class ImageDimensionsTest in Drupal 9

Same name and namespace in other branches

8 core/modules/image/tests/src/Functional/ImageDimensionsTest.php \Drupal\Tests\image\Functional\ImageDimensionsTest

Tests that images have correct dimensions when styled.

@group image

Hierarchy

class \Drupal\Tests\BrowserTestBase extends \PHPUnit\Framework\TestCase uses \Symfony\Bridge\PhpUnit\ExpectDeprecationTrait, FunctionalTestSetupTrait, TestSetupTrait, AssertLegacyTrait, BlockCreationTrait, ConfigTestTrait, ExtensionListTestTrait, ContentTypeCreationTrait, NodeCreationTrait, PhpUnitCompatibilityTrait, RandomGeneratorTrait, TestRequirementsTrait, PhpUnitWarnings, UiHelperTrait, UserCreationTrait, XdebugRequestTrait
- class \Drupal\Tests\image\Functional\ImageDimensionsTest uses TestFileCreationTrait

Expanded class hierarchy of ImageDimensionsTest

File

core/modules/image/tests/src/Functional/ImageDimensionsTest.php, line 15

Namespace

Drupal\Tests\image\Functional

View source

class ImageDimensionsTest extends BrowserTestBase {
  use TestFileCreationTrait {
    getTestFiles as drupalGetTestFiles;
    compareFiles as drupalCompareFiles;
  }

  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'image',
    'image_module_test',
  ];

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

  /**
   * Tests styled image dimensions cumulatively.
   */
  public function testImageDimensions() {
    $image_factory = $this->container
      ->get('image.factory');

    // Create a working copy of the file.
    $files = $this
      ->drupalGetTestFiles('image');
    $file = reset($files);

    /** @var \Drupal\Core\File\FileSystemInterface $file_system */
    $file_system = \Drupal::service('file_system');
    $original_uri = $file_system
      ->copy($file->uri, 'public://', FileSystemInterface::EXISTS_RENAME);

    // Create a style.

    /** @var \Drupal\image\ImageStyleInterface $style */
    $style = ImageStyle::create([
      'name' => 'test',
      'label' => 'Test',
    ]);
    $style
      ->save();
    $generated_uri = 'public://styles/test/public/' . $file_system
      ->basename($original_uri);

    /** @var \Drupal\Core\File\FileUrlGeneratorInterface $file_url_generator */
    $file_url_generator = \Drupal::service('file_url_generator');
    $url = $file_url_generator
      ->transformRelative($style
      ->buildUrl($original_uri));
    $variables = [
      '#theme' => 'image_style',
      '#style_name' => 'test',
      '#uri' => $original_uri,
      '#width' => 40,
      '#height' => 20,
    ];

    // Verify that the original image matches the hard-coded values.
    $image_file = $image_factory
      ->get($original_uri);
    $this
      ->assertEquals($variables['#width'], $image_file
      ->getWidth());
    $this
      ->assertEquals($variables['#height'], $image_file
      ->getHeight());

    // Scale an image that is wider than it is high.
    $effect = [
      'id' => 'image_scale',
      'data' => [
        'width' => 120,
        'height' => 90,
        'upscale' => TRUE,
      ],
      'weight' => 0,
    ];
    $style
      ->addImageEffect($effect);
    $style
      ->save();
    $this
      ->assertEquals('<img src="' . $url . '" width="120" height="60" alt="" loading="lazy" class="image-style-test" />', $this
      ->getImageTag($variables));
    $this
      ->assertFileDoesNotExist($generated_uri);
    $this
      ->drupalGet($this
      ->getAbsoluteUrl($url));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertFileExists($generated_uri);
    $image_file = $image_factory
      ->get($generated_uri);
    $this
      ->assertEquals(120, $image_file
      ->getWidth());
    $this
      ->assertEquals(60, $image_file
      ->getHeight());

