From 5cb79b4b217e9aa315d61284398cce132c28bea4 Mon Sep 17 00:00:00 2001
From: David Rothstein <drothstein@gmail.com>
Date: Wed, 17 Jun 2015 14:38:44 -0400
Subject: Drupal 7.38

---
 modules/simpletest/tests/common.test | 55 +++++++++++++++++++++++++++++++++++-
 1 file changed, 54 insertions(+), 1 deletion(-)

(limited to 'modules/simpletest')

diff --git a/modules/simpletest/tests/common.test b/modules/simpletest/tests/common.test
index fcc9791a4..bf8557619 100644
--- a/modules/simpletest/tests/common.test
+++ b/modules/simpletest/tests/common.test
@@ -2117,7 +2117,7 @@ class DrupalRenderTestCase extends DrupalWebTestCase {
   }
 
   /**
-   * Tests caching of an empty render item.
+   * Tests caching of render items.
    */
   function testDrupalRenderCache() {
     // Force a request via GET.
@@ -2143,6 +2143,59 @@ class DrupalRenderTestCase extends DrupalWebTestCase {
     drupal_render($element);
     $this->assertFalse(isset($element['#printed']), 'Cache hit');
 
+    // Test that user 1 does not share the cache with other users who have the
+    // same roles, even when DRUPAL_CACHE_PER_ROLE is used.
+    $user1 = user_load(1);
+    $first_authenticated_user = $this->drupalCreateUser();
+    $second_authenticated_user = $this->drupalCreateUser();
+    $user1->roles = array_intersect_key($user1->roles, array(DRUPAL_AUTHENTICATED_RID => TRUE));
+    user_save($user1);
+    // Load all the accounts again, to make sure we have complete account
+    // objects.
+    $user1 = user_load(1);
+    $first_authenticated_user = user_load($first_authenticated_user->uid);
+    $second_authenticated_user = user_load($second_authenticated_user->uid);
+    $this->assertEqual($user1->roles, $first_authenticated_user->roles, 'User 1 has the same roles as an authenticated user.');
+    // Impersonate user 1 and render content that only user 1 should have
+    // permission to see.
+    $original_user = $GLOBALS['user'];
+    $original_session_state = drupal_save_session();
+    drupal_save_session(FALSE);
+    $GLOBALS['user'] = $user1;
+    $test_element = array(
+      '#cache' => array(
+        'keys' => array('test'),
+        'granularity' => DRUPAL_CACHE_PER_ROLE,
+      ),
+    );
+    $element = $test_element;
+    $element['#markup'] = 'content for user 1';
+    $output = drupal_render($element);
+    $this->assertEqual($output, 'content for user 1');
+    // Verify the cache is working by rendering the same element but with
+    // different markup passed in; the result should be the same.
+    $element = $test_element;
+    $element['#markup'] = 'should not be used';
+    $output = drupal_render($element);
+    $this->assertEqual($output, 'content for user 1');
+    // Verify that the first authenticated user does not see the same content
+    // as user 1.
+    $GLOBALS['user'] = $first_authenticated_user;
+    $element = $test_element;
+    $element['#markup'] = 'content for authenticated users';
+    $output = drupal_render($element);
+    $this->assertEqual($output, 'content for authenticated users');
+    // Verify that the second authenticated user shares the cache with the
+    // first authenticated user.
+    $GLOBALS['user'] = $second_authenticated_user;
+    $element = $test_element;
+    $element['#markup'] = 'should not be used';
+    $output = drupal_render($element);
+    $this->assertEqual($output, 'content for authenticated users');
+    // Restore the original logged-in user.
+    $GLOBALS['user'] = $original_user;
+    drupal_save_session($original_session_state);
+
     // Restore the previous request method.
     $_SERVER['REQUEST_METHOD'] = $request_method;
   }
-- 
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