- Patch #81461 by catch, pillarsdotnet, beejeebus: clean up the cache API (stop overloading function arguments, remove procedural wrappers).

includes/bootstrap.inc

@@ -28,7 +28,7 @@ define('DRUPAL_MINIMUM_PHP_MEMORY_LIMIT', '32M');
 /**
  * Indicates that the item should never be removed unless explicitly selected.
  *
- * The item may be removed using cache_clear_all() with a cache ID.
+ * The item may be removed using cache()->delete() with a cache ID.
  */
 define('CACHE_PERMANENT', 0);
 
@@ -283,12 +283,12 @@ define('DRUPAL_PHP_FUNCTION_PATTERN', '[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*'
 abstract class DrupalCacheArray implements ArrayAccess {
 
   /**
-   * A cid to pass to cache_set() and cache_get().
+   * A cid to pass to cache()->set() and cache()->get().
    */
   private $cid;
 
   /**
-   * A bin to pass to cache_set() and cache_get().
+   * A bin to pass to cache()->set() and cache()->get().
    */
   private $bin;
 
@@ -314,7 +314,7 @@ abstract class DrupalCacheArray implements ArrayAccess {
     $this->cid = $cid;
     $this->bin = $bin;
 
-    if ($cached = cache_get($this->cid, $this->bin)) {
+    if ($cached = cache($bin)->get($this->cid)) {
      $this->storage = $cached->data;
     }
   }
@@ -391,10 +391,10 @@ abstract class DrupalCacheArray implements ArrayAccess {
     // To implement locking for cache misses, override __construct().
     $lock_name = $cid . ':' . $bin;
     if (!$lock || lock_acquire($lock_name)) {
-      if ($cached = cache_get($cid, $bin)) {
+      if ($cached = cache($bin)->get($cid)) {
         $data = $cached->data + $data;
       }
-      cache_set($cid, $data, $bin);
+      cache($bin)->set($cid, $data);
       if ($lock) {
         lock_release($lock_name);
       }
@@ -899,7 +899,7 @@ function drupal_get_filename($type, $name, $filename = NULL) {
 function variable_initialize($conf = array()) {
   // NOTE: caching the variables improves performance by 20% when serving
   // cached pages.
-  if ($cached = cache_get('variables', 'cache_bootstrap')) {
+  if ($cached = cache('bootstrap')->get('variables')) {
     $variables = $cached->data;
   }
   else {
@@ -914,7 +914,7 @@ function variable_initialize($conf = array()) {
     else {
       // Proceed with variable rebuild.
       $variables = array_map('unserialize', db_query('SELECT name, value FROM {variable}')->fetchAllKeyed());
-      cache_set('variables', $variables, 'cache_bootstrap');
+      cache('bootstrap')->set('variables', $variables);
       lock_release($name);
     }
   }
@@ -971,7 +971,7 @@ function variable_set($name, $value) {
 
   db_merge('variable')->key(array('name' => $name))->fields(array('value' => serialize($value)))->execute();
 
-  cache_clear_all('variables', 'cache_bootstrap');
+  cache('bootstrap')->delete('variables');
 
   $conf[$name] = $value;
 }
@@ -995,7 +995,7 @@ function variable_del($name) {
   db_delete('variable')
     ->condition('name', $name)
     ->execute();
-  cache_clear_all('variables', 'cache_bootstrap');
+  cache('bootstrap')->delete('variables');
 
   unset($conf[$name]);
 }
@@ -1024,7 +1024,7 @@ function drupal_page_get_cache($check_only = FALSE) {
   }
 
   if (drupal_page_is_cacheable()) {
-    $cache = cache_get($base_root . request_uri(), 'cache_page');
+    $cache = cache('page')->get($base_root . request_uri());
     if ($cache !== FALSE) {
       $cache_hit = TRUE;
     }
@@ -2791,7 +2791,7 @@ function drupal_get_complete_schema($rebuild = FALSE) {
 
