StandardJavascriptTest.php

Same filename and directory in other branches
  1. 9 core/profiles/standard/tests/src/FunctionalJavascript/StandardJavascriptTest.php
  2. 8.9.x core/profiles/standard/tests/src/FunctionalJavascript/StandardJavascriptTest.php
  3. 10 core/profiles/standard/tests/src/FunctionalJavascript/StandardJavascriptTest.php

Namespace

Drupal\Tests\standard\FunctionalJavascript

File

core/profiles/standard/tests/src/FunctionalJavascript/StandardJavascriptTest.php

View source
<?php

declare (strict_types=1);
namespace Drupal\Tests\standard\FunctionalJavascript;

use Drupal\FunctionalJavascriptTests\WebDriverTestBase;
use Drupal\node\Entity\Node;

/**
 * Tests Standard installation profile JavaScript expectations.
 *
 * @group standard
 */
class StandardJavascriptTest extends WebDriverTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected $profile = 'standard';
  
  /**
   * Tests BigPipe accelerates particular Standard installation profile routes.
   */
  public function testBigPipe() : void {
    $this->drupalLogin($this->drupalCreateUser([
      'access content',
      'post comments',
      'skip comment approval',
    ]));
    $node = Node::create([
      'type' => 'article',
    ])->setTitle($this->randomMachineName())
      ->setPromoted(TRUE)
      ->setPublished();
    $node->save();
    // Front page: Five placeholders.
    $this->drupalGet('');
    $this->assertBigPipePlaceholderReplacementCount(5);
    // Front page with warm render caches: Zero placeholders.
    $this->drupalGet('');
    $this->assertBigPipePlaceholderReplacementCount(0);
    // Node page: Five placeholders.
    $this->drupalGet($node->toUrl());
    $this->assertBigPipePlaceholderReplacementCount(5);
    // Node page second request: One placeholder for the comment form.
    $this->drupalGet($node->toUrl());
    $this->assertBigPipePlaceholderReplacementCount(1);
  }
  
  /**
   * Asserts the number of BigPipe placeholders that are replaced on the page.
   *
   * @param int $expected_count
   *   The expected number of BigPipe placeholders.
   */
  protected function assertBigPipePlaceholderReplacementCount($expected_count) : void {
    $web_assert = $this->assertSession();
    if ($expected_count > 0) {
      $web_assert->waitForElement('css', 'script[data-big-pipe-event="stop"]');
    }
    $page = $this->getSession()
      ->getPage();
    // Settings are removed as soon as they are processed.
    if ($expected_count === 0) {
      $this->assertArrayNotHasKey('bigPipePlaceholderIds', $this->getDrupalSettings());
    }
    else {
      $this->assertCount(0, $this->getDrupalSettings()['bigPipePlaceholderIds']);
    }
    $this->assertCount($expected_count, $page->findAll('css', 'script[data-big-pipe-replacement-for-placeholder-with-id]'));
  }

}

Classes

Title Deprecated Summary
StandardJavascriptTest Tests Standard installation profile JavaScript expectations.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.