class ToolkitGdTest in Zircon Profile 8

Same name and namespace in other branches

8.0 core/modules/system/src/Tests/Image/ToolkitGdTest.php \Drupal\system\Tests\Image\ToolkitGdTest

Tests that core image manipulations work properly: scale, resize, rotate, crop, scale and crop, and desaturate.

@group Image

View source

class ToolkitGdTest extends KernelTestBase {

  /**
   * The image factory service.
   *
   * @var \Drupal\Core\Image\ImageFactory
   */
  protected $imageFactory;

  // Colors that are used in testing.
  protected $black = array(
    0,
    0,
    0,
    0,
  );
  protected $red = array(
    255,
    0,
    0,
    0,
  );
  protected $green = array(
    0,
    255,
    0,
    0,
  );
  protected $blue = array(
    0,
    0,
    255,
    0,
  );
  protected $yellow = array(
    255,
    255,
    0,
    0,
  );
  protected $white = array(
    255,
    255,
    255,
    0,
  );
  protected $transparent = array(
    0,
    0,
    0,
    127,
  );

  // Used as rotate background colors.
  protected $fuchsia = array(
    255,
    0,
    255,
    0,
  );
  protected $rotateTransparent = array(
    255,
    255,
    255,
    127,
  );
  protected $width = 40;
  protected $height = 20;

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = array(
    'system',
    'simpletest',
  );

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();

    // Set the image factory service.
    $this->imageFactory = $this->container
      ->get('image.factory');
  }
  protected function checkRequirements() {

    // GD2 support is available.
    if (!function_exists('imagegd2')) {
      return array(
        'Image manipulations for the GD toolkit cannot run because the GD toolkit is not available.',
      );
    }
    return parent::checkRequirements();
  }

  /**
   * Function to compare two colors by RGBa.
   */
  function colorsAreEqual($color_a, $color_b) {

    // Fully transparent pixels are equal, regardless of RGB.
    if ($color_a[3] == 127 && $color_b[3] == 127) {
      return TRUE;
    }
    foreach ($color_a as $key => $value) {
      if ($color_b[$key] != $value) {
        return FALSE;
      }
    }
    return TRUE;
  }

  /**
   * Function for finding a pixel's RGBa values.
   */
  function getPixelColor(ImageInterface $image, $x, $y) {
    $toolkit = $image
      ->getToolkit();
    $color_index = imagecolorat($toolkit
      ->getResource(), $x, $y);
    $transparent_index = imagecolortransparent($toolkit
      ->getResource());
    if ($color_index == $transparent_index) {
      return array(
        0,
        0,
        0,
        127,
      );
    }
    return array_values(imagecolorsforindex($toolkit
      ->getResource(), $color_index));
  }

  /**
   * Since PHP can't visually check that our images have been manipulated
   * properly, build a list of expected color values for each of the corners and
   * the expected height and widths for the final images.
   */
  function testManipulations() {

    // Test that the image factory is set to use the GD toolkit.
    $this
      ->assertEqual($this->imageFactory
      ->getToolkitId(), 'gd', 'The image factory is set to use the \'gd\' image toolkit.');

    // Typically the corner colors will be unchanged. These colors are in the
    // order of top-left, top-right, bottom-right, bottom-left.
    $default_corners = array(
      $this->red,
      $this->green,
      $this->blue,
      $this->transparent,
    );

    // A list of files that will be tested.
    $files = array(
      'image-test.png',
      'image-test.gif',
      'image-test-no-transparency.gif',
      'image-test.jpg',
    );