    // Rotate 90 degrees anticlockwise.
    $effect = [
      'id' => 'image_rotate',
      'data' => [
        'degrees' => -90,
        'random' => FALSE,
      ],
      'weight' => 1,
    ];
    $style
      ->addImageEffect($effect);
    $style
      ->save();
    $this
      ->assertEquals('<img src="' . $url . '" width="60" height="120" alt="" loading="lazy" class="image-style-test" />', $this
      ->getImageTag($variables));
    $this
      ->assertFileDoesNotExist($generated_uri);
    $this
      ->drupalGet($this
      ->getAbsoluteUrl($url));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertFileExists($generated_uri);
    $image_file = $image_factory
      ->get($generated_uri);
    $this
      ->assertEquals(60, $image_file
      ->getWidth());
    $this
      ->assertEquals(120, $image_file
      ->getHeight());

    // Scale an image that is higher than it is wide (rotated by previous effect).
    $effect = [
      'id' => 'image_scale',
      'data' => [
        'width' => 120,
        'height' => 90,
        'upscale' => TRUE,
      ],
      'weight' => 2,
    ];
    $style
      ->addImageEffect($effect);
    $style
      ->save();
    $this
      ->assertEquals('<img src="' . $url . '" width="45" height="90" alt="" loading="lazy" class="image-style-test" />', $this
      ->getImageTag($variables));
    $this
      ->assertFileDoesNotExist($generated_uri);
    $this
      ->drupalGet($this
      ->getAbsoluteUrl($url));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertFileExists($generated_uri);
    $image_file = $image_factory
      ->get($generated_uri);
    $this
      ->assertEquals(45, $image_file
      ->getWidth());
    $this
      ->assertEquals(90, $image_file
      ->getHeight());

    // Test upscale disabled.
    $effect = [
      'id' => 'image_scale',
      'data' => [
        'width' => 400,
        'height' => 200,
        'upscale' => FALSE,
      ],
      'weight' => 3,
    ];
    $style
      ->addImageEffect($effect);
    $style
      ->save();
    $this
      ->assertEquals('<img src="' . $url . '" width="45" height="90" alt="" loading="lazy" class="image-style-test" />', $this
      ->getImageTag($variables));
    $this
      ->assertFileDoesNotExist($generated_uri);
    $this
      ->drupalGet($this
      ->getAbsoluteUrl($url));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertFileExists($generated_uri);
    $image_file = $image_factory
      ->get($generated_uri);
    $this
      ->assertEquals(45, $image_file
      ->getWidth());
    $this
      ->assertEquals(90, $image_file
      ->getHeight());

    // Add a desaturate effect.
    $effect = [
      'id' => 'image_desaturate',
      'data' => [],
      'weight' => 4,
    ];
    $style
      ->addImageEffect($effect);
    $style
      ->save();
    $this
      ->assertEquals('<img src="' . $url . '" width="45" height="90" alt="" loading="lazy" class="image-style-test" />', $this
      ->getImageTag($variables));
    $this
      ->assertFileDoesNotExist($generated_uri);
    $this
      ->drupalGet($this
      ->getAbsoluteUrl($url));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertFileExists($generated_uri);
    $image_file = $image_factory
      ->get($generated_uri);
    $this
      ->assertEquals(45, $image_file
      ->getWidth());
    $this
      ->assertEquals(90, $image_file
      ->getHeight());

    // Add a random rotate effect.
    $effect = [
      'id' => 'image_rotate',
      'data' => [
        'degrees' => 180,
        'random' => TRUE,
      ],
      'weight' => 5,
    ];
    $style
      ->addImageEffect($effect);
    $style
      ->save();
    $this
      ->assertEquals('<img src="' . $url . '" alt="" class="image-style-test" />', $this
      ->getImageTag($variables));
    $this
      ->assertFileDoesNotExist($generated_uri);
    $this
      ->drupalGet($this
      ->getAbsoluteUrl($url));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertFileExists($generated_uri);

