CssCollectionRendererUnitTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Core\Asset;

use Drupal\Core\Asset\AssetQueryStringInterface;
use Drupal\Core\Asset\CssCollectionRenderer;
use Drupal\Core\File\FileUrlGeneratorInterface;
use Drupal\Core\State\StateInterface;
use Drupal\Tests\UnitTestCase;

/**
 * Tests the CSS asset collection renderer.
 *
 * @group Asset
 */
class CssCollectionRendererUnitTest extends UnitTestCase {

  /**
   * A CSS asset renderer.
   *
   * @var \Drupal\Core\Asset\CssCollectionRenderer
   */
  protected $renderer;

  /**
   * A valid file CSS asset group.
   *
   * @var array
   */
  protected $fileCssGroup;

  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $state = $this
      ->prophesize(StateInterface::class);
    $assetQueryString = $this
      ->prophesize(AssetQueryStringInterface::class);
    $file_url_generator = $this
      ->createMock(FileUrlGeneratorInterface::class);
    $file_url_generator
      ->expects($this
      ->any())
      ->method('generateString')
      ->with($this
      ->isType('string'))
      ->willReturnCallback(function ($uri) {
      return 'generated-relative-url:' . $uri;
    });
    $assetQueryString
      ->get()
      ->shouldBeCalledOnce()
      ->willReturn('');
    $this->renderer = new CssCollectionRenderer($assetQueryString
      ->reveal(), $file_url_generator);
    $this->fileCssGroup = [
      'group' => -100,
      'type' => 'file',
      'media' => 'all',
      'preprocess' => TRUE,
      'items' => [
        0 => [
          'group' => -100,
          'type' => 'file',
          'weight' => 0.012,
          'media' => 'all',
          'preprocess' => TRUE,
          'data' => 'tests/Drupal/Tests/Core/Asset/foo.css',
          'basename' => 'foo.css',
        ],
        1 => [
          'group' => -100,
          'type' => 'file',
          'weight' => 0.013,
          'media' => 'all',
          'preprocess' => TRUE,
          'data' => 'tests/Drupal/Tests/Core/Asset/bar.css',
          'basename' => 'bar.css',
        ],
      ],
    ];
  }

  /**
   * Provides data for the CSS asset rendering test.
   *
   * @see testRender
   */
  public static function providerTestRender() {
    $create_link_element = function ($href, $media = 'all', $custom_attributes = []) {
      $attributes = [
        'rel' => 'stylesheet',
        'media' => $media,
        'href' => $href,
      ];
      return [
        '#type' => 'html_tag',
        '#tag' => 'link',
        '#attributes' => array_replace($attributes, $custom_attributes),
      ];
    };
    $create_file_css_asset = function ($data, $media = 'all', $preprocess = TRUE) {
      return [
        'group' => 0,
        'type' => 'file',
        'media' => $media,
        'preprocess' => $preprocess,
        'data' => $data,
      ];
    };

