme_test_render_element_children', $element, 'Foo', 'drupal_render() avoids #theme recursion loop when rendering a render element.');
    $element = [
      '#theme_wrappers' => [
        'theme_test_render_element_children',
      ],
      'child' => [
        '#markup' => 'Foo',
      ],
    ];
    $this
      ->assertThemeOutput('theme_test_render_element_children', $element, 'Foo', 'drupal_render() avoids #theme_wrappers recursion loop when rendering a render element.');
  }

  /**
   * Tests drupal_find_theme_templates().
   */
  public function testFindThemeTemplates() {
    $registry = $this->container
      ->get('theme.registry')
      ->get();
    $templates = drupal_find_theme_templates($registry, '.html.twig', drupal_get_path('theme', 'test_theme'));
    $this
      ->assertEqual($templates['node__1']['template'], 'node--1', 'Template node--1.html.twig was found in test_theme.');
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AssertContentTrait::$content	protected	property	The current raw content.
AssertContentTrait::$drupalSettings	protected	property	The drupalSettings value from the current raw $content.
AssertContentTrait::$elements	protected	property	The XML structure parsed from the current raw $content.	1
AssertContentTrait::$plainTextContent	protected	property	The plain-text content of raw $content (text nodes).
AssertContentTrait::assertEscaped	protected	function	Passes if the raw text IS found escaped on the loaded page, fail otherwise.
AssertContentTrait::assertField	protected	function	Asserts that a field exists with the given name or ID.
AssertContentTrait::assertFieldById	protected	function	Asserts that a field exists with the given ID and value.
AssertContentTrait::assertFieldByName	protected	function	Asserts that a field exists with the given name and value.
AssertContentTrait::assertFieldByXPath	protected	function	Asserts that a field exists in the current page by the given XPath.
AssertContentTrait::assertFieldChecked	protected	function	Asserts that a checkbox field in the current page is checked.
AssertContentTrait::assertFieldsByValue	protected	function	Asserts that a field exists in the current page with a given Xpath result.
AssertContentTrait::assertLink	protected	function	Passes if a link with the specified label is found.
AssertContentTrait::assertLinkByHref	protected	function	Passes if a link containing a given href (part) is found.
AssertContentTrait::assertNoDuplicateIds	protected	function	Asserts that each HTML ID is used for just a single element.
AssertContentTrait::assertNoEscaped	protected	function	Passes if the raw text IS NOT found escaped on the loaded page, fail otherwise.
AssertContentTrait::assertNoField	protected	function	Asserts that a field does not exist with the given name or ID.
AssertContentTrait::assertNoFieldById	protected	function	Asserts that a field does not exist with the given ID and value.
AssertContentTrait::assertNoFieldByName	protected	function	Asserts that a field does not exist with the given name and value.
AssertContentTrait::assertNoFieldByXPath	protected	function	Asserts that a field does not exist or its value does not match, by XPath.
AssertContentTrait::assertNoFieldChecked	protected	function	Asserts that a checkbox field in the current page is not checked.
AssertContentTrait::assertNoLink	protected	function	Passes if a link with the specified label is not found.
AssertContentTrait::assertNoLinkByHref	protected	function	Passes if a link containing a given href (part) is not found.
AssertContentTrait::assertNoLinkByHrefInMainRegion	protected	function	Passes if a link containing a given href is not found in the main region.
AssertContentTrait::assertNoOption	protected	function	Asserts that a select option in the current page does not exist.
AssertContentTrait::assertNoOptionSelected	protected	function	Asserts that a select option in the current page is not checked.
AssertContentTrait::assertNoPattern	protected	function	Triggers a pass if the perl regex pattern is not found in raw content.
AssertContentTrait::assertNoRaw	protected	function	Passes if the raw text is NOT found on the loaded page, fail otherwise.
AssertContentTrait::assertNoText	protected	function	Passes if the page (with HTML stripped) does not contains the text.
