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[yaffs-website] / web / core / modules / system / tests / src / Functional / Cache / SessionExistsCacheContextTest.php

diff --git a/web/core/modules/system/tests/src/Functional/Cache/SessionExistsCacheContextTest.php b/web/core/modules/system/tests/src/Functional/Cache/SessionExistsCacheContextTest.php
new file mode 100644 (file)
index 0000000..78fb983
--- /dev/null
+++ b/web/core/modules/system/tests/src/Functional/Cache/SessionExistsCacheContextTest.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace Drupal\Tests\system\Functional\Cache;
+
+use Drupal\Core\Url;
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests the 'session.exists' cache context service.
+ *
+ * @group Cache
+ */
+class SessionExistsCacheContextTest extends BrowserTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['session_exists_cache_context_test'];
+
+  /**
+   * Tests \Drupal\Core\Cache\Context\SessionExistsCacheContext::getContext().
+   */
+  public function testCacheContext() {
+    $this->dumpHeaders = TRUE;
+
+    // 1. No session (anonymous).
+    $this->assertSessionCookieOnClient(FALSE);
+    $this->drupalGet(Url::fromRoute('<front>'));
+    $this->assertSessionCookieOnClient(FALSE);
+    $this->assertRaw('Session does not exist!');
+    $this->assertRaw('[session.exists]=0');
+
+    // 2. Session (authenticated).
+    $this->assertSessionCookieOnClient(FALSE);
+    $this->drupalLogin($this->rootUser);
+    $this->assertSessionCookieOnClient(TRUE);
+    $this->assertRaw('Session exists!');
+    $this->assertRaw('[session.exists]=1');
+    $this->drupalLogout();
+    $this->assertSessionCookieOnClient(FALSE);
+    $this->assertRaw('Session does not exist!');
+    $this->assertRaw('[session.exists]=0');
+
+    // 3. Session (anonymous).
+    $this->assertSessionCookieOnClient(FALSE);
+    $this->drupalGet(Url::fromRoute('<front>', [], ['query' => ['trigger_session' => 1]]));
+    $this->assertSessionCookieOnClient(TRUE);
+    $this->assertRaw('Session does not exist!');
+    $this->assertRaw('[session.exists]=0');
+    $this->drupalGet(Url::fromRoute('<front>'));
+    $this->assertSessionCookieOnClient(TRUE);
+    $this->assertRaw('Session exists!');
+    $this->assertRaw('[session.exists]=1');
+  }
+
+  /**
+   * Asserts whether a session cookie is present on the client or not.
+   */
+  public function assertSessionCookieOnClient($expected_present) {
+    $this->assertEqual($expected_present, (bool) $this->getSession()->getCookie($this->getSessionName()), 'Session cookie exists.');
+  }
+
+}