    // Setup a list of tests to perform on each type.
    $operations = array(
      'resize' => array(
        'function' => 'resize',
        'arguments' => array(
          'width' => 20,
          'height' => 10,
        ),
        'width' => 20,
        'height' => 10,
        'corners' => $default_corners,
      ),
      'scale_x' => array(
        'function' => 'scale',
        'arguments' => array(
          'width' => 20,
        ),
        'width' => 20,
        'height' => 10,
        'corners' => $default_corners,
      ),
      'scale_y' => array(
        'function' => 'scale',
        'arguments' => array(
          'height' => 10,
        ),
        'width' => 20,
        'height' => 10,
        'corners' => $default_corners,
      ),
      'upscale_x' => array(
        'function' => 'scale',
        'arguments' => array(
          'width' => 80,
          'upscale' => TRUE,
        ),
        'width' => 80,
        'height' => 40,
        'corners' => $default_corners,
      ),
      'upscale_y' => array(
        'function' => 'scale',
        'arguments' => array(
          'height' => 40,
          'upscale' => TRUE,
        ),
        'width' => 80,
        'height' => 40,
        'corners' => $default_corners,
      ),
      'crop' => array(
        'function' => 'crop',
        'arguments' => array(
          'x' => 12,
          'y' => 4,
          'width' => 16,
          'height' => 12,
        ),
        'width' => 16,
        'height' => 12,
        'corners' => array_fill(0, 4, $this->white),
      ),
      'scale_and_crop' => array(
        'function' => 'scale_and_crop',
        'arguments' => array(
          'width' => 10,
          'height' => 8,
        ),
        'width' => 10,
        'height' => 8,
        'corners' => array_fill(0, 4, $this->black),
      ),
      'convert_jpg' => array(
        'function' => 'convert',
        'width' => 40,
        'height' => 20,
        'arguments' => array(
          'extension' => 'jpeg',
        ),
        'corners' => $default_corners,
      ),
      'convert_gif' => array(
        'function' => 'convert',
        'width' => 40,
        'height' => 20,
        'arguments' => array(
          'extension' => 'gif',
        ),
        'corners' => $default_corners,
      ),
      'convert_png' => array(
        'function' => 'convert',
        'width' => 40,
        'height' => 20,
        'arguments' => array(
          'extension' => 'png',
        ),
        'corners' => $default_corners,
      ),
    );

    // Systems using non-bundled GD2 don't have imagerotate. Test if available.
    if (function_exists('imagerotate')) {
      $operations += array(
        'rotate_5' => array(
          'function' => 'rotate',
          'arguments' => array(
            'degrees' => 5,
            'background' => '#FF00FF',
          ),
          // Fuchsia background.
          'width' => 42,
          'height' => 24,
          'corners' => array_fill(0, 4, $this->fuchsia),
        ),
        'rotate_90' => array(
          'function' => 'rotate',
          'arguments' => array(
            'degrees' => 90,
            'background' => '#FF00FF',
          ),
          // Fuchsia background.
          'width' => 20,
          'height' => 40,
          'corners' => array(
            $this->transparent,
            $this->red,
            $this->green,
            $this->blue,
          ),
        ),
        'rotate_transparent_5' => array(
          'function' => 'rotate',
          'arguments' => array(
            'degrees' => 5,
          ),
          'width' => 42,
          'height' => 24,
          'corners' => array_fill(0, 4, $this->rotateTransparent),
        ),
        'rotate_transparent_90' => array(
          'function' => 'rotate',
          'arguments' => array(
            'degrees' => 90,
          ),
          'width' => 20,
          'height' => 40,
          'corners' => array(
            $this->transparent,
            $this->red,
            $this->green,
            $this->blue,
          ),
        ),
      );
    }

    // Systems using non-bundled GD2 don't have imagefilter. Test if available.
    if (function_exists('imagefilter')) {
      $operations += array(
        'desaturate' => array(
          'function' => 'desaturate',
          'arguments' => array(),
          'height' => 20,
          'width' => 40,
          // Grayscale corners are a bit funky. Each of the corners are a shade of
          // gray. The values of these were determined simply by looking at the
          // final image to see what desaturated colors end up being.
          'corners' => array(
            array_fill(0, 3, 76) + array(
              3 => 0,
            ),
            array_fill(0, 3, 149) + array(
              3 => 0,
            ),
            array_fill(0, 3, 29) + array(
              3 => 0,
            ),
            array_fill(0, 3, 225) + array(
              3 => 127,
            ),
          ),
        ),
      );
    }

    // Prepare a directory for test file results.
    $directory = $this->publicFilesDirectory . '/imagetest';
    file_prepare_directory($directory, FILE_CREATE_DIRECTORY);
    foreach ($files as $file) {
      foreach ($operations as $op => $values) {

        // Load up a fresh image.
        $image = $this->imageFactory
          ->get(drupal_get_path('module', 'simpletest') . '/files/' . $file);
        $toolkit = $image
          ->getToolkit();
        if (!$image
          ->isValid()) {
          $this
            ->fail(SafeMarkup::format('Could not load image %file.', array(
            '%file' => $file,
          )));
          continue 2;
        }
        $image_original_type = $image
          ->getToolkit()
          ->getType();