    // cspell:disable-next-line
    $custom_attributes = [
      'integrity' => 'sha384-psK1OYPAYjYUhtDYW+Pj2yc',
      'crossorigin' => 'anonymous',
      'random-attribute' => 'test',
    ];
    return [
      // Single external CSS asset.
      0 => [
        // CSS assets.
        [
          0 => [
            'group' => 0,
            'type' => 'external',
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => 'http://example.com/popular.js',
          ],
        ],
        // Render elements.
        [
          0 => $create_link_element('http://example.com/popular.js', 'all'),
        ],
      ],
      // Single file CSS asset.
      1 => [
        [
          0 => [
            'group' => 0,
            'type' => 'file',
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => 'public://css/file-all',
          ],
        ],
        [
          0 => $create_link_element('generated-relative-url:public://css/file-all' . '?', 'all'),
        ],
      ],
      // Single file CSS asset with custom attributes.
      2 => [
        [
          0 => [
            'group' => 0,
            'type' => 'file',
            'media' => 'all',
            'preprocess' => TRUE,
            'data' => 'public://css/file-all',
            'attributes' => $custom_attributes,
          ],
        ],
        [
          0 => $create_link_element('generated-relative-url:public://css/file-all' . '?', 'all', $custom_attributes),
        ],
      ],
      // 31 file CSS assets: expect 31 link elements.
      3 => [
        [
          0 => $create_file_css_asset('public://css/1.css'),
          1 => $create_file_css_asset('public://css/2.css'),
          2 => $create_file_css_asset('public://css/3.css'),
          3 => $create_file_css_asset('public://css/4.css'),
          4 => $create_file_css_asset('public://css/5.css'),
          5 => $create_file_css_asset('public://css/6.css'),
          6 => $create_file_css_asset('public://css/7.css'),
          7 => $create_file_css_asset('public://css/8.css'),
          8 => $create_file_css_asset('public://css/9.css'),
          9 => $create_file_css_asset('public://css/10.css'),
          10 => $create_file_css_asset('public://css/11.css'),
          11 => $create_file_css_asset('public://css/12.css'),
          12 => $create_file_css_asset('public://css/13.css'),
          13 => $create_file_css_asset('public://css/14.css'),
          14 => $create_file_css_asset('public://css/15.css'),
          15 => $create_file_css_asset('public://css/16.css'),
          16 => $create_file_css_asset('public://css/17.css'),
          17 => $create_file_css_asset('public://css/18.css'),
          18 => $create_file_css_asset('public://css/19.css'),
          19 => $create_file_css_asset('public://css/20.css'),
          20 => $create_file_css_asset('public://css/21.css'),
          21 => $create_file_css_asset('public://css/22.css'),
          22 => $create_file_css_asset('public://css/23.css'),
          23 => $create_file_css_asset('public://css/24.css'),
          24 => $create_file_css_asset('public://css/25.css'),
          25 => $create_file_css_asset('public://css/26.css'),
          26 => $create_file_css_asset('public://css/27.css'),
          27 => $create_file_css_asset('public://css/28.css'),
          28 => $create_file_css_asset('public://css/29.css'),
          29 => $create_file_css_asset('public://css/30.css'),
          30 => $create_file_css_asset('public://css/31.css'),
        ],
        [
          0 => $create_link_element('generated-relative-url:public://css/1.css' . '?'),
          1 => $create_link_element('generated-relative-url:public://css/2.css' . '?'),
          2 => $create_link_element('generated-relative-url:public://css/3.css' . '?'),
          3 => $create_link_element('generated-relative-url:public://css/4.css' . '?'),
          4 => $create_link_element('generated-relative-url:public://css/5.css' . '?'),
          5 => $create_link_element('generated-relative-url:public://css/6.css' . '?'),
          6 => $create_link_element('generated-relative-url:public://css/7.css' . '?'),
          7 => $create_link_element('generated-relative-url:public://css/8.css' . '?'),
          8 => $create_link_element('generated-relative-url:public://css/9.css' . '?'),
          9 => $create_link_element('generated-relative-url:public://css/10.css' . '?'),
          10 => $create_link_element('generated-relative-url:public://css/11.css' . '?'),
          11 => $create_link_element('generated-relative-url:public://css/12.css' . '?'),
          12 => $create_link_element('generated-relative-url:public://css/13.css' . '?'),
          13 => $create_link_element('generated-relative-url:public://css/14.css' . '?'),
          14 => $create_link_element('generated-relative-url:public://css/15.css' . '?'),
          15 => $create_link_element('generated-relative-url:public://css/16.css' . '?'),
          16 => $create_link_element('generated-relative-url:public://css/17.css' . '?'),
          17 => $create_link_element('generated-relative-url:public://css/18.css' . '?'),
          18 => $create_link_element('generated-relative-url:public://css/19.css' . '?'),
          19 => $create_link_element('generated-relative-url:public://css/20.css' . '?'),
          20 => $create_link_element('generated-relative-url:public://css/21.css' . '?'),
          21 => $create_link_element('generated-relative-url:public://css/22.css' . '?'),
          22 => $create_link_element('generated-relative-url:public://css/23.css' . '?'),
          23 => $create_link_element('generated-relative-url:public://css/24.css' . '?'),
          24 => $create_link_element('generated-relative-url:public://css/25.css' . '?'),
          25 => $create_link_element('generated-relative-url:public://css/26.css' . '?'),
          26 => $create_link_element('generated-relative-url:public://css/27.css' . '?'),
          27 => $create_link_element('generated-relative-url:public://css/28.css' . '?'),
          28 => $create_link_element('generated-relative-url:public://css/29.css' . '?'),
