function ManyAssetsLoadOrderTest::testLoadOrder

Loads a page with many assets that have different but close weights.

Confirms the load order reflects the configured weights for each asset.

File

core/tests/Drupal/FunctionalTests/Libraries/ManyAssetsLoadOrderTest.php, line 31

Class

ManyAssetsLoadOrderTest

Tests the loading of many weighted assets.

Namespace

Code

public function testLoadOrder() : void {
  $this->drupalGet('many_assets_test');
  $js = $this->getSession()
    ->getPage()
    ->findAll('css', 'script[data-weight]');
  $js_files = array_map(fn($item) => $item->getAttribute('data-weight'), $js);
  $this->assertGreaterThan(0, count($js_files));
  $js_files_sorted = $js_files;
  asort($js_files_sorted);
  // If the JavaScript files are loading in the proper order, the sorted array
  // should match the unsorted one.
  $this->assertSame($js_files_sorted, $js_files);
  $css = $this->getSession()
    ->getPage()
    ->findAll('css', 'link[data-weight]');
  $css_files = array_map(fn($item) => $item->getAttribute('data-weight'), $css);
  $this->assertGreaterThan(0, count($css_files));
  $css_files_sorted = $css_files;
  asort($css_files_sorted);
  // If the CSS files are loading in the proper order, the sorted array should
  // match the unsorted one.
  $this->assertSame($css_files_sorted, $css_files);
}