NodeBlockFunctionalTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\node\Functional;

use Drupal\block\Entity\Block;
use Drupal\Core\Database\Database;
use Drupal\Core\EventSubscriber\MainContentViewSubscriber;
use Drupal\Core\Url;
use Drupal\Tests\system\Functional\Cache\AssertPageCacheContextsAndTagsTrait;
use Drupal\user\RoleInterface;

/**
 * Tests node block functionality.
 *
 * @group node
 */
class NodeBlockFunctionalTest extends NodeTestBase {
    use AssertPageCacheContextsAndTagsTrait;
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * An administrative user for testing.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $adminUser;
    
    /**
     * An unprivileged user for testing.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $webUser;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'block',
        'views',
        'node_block_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Create users and test node.
        $this->adminUser = $this->drupalCreateUser([
            'administer content types',
            'administer nodes',
            'bypass node access',
            'administer blocks',
            'access content overview',
        ]);
        $this->webUser = $this->drupalCreateUser([
            'access content',
            'create article content',
        ]);
    }
    
    /**
     * Tests the recent comments block.
     */
    public function testRecentNodeBlock() : void {
        $this->drupalLogin($this->adminUser);
        // Disallow anonymous users to view content.
        user_role_change_permissions(RoleInterface::ANONYMOUS_ID, [
            'access content' => FALSE,
        ]);
        // Enable the recent content block with two items.
        $block = $this->drupalPlaceBlock('views_block:content_recent-block_1', [
            'id' => 'test_block',
            'items_per_page' => 2,
        ]);
        // Test that block is not visible without nodes.
        $this->drupalGet('');
        $this->assertSession()
            ->pageTextContains('No content available.');
        // Add some test nodes.
        $default_settings = [
            'uid' => $this->webUser
                ->id(),
            'type' => 'article',
        ];
        $node1 = $this->drupalCreateNode($default_settings);
        $node2 = $this->drupalCreateNode($default_settings);
        $node3 = $this->drupalCreateNode($default_settings);
        // Create a second revision of node1.
        $node1_revision_1 = $node1;
        $node1->setNewRevision(TRUE);
        $node1->setTitle('Node revision 2 title');
        $node1->save();
        $connection = Database::getConnection();
        // Change the changed time for node so that we can test ordering.
        $connection->update('node_field_data')
            ->fields([
            'changed' => $node1->getChangedTime() + 100,
        ])
            ->condition('nid', $node2->id())
            ->execute();
        $connection->update('node_field_data')
            ->fields([
            'changed' => $node1->getChangedTime() + 200,
        ])
            ->condition('nid', $node3->id())
            ->execute();
        // Test that a user without the 'access content' permission cannot
        // see the block.
        $this->drupalLogout();
        $this->drupalGet('');
        $this->assertSession()
            ->pageTextNotContains($block->label());
        // Test that only the 2 latest nodes are shown.
        $this->drupalLogin($this->webUser);
        $this->assertSession()
            ->pageTextNotContains($node1->label());
        $this->assertSession()
            ->pageTextContains($node2->label());
        $this->assertSession()
            ->pageTextContains($node3->label());
        // Check to make sure nodes are in the right order.
        $this->assertSession()
            ->elementExists('xpath', '//div[@id="block-test-block"]//div[@class="item-list"]/ul/li[1]/div/span/a[text() = "' . $node3->label() . '"]');
        $this->drupalLogout();
        $this->drupalLogin($this->adminUser);
        // Set the number of recent nodes to show to 10.
        $block->getPlugin()
            ->setConfigurationValue('items_per_page', 10);
        $block->save();
        // Post an additional node.
        $node4 = $this->drupalCreateNode($default_settings);
        // Test that all four nodes are shown.
        $this->drupalGet('');
        $this->assertSession()
            ->pageTextContains($node1->label());
        $this->assertSession()
            ->pageTextContains($node2->label());
        $this->assertSession()
            ->pageTextContains($node3->label());
        $this->assertSession()
            ->pageTextContains($node4->label());
        $this->assertCacheContexts([
            'languages:language_content',
            'languages:language_interface',
            'theme',
            'url.query_args:' . MainContentViewSubscriber::WRAPPER_FORMAT,
            'url.site',
            'user',
        ]);
        // Enable the "Powered by Drupal" block only on article nodes.
        $theme = \Drupal::service('theme_handler')->getDefault();
        $this->drupalGet("admin/structure/block/add/system_powered_by_block/{$theme}");
        $this->assertSession()
            ->pageTextContains('Content type');
        $edit = [
            'id' => $this->randomMachineName(),
            'region' => 'sidebar_first',
            'visibility[entity_bundle:node][bundles][article]' => 'article',
        ];
        $this->submitForm($edit, 'Save block');
        $block = Block::load($edit['id']);
        $visibility = $block->getVisibility();