   if (empty($schema) || $rebuild) {
     // Try to load the schema from cache.
-    if (!$rebuild && $cached = cache_get('schema')) {
+    if (!$rebuild && $cached = cache()->get('schema')) {
       $schema = $cached->data;
     }
     // Otherwise, rebuild the schema cache.
@@ -2817,7 +2817,7 @@ function drupal_get_complete_schema($rebuild = FALSE) {
         // That would break modules which use $schema further down the line.
         $current = (array) module_invoke($module, 'schema');
         // Set 'module' and 'name' keys for each table, and remove descriptions,
-        // as they needlessly slow down cache_get() for every single request.
+        // as they needlessly slow down cache()->get() for every single request.
         _drupal_schema_initialize($current, $module);
         $schema = array_merge($schema, $current);
       }
@@ -2826,10 +2826,10 @@ function drupal_get_complete_schema($rebuild = FALSE) {
       // If the schema is empty, avoid saving it: some database engines require
       // the schema to perform queries, and this could lead to infinite loops.
       if (!empty($schema) && (drupal_get_bootstrap_phase() == DRUPAL_BOOTSTRAP_FULL)) {
-        cache_set('schema', $schema);
+        cache()->set('schema', $schema);
       }
       if ($rebuild) {
-        cache_clear_all('schema:', 'cache', TRUE);
+        cache()->deletePrefix('schema:');
       }
     }
   }
@@ -2900,7 +2900,7 @@ function _registry_check_code($type, $name = NULL) {
 
   if (!isset($lookup_cache)) {
     $lookup_cache = array();
-    if ($cache = cache_get('lookup_cache', 'cache_bootstrap')) {
+    if ($cache = cache('bootstrap')->get('lookup_cache')) {
       $lookup_cache = $cache->data;
     }
   }
@@ -2917,7 +2917,7 @@ function _registry_check_code($type, $name = NULL) {
   // changes to the lookup cache for this request.
   if ($type == REGISTRY_WRITE_LOOKUP_CACHE) {
     if ($cache_update_needed) {
-      cache_set('lookup_cache', $lookup_cache, 'cache_bootstrap');
+      cache('bootstrap')->set('lookup_cache', $lookup_cache);
     }
     return;
   }

includes/cache-install.inc

@@ -26,6 +26,16 @@ class DrupalFakeCache extends DrupalDatabaseCache implements DrupalCacheInterfac
   function set($cid, $data, $expire = CACHE_PERMANENT) {
   }
 
+  function deletePrefix($cid) {
+    try {
+      if (class_exists('Database')) {
+        parent::deletePrefix($cid);
+      }
+    }
+    catch (Exception $e) {
+    }
+  }
+
   function clear($cid = NULL, $wildcard = FALSE) {
     // If there is a database cache, attempt to clear it whenever possible. The
     // reason for doing this is that the database cache can accumulate data

includes/cache.inc

@@ -1,7 +1,7 @@
 <?php
 
 /**
- * Get the cache object for a cache bin.
+ * Factory for instantiating and statically caching the correct class for a cache bin.
  *
  * By default, this returns an instance of the DrupalDatabaseCache class.
  * Classes implementing DrupalCacheInterface can register themselves both as a
@@ -10,11 +10,16 @@
  * @see DrupalCacheInterface
  *
  * @param $bin
- *   The cache bin for which the cache object should be returned.
+ *   The cache bin for which the cache object should be returned, defaults to
+ *   'cache'.
  * @return DrupalCacheInterface
  *   The cache object associated with the specified bin.
  */
-function _cache_get_object($bin) {
+function cache($bin = 'cache') {
+  // Temporary backwards compatibiltiy layer, allow old style prefixed cache
+  // bin names to be passed as arguments.
+  $bin = str_replace('cache_', '', $bin);
+
   // We do not use drupal_static() here because we do not want to change the
   // storage of a cache bin mid-request.
   static $cache_objects;
@@ -46,7 +51,7 @@ function _cache_get_object($bin) {
  *   The cache or FALSE on failure.
  */
 function cache_get($cid, $bin = 'cache') {
-  return _cache_get_object($bin)->get($cid);
+  return cache($bin)->get($cid);
 }
 
 /**
@@ -61,7 +66,7 @@ function cache_get($cid, $bin = 'cache') {
  *   An array of the items successfully returned from cache indexed by cid.
  */
 function cache_get_multiple(array &$cids, $bin = 'cache') {
-  return _cache_get_object($bin)->getMultiple($cids);
+  return cache($bin)->getMultiple($cids);
 }
 