        // All images should be converted to truecolor when loaded.
        $image_truecolor = imageistruecolor($toolkit
          ->getResource());
        $this
          ->assertTrue($image_truecolor, SafeMarkup::format('Image %file after load is a truecolor image.', array(
          '%file' => $file,
        )));
        if ($image
          ->getToolkit()
          ->getType() == IMAGETYPE_GIF) {
          if ($op == 'desaturate') {

            // Transparent GIFs and the imagefilter function don't work together.
            $values['corners'][3][3] = 0;
          }
        }

        // Store the original GD resource.
        $old_res = $toolkit
          ->getResource();

        // Perform our operation.
        $image
          ->apply($values['function'], $values['arguments']);

        // If the operation replaced the resource, check that the old one has
        // been destroyed.
        $new_res = $toolkit
          ->getResource();
        if ($new_res !== $old_res) {
          $this
            ->assertFalse(is_resource($old_res), SafeMarkup::format("'%operation' destroyed the original resource.", [
            '%operation' => $values['function'],
          ]));
        }

        // To keep from flooding the test with assert values, make a general
        // value for whether each group of values fail.
        $correct_dimensions_real = TRUE;
        $correct_dimensions_object = TRUE;

        // PHP 5.5 GD bug: https://bugs.php.net/bug.php?id=65148. PHP 5.5 GD
        // rotates differently then it did in PHP 5.4 resulting in different
        // dimensions then what math teaches us. For the test images, the
        // dimensions will be 1 pixel smaller in both dimensions (though other
        // tests have shown a difference of 0 to 3 pixels in both dimensions.
        // @todo: if and when the PHP bug gets solved, add an upper limit
        //   version check.
        // @todo: in [#1551686] the dimension calculations for rotation are
        //   reworked. That issue should also check if these tests can be made
        //   more robust.
        if (version_compare(PHP_VERSION, '5.5', '>=') && $values['function'] === 'rotate' && $values['arguments']['degrees'] % 90 != 0) {
          $values['height']--;
          $values['width']--;
        }
        if (imagesy($toolkit
          ->getResource()) != $values['height'] || imagesx($toolkit
          ->getResource()) != $values['width']) {
          $correct_dimensions_real = FALSE;
        }

        // Check that the image object has an accurate record of the dimensions.
        if ($image
          ->getWidth() != $values['width'] || $image
          ->getHeight() != $values['height']) {
          $correct_dimensions_object = FALSE;
        }
        $file_path = $directory . '/' . $op . image_type_to_extension($image
          ->getToolkit()
          ->getType());
        $image
          ->save($file_path);
        $this
          ->assertTrue($correct_dimensions_real, SafeMarkup::format('Image %file after %action action has proper dimensions.', array(
          '%file' => $file,
          '%action' => $op,
        )));
        $this
          ->assertTrue($correct_dimensions_object, SafeMarkup::format('Image %file object after %action action is reporting the proper height and width values.', array(
          '%file' => $file,
          '%action' => $op,
        )));

        // JPEG colors will always be messed up due to compression. So we skip
        // these tests if the original or the result is in jpeg format.
        if ($image
          ->getToolkit()
          ->getType() != IMAGETYPE_JPEG && $image_original_type != IMAGETYPE_JPEG) {

          // Now check each of the corners to ensure color correctness.
          foreach ($values['corners'] as $key => $corner) {

            // The test gif that does not have transparency has yellow where the
            // others have transparent.
            if ($file === 'image-test-no-transparency.gif' && $corner === $this->transparent) {
              $corner = $this->yellow;
            }

            // Get the location of the corner.
            switch ($key) {
              case 0:
                $x = 0;
                $y = 0;
                break;
              case 1:
                $x = $image
                  ->getWidth() - 1;
                $y = 0;
                break;
              case 2:
                $x = $image
                  ->getWidth() - 1;
                $y = $image
                  ->getHeight() - 1;
                break;
              case 3:
                $x = 0;
                $y = $image
                  ->getHeight() - 1;
                break;
            }
            $color = $this
              ->getPixelColor($image, $x, $y);

