diff core/profiles/standard/tests/src/FunctionalJavascript/StandardJavascriptTest.php @ 14:1fec387a4317

Update Drupal core to 8.5.2 via Composer

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/profiles/standard/tests/src/FunctionalJavascript/StandardJavascriptTest.php	Mon Apr 23 09:46:53 2018 +0100
@@ -0,0 +1,62 @@
+<?php
+
+namespace Drupal\Tests\standard\FunctionalJavascript;
+
+use Drupal\FunctionalJavascriptTests\JavascriptTestBase;
+use Drupal\node\Entity\Node;
+
+/**
+ * Tests Standard installation profile JavaScript expectations.
+ *
+ * @group standard
+ */
+class StandardJavascriptTest extends JavascriptTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $profile = 'standard';
+
+  /**
+   * Tests BigPipe accelerates particular Standard installation profile routes.
+   */
+  public function testBigPipe() {
+    $this->drupalLogin($this->drupalCreateUser([
+      'access content',
+      'post comments',
+      'skip comment approval',
+    ]));
+
+    $node = Node::create(['type' => 'article'])
+      ->setTitle($this->randomMachineName())
+      ->setPromoted(TRUE)
+      ->setPublished(TRUE);
+    $node->save();
+
+    // Front page: one placeholder, for messages.
+    $this->drupalGet('');
+    $this->assertBigPipePlaceholderReplacementCount(1);
+
+    // Node page: 3 placeholders:
+    // 1. messages
+    // 2. local tasks block
+    // 3. comment form
+    $this->drupalGet($node->toUrl());
+    $this->assertBigPipePlaceholderReplacementCount(3);
+  }
+
+  /**
+   * 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) {
+    $web_assert = $this->assertSession();
+    $web_assert->waitForElement('css', 'script[data-big-pipe-event="stop"]');
+    $page = $this->getSession()->getPage();
+    $this->assertCount($expected_count, $this->getDrupalSettings()['bigPipePlaceholderIds']);
+    $this->assertCount($expected_count, $page->findAll('css', 'script[data-big-pipe-replacement-for-placeholder-with-id]'));
+  }
+
+}