NodeEntityViewModeAlterTest.php in Drupal 8

Namespace

Drupal\Tests\node\Functional

File

core/modules/node/tests/src/Functional/NodeEntityViewModeAlterTest.php

<?php

namespace Drupal\Tests\node\Functional;

use Drupal\Core\Cache\Cache;
use Drupal\Tests\EntityViewTrait;

/**
 * Tests changing view modes for nodes.
 *
 * @group node
 */
class NodeEntityViewModeAlterTest extends NodeTestBase {
  use EntityViewTrait;

  /**
   * Enable dummy module that implements hook_ENTITY_TYPE_view() for nodes.
   */
  public static $modules = [
    'node_test',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * Create a "Basic page" node and verify its consistency in the database.
   */
  public function testNodeViewModeChange() {
    $web_user = $this
      ->drupalCreateUser([
      'create page content',
      'edit own page content',
    ]);
    $this
      ->drupalLogin($web_user);

    // Create a node.
    $edit = [];
    $edit['title[0][value]'] = $this
      ->randomMachineName(8);
    $edit['body[0][value]'] = t('Data that should appear only in the body for the node.');
    $edit['body[0][summary]'] = t('Extra data that should appear only in the teaser for the node.');
    $this
      ->drupalPostForm('node/add/page', $edit, t('Save'));
    $node = $this
      ->drupalGetNodeByTitle($edit['title[0][value]']);

    // Set the flag to alter the view mode and view the node.
    \Drupal::state()
      ->set('node_test_change_view_mode', 'teaser');
    Cache::invalidateTags([
      'rendered',
    ]);
    $this
      ->drupalGet('node/' . $node
      ->id());

    // Check that teaser mode is viewed.
    $this
      ->assertText('Extra data that should appear only in the teaser for the node.', 'Teaser text present');

    // Make sure body text is not present.
    $this
      ->assertNoText('Data that should appear only in the body for the node.', 'Body text not present');

    // Test that the correct build mode has been set.
    $build = $this
      ->buildEntityView($node);
    $this
      ->assertEqual($build['#view_mode'], 'teaser', 'The view mode has correctly been set to teaser.');
  }

}

Classes

Name	Description
NodeEntityViewModeAlterTest	Tests changing view modes for nodes.