            // We also skip the color test for transparency for gif <-> png
            // conversion. The convert operation cannot handle that correctly.
            if ($image
              ->getToolkit()
              ->getType() == $image_original_type || $corner != $this->transparent) {
              $correct_colors = $this
                ->colorsAreEqual($color, $corner);
              $this
                ->assertTrue($correct_colors, SafeMarkup::format('Image %file object after %action action has the correct color placement at corner %corner.', array(
                '%file' => $file,
                '%action' => $op,
                '%corner' => $key,
              )));
            }
          }
        }

        // Check that saved image reloads without raising PHP errors.
        $image_reloaded = $this->imageFactory
          ->get($file_path);
        $resource = $image_reloaded
          ->getToolkit()
          ->getResource();
      }
    }

    // Test creation of image from scratch, and saving to storage.
    foreach (array(
      IMAGETYPE_PNG,
      IMAGETYPE_GIF,
      IMAGETYPE_JPEG,
    ) as $type) {
      $image = $this->imageFactory
        ->get();
      $image
        ->createNew(50, 20, image_type_to_extension($type, FALSE), '#ffff00');
      $file = 'from_null' . image_type_to_extension($type);
      $file_path = $directory . '/' . $file;
      $this
        ->assertEqual(50, $image
        ->getWidth(), SafeMarkup::format('Image file %file has the correct width.', array(
        '%file' => $file,
      )));
      $this
        ->assertEqual(20, $image
        ->getHeight(), SafeMarkup::format('Image file %file has the correct height.', array(
        '%file' => $file,
      )));
      $this
        ->assertEqual(image_type_to_mime_type($type), $image
        ->getMimeType(), SafeMarkup::format('Image file %file has the correct MIME type.', array(
        '%file' => $file,
      )));
      $this
        ->assertTrue($image
        ->save($file_path), SafeMarkup::format('Image %file created anew from a null image was saved.', array(
        '%file' => $file,
      )));

      // Reload saved image.
      $image_reloaded = $this->imageFactory
        ->get($file_path);
      if (!$image_reloaded
        ->isValid()) {
        $this
          ->fail(SafeMarkup::format('Could not load image %file.', array(
          '%file' => $file,
        )));
        continue;
      }
      $this
        ->assertEqual(50, $image_reloaded
        ->getWidth(), SafeMarkup::format('Image file %file has the correct width.', array(
        '%file' => $file,
      )));
      $this
        ->assertEqual(20, $image_reloaded
        ->getHeight(), SafeMarkup::format('Image file %file has the correct height.', array(
        '%file' => $file,
      )));
      $this
        ->assertEqual(image_type_to_mime_type($type), $image_reloaded
        ->getMimeType(), SafeMarkup::format('Image file %file has the correct MIME type.', array(
        '%file' => $file,
      )));
      if ($image_reloaded
        ->getToolkit()
        ->getType() == IMAGETYPE_GIF) {
        $this
          ->assertEqual('#ffff00', $image_reloaded
          ->getToolkit()
          ->getTransparentColor(), SafeMarkup::format('Image file %file has the correct transparent color channel set.', array(
          '%file' => $file,
        )));
      }
      else {
        $this
          ->assertEqual(NULL, $image_reloaded
          ->getToolkit()
          ->getTransparentColor(), SafeMarkup::format('Image file %file has no color channel set.', array(
          '%file' => $file,
        )));
      }
    }

    // Test failures of the 'create_new' operation.
    $image = $this->imageFactory
      ->get();
    $image
      ->createNew(-50, 20);
    $this
      ->assertFalse($image
      ->isValid(), 'CreateNew with negative width fails.');
    $image
      ->createNew(50, 20, 'foo');
    $this
      ->assertFalse($image
      ->isValid(), 'CreateNew with invalid extension fails.');
    $image
      ->createNew(50, 20, 'gif', '#foo');
    $this
      ->assertFalse($image
      ->isValid(), 'CreateNew with invalid color hex string fails.');
    $image
      ->createNew(50, 20, 'gif', '#ff0000');
    $this
      ->assertTrue($image
      ->isValid(), 'CreateNew with valid arguments validates the Image.');
  }

  /**
   * Tests that GD resources are freed from memory.
   */
  public function testResourceDestruction() {