    // Add a crop effect.
    $effect = [
      'id' => 'image_crop',
      'data' => [
        'width' => 30,
        'height' => 30,
        'anchor' => 'center-center',
      ],
      'weight' => 6,
    ];
    $style
      ->addImageEffect($effect);
    $style
      ->save();
    $this
      ->assertEquals('<img src="' . $url . '" width="30" height="30" alt="" loading="lazy" class="image-style-test" />', $this
      ->getImageTag($variables));
    $this
      ->assertFileDoesNotExist($generated_uri);
    $this
      ->drupalGet($this
      ->getAbsoluteUrl($url));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertFileExists($generated_uri);
    $image_file = $image_factory
      ->get($generated_uri);
    $this
      ->assertEquals(30, $image_file
      ->getWidth());
    $this
      ->assertEquals(30, $image_file
      ->getHeight());

    // Rotate to a non-multiple of 90 degrees.
    $effect = [
      'id' => 'image_rotate',
      'data' => [
        'degrees' => 57,
        'random' => FALSE,
      ],
      'weight' => 7,
    ];
    $effect_id = $style
      ->addImageEffect($effect);
    $style
      ->save();

    // @todo Uncomment this once
    //   https://www.drupal.org/project/drupal/issues/2670966 is resolved.
    // $this->assertEquals('<img src="' . $url . '" width="41" height="41" alt="" class="image-style-test" />', $this->getImageTag($variables));
    $this
      ->assertFileDoesNotExist($generated_uri);
    $this
      ->drupalGet($this
      ->getAbsoluteUrl($url));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertFileExists($generated_uri);
    $image_file = $image_factory
      ->get($generated_uri);

    // @todo Uncomment this once
    //   https://www.drupal.org/project/drupal/issues/2670966 is resolved.
    // $this->assertEquals(41, $image_file->getWidth());
    // $this->assertEquals(41, $image_file->getHeight());
    $effect_plugin = $style
      ->getEffect($effect_id);
    $style
      ->deleteImageEffect($effect_plugin);

    // Ensure that an effect can unset dimensions.
    $effect = [
      'id' => 'image_module_test_null',
      'data' => [],
      'weight' => 8,
    ];
    $style
      ->addImageEffect($effect);
    $style
      ->save();
    $this
      ->assertEquals('<img src="' . $url . '" alt="" class="image-style-test" />', $this
      ->getImageTag($variables));

    // Test URI dependent image effect.
    $style = ImageStyle::create([
      'name' => 'test_uri',
      'label' => 'Test URI',
    ]);
    $effect = [
      'id' => 'image_module_test_uri_dependent',
      'data' => [],
      'weight' => 0,
    ];
    $style
      ->addImageEffect($effect);
    $style
      ->save();
    $variables = [
      '#theme' => 'image_style',
      '#style_name' => 'test_uri',
      '#uri' => $original_uri,
      '#width' => 40,
      '#height' => 20,
    ];

    // PNG original image. Should be resized to 100x100.
    $generated_uri = 'public://styles/test_uri/public/' . $file_system
      ->basename($original_uri);
    $url = \Drupal::service('file_url_generator')
      ->transformRelative($style
      ->buildUrl($original_uri));
    $this
      ->assertEquals('<img src="' . $url . '" width="100" height="100" alt="" loading="lazy" class="image-style-test-uri" />', $this
      ->getImageTag($variables));
    $this
      ->assertFileDoesNotExist($generated_uri);
    $this
      ->drupalGet($this
      ->getAbsoluteUrl($url));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertFileExists($generated_uri);
    $image_file = $image_factory
      ->get($generated_uri);
    $this
      ->assertEquals(100, $image_file
      ->getWidth());
    $this
      ->assertEquals(100, $image_file
      ->getHeight());

    // GIF original image. Should be resized to 50x50.
    $file = $files[1];
    $original_uri = $file_system
      ->copy($file->uri, 'public://', FileSystemInterface::EXISTS_RENAME);
    $generated_uri = 'public://styles/test_uri/public/' . $file_system
      ->basename($original_uri);
    $url = $file_url_generator
      ->transformRelative($style
      ->buildUrl($original_uri));
    $variables['#uri'] = $original_uri;
    $this
      ->assertEquals('<img src="' . $url . '" width="50" height="50" alt="" loading="lazy" class="image-style-test-uri" />', $this
      ->getImageTag($variables));
    $this
      ->assertFileDoesNotExist($generated_uri);
    $this
      ->drupalGet($this
      ->getAbsoluteUrl($url));
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertFileExists($generated_uri);
    $image_file = $image_factory
      ->get($generated_uri);
    $this
      ->assertEquals(50, $image_file
      ->getWidth());
    $this
      ->assertEquals(50, $image_file
      ->getHeight());
  }

