LegacyStyleSheetsRemoveTest.php

<?php

namespace Drupal\Tests\system\Functional\Theme;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests the legacy stylesheets-remove key.
 *
 * @group system
 * @group legacy
 */
class LegacyStyleSheetsRemoveTest extends BrowserTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    \Drupal::service('theme_installer')->install([
      'test_legacy_stylesheets_remove',
    ]);
  }
  
  /**
   * Tests the stylesheets-remove key.
   *
   * @throws \Behat\Mink\Exception\ExpectationException
   */
  public function testStyleSheetsRemove() {
    $this->expectDeprecation('The theme info key stylesheets-remove implemented by theme test_legacy_stylesheets_remove is deprecated in drupal:8.0.0 and is removed from drupal:10.0.0. See https://www.drupal.org/node/2497313');
    \Drupal::configFactory()->getEditable('system.theme')
      ->set('default', 'classy')
      ->save();
    $this->drupalGet('<front>');
    $this->assertSession()
      ->responseContains('css/components/action-links.css?');
    $this->assertSession()
      ->responseContains('css/components/breadcrumb.css?');
    \Drupal::configFactory()->getEditable('system.theme')
      ->set('default', 'test_legacy_stylesheets_remove')
      ->save();
    $this->drupalGet('<front>');
    $this->assertSession()
      ->responseNotContains('css/components/action-links.css?');
    $this->assertSession()
      ->responseContains('css/components/breadcrumb.css?');
  }

}