ShortcutCacheTagsTest.php

<?php

namespace Drupal\Tests\shortcut\Functional;

use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Url;
use Drupal\shortcut\Entity\Shortcut;
use Drupal\Tests\system\Functional\Cache\AssertPageCacheContextsAndTagsTrait;
use Drupal\Tests\system\Functional\Entity\EntityCacheTagsTestBase;
use Drupal\user\Entity\Role;
use Drupal\user\RoleInterface;

/**
 * Tests the Shortcut entity's cache tags.
 *
 * @group shortcut
 */
class ShortcutCacheTagsTest extends EntityCacheTagsTestBase {
    use AssertPageCacheContextsAndTagsTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'toolbar',
        'shortcut',
        'test_page_test',
        'block',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Give anonymous users permission to customize shortcut links, so that we
        // can verify the cache tags of cached versions of shortcuts.
        $user_role = Role::load(RoleInterface::ANONYMOUS_ID);
        $user_role->grantPermission('customize shortcut links');
        $user_role->grantPermission('access shortcuts');
        $user_role->save();
    }
    
    /**
     * {@inheritdoc}
     */
    protected function createEntity() {
        // Create a "Llama" shortcut.
        $shortcut = Shortcut::create([
            'shortcut_set' => 'default',
            'title' => 'Llama',
            'weight' => 0,
            'link' => [
                [
                    'uri' => 'internal:/admin',
                ],
            ],
        ]);
        $shortcut->save();
        return $shortcut;
    }
    
    /**
     * Tests that when creating a shortcut, the shortcut set tag is invalidated.
     */
    public function testEntityCreation() {
        // Create a cache entry that is tagged with a shortcut set cache tag.
        $cache_tags = [
            'config:shortcut.set.default',
        ];
        \Drupal::cache('render')->set('foo', 'bar', CacheBackendInterface::CACHE_PERMANENT, $cache_tags);
        // Verify a cache hit.
        $this->verifyRenderCache('foo', $cache_tags);
        // Now create a shortcut entity in that shortcut set.
        $this->createEntity();
        // Verify a cache miss.
        $this->assertFalse(\Drupal::cache('render')->get('foo'), 'Creating a new shortcut invalidates the cache tag of the shortcut set.');
    }
    
    /**
     * Tests visibility and cacheability of shortcuts in the toolbar.
     */
    public function testToolbar() {
        $this->drupalPlaceBlock('page_title_block', [
            'id' => 'title',
        ]);
        $test_page_url = Url::fromRoute('test_page_test.test_page');
        $this->verifyPageCache($test_page_url, 'MISS');
        $this->verifyPageCache($test_page_url, 'HIT');
        // Ensure that without enabling the shortcuts-in-page-title-link feature
        // in the theme, the shortcut_list cache tag is not added to the page.
        $this->drupalLogin($this->rootUser);
        $this->drupalGet('admin/config/system/cron');
        $expected_cache_tags = [
            'block_view',
            'config:block.block.title',
            'config:block_list',
            'config:shortcut.set.default',
            'config:system.menu.admin',
            'config:system.theme',
            'config:user.role.authenticated',
            'rendered',
            'user:' . $this->rootUser
                ->id(),
        ];
        $this->assertCacheTags($expected_cache_tags);
        \Drupal::configFactory()->getEditable('stark.settings')
            ->set('third_party_settings.shortcut.module_link', TRUE)
            ->save(TRUE);
        // Add cron to the default shortcut set, now the shortcut list cache tag
        // is expected.
        $this->drupalGet('admin/config/system/cron');
        $this->clickLink('Add to Default shortcuts');
        $expected_cache_tags[] = 'config:shortcut_set_list';
        $this->assertCacheTags($expected_cache_tags);
        // Verify that users without the 'access shortcuts' permission can't see the
        // shortcuts.
        $this->drupalLogin($this->drupalCreateUser([
            'access toolbar',
        ]));
        $this->assertSession()
            ->linkNotExists('Shortcuts');
        $this->verifyDynamicPageCache($test_page_url, 'MISS');
        $this->verifyDynamicPageCache($test_page_url, 'HIT');
        // Verify that users without the 'administer site configuration' permission
        // can't see the cron shortcut but can see shortcuts toolbar tab.
        $this->drupalLogin($this->drupalCreateUser([
            'access toolbar',
            'access shortcuts',
        ]));
        $this->verifyDynamicPageCache($test_page_url, 'MISS');
        $this->verifyDynamicPageCache($test_page_url, 'HIT');
        $this->assertSession()
            ->linkExists('Shortcuts');
        $this->assertSession()
            ->linkNotExists('Cron');
        // Create a role with access to shortcuts as well as the necessary
        // permissions to see specific shortcuts.
        $site_configuration_role = $this->drupalCreateRole([
            'access toolbar',
            'access shortcuts',
            'administer site configuration',
            'access administration pages',
        ]);
        // Create two different users with the same role to assert that the second
        // user has a cache hit despite the user cache context, as
        // the returned cache contexts include those from lazy-builder content.
        $site_configuration_user1 = $this->drupalCreateUser();
        $site_configuration_user1->addRole($site_configuration_role);
        $site_configuration_user1->save();
        $site_configuration_user2 = $this->drupalCreateUser();
        $site_configuration_user2->addRole($site_configuration_role);
        $site_configuration_user2->save();
        $this->drupalLogin($site_configuration_user1);
        $this->verifyDynamicPageCache($test_page_url, 'MISS');
        $this->verifyDynamicPageCache($test_page_url, 'HIT');
        $this->assertCacheContexts([
            'user',
            'url.query_args:_wrapper_format',
        ]);
        $this->assertSession()
            ->linkExists('Shortcuts');
        $this->assertSession()
            ->linkExists('Cron');
        $this->drupalLogin($site_configuration_user2);
        $this->verifyDynamicPageCache($test_page_url, 'HIT');
        $this->assertCacheContexts([
            'user',
            'url.query_args:_wrapper_format',
        ]);
        $this->assertSession()
            ->linkExists('Shortcuts');
        $this->assertSession()
            ->linkExists('Cron');
        // Add another shortcut.
        $shortcut = Shortcut::create([
            'shortcut_set' => 'default',
            'title' => 'Llama',
            'weight' => 0,
            'link' => [
                [
                    'uri' => 'internal:/admin/config',
                ],
            ],
        ]);
        $shortcut->save();
        // The shortcuts are displayed in a lazy builder, so the page is still a
        // cache HIT but shows the new shortcut immediately.
        $this->verifyDynamicPageCache($test_page_url, 'HIT');
        $this->assertSession()
            ->linkExists('Cron');
        $this->assertSession()
            ->linkExists('Llama');
        // Update the shortcut title and assert that it is updated.
        $shortcut->set('title', 'Alpaca');
        $shortcut->save();
        $this->verifyDynamicPageCache($test_page_url, 'HIT');
        $this->assertSession()
            ->linkExists('Cron');
        $this->assertSession()
            ->linkExists('Alpaca');
        // Delete the shortcut and assert that the link is gone.
        $shortcut->delete();
        $this->verifyDynamicPageCache($test_page_url, 'HIT');
        $this->assertSession()
            ->linkExists('Cron');
        $this->assertSession()
            ->linkNotExists('Alpaca');
    }

}