  /**
   * Render an image style element.
   *
   * Function drupal_render() alters the passed $variables array by adding a new
   * key '#printed' => TRUE. This prevents next call to re-render the element.
   * We wrap drupal_render() in a helper protected method and pass each time a
   * fresh array so that $variables won't get altered and the element is
   * re-rendered each time.
   */
  protected function getImageTag($variables) {
    return str_replace("\n", NULL, \Drupal::service('renderer')
      ->renderRoot($variables));
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AssertLegacyTrait::assert Deprecated	protected	function
AssertLegacyTrait::assertCacheTag Deprecated	protected	function	Asserts whether an expected cache tag was present in the last response.
AssertLegacyTrait::assertElementNotPresent Deprecated	protected	function	Asserts that the element with the given CSS selector is not present.
AssertLegacyTrait::assertElementPresent Deprecated	protected	function	Asserts that the element with the given CSS selector is present.
AssertLegacyTrait::assertEqual Deprecated	protected	function
AssertLegacyTrait::assertEscaped Deprecated	protected	function	Passes if the raw text IS found escaped on the loaded page, fail otherwise.
AssertLegacyTrait::assertField Deprecated	protected	function	Asserts that a field exists with the given name or ID.
AssertLegacyTrait::assertFieldById Deprecated	protected	function	Asserts that a field exists with the given ID and value.
AssertLegacyTrait::assertFieldByName Deprecated	protected	function	Asserts that a field exists with the given name and value.
AssertLegacyTrait::assertFieldByXPath Deprecated	protected	function	Asserts that a field exists in the current page by the given XPath.
AssertLegacyTrait::assertFieldChecked Deprecated	protected	function	Asserts that a checkbox field in the current page is checked.
AssertLegacyTrait::assertFieldsByValue Deprecated	protected	function	Asserts that a field exists in the current page with a given Xpath result.
AssertLegacyTrait::assertHeader Deprecated	protected	function	Checks that current response header equals value.
AssertLegacyTrait::assertIdentical Deprecated	protected	function
AssertLegacyTrait::assertIdenticalObject Deprecated	protected	function
AssertLegacyTrait::assertLink Deprecated	protected	function	Passes if a link with the specified label is found.
AssertLegacyTrait::assertLinkByHref Deprecated	protected	function	Passes if a link containing a given href (part) is found.
AssertLegacyTrait::assertNoCacheTag Deprecated	protected	function	Asserts whether an expected cache tag was absent in the last response.
AssertLegacyTrait::assertNoEscaped Deprecated	protected	function	Passes if the raw text is not found escaped on the loaded page.
AssertLegacyTrait::assertNoField Deprecated	protected	function	Asserts that a field does NOT exist with the given name or ID.
AssertLegacyTrait::assertNoFieldById Deprecated	protected	function	Asserts that a field does not exist with the given ID and value.
AssertLegacyTrait::assertNoFieldByName Deprecated	protected	function	Asserts that a field does not exist with the given name and value.
AssertLegacyTrait::assertNoFieldByXPath Deprecated	protected	function	Asserts that a field does not exist or its value does not match, by XPath.
AssertLegacyTrait::assertNoFieldChecked Deprecated	protected	function	Asserts that a checkbox field in the current page is not checked.
AssertLegacyTrait::assertNoLink Deprecated	protected	function	Passes if a link with the specified label is not found.
AssertLegacyTrait::assertNoLinkByHref Deprecated	protected	function	Passes if a link containing a given href (part) is not found.
AssertLegacyTrait::assertNoOption Deprecated	protected	function	Asserts that a select option does NOT exist in the current page.
AssertLegacyTrait::assertNoPattern Deprecated	protected	function	Triggers a pass if the Perl regex pattern is not found in the raw content.
AssertLegacyTrait::assertNoRaw Deprecated	protected	function	Passes if the raw text IS not found on the loaded page, fail otherwise.
AssertLegacyTrait::assertNotEqual Deprecated	protected	function
AssertLegacyTrait::assertNoText Deprecated	protected	function	Passes if the page (with HTML stripped) does not contains the text.
AssertLegacyTrait::assertNotIdentical Deprecated	protected	function
