CssOptimizerUnitTest.php in Zircon Profile 8

Contains \Drupal\Tests\Core\Asset\CssOptimizerUnitTest.

Namespace

Drupal\Tests\Core\Asset

File

core/tests/Drupal/Tests/Core/Asset/CssOptimizerUnitTest.php

<?php

/**
 * @file
 * Contains \Drupal\Tests\Core\Asset\CssOptimizerUnitTest.
 */
namespace {

  /**
   * CssOptimizer uses file_create_url(), which *is* available when using the
   * Simpletest test runner, but not when using the PHPUnit test runner; hence
   * this hack.
   */
  if (!function_exists('file_create_url')) {

    /**
     * Temporary mock for file_create_url(), until that is moved into
     * Component/Utility.
     */
    function file_create_url($uri) {
      return 'file_create_url:' . $uri;
    }
  }
  if (!function_exists('file_uri_scheme')) {
    function file_uri_scheme($uri) {
      return FALSE;
    }
  }
}
namespace Drupal\Tests\Core\Asset {
  use Drupal\Core\Asset\CssOptimizer;
  use Drupal\Tests\UnitTestCase;

  /**
   * Tests the CSS asset optimizer.
   *
   * @group Asset
   */
  class CssOptimizerUnitTest extends UnitTestCase {

    /**
     * A CSS asset optimizer.
     *
     * @var \Drupal\Core\Asset\CssOptimizer object.
     */
    protected $optimizer;
    protected function setUp() {
      parent::setUp();
      $this->optimizer = new CssOptimizer();
    }

    /**
     * Provides data for the CSS asset optimizing test.
     */
    function providerTestOptimize() {
      $path = dirname(__FILE__) . '/css_test_files/';
      return array(
        // File. Tests:
        // - Stripped comments and white-space.
        // - Retain white-space in selectors. (https://www.drupal.org/node/472820)
        // - Retain pseudo-selectors. (https://www.drupal.org/node/460448)
        array(
          array(
            'group' => -100,
            'type' => 'file',
            'weight' => 0.012,
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => $path . 'css_input_without_import.css',
            'browsers' => array(
              'IE' => TRUE,
              '!IE' => TRUE,
            ),
            'basename' => 'css_input_without_import.css',
          ),
          file_get_contents($path . 'css_input_without_import.css.optimized.css'),
        ),
        // File. Tests:
        // - Proper URLs in imported files. (https://www.drupal.org/node/265719)
        // - A background image with relative paths, which must be rewritten.
        // - The rewritten background image path must also be passed through
        //   file_create_url(). (https://www.drupal.org/node/1961340)
        // - Imported files that are external (protocol-relative URL or not)
        //   should not be expanded. (https://www.drupal.org/node/2014851)
        array(
          array(
            'group' => -100,
            'type' => 'file',
            'weight' => 0.013,
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => $path . 'css_input_with_import.css',
            'browsers' => array(
              'IE' => TRUE,
              '!IE' => TRUE,
            ),
            'basename' => 'css_input_with_import.css',
          ),
          str_replace('url(images/icon.png)', 'url(' . file_create_url($path . 'images/icon.png') . ')', file_get_contents($path . 'css_input_with_import.css.optimized.css')),
        ),
        // File. Tests:
        // - Retain comment hacks.
        array(
          array(
            'group' => -100,
            'type' => 'file',
            'weight' => 0.013,
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => $path . 'comment_hacks.css',
            'browsers' => array(
              'IE' => TRUE,
              '!IE' => TRUE,
            ),
            'basename' => 'comment_hacks.css',
          ),
          file_get_contents($path . 'comment_hacks.css.optimized.css'),
        ),
        // File in subfolder. Tests:
        // - CSS import path is properly interpreted.
        //   (https://www.drupal.org/node/1198904)
        // - Don't adjust data URIs (https://www.drupal.org/node/2142441)
        array(
          array(
            'group' => -100,
            'type' => 'file',
            'weight' => 0.013,
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => $path . 'css_subfolder/css_input_with_import.css',
            'browsers' => array(
              'IE' => TRUE,
              '!IE' => TRUE,
            ),
            'basename' => 'css_input_with_import.css',
          ),
          str_replace('url(../images/icon.png)', 'url(' . file_create_url($path . 'images/icon.png') . ')', file_get_contents($path . 'css_subfolder/css_input_with_import.css.optimized.css')),
        ),
        // File. Tests:
        // - Any @charaset declaration at the beginning of a file should be
        //   removed without breaking subsequent CSS.
        array(
          array(
            'group' => -100,
            'type' => 'file',
            'weight' => 0.013,
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => $path . 'charset_sameline.css',
            'browsers' => array(
              'IE' => TRUE,
              '!IE' => TRUE,
            ),
            'basename' => 'charset_sameline.css',
          ),
          file_get_contents($path . 'charset.css.optimized.css'),
        ),
        array(
          array(
            'group' => -100,
            'type' => 'file',
            'weight' => 0.013,
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => $path . 'charset_newline.css',
            'browsers' => array(
              'IE' => TRUE,
              '!IE' => TRUE,
            ),
            'basename' => 'charset_newline.css',
          ),
          file_get_contents($path . 'charset.css.optimized.css'),
        ),
        array(
          array(
            'group' => -100,
            'type' => 'file',
            'weight' => 0.013,
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => $path . 'css_input_with_bom.css',
            'browsers' => array(
              'IE' => TRUE,
              '!IE' => TRUE,
            ),
            'basename' => 'css_input_with_bom.css',
          ),
          '.byte-order-mark-test{content:"☃";}' . "\n",
        ),
        array(
          array(
            'group' => -100,
            'type' => 'file',
            'weight' => 0.013,
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => $path . 'css_input_with_charset.css',
            'browsers' => array(
              'IE' => TRUE,
              '!IE' => TRUE,
            ),
            'basename' => 'css_input_with_charset.css',
          ),
          '.charset-test{content:"€";}' . "\n",
        ),
        array(
          array(
            'group' => -100,
            'type' => 'file',
            'weight' => 0.013,
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => $path . 'css_input_with_bom_and_charset.css',
            'browsers' => array(
              'IE' => TRUE,
              '!IE' => TRUE,
            ),
            'basename' => 'css_input_with_bom_and_charset.css',
          ),
          '.byte-order-mark-charset-test{content:"☃";}' . "\n",
        ),
        array(
          array(
            'group' => -100,
            'type' => 'file',
            'weight' => 0.013,
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => $path . 'css_input_with_utf16_bom.css',
            'browsers' => array(
              'IE' => TRUE,
              '!IE' => TRUE,
            ),
            'basename' => 'css_input_with_utf16_bom.css',
          ),
          '.utf16-byte-order-mark-test{content:"☃";}' . "\n",
        ),
      );
    }