AssertContentTrait::assertNoTitle	protected	function	Pass if the page title is not the given string.
AssertContentTrait::assertNoUniqueText	protected	function	Passes if the text is found MORE THAN ONCE on the text version of the page.
AssertContentTrait::assertOption	protected	function	Asserts that a select option in the current page exists.
AssertContentTrait::assertOptionByText	protected	function	Asserts that a select option with the visible text exists.
AssertContentTrait::assertOptionSelected	protected	function	Asserts that a select option in the current page is checked.
AssertContentTrait::assertOptionSelectedWithDrupalSelector	protected	function	Asserts that a select option in the current page is checked.
AssertContentTrait::assertOptionWithDrupalSelector	protected	function	Asserts that a select option in the current page exists.
AssertContentTrait::assertPattern	protected	function	Triggers a pass if the Perl regex pattern is found in the raw content.
AssertContentTrait::assertRaw	protected	function	Passes if the raw text IS found on the loaded page, fail otherwise.
AssertContentTrait::assertText	protected	function	Passes if the page (with HTML stripped) contains the text.
AssertContentTrait::assertTextHelper	protected	function	Helper for assertText and assertNoText.
AssertContentTrait::assertTextPattern	protected	function	Asserts that a Perl regex pattern is found in the plain-text content.
AssertContentTrait::assertThemeOutput	protected	function	Asserts themed output.
AssertContentTrait::assertTitle	protected	function	Pass if the page title is the given string.
AssertContentTrait::assertUniqueText	protected	function	Passes if the text is found ONLY ONCE on the text version of the page.
AssertContentTrait::assertUniqueTextHelper	protected	function	Helper for assertUniqueText and assertNoUniqueText.
AssertContentTrait::buildXPathQuery	protected	function	Builds an XPath query.
AssertContentTrait::constructFieldXpath	protected	function	Helper: Constructs an XPath for the given set of attributes and value.
AssertContentTrait::cssSelect	protected	function	Searches elements using a CSS selector in the raw content.
AssertContentTrait::getAllOptions	protected	function	Get all option elements, including nested options, in a select.
AssertContentTrait::getDrupalSettings	protected	function	Gets the value of drupalSettings for the currently-loaded page.
AssertContentTrait::getRawContent	protected	function	Gets the current raw content.
AssertContentTrait::getSelectedItem	protected	function	Get the selected value from a select field.
AssertContentTrait::getTextContent	protected	function	Retrieves the plain-text content from the current raw content.
AssertContentTrait::getUrl	protected	function	Get the current URL from the cURL handler.	1
AssertContentTrait::parse	protected	function	Parse content returned from curlExec using DOM and SimpleXML.
AssertContentTrait::removeWhiteSpace	protected	function	Removes all white-space between HTML tags from the raw content.
AssertContentTrait::setDrupalSettings	protected	function	Sets the value of drupalSettings for the currently-loaded page.
AssertContentTrait::setRawContent	protected	function	Sets the raw content (e.g. HTML).
AssertContentTrait::xpath	protected	function	Performs an xpath search on the contents of the internal browser.
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::assertEqual	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertEquals() instead.
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::assertNotEqual	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertNotEquals() instead.
AssertLegacyTrait::assertNotIdentical	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertNotSame() instead.
AssertLegacyTrait::pass	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertTrue() instead.
AssertLegacyTrait::verbose	protected	function
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.
KernelTestBase::$backupGlobals	protected	property	Back up and restore any global variables that may be changed by tests.
KernelTestBase::$backupStaticAttributes	protected	property	Back up and restore static class properties that may be changed by tests.
KernelTestBase::$backupStaticAttributesBlacklist	protected	property	Contains a few static class properties for performance.
KernelTestBase::$classLoader	protected	property
KernelTestBase::$configImporter	protected	property	@todo Move into Config test base class.	7
KernelTestBase::$configSchemaCheckerExclusions	protected static	property	An array of config object names that are excluded from schema checking.