AssertLegacyTrait::assertNoUniqueText Deprecated	protected	function	Passes if the text is found MORE THAN ONCE on the text version of the page.
AssertLegacyTrait::assertOption Deprecated	protected	function	Asserts that a select option in the current page exists.
AssertLegacyTrait::assertOptionByText Deprecated	protected	function	Asserts that a select option with the visible text exists.
AssertLegacyTrait::assertOptionSelected Deprecated	protected	function	Asserts that a select option in the current page is checked.
AssertLegacyTrait::assertPattern Deprecated	protected	function	Triggers a pass if the Perl regex pattern is found in the raw content.
AssertLegacyTrait::assertRaw Deprecated	protected	function	Passes if the raw text IS found on the loaded page, fail otherwise.
AssertLegacyTrait::assertResponse Deprecated	protected	function	Asserts the page responds with the specified response code.
AssertLegacyTrait::assertText Deprecated	protected	function	Passes if the page (with HTML stripped) contains the text.
AssertLegacyTrait::assertTextHelper Deprecated	protected	function	Helper for assertText and assertNoText.
AssertLegacyTrait::assertTitle Deprecated	protected	function	Pass if the page title is the given string.
AssertLegacyTrait::assertUniqueText Deprecated	protected	function	Passes if the text is found ONLY ONCE on the text version of the page.
AssertLegacyTrait::assertUrl Deprecated	protected	function	Passes if the internal browser's URL matches the given path.
AssertLegacyTrait::buildXPathQuery Deprecated	protected	function	Builds an XPath query.
AssertLegacyTrait::constructFieldXpath Deprecated	protected	function	Helper: Constructs an XPath for the given set of attributes and value.
AssertLegacyTrait::getAllOptions Deprecated	protected	function	Get all option elements, including nested options, in a select.
AssertLegacyTrait::getRawContent Deprecated	protected	function	Gets the current raw content.
AssertLegacyTrait::pass Deprecated	protected	function
AssertLegacyTrait::verbose Deprecated	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::getResponseLogHandler	protected	function	Provides a Guzzle middleware handler to log every response received.
BrowserHtmlDebugTrait::htmlOutput	protected	function	Logs a HTML output message in a text file.
BrowserHtmlDebugTrait::initBrowserOutputFile	protected	function	Creates the directory to store browser output.
BrowserTestBase::$baseUrl	protected	property	The base URL.
BrowserTestBase::$configImporter	protected	property	The config importer that can be used in a test.
BrowserTestBase::$customTranslations	protected	property	An array of custom translations suitable for drupal_rewrite_settings().
BrowserTestBase::$databasePrefix	protected	property	The database prefix of this test run.
BrowserTestBase::$mink	protected	property	Mink session manager.
BrowserTestBase::$minkDefaultDriverArgs	protected	property	Mink default driver params.
BrowserTestBase::$minkDefaultDriverClass	protected	property	Mink class for the default driver to use.	1
BrowserTestBase::$originalContainer	protected	property	The original container.
BrowserTestBase::$originalShutdownCallbacks	protected	property	The original array of shutdown function callbacks.
BrowserTestBase::$preserveGlobalState	protected	property
BrowserTestBase::$root	protected	property	The app root.
BrowserTestBase::$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::drupalGetHeader Deprecated	protected	function	Gets the value of an HTTP response header.
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::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		486
BrowserTestBase::setUpAppRoot	protected	function	Sets up the root application path.
BrowserTestBase::setUpBeforeClass	public static	function		1
BrowserTestBase::tearDown	protected	function		3
BrowserTestBase::translatePostValues	protected	function	Transforms a nested array into a flat array suitable for submitForm().
BrowserTestBase::xpath	protected	function	Performs an xpath search on the contents of the internal browser.
BrowserTestBase::__sleep	public	function	Prevents serializing any properties.
ConfigTestTrait::configImporter	protected	function	Returns a ConfigImporter object to import test configuration.
ConfigTestTrait::copyConfig	protected	function	Copies configuration objects from source storage to target storage.