        $this->assertTrue(isset($visibility['entity_bundle:node']['bundles']['article']), 'Visibility settings were saved to configuration');
        // Create a page node.
        $node5 = $this->drupalCreateNode([
            'uid' => $this->adminUser
                ->id(),
            'type' => 'page',
        ]);
        $this->drupalLogout();
        $this->drupalLogin($this->webUser);
        // Verify visibility rules.
        $this->drupalGet('');
        $label = $block->label();
        // Check that block is not displayed on the front page.
        $this->assertSession()
            ->pageTextNotContains($label);
        $this->assertCacheContexts([
            'languages:language_content',
            'languages:language_interface',
            'theme',
            'url.query_args:' . MainContentViewSubscriber::WRAPPER_FORMAT,
            'url.site',
            'user',
            'route',
        ]);
        // Ensure that a page that does not have a node context can still be cached,
        // the front page is the user page which is already cached from the login
        // request above.
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Dynamic-Cache', 'HIT');
        $this->drupalGet('node/add/article');
        // Check that block is displayed on the add article page.
        $this->assertSession()
            ->pageTextContains($label);
        $this->assertCacheContexts([
            'languages:language_content',
            'languages:language_interface',
            'session',
            'theme',
            'url.path',
            'url.query_args',
            'user',
            'route',
        ]);
        // The node/add/article page is an admin path and currently uncacheable.
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Dynamic-Cache', 'UNCACHEABLE');
        $this->drupalGet('node/' . $node1->id());
        // Check that block is displayed on the node page when node is of type
        // 'article'.
        $this->assertSession()
            ->pageTextContains($label);
        $this->assertCacheContexts([
            'languages:language_content',
            'languages:language_interface',
            'theme',
            'url.query_args:' . MainContentViewSubscriber::WRAPPER_FORMAT,
            'url.site',
            'user',
            'route',
            'timezone',
        ]);
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Dynamic-Cache', 'MISS');
        $this->drupalGet('node/' . $node1->id());
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Dynamic-Cache', 'HIT');
        $this->drupalGet('node/' . $node5->id());
        // Check that block is not displayed on the node page when node is of type
        // 'page'.
        $this->assertSession()
            ->pageTextNotContains($label);
        $this->assertCacheContexts([
            'languages:language_content',
            'languages:language_interface',
            'theme',
            'url.query_args:' . MainContentViewSubscriber::WRAPPER_FORMAT,
            'url.site',
            'user',
            'route',
            'timezone',
        ]);
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Dynamic-Cache', 'MISS');
        $this->drupalGet('node/' . $node5->id());
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Dynamic-Cache', 'HIT');
        // Place a block to determine which revision is provided as context
        // to blocks.
        $this->drupalPlaceBlock('node_block_test_context', [
            'context_mapping' => [
                'node' => '@node.node_route_context:node',
            ],
        ]);
        $this->drupalLogin($this->adminUser);
        $this->drupalGet('node/' . $node1->id());
        $this->assertSession()
            ->pageTextContains($label);
        $this->assertSession()
            ->pageTextContains('Displaying node #' . $node1->id() . ', revision #' . $node1->getRevisionId() . ': Node revision 2 title');
        // Assert that the preview page displays the block as well.
        $this->drupalGet('node/' . $node1->id() . '/edit');
        $this->submitForm([], 'Preview');
        $this->assertSession()
            ->pageTextContains($label);
        // The previewed node object has no revision ID.
        $this->assertSession()
            ->pageTextContains('Displaying node #' . $node1->id() . ', revision #: Node revision 2 title');
        // Assert that the revision page for both revisions displays the block.
        $this->drupalGet(Url::fromRoute('entity.node.revision', [
            'node' => $node1->id(),
            'node_revision' => $node1_revision_1->getRevisionId(),
        ]));
        $this->assertSession()
            ->pageTextContains($label);
        $this->assertSession()
            ->pageTextContains('Displaying node #' . $node1->id() . ', revision #' . $node1_revision_1->getRevisionId() . ': ' . $node1_revision_1->label());
        $this->drupalGet(Url::fromRoute('entity.node.revision', [
            'node' => $node1->id(),
            'node_revision' => $node1->getRevisionId(),
        ]));
        $this->assertSession()
            ->pageTextContains($label);
        $this->assertSession()
            ->pageTextContains('Displaying node #' . $node1->id() . ', revision #' . $node1->getRevisionId() . ': Node revision 2 title');
        $this->drupalGet('admin/structure/block');
        // Check that block is displayed on the admin/structure/block page.
        $this->assertSession()
            ->pageTextContains($label);
        $this->assertSession()
            ->linkByHrefExists($block->toUrl()
            ->toString());
    }

}