Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / web / core / modules / system / tests / src / Functional / Common / NoJavaScriptAnonymousTest.php

diff --git a/web/core/modules/system/tests/src/Functional/Common/NoJavaScriptAnonymousTest.php b/web/core/modules/system/tests/src/Functional/Common/NoJavaScriptAnonymousTest.php
new file mode 100644 (file)
index 0000000..2be4d79
--- /dev/null
+++ b/web/core/modules/system/tests/src/Functional/Common/NoJavaScriptAnonymousTest.php
@@ -0,0 +1,67 @@
+<?php
+
+namespace Drupal\Tests\system\Functional\Common;
+
+use Drupal\node\NodeInterface;
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests that anonymous users are not served any JavaScript in the Standard
+ * installation profile.
+ *
+ * @group Common
+ */
+class NoJavaScriptAnonymousTest extends BrowserTestBase {
+
+  protected $profile = 'standard';
+
+  protected function setUp() {
+    parent::setUp();
+
+    // Grant the anonymous user the permission to look at user profiles.
+    user_role_grant_permissions('anonymous', ['access user profiles']);
+  }
+
+  /**
+   * Tests that anonymous users are not served any JavaScript.
+   */
+  public function testNoJavaScript() {
+    // Create a node that is listed on the frontpage.
+    $this->drupalCreateNode([
+      'promote' => NodeInterface::PROMOTED,
+    ]);
+    $user = $this->drupalCreateUser();
+
+    // Test frontpage.
+    $this->drupalGet('');
+    $this->assertNoJavaScriptExceptHtml5Shiv();
+
+    // Test node page.
+    $this->drupalGet('node/1');
+    $this->assertNoJavaScriptExceptHtml5Shiv();
+
+    // Test user profile page.
+    $this->drupalGet('user/' . $user->id());
+    $this->assertNoJavaScriptExceptHtml5Shiv();
+  }
+
+  /**
+   * Passes if no JavaScript is found on the page except the HTML5 shiv.
+   *
+   * The HTML5 shiv is necessary for e.g. the <article> tag which Drupal 8 uses
+   * to work in older browsers like Internet Explorer 8.
+   */
+  protected function assertNoJavaScriptExceptHtml5Shiv() {
+    // Ensure drupalSettings is not set.
+    $settings = $this->getDrupalSettings();
+    $this->assertTrue(empty($settings), 'drupalSettings is not set.');
+
+    // Ensure the HTML5 shiv exists.
+    $this->assertRaw('html5shiv/html5shiv.min.js', 'HTML5 shiv JavaScript exists.');
+
+    // Ensure no other JavaScript file exists on the page, while ignoring the
+    // HTML5 shiv.
+    $this->assertNoPattern('/(?<!html5shiv\.min)\.js/', "No other JavaScript exists.");
+  }
+
+}