KernelTestBase::$container	protected	property
KernelTestBase::$databasePrefix	protected	property
KernelTestBase::$preserveGlobalState	protected	property	Do not forward any global state from the parent process to the processes that run the actual tests.
KernelTestBase::$root	protected	property	The app root.
KernelTestBase::$runTestInSeparateProcess	protected	property	Kernel tests are run in separate processes because they allow autoloading of code from extensions. Running the test in a separate process isolates this behavior from other tests. Subclasses should not override this property.
KernelTestBase::$siteDirectory	protected	property
KernelTestBase::$strictConfigSchema	protected	property	Set to TRUE to strict check all configuration saved.	6
KernelTestBase::$vfsRoot	protected	property	The virtual filesystem root directory.
KernelTestBase::assertPostConditions	protected	function		1
KernelTestBase::bootEnvironment	protected	function	Bootstraps a basic test environment.
KernelTestBase::bootKernel	private	function	Bootstraps a kernel for a test.
KernelTestBase::config	protected	function	Configuration accessor for tests. Returns non-overridden configuration.
KernelTestBase::disableModules	protected	function	Disables modules for this test.
KernelTestBase::enableModules	protected	function	Enables modules for this test.
KernelTestBase::getConfigSchemaExclusions	protected	function	Gets the config schema exclusions for this test.
KernelTestBase::getDatabaseConnectionInfo	protected	function	Returns the Database connection info to be used for this test.	1
KernelTestBase::getDatabasePrefix	public	function
KernelTestBase::getExtensionsForModules	private	function	Returns Extension objects for $modules to enable.
KernelTestBase::getModulesToEnable	private static	function	Returns the modules to enable for this test.
KernelTestBase::initFileCache	protected	function	Initializes the FileCache component.
KernelTestBase::installConfig	protected	function	Installs default configuration for a given list of modules.
KernelTestBase::installEntitySchema	protected	function	Installs the storage schema for a specific entity type.
KernelTestBase::installSchema	protected	function	Installs database tables from a module schema definition.
KernelTestBase::isTestInIsolation Deprecated	protected	function	Returns whether the current test method is running in a separate process.
KernelTestBase::prepareTemplate	protected	function
KernelTestBase::register	public	function	Registers test-specific services. Overrides ServiceProviderInterface::register	26
KernelTestBase::render	protected	function	Renders a render array.	1
KernelTestBase::setInstallProfile	protected	function	Sets the install profile and rebuilds the container to update it.
KernelTestBase::setSetting	protected	function	Sets an in-memory Settings variable.
KernelTestBase::setUpBeforeClass	public static	function		1
KernelTestBase::setUpFilesystem	protected	function	Sets up the filesystem, so things like the file directory.	2
KernelTestBase::stop	protected	function	Stops test execution.
KernelTestBase::tearDown	protected	function		6
KernelTestBase::tearDownCloseDatabaseConnection	public	function	@after
KernelTestBase::vfsDump	protected	function	Dumps the current state of the virtual filesystem to STDOUT.
KernelTestBase::__get Deprecated	public	function	BC: Automatically resolve former KernelTestBase class properties.
KernelTestBase::__sleep	public	function	Prevents serializing any properties.
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.
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.
ThemeTest::$modules	public static	property	Modules to enable. Overrides KernelTestBase::$modules
ThemeTest::setUp	protected	function	Overrides KernelTestBase::setUp
ThemeTest::testAttributeMerging	public	function	Test attribute merging.
ThemeTest::testDrupalRenderChildren	public	function	Tests child element rendering for 'render element' theme hooks.
ThemeTest::testFindThemeTemplates	public	function	Tests drupal_find_theme_templates().
ThemeTest::testListThemes	public	function	Test the listInfo() function.
ThemeTest::testThemeDataTypes	public	function	Test that ThemeManager renders the expected data types.
ThemeTest::testThemeSuggestions	public	function	Test function theme_get_suggestions() for SA-CORE-2009-003.