ContentTypeCreationTrait::createContentType	protected	function	Creates a custom content type based on default settings. Aliased as: drupalCreateContentType	1
ExtensionListTestTrait::getModulePath	protected	function	Gets the path for the specified module.
ExtensionListTestTrait::getThemePath	protected	function	Gets the path for the specified theme.
FunctionalTestSetupTrait::$apcuEnsureUniquePrefix	protected	property	The flag to set 'apcu_ensure_unique_prefix' setting.	1
FunctionalTestSetupTrait::$classLoader	protected	property	The class loader to use for installation and initialization of setup.
FunctionalTestSetupTrait::$rootUser	protected	property	The "#1" admin user.
FunctionalTestSetupTrait::doInstall	protected	function	Execute the non-interactive installer.	1
FunctionalTestSetupTrait::getDatabaseTypes	protected	function	Returns all supported database driver installer objects.
FunctionalTestSetupTrait::initConfig	protected	function	Initialize various configurations post-installation.	1
FunctionalTestSetupTrait::initKernel	protected	function	Initializes the kernel after installation.
FunctionalTestSetupTrait::initSettings	protected	function	Initialize settings created during install.
FunctionalTestSetupTrait::initUserSession	protected	function	Initializes user 1 for the site to be installed.
FunctionalTestSetupTrait::installDefaultThemeFromClassProperty	protected	function	Installs the default theme defined by `static::$defaultTheme` when needed.
FunctionalTestSetupTrait::installModulesFromClassProperty	protected	function	Install modules defined by `static::$modules`.	1
FunctionalTestSetupTrait::installParameters	protected	function	Returns the parameters that will be used when Simpletest installs Drupal.	9
FunctionalTestSetupTrait::prepareEnvironment	protected	function	Prepares the current environment for running the test.	20
FunctionalTestSetupTrait::prepareRequestForGenerator	protected	function	Creates a mock request and sets it on the generator.
FunctionalTestSetupTrait::prepareSettings	protected	function	Prepares site settings and services before installation.	2
FunctionalTestSetupTrait::rebuildAll	protected	function	Resets and rebuilds the environment after setup.
FunctionalTestSetupTrait::rebuildContainer	protected	function	Rebuilds \Drupal::getContainer().
FunctionalTestSetupTrait::resetAll	protected	function	Resets all data structures after having enabled new modules.
FunctionalTestSetupTrait::setContainerParameter	protected	function	Changes parameters in the services.yml file.
FunctionalTestSetupTrait::setupBaseUrl	protected	function	Sets up the base URL based upon the environment variable.
FunctionalTestSetupTrait::writeSettings	protected	function	Rewrites the settings.php file of the test site.	1
ImageDimensionsTest::$defaultTheme	protected	property	The theme to install as the default for testing. Overrides BrowserTestBase::$defaultTheme
ImageDimensionsTest::$modules	protected static	property	Modules to enable. Overrides BrowserTestBase::$modules
ImageDimensionsTest::$profile	protected	property	The profile to install as a basis for testing. Overrides BrowserTestBase::$profile
ImageDimensionsTest::getImageTag	protected	function	Render an image style element.
ImageDimensionsTest::testImageDimensions	public	function	Tests styled image dimensions cumulatively.
NodeCreationTrait::createNode	protected	function	Creates a node based on default settings. Aliased as: drupalCreateNode
NodeCreationTrait::getNodeByTitle	public	function	Get a node from the database based on its title. Aliased as: drupalGetNodeByTitle
PhpUnitWarnings::$deprecationWarnings	private static	property	Deprecation warnings from PHPUnit to raise with @trigger_error().
PhpUnitWarnings::addWarning	public	function	Converts PHPUnit deprecation warnings to E_USER_DEPRECATED.
RandomGeneratorTrait::$randomGenerator	protected	property	The random generator.
RandomGeneratorTrait::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
RandomGeneratorTrait::randomMachineName	protected	function	Generates a unique random string containing letters and numbers.	1
RandomGeneratorTrait::randomObject	public	function	Generates a random PHP object.
RandomGeneratorTrait::randomString	public	function	Generates a pseudo-random string of ASCII characters of codes 32 to 126.