    // Test that an Image object going out of scope releases its GD resource.
    $image = $this->imageFactory
      ->get(drupal_get_path('module', 'simpletest') . '/files/image-test.png');
    $res = $image
      ->getToolkit()
      ->getResource();
    $this
      ->assertTrue(is_resource($res), 'Successfully loaded image resource.');
    $image = NULL;
    $this
      ->assertFalse(is_resource($res), 'Image resource was destroyed after losing scope.');

    // Test that 'create_new' operation does not leave orphaned GD resources.
    $image = $this->imageFactory
      ->get(drupal_get_path('module', 'simpletest') . '/files/image-test.png');
    $old_res = $image
      ->getToolkit()
      ->getResource();

    // Check if resource has been created successfully.
    $this
      ->assertTrue(is_resource($old_res));
    $image
      ->createNew(20, 20);
    $new_res = $image
      ->getToolkit()
      ->getResource();

    // Check if the original resource has been destroyed.
    $this
      ->assertFalse(is_resource($old_res));

    // Check if a new resource has been created successfully.
    $this
      ->assertTrue(is_resource($new_res));
  }

  /**
   * Tests loading an image whose transparent color index is out of range.
   */
  function testTransparentColorOutOfRange() {

    // This image was generated by taking an initial image with a palette size
    // of 6 colors, and setting the transparent color index to 6 (one higher
    // than the largest allowed index), as follows:
    // @code
    // $image = imagecreatefromgif('core/modules/simpletest/files/image-test.gif');
    // imagecolortransparent($image, 6);
    // imagegif($image, 'core/modules/simpletest/files/image-test-transparent-out-of-range.gif');
    // @endcode
    // This allows us to test that an image with an out-of-range color index
    // can be loaded correctly.
    $file = 'image-test-transparent-out-of-range.gif';
    $image = $this->imageFactory
      ->get(drupal_get_path('module', 'simpletest') . '/files/' . $file);
    $toolkit = $image
      ->getToolkit();
    if (!$image
      ->isValid()) {
      $this
        ->fail(SafeMarkup::format('Could not load image %file.', array(
        '%file' => $file,
      )));
    }
    else {

      // All images should be converted to truecolor when loaded.
      $image_truecolor = imageistruecolor($toolkit
        ->getResource());
      $this
        ->assertTrue($image_truecolor, SafeMarkup::format('Image %file after load is a truecolor image.', array(
        '%file' => $file,
      )));
    }
  }

  /**
   * Tests calling a missing image operation plugin.
   */
  function testMissingOperation() {

    // Test that the image factory is set to use the GD toolkit.
    $this
      ->assertEqual($this->imageFactory
      ->getToolkitId(), 'gd', 'The image factory is set to use the \'gd\' image toolkit.');

    // An image file that will be tested.
    $file = 'image-test.png';

    // Load up a fresh image.
    $image = $this->imageFactory
      ->get(drupal_get_path('module', 'simpletest') . '/files/' . $file);
    if (!$image
      ->isValid()) {
      $this
        ->fail(SafeMarkup::format('Could not load image %file.', array(
        '%file' => $file,
      )));
    }

    // Try perform a missing toolkit operation.
    $this
      ->assertFalse($image
      ->apply('missing_op', array()), 'Calling a missing image toolkit operation plugin fails.');
  }

