BlockInstallTest.php in Drupal 9

Namespace

Drupal\Tests\block\Functional

File

core/modules/block/tests/src/Functional/BlockInstallTest.php

<?php

namespace Drupal\Tests\block\Functional;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests block module's installation.
 *
 * @group block
 */
class BlockInstallTest extends BrowserTestBase {

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  public function testCacheTagInvalidationUponInstallation() {

    // Warm the page cache.
    $this
      ->drupalGet('');
    $this
      ->assertSession()
      ->pageTextNotContains('Powered by Drupal');
    $this
      ->assertSession()
      ->responseHeaderNotContains('X-Drupal-Cache-Tags', 'config:block_list');

    // Install the block module, and place the "Powered by Drupal" block.
    $this->container
      ->get('module_installer')
      ->install([
      'block',
      'shortcut',
    ]);
    $this
      ->rebuildContainer();
    $this
      ->drupalPlaceBlock('system_powered_by_block');

    // Check the same page, block.module's hook_install() should have
    // invalidated the 'rendered' cache tag to make blocks show up.
    $this
      ->drupalGet('');
    $this
      ->assertSession()
      ->responseHeaderContains('X-Drupal-Cache-Tags', 'config:block_list');
    $this
      ->assertSession()
      ->pageTextContains('Powered by Drupal');
  }

}

Classes

Name	Description
BlockInstallTest	Tests block module's installation.