    /**
     * Tests optimizing a CSS asset group containing 'type' => 'file'.
     *
     * @dataProvider providerTestOptimize
     */
    function testOptimize($css_asset, $expected) {
      $this
        ->assertEquals($expected, $this->optimizer
        ->optimize($css_asset), 'Group of file CSS assets optimized correctly.');
    }

    /**
     * Tests a file CSS asset with preprocessing disabled.
     */
    function testTypeFilePreprocessingDisabled() {
      $this
        ->setExpectedException('Exception', 'Only file CSS assets with preprocessing enabled can be optimized.');
      $css_asset = array(
        'group' => -100,
        'type' => 'file',
        'weight' => 0.012,
        'media' => 'all',
        // Preprocessing disabled.
        'preprocess' => FALSE,
        'data' => 'tests/Drupal/Tests/Core/Asset/foo.css',
        'browsers' => array(
          'IE' => TRUE,
          '!IE' => TRUE,
        ),
        'basename' => 'foo.css',
      );
      $this->optimizer
        ->optimize($css_asset);
    }

    /**
     * Tests a CSS asset with 'type' => 'external'.
     */
    function testTypeExternal() {
      $this
        ->setExpectedException('Exception', 'Only file or inline CSS assets can be optimized.');
      $css_asset = array(
        'group' => -100,
        // Type external.
        'type' => 'external',
        'weight' => 0.012,
        'media' => 'all',
        'preprocess' => TRUE,
        'data' => 'http://example.com/foo.js',
        'browsers' => array(
          'IE' => TRUE,
          '!IE' => TRUE,
        ),
      );
      $this->optimizer
        ->optimize($css_asset);
    }

  }
}

Classes

Name	Description
CssOptimizerUnitTest	Tests the CSS asset optimizer.