}

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 $content.	2
AssertContentTrait::$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::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	function	Casts MarkupInterface objects into strings.
KernelTestBase::$configDirectories	protected	property	The configuration directories for this test run.
KernelTestBase::$keyValueFactory	protected	property	A KeyValueMemoryFactory instance to use when building the container.
KernelTestBase::$moduleFiles	private	property
KernelTestBase::$streamWrappers	protected	property	Array of registered stream wrappers.
KernelTestBase::$themeFiles	private	property
KernelTestBase::beforePrepareEnvironment	protected	function	Act on global state information before the environment is altered for a test. Overrides TestBase::beforePrepareEnvironment
KernelTestBase::containerBuild	public	function	Sets up the base service container for this test.	12
KernelTestBase::defaultLanguageData	protected	function	Provides the data for setting the default language on the container.	1
KernelTestBase::disableModules	protected	function	Disables modules for this test.
KernelTestBase::enableModules	protected	function	Enables modules for this test.
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 a specific table from a module schema definition.
KernelTestBase::prepareConfigDirectories	protected	function	Create and set new configuration directories.	1
KernelTestBase::registerStreamWrapper	protected	function	Registers a stream wrapper for this test.
KernelTestBase::render	protected	function	Renders a render array.
KernelTestBase::tearDown	protected	function	Performs cleanup tasks after each individual test method has been run. Overrides TestBase::tearDown
KernelTestBase::__construct		function	Constructor for Test. Overrides TestBase::__construct
RandomGeneratorTrait::$randomGenerator	protected	property	The random generator.
RandomGeneratorTrait::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
RandomGeneratorTrait::randomMachineName	protected	function	Generates a unique random string containing letters and numbers.
RandomGeneratorTrait::randomObject	public	function	Generates a random PHP object.
RandomGeneratorTrait::randomString	public	function	Generates a pseudo-random string of ASCII characters of codes 32 to 126.
RandomGeneratorTrait::randomStringValidate	public	function	Callback for random string validation.
SessionTestTrait::$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.
TestBase::$assertions	protected	property	Assertions thrown in that test case.
TestBase::$configImporter	protected	property	The config importer that can used in a test.	5
TestBase::$configSchemaCheckerExclusions	protected static	property	An array of config object names that are excluded from schema checking.
TestBase::$container	protected	property	The dependency injection container used in the test.
TestBase::$databasePrefix	protected	property	The database prefix of this test run.
TestBase::$dieOnFail	public	property	Whether to die in case any test assertion fails.
TestBase::$httpAuthCredentials	protected	property	HTTP authentication credentials (<username>:<password>).
TestBase::$httpAuthMethod	protected	property	HTTP authentication method (specified as a CURLAUTH_* constant).
TestBase::$kernel	protected	property	The DrupalKernel instance used in the test.	1
TestBase::$originalConf	protected	property	The original configuration (variables), if available.
TestBase::$originalConfig	protected	property	The original configuration (variables).
TestBase::$originalConfigDirectories	protected	property	The original configuration directories.
TestBase::$originalContainer	protected	property	The original container.
TestBase::$originalFileDirectory	protected	property	The original file directory, before it was changed for testing purposes.
TestBase::$originalLanguage	protected	property	The original language.
TestBase::$originalPrefix	protected	property	The original database prefix when running inside Simpletest.
TestBase::$originalProfile	protected	property	The original installation profile.
TestBase::$originalSessionName	protected	property	The name of the session cookie of the test-runner.
TestBase::$originalSettings	protected	property	The settings array.
TestBase::$originalShutdownCallbacks	protected	property	The original array of shutdown function callbacks.	1
TestBase::$originalSite	protected	property	The site directory of the original parent site.
TestBase::$originalUser	protected	property	The original user, before testing began.	1
TestBase::$privateFilesDirectory	protected	property	The private file directory for the test environment.
TestBase::$publicFilesDirectory	protected	property	The public file directory for the test environment.
TestBase::$results	public	property	Current results of this test case.
TestBase::$siteDirectory	protected	property	The site directory of this test run.
TestBase::$skipClasses	protected	property	This class is skipped when looking for the source of an assertion.
TestBase::$strictConfigSchema	protected	property	Set to TRUE to strict check all configuration saved.	4
TestBase::$tempFilesDirectory	protected	property	The temporary file directory for the test environment.
TestBase::$testId	protected	property	The test run ID.
TestBase::$timeLimit	protected	property	Time limit for the test.
TestBase::$translationFilesDirectory	protected	property	The translation file directory for the test environment.
TestBase::$verbose	public	property	TRUE if verbose debugging is enabled.
