function AttachedAssetsTest::testAddFiles

Tests adding a CSS and a JavaScript file.

File

core/tests/Drupal/KernelTests/Core/Asset/AttachedAssetsTest.php, line 78

Class

AttachedAssetsTest

Tests #attached assets: attached asset libraries and JavaScript settings.

Namespace

Code

public function testAddFiles() {
    $build['#attached']['library'][] = 'common_test/files';
    $assets = AttachedAssets::createFromRenderArray($build);
    $css = $this->assetResolver
        ->getCssAssets($assets, FALSE);
    $js = $this->assetResolver
        ->getJsAssets($assets, FALSE)[1];
    $this->assertArrayHasKey('core/modules/system/tests/modules/common_test/bar.css', $css);
    $this->assertArrayHasKey('core/modules/system/tests/modules/common_test/foo.js', $js);
    $css_render_array = \Drupal::service('asset.css.collection_renderer')->render($css);
    $js_render_array = \Drupal::service('asset.js.collection_renderer')->render($js);
    $rendered_css = $this->renderer
        ->renderPlain($css_render_array);
    $rendered_js = $this->renderer
        ->renderPlain($js_render_array);
    $query_string = $this->container
        ->get('state')
        ->get('system.css_js_query_string') ?: '0';
    $this->assertStringContainsString('<link rel="stylesheet" media="all" href="' . file_url_transform_relative(file_create_url('core/modules/system/tests/modules/common_test/bar.css')) . '?' . $query_string . '" />', $rendered_css, 'Rendering an external CSS file.');
    $this->assertStringContainsString('<script src="' . file_url_transform_relative(file_create_url('core/modules/system/tests/modules/common_test/foo.js')) . '?' . $query_string . '"></script>', $rendered_js, 'Rendering an external JavaScript file.');
}