RandomGeneratorTrait::randomStringValidate	public	function	Callback for random string validation.
RefreshVariablesTrait::refreshVariables	protected	function	Refreshes in-memory configuration and state information.	1
SessionTestTrait::$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.
TestFileCreationTrait::$generatedTestFiles	protected	property	Whether the files were copied to the test files directory.
TestFileCreationTrait::compareFiles	protected	function	Compares two files based on size and file name. Aliased as: drupalCompareFiles
TestFileCreationTrait::generateFile	public static	function	Generates a test file.
TestFileCreationTrait::getTestFiles	protected	function	Gets a list of files that can be used in tests. Aliased as: drupalGetTestFiles
TestRequirementsTrait::checkModuleRequirements	private	function	Checks missing module requirements.
TestRequirementsTrait::checkRequirements	protected	function	Check module requirements for the Drupal use case.	1
TestRequirementsTrait::getDrupalRoot	protected static	function	Returns the Drupal root directory.
TestSetupTrait::$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::$strictConfigSchema	protected	property	Set to TRUE to strict check all configuration saved.	1
TestSetupTrait::$tempFilesDirectory	protected	property	The temporary file directory for the test environment.
TestSetupTrait::$testId	protected	property	The test run ID.
TestSetupTrait::changeDatabasePrefix	protected	function	Changes the database connection to the prefixed one.
TestSetupTrait::getConfigSchemaExclusions	protected	function	Gets the config schema exclusions for this test.
TestSetupTrait::getDatabaseConnection	public static	function	Returns the database connection to the site running Simpletest.
TestSetupTrait::prepareDatabasePrefix	protected	function	Generates a database prefix for running tests.	1
UiHelperTrait::$loggedInUser	protected	property	The current user logged in using the Mink controlled browser.
UiHelperTrait::$maximumMetaRefreshCount	protected	property	The number of meta refresh redirects to follow, or NULL if unlimited.
UiHelperTrait::$metaRefreshCount	protected	property	The number of meta refresh redirects followed during ::drupalGet().
UiHelperTrait::assertSession	public	function	Returns WebAssert object.	1
UiHelperTrait::buildUrl	protected	function	Builds an absolute URL from a system path or a URL object.
UiHelperTrait::checkForMetaRefresh	protected	function	Checks for meta refresh tag and if found call drupalGet() recursively.
UiHelperTrait::click	protected	function	Clicks the element with the given CSS selector.
UiHelperTrait::clickLink	protected	function	Follows a link by complete name.
UiHelperTrait::cssSelect	protected	function	Searches elements using a CSS selector in the raw content.
UiHelperTrait::cssSelectToXpath	protected	function	Translates a CSS expression to its XPath equivalent.
UiHelperTrait::drupalGet	protected	function	Retrieves a Drupal path or an absolute path.	2
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 Deprecated	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::isTestUsingGuzzleClient	protected	function	Determines if test is using DrupalTestBrowser.
UiHelperTrait::prepareRequest	protected	function	Prepare for a request to testing site.	1
UiHelperTrait::submitForm	protected	function	Fills and submits a form.
UserCreationTrait::checkPermissions	protected	function	Checks whether a given list of permission names is valid.
UserCreationTrait::createAdminRole	protected	function	Creates an administrative role.
UserCreationTrait::createRole	protected	function	Creates a role with specified permissions. Aliased as: drupalCreateRole
UserCreationTrait::createUser	protected	function	Create a user with a given set of permissions. Aliased as: drupalCreateUser
UserCreationTrait::grantPermissions	protected	function	Grant permissions to a user role.
UserCreationTrait::setCurrentUser	protected	function	Switch the current logged in user.
UserCreationTrait::setUpCurrentUser	protected	function	Creates a random user account and sets it as current user.
XdebugRequestTrait::extractCookiesFromRequest	protected	function	Adds xdebug cookies, from request setup.

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class ImageDimensionsTest in Drupal 9

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