TestBase::$verboseClassName	protected	property	Safe class name for use in verbose output filenames.
TestBase::$verboseDirectory	protected	property	Directory where verbose output files are put.
TestBase::$verboseDirectoryUrl	protected	property	URL to the verbose output file directory.
TestBase::$verboseId	protected	property	Incrementing identifier for verbose output filenames.
TestBase::assert	protected	function	Internal helper: stores the assert.
TestBase::assertEqual	protected	function	Check to see if two values are equal.
TestBase::assertErrorLogged	protected	function	Asserts that a specific error has been logged to the PHP error log.
TestBase::assertFalse	protected	function	Check to see if a value is false.
TestBase::assertIdentical	protected	function	Check to see if two values are identical.
TestBase::assertIdenticalObject	protected	function	Checks to see if two objects are identical.
TestBase::assertNoErrorsLogged	protected	function	Asserts that no errors have been logged to the PHP error.log thus far.
TestBase::assertNotEqual	protected	function	Check to see if two values are not equal.
TestBase::assertNotIdentical	protected	function	Check to see if two values are not identical.
TestBase::assertNotNull	protected	function	Check to see if a value is not NULL.
TestBase::assertNull	protected	function	Check to see if a value is NULL.
TestBase::assertTrue	protected	function	Check to see if a value is not false.
TestBase::changeDatabasePrefix	private	function	Changes the database connection to the prefixed one.
TestBase::config	protected	function	Configuration accessor for tests. Returns non-overridden configuration.
TestBase::configImporter	public	function	Returns a ConfigImporter object to import test importing of configuration.	5
TestBase::copyConfig	public	function	Copies configuration objects from source storage to target storage.
TestBase::deleteAssert	public static	function	Delete an assertion record by message ID.
TestBase::error	protected	function	Fire an error assertion.	3
TestBase::errorHandler	public	function	Handle errors during test runs.
TestBase::exceptionHandler	protected	function	Handle exceptions.
TestBase::fail	protected	function	Fire an assertion that is always negative.
TestBase::filePreDeleteCallback	public static	function	Ensures test files are deletable within file_unmanaged_delete_recursive().
TestBase::generatePermutations	public static	function	Converts a list of possible parameters into a stack of permutations.
TestBase::getAssertionCall	protected	function	Cycles through backtrace until the first non-assertion method is found.
TestBase::getConfigSchemaExclusions	protected	function	Gets the config schema exclusions for this test.
TestBase::getDatabaseConnection	public static	function	Returns the database connection to the site running Simpletest.
TestBase::getDatabasePrefix	public	function	Gets the database prefix.
TestBase::getTempFilesDirectory	public	function	Gets the temporary files directory.
TestBase::insertAssert	public static	function	Store an assertion from outside the testing context.
TestBase::pass	protected	function	Fire an assertion that is always positive.
TestBase::prepareDatabasePrefix	private	function	Generates a database prefix for running tests.
TestBase::prepareEnvironment	private	function	Prepares the current environment for running the test.
TestBase::restoreEnvironment	private	function	Cleans up the test environment and restores the original environment.
TestBase::run	public	function	Run all tests in this class.	1
TestBase::settingsSet	protected	function	Changes in memory settings.
TestBase::storeAssertion	protected	function	Helper method to store an assertion record in the configured database.
TestBase::verbose	protected	function	Logs a verbose message in a text file.
ToolkitGdTest::$black	protected	property
ToolkitGdTest::$blue	protected	property
ToolkitGdTest::$fuchsia	protected	property
ToolkitGdTest::$green	protected	property
ToolkitGdTest::$height	protected	property
ToolkitGdTest::$imageFactory	protected	property	The image factory service.
ToolkitGdTest::$modules	public static	property	Modules to enable. Overrides KernelTestBase::$modules
ToolkitGdTest::$red	protected	property
ToolkitGdTest::$rotateTransparent	protected	property
ToolkitGdTest::$transparent	protected	property
ToolkitGdTest::$white	protected	property
ToolkitGdTest::$width	protected	property
ToolkitGdTest::$yellow	protected	property
ToolkitGdTest::checkRequirements	protected	function	Checks the matching requirements for Test. Overrides TestBase::checkRequirements
ToolkitGdTest::colorsAreEqual		function	Function to compare two colors by RGBa.
ToolkitGdTest::getPixelColor		function	Function for finding a pixel's RGBa values.
ToolkitGdTest::setUp	protected	function	Performs setup tasks before each individual test method is run. Overrides KernelTestBase::setUp
ToolkitGdTest::testManipulations		function	Since PHP can't visually check that our images have been manipulated properly, build a list of expected color values for each of the corners and the expected height and widths for the final images.
ToolkitGdTest::testMissingOperation		function	Tests calling a missing image operation plugin.
ToolkitGdTest::testResourceDestruction	public	function	Tests that GD resources are freed from memory.
ToolkitGdTest::testTransparentColorOutOfRange		function	Tests loading an image whose transparent color index is out of range.

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class ToolkitGdTest in Zircon Profile 8

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