 /**
@@ -134,7 +139,7 @@ function cache_get_multiple(array &$cids, $bin = 'cache') {
  *     the given time, after which it behaves like CACHE_TEMPORARY.
  */
 function cache_set($cid, $data, $bin = 'cache', $expire = CACHE_PERMANENT) {
-  return _cache_get_object($bin)->set($cid, $data, $expire);
+  return cache($bin)->set($cid, $data, $expire);
 }
 
 /**
@@ -161,12 +166,12 @@ function cache_clear_all($cid = NULL, $bin = NULL, $wildcard = FALSE) {
     // Clear the block cache first, so stale data will
     // not end up in the page cache.
     if (module_exists('block')) {
-      cache_clear_all(NULL, 'cache_block');
+      cache('block')->expire();
     }
-    cache_clear_all(NULL, 'cache_page');
+    cache('page')->expire();
     return;
   }
-  return _cache_get_object($bin)->clear($cid, $wildcard);
+  return cache($bin)->clear($cid, $wildcard);
 }
 
 /**
@@ -181,7 +186,7 @@ function cache_clear_all($cid = NULL, $bin = NULL, $wildcard = FALSE) {
  *   TRUE if the cache bin specified is empty.
  */
 function cache_is_empty($bin) {
-  return _cache_get_object($bin)->isEmpty();
+  return cache($bin)->isEmpty();
 }
 
 /**
@@ -218,7 +223,7 @@ function cache_is_empty($bin) {
  *  cache_get($cid, 'custom_bin');
  * @endcode
  *
- * @see _cache_get_object()
+ * @see cache()
  * @see DrupalDatabaseCache
  */
 interface DrupalCacheInterface {
@@ -274,6 +279,44 @@ interface DrupalCacheInterface {
    */
   function set($cid, $data, $expire = CACHE_PERMANENT);
 
+  /**
+   * Delete an item from the cache.
+   *
+   * @param $cid
+   *    The cache ID to delete.
+   */
+  function delete($cid);
+
+  /**
+   * Delete multiple items from the cache.
+   *
+   * @param $cids
+   *   An array of $cids to delete.
+   */
+  function deleteMultiple(Array $cids);
+
+  /**
+   * Delete items from the cache using a wildcard prefix.
+   *
+   * @param $prefix
+   *   A wildcard prefix.
+   */
+  function deletePrefix($prefix);
+
+  /**
+   * Flush all cache items in a bin.
+   */
+  function flush();
+
+  /**
+   * Expire temporary items from cache.
+   */
+  function expire();
+
+  /**
+   * Perform garbage collection on a cache bin.
+   */
+  function garbageCollection();
 
   /**
    * Expire data from the cache. If called without arguments, expirable
@@ -286,6 +329,9 @@ interface DrupalCacheInterface {
    *   If set to TRUE, the $cid is treated as a substring
    *   to match rather than a complete ID. The match is a right hand
    *   match. If '*' is given as $cid, the bin $bin will be emptied.
+   *
+   * @todo: this method is deprecated, as it's functionality is covered by
+   * more targetted methods in the interface.
    */
   function clear($cid = NULL, $wildcard = FALSE);
 
@@ -311,6 +357,11 @@ class DrupalDatabaseCache implements DrupalCacheInterface {
   protected $bin;
 
   function __construct($bin) {
+    // All cache tables should be prefixed with 'cache_', apart from the
+    // default 'cache' bin, which would look silly.
+    if ($bin != 'cache') {
+      $bin = 'cache_' . $bin;
+    }
     $this->bin = $bin;
   }
 
@@ -350,28 +401,6 @@ class DrupalDatabaseCache implements DrupalCacheInterface {
     }
   }
 
-  /**
-   * Garbage collection for get() and getMultiple().
-   *
-   * @param $bin
-   *   The bin being requested.
-   */
-  protected function garbageCollection() {
-    global $user;
-
-    // Garbage collection necessary when enforcing a minimum cache lifetime.
-    $cache_flush = variable_get('cache_flush_' . $this->bin, 0);
-    if ($cache_flush && ($cache_flush + variable_get('cache_lifetime', 0) <= REQUEST_TIME)) {
-      // Reset the variable immediately to prevent a meltdown in heavy load situations.
-      variable_set('cache_flush_' . $this->bin, 0);
-      // Time to flush old cache data
-      db_delete($this->bin)
-        ->condition('expire', CACHE_PERMANENT, '<>')
-        ->condition('expire', $cache_flush, '<=')
-        ->execute();
-    }
-  }
-
   /**
    * Prepare a cached item.
    *
@@ -434,16 +463,39 @@ class DrupalDatabaseCache implements DrupalCacheInterface {
     }
   }
 