          29 => $create_link_element('generated-relative-url:public://css/30.css' . '?'),
          30 => $create_link_element('generated-relative-url:public://css/31.css' . '?'),
        ],
      ],
      // 32 file CSS assets with the same properties, except for the 10th and
      // 20th files, they have different 'media' properties.
      4 => [
        [
          0 => $create_file_css_asset('public://css/1.css'),
          1 => $create_file_css_asset('public://css/2.css'),
          2 => $create_file_css_asset('public://css/3.css'),
          3 => $create_file_css_asset('public://css/4.css'),
          4 => $create_file_css_asset('public://css/5.css'),
          5 => $create_file_css_asset('public://css/6.css'),
          6 => $create_file_css_asset('public://css/7.css'),
          7 => $create_file_css_asset('public://css/8.css'),
          8 => $create_file_css_asset('public://css/9.css'),
          9 => $create_file_css_asset('public://css/10.css', 'screen'),
          10 => $create_file_css_asset('public://css/11.css'),
          11 => $create_file_css_asset('public://css/12.css'),
          12 => $create_file_css_asset('public://css/13.css'),
          13 => $create_file_css_asset('public://css/14.css'),
          14 => $create_file_css_asset('public://css/15.css'),
          15 => $create_file_css_asset('public://css/16.css'),
          16 => $create_file_css_asset('public://css/17.css'),
          17 => $create_file_css_asset('public://css/18.css'),
          18 => $create_file_css_asset('public://css/19.css'),
          19 => $create_file_css_asset('public://css/20.css', 'print'),
          20 => $create_file_css_asset('public://css/21.css'),
          21 => $create_file_css_asset('public://css/22.css'),
          22 => $create_file_css_asset('public://css/23.css'),
          23 => $create_file_css_asset('public://css/24.css'),
          24 => $create_file_css_asset('public://css/25.css'),
          25 => $create_file_css_asset('public://css/26.css'),
          26 => $create_file_css_asset('public://css/27.css'),
          27 => $create_file_css_asset('public://css/28.css'),
          28 => $create_file_css_asset('public://css/29.css'),
          29 => $create_file_css_asset('public://css/30.css'),
          30 => $create_file_css_asset('public://css/31.css'),
          31 => $create_file_css_asset('public://css/32.css'),
        ],
        [
          0 => $create_link_element('generated-relative-url:public://css/1.css' . '?'),
          1 => $create_link_element('generated-relative-url:public://css/2.css' . '?'),
          2 => $create_link_element('generated-relative-url:public://css/3.css' . '?'),
          3 => $create_link_element('generated-relative-url:public://css/4.css' . '?'),
          4 => $create_link_element('generated-relative-url:public://css/5.css' . '?'),
          5 => $create_link_element('generated-relative-url:public://css/6.css' . '?'),
          6 => $create_link_element('generated-relative-url:public://css/7.css' . '?'),
          7 => $create_link_element('generated-relative-url:public://css/8.css' . '?'),
          8 => $create_link_element('generated-relative-url:public://css/9.css' . '?'),
          9 => $create_link_element('generated-relative-url:public://css/10.css' . '?', 'screen'),
          10 => $create_link_element('generated-relative-url:public://css/11.css' . '?'),
          11 => $create_link_element('generated-relative-url:public://css/12.css' . '?'),
          12 => $create_link_element('generated-relative-url:public://css/13.css' . '?'),
          13 => $create_link_element('generated-relative-url:public://css/14.css' . '?'),
          14 => $create_link_element('generated-relative-url:public://css/15.css' . '?'),
          15 => $create_link_element('generated-relative-url:public://css/16.css' . '?'),
          16 => $create_link_element('generated-relative-url:public://css/17.css' . '?'),
          17 => $create_link_element('generated-relative-url:public://css/18.css' . '?'),
          18 => $create_link_element('generated-relative-url:public://css/19.css' . '?'),
          19 => $create_link_element('generated-relative-url:public://css/20.css' . '?', 'print'),
          20 => $create_link_element('generated-relative-url:public://css/21.css' . '?'),
          21 => $create_link_element('generated-relative-url:public://css/22.css' . '?'),
          22 => $create_link_element('generated-relative-url:public://css/23.css' . '?'),
          23 => $create_link_element('generated-relative-url:public://css/24.css' . '?'),
          24 => $create_link_element('generated-relative-url:public://css/25.css' . '?'),
          25 => $create_link_element('generated-relative-url:public://css/26.css' . '?'),
          26 => $create_link_element('generated-relative-url:public://css/27.css' . '?'),
          27 => $create_link_element('generated-relative-url:public://css/28.css' . '?'),
          28 => $create_link_element('generated-relative-url:public://css/29.css' . '?'),
          29 => $create_link_element('generated-relative-url:public://css/30.css' . '?'),
          30 => $create_link_element('generated-relative-url:public://css/31.css' . '?'),
          31 => $create_link_element('generated-relative-url:public://css/32.css' . '?'),
        ],
      ],
    ];
  }

  /**
   * Tests CSS asset rendering.
   *
   * @dataProvider providerTestRender
   */
  public function testRender(array $css_assets, array $render_elements) {
    $this
      ->assertSame($render_elements, $this->renderer
      ->render($css_assets));
  }

  /**
   * Tests a CSS asset group with the invalid 'type' => 'internal'.
   */
  public function testRenderInvalidType() {
    $this
      ->expectException('Exception');
    $this
      ->expectExceptionMessage('Invalid CSS asset type.');
    $css_group = [
      'group' => 0,
      'type' => 'internal',
      'media' => 'all',
      'preprocess' => TRUE,
      'data' => 'http://example.com/popular.js',
    ];
    $this->renderer
      ->render([
      $css_group,
    ]);
  }

}