function AttachedAssetsTest::testVersionQueryString

Tests JavaScript versioning.

File

core/tests/Drupal/KernelTests/Core/Asset/AttachedAssetsTest.php, line 276

Class

AttachedAssetsTest

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

Namespace

Code

public function testVersionQueryString() {
    $build['#attached']['library'][] = 'core/backbone';
    $assets = AttachedAssets::createFromRenderArray($build);
    $js = $this->assetResolver
        ->getJsAssets($assets, FALSE)[1];
    $js_render_array = \Drupal::service('asset.js.collection_renderer')->render($js);
    $rendered_js = $this->renderer
        ->renderPlain($js_render_array);
    $this->assertStringContainsString('core/assets/vendor/backbone/backbone-min.js?v=1.4.0', $rendered_js, 'JavaScript version identifiers correctly appended to URLs');
}