-  function clear($cid = NULL, $wildcard = FALSE) {
-    global $user;
+  function delete($cid) {
+    db_delete($this->bin)
+      ->condition('cid', $cid)
+      ->execute();
+  }
 
-    if (empty($cid)) {
+  function deleteMultiple(Array $cids) {
+    // Delete in chunks when a large array is passed.
+    do {
+      db_delete($this->bin)
+        ->condition('cid', array_splice($cids, 0, 1000), 'IN')
+        ->execute();
+    }
+    while (count($cids));
+  }
+
+  function deletePrefix($prefix) {
+    db_delete($this->bin)
+      ->condition('cid', db_like($prefix) . '%', 'LIKE')
+      ->execute();
+  }
+
+  function flush() {
+    db_truncate($this->bin)->execute();
+  }
+
+  function expire() {
     if (variable_get('cache_lifetime', 0)) {
       // We store the time in the current user's $user->cache variable which
       // will be saved into the sessions bin by _drupal_session_write(). We then
       // simulate that the cache was flushed for this user by not returning
       // cached data that was cached before the timestamp.
-        $user->cache = REQUEST_TIME;
+      $GLOBALS['user']->cache = REQUEST_TIME;
 
       $cache_flush = variable_get('cache_flush_' . $this->bin, 0);
       if ($cache_flush == 0) {
@@ -468,30 +520,44 @@ class DrupalDatabaseCache implements DrupalCacheInterface {
         ->execute();
     }
   }
+
+  function garbageCollection() {
+    global $user;
+
+    // When cache lifetime is in force, avoid running garbage collection too
+    // often since this will remove temporary cache items indiscriminately.
+    $cache_flush = variable_get('cache_flush_' . $this->bin, 0);
+    if ($cache_flush && ($cache_flush + variable_get('cache_lifetime', 0) <= REQUEST_TIME)) {
+      // Reset the variable immediately to prevent a meltdown in heavy load situations.
+      variable_set('cache_flush_' . $this->bin, 0);
+      // Time to flush old cache data
+      db_delete($this->bin)
+        ->condition('expire', CACHE_PERMANENT, '<>')
+        ->condition('expire', $cache_flush, '<=')
+        ->execute();
+    }
+  }
+
+  function clear($cid = NULL, $wildcard = FALSE) {
+    global $user;
+
+    if (empty($cid)) {
+      $this->expire();
+    }
     else {
       if ($wildcard) {
         if ($cid == '*') {
-          db_truncate($this->bin)->execute();
+          $this->flush();
         }
         else {
-          db_delete($this->bin)
-            ->condition('cid', db_like($cid) . '%', 'LIKE')
-            ->execute();
+          $this->deletePrefix($cid);
         }
       }
       elseif (is_array($cid)) {
-        // Delete in chunks when a large array is passed.
-        do {
-          db_delete($this->bin)
-            ->condition('cid', array_splice($cid, 0, 1000), 'IN')
-            ->execute();
-        }
-        while (count($cid));
+        $this->deleteMultiple($cid);
       }
       else {
-        db_delete($this->bin)
-          ->condition('cid', $cid)
-          ->execute();
+        $this->delete($cid);
       }
     }
   }

modules/simpletest/drupal_web_test_case.php

@@ -1238,6 +1238,10 @@ class DrupalWebTestCase extends DrupalTestCase {
       ->condition('test_id', $this->testId)
       ->execute();
 
+    // Reset all statics and variables to perform tests in a clean environment.
+    $conf = array();
+    drupal_static_reset();
+
     // Clone the current connection and replace the current prefix.
     $connection_info = Database::getConnectionInfo('default');
     Database::renameConnection('default', 'simpletest_original_default');
@@ -1285,10 +1289,6 @@ class DrupalWebTestCase extends DrupalTestCase {
     ini_set('log_errors', 1);
     ini_set('error_log', $public_files_directory . '/error.log');
 
-    // Reset all statics and variables to perform tests in a clean environment.
-    $conf = array();
-    drupal_static_reset();
-
     // Set the test information for use in other parts of Drupal.
     $test_info = &$GLOBALS['drupal_test_info'];
     $test_info['test_run_id'] = $this->databasePrefix;

modules/simpletest/tests/cache.test

@@ -1,7 +1,7 @@
 <?php
 
 class CacheTestCase extends DrupalWebTestCase {
-  protected $default_bin = 'cache';
+  protected $default_bin = 'cache_page';
   protected $default_cid = 'test_temporary';
   protected $default_value = 'CacheTest';
 
@@ -22,9 +22,9 @@ class CacheTestCase extends DrupalWebTestCase {
       $bin = $this->default_bin;
     }
 
-    $cache = cache_get($cid, $bin);
+    $cached = cache($bin)->get($cid);
 
-    return isset($cache->data) && $cache->data == $var;
+    return isset($cached->data) && $cached->data == $var;
   }
 
   /**
@@ -71,8 +71,8 @@ class CacheTestCase extends DrupalWebTestCase {
       $cid = $this->default_cid;
     }
 
-    $cache = cache_get($cid, $bin);
-    $this->assertFalse($cache, $message);
+    $cached = cache($bin)->get($cid);
+    $this->assertFalse($cached, $message);
   }
 
   /**
@@ -85,7 +85,7 @@ class CacheTestCase extends DrupalWebTestCase {
       $bin = $this->default_bin;
     }
 
-    cache_clear_all(NULL, $bin);
+    cache($bin)->expire();
   }
 
   /**
@@ -146,23 +146,24 @@ class CacheSavingCase extends CacheTestCase {
     $test_object->test2 = 100;
     $test_object->test3 = array('drupal1', 'drupal2' => 'drupal3', 'drupal4' => array('drupal5', 'drupal6'));
 
-    cache_set('test_object', $test_object, 'cache');
-    $cache = cache_get('test_object', 'cache');
-    $this->assertTrue(isset($cache->data) && $cache->data == $test_object, t('Object is saved and restored properly.'));
+
+    cache()->set('test_object', $test_object);
+    $cached = cache()->get('test_object');
+    $this->assertTrue(isset($cached->data) && $cached->data == $test_object, t('Object is saved and restored properly.'));
   }
 
   /*
    * Check or a variable is stored and restored properly.
    **/
   function checkVariable($var) {
-    cache_set('test_var', $var, 'cache');
-    $cache = cache_get('test_var', 'cache');
-    $this->assertTrue(isset($cache->data) && $cache->data === $var, t('@type is saved and restored properly.', array('@type' => ucfirst(gettype($var)))));
+    cache()->set('test_var', $var);
+    $cached = cache()->get('test_var');
+    $this->assertTrue(isset($cached->data) && $cached->data === $var, t('@type is saved and restored properly.', array('@type' => ucfirst(gettype($var)))));
   }
 }
 
 /**
- * Test cache_get_multiple().
+ * Test getMultiple().
  */
 class CacheGetMultipleUnitTest extends CacheTestCase {
 
@@ -175,33 +176,34 @@ class CacheGetMultipleUnitTest extends CacheTestCase {
   }
 
   function setUp() {
-    $this->default_bin = 'cache_page';
+    $this->default_bin = 'page';
     parent::setUp();
   }
 
   /**
-   * Test cache_get_multiple().
+   * Test getMultiple().
    */
   function testCacheMultiple() {
     $item1 = $this->randomName(10);
     $item2 = $this->randomName(10);
-    cache_set('item1', $item1, $this->default_bin);
-    cache_set('item2', $item2, $this->default_bin);
+    $cache = cache($this->default_bin);
+    $cache->set('item1', $item1);
+    $cache->set('item2', $item2);
     $this->assertTrue($this->checkCacheExists('item1', $item1), t('Item 1 is cached.'));
     $this->assertTrue($this->checkCacheExists('item2', $item2), t('Item 2 is cached.'));
 
-    // Fetch both records from the database with cache_get_multiple().
+    // Fetch both records from the database with getMultiple().
     $item_ids = array('item1', 'item2');
-    $items = cache_get_multiple($item_ids, $this->default_bin);
+    $items = $cache->getMultiple($item_ids);
     $this->assertEqual($items['item1']->data, $item1, t('Item was returned from cache successfully.'));
     $this->assertEqual($items['item2']->data, $item2, t('Item was returned from cache successfully.'));
 
     // Remove one item from the cache.
-    cache_clear_all('item2', $this->default_bin);
+    $cache->delete('item2');
 
-    // Confirm that only one item is returned by cache_get_multiple().
+    // Confirm that only one item is returned by getMultiple().
     $item_ids = array('item1', 'item2');
-    $items = cache_get_multiple($item_ids, $this->default_bin);
+    $items = $cache->getMultiple($item_ids);
     $this->assertEqual($items['item1']->data, $item1, t('Item was returned from cache successfully.'));
     $this->assertFalse(isset($items['item2']), t('Item was not returned from the cache.'));
     $this->assertTrue(count($items) == 1, t('Only valid cache entries returned.'));
@@ -221,7 +223,7 @@ class CacheClearCase extends CacheTestCase {
   }
 
   function setUp() {
-    $this->default_bin = 'cache_page';
+    $this->default_bin = 'page';
     $this->default_value = $this->randomName(10);
 
     parent::setUp();
@@ -231,44 +233,36 @@ class CacheClearCase extends CacheTestCase {
    * Test clearing using a cid.
    */
   function testClearCid() {
-    cache_set('test_cid_clear', $this->default_value, $this->default_bin);
+    $cache = cache($this->default_bin);
+    $cache->set('test_cid_clear', $this->default_value);
 
     $this->assertCacheExists(t('Cache was set for clearing cid.'), $this->default_value, 'test_cid_clear');
-    cache_clear_all('test_cid_clear', $this->default_bin);
+    $cache->delete('test_cid_clear');
 
     $this->assertCacheRemoved(t('Cache was removed after clearing cid.'), 'test_cid_clear');
-
-    cache_set('test_cid_clear1', $this->default_value, $this->default_bin);
-    cache_set('test_cid_clear2', $this->default_value, $this->default_bin);
-    $this->assertTrue($this->checkCacheExists('test_cid_clear1', $this->default_value)
-                      && $this->checkCacheExists('test_cid_clear2', $this->default_value),
-                      t('Two caches were created for checking cid "*" with wildcard false.'));
-    cache_clear_all('*', $this->default_bin);
-    $this->assertTrue($this->checkCacheExists('test_cid_clear1', $this->default_value)
-                      && $this->checkCacheExists('test_cid_clear2', $this->default_value),
-                      t('Two caches still exists after clearing cid "*" with wildcard false.'));
   }
 
   /**
    * Test clearing using wildcard.
    */
   function testClearWildcard() {
-    cache_set('test_cid_clear1', $this->default_value, $this->default_bin);
-    cache_set('test_cid_clear2', $this->default_value, $this->default_bin);
+    $cache = cache($this->default_bin);
+    $cache->set('test_cid_clear1', $this->default_value);
+    $cache->set('test_cid_clear2', $this->default_value);
     $this->assertTrue($this->checkCacheExists('test_cid_clear1', $this->default_value)
                       && $this->checkCacheExists('test_cid_clear2', $this->default_value),
                       t('Two caches were created for checking cid "*" with wildcard true.'));
-    cache_clear_all('*', $this->default_bin, TRUE);
+    $cache->flush();
     $this->assertFalse($this->checkCacheExists('test_cid_clear1', $this->default_value)
                       || $this->checkCacheExists('test_cid_clear2', $this->default_value),
                       t('Two caches removed after clearing cid "*" with wildcard true.'));
 
-    cache_set('test_cid_clear1', $this->default_value, $this->default_bin);
-    cache_set('test_cid_clear2', $this->default_value, $this->default_bin);
+    $cache->set('test_cid_clear1', $this->default_value);
+    $cache->set('test_cid_clear2', $this->default_value);
     $this->assertTrue($this->checkCacheExists('test_cid_clear1', $this->default_value)
                       && $this->checkCacheExists('test_cid_clear2', $this->default_value),
                       t('Two