class ImageTest in Zircon Profile 8

@coversDefaultClass \Drupal\Component\Utility\Image @group Image

Hierarchy

• class \Drupal\Tests\UnitTestCase extends \Drupal\Tests\PHPUnit_Framework_TestCase
  • class \Drupal\Tests\Component\Utility\ImageTest

File

core/tests/Drupal/Tests/Component/Utility/ImageTest.php, line 17

Contains \Drupal\Tests\Component\Utility\ImageTest.

Namespace

Drupal\Tests\Component\Utility

class ImageTest extends UnitTestCase {

  /**
   * Tests all control flow branches in image_dimensions_scale().
   *
   * @dataProvider providerTestScaleDimensions
   */
  public function testScaleDimensions($input, $output) {

    // Process the test dataset.
    $return_value = Image::scaleDimensions($input['dimensions'], $input['width'], $input['height'], $input['upscale']);

    // Check the width.
    $this
      ->assertEquals($output['dimensions']['width'], $input['dimensions']['width'], sprintf('Computed width (%s) does not equal expected width (%s)', $output['dimensions']['width'], $input['dimensions']['width']));

    // Check the height.
    $this
      ->assertEquals($output['dimensions']['height'], $input['dimensions']['height'], sprintf('Computed height (%s) does not equal expected height (%s)', $output['dimensions']['height'], $input['dimensions']['height']));

    // Check the return value.
    $this
      ->assertEquals($output['return_value'], $return_value, 'Incorrect return value.');
  }

  /**
   * Provides data for image dimension scale tests.
   *
   * @return array
   *   Keyed array containing:
   * - 'input' - Array which contains input for
   *   Image::scaleDimensions().
   * - 'output' - Array which contains expected output after passing
   *   through Image::scaleDimensions. Also contains a boolean
   *   'return_value' which should match the expected return value.
   *
   * @see testScaleDimensions()
   */
  public function providerTestScaleDimensions() {

    // Define input / output datasets to test different branch conditions.
    $tests = array();

    // Test branch conditions:
    // - No height.
    // - Upscale, don't need to upscale.
    $tests[] = array(
      'input' => array(
        'dimensions' => array(
          'width' => 1000,
          'height' => 2000,
        ),
        'width' => 200,
        'height' => NULL,
        'upscale' => TRUE,
      ),
      'output' => array(
        'dimensions' => array(
          'width' => 200,
          'height' => 400,
        ),
        'return_value' => TRUE,
      ),
    );

    // Test branch conditions:
    // - No width.
    // - Don't upscale, don't need to upscale.
    $tests[] = array(
      'input' => array(
        'dimensions' => array(
          'width' => 1000,
          'height' => 800,
        ),
        'width' => NULL,
        'height' => 140,
        'upscale' => FALSE,
      ),
      'output' => array(
        'dimensions' => array(
          'width' => 175,
          'height' => 140,
        ),
        'return_value' => TRUE,
      ),
    );

    // Test branch conditions:
    // - Source aspect ratio greater than target.
    // - Upscale, need to upscale.
    $tests[] = array(
      'input' => array(
        'dimensions' => array(
          'width' => 8,
          'height' => 20,
        ),
        'width' => 200,
        'height' => 140,
        'upscale' => TRUE,
      ),
      'output' => array(
        'dimensions' => array(
          'width' => 56,
          'height' => 140,
        ),
        'return_value' => TRUE,
      ),
    );

    // Test branch condition: target aspect ratio greater than source.
    $tests[] = array(
      'input' => array(
        'dimensions' => array(
          'width' => 2000,
          'height' => 800,
        ),
        'width' => 200,
        'height' => 140,
        'upscale' => FALSE,
      ),
      'output' => array(
        'dimensions' => array(
          'width' => 200,
          'height' => 80,
        ),
        'return_value' => TRUE,
      ),
    );

    // Test branch condition: don't upscale, need to upscale.
    $tests[] = array(
      'input' => array(
        'dimensions' => array(
          'width' => 100,
          'height' => 50,
        ),
        'width' => 200,
        'height' => 140,
        'upscale' => FALSE,
      ),
      'output' => array(
        'dimensions' => array(
          'width' => 100,
          'height' => 50,
        ),
        'return_value' => FALSE,
      ),
    );
    return $tests;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ImageTest::providerTestScaleDimensions	public	function	Provides data for image dimension scale tests.
ImageTest::testScaleDimensions	public	function	Tests all control flow branches in image_dimensions_scale().
UnitTestCase::$randomGenerator	protected	property	The random generator.
UnitTestCase::$root	protected	property	The app root.
UnitTestCase::assertArrayEquals	protected	function	Asserts if two arrays are equal by sorting them first.
UnitTestCase::getBlockMockWithMachineName	protected	function	Mocks a block with a block plugin.
UnitTestCase::getClassResolverStub	protected	function	Returns a stub class resolver.
UnitTestCase::getConfigFactoryStub	public	function	Returns a stub config factory that behaves according to the passed in array.
UnitTestCase::getConfigStorageStub	public	function	Returns a stub config storage that returns the supplied configuration.
UnitTestCase::getContainerWithCacheTagsInvalidator	protected	function	Sets up a container with a cache tags invalidator.
UnitTestCase::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
UnitTestCase::getStringTranslationStub	public	function	Returns a stub translation manager that just returns the passed string.
UnitTestCase::randomMachineName	public	function	Generates a unique random string containing letters and numbers.
UnitTestCase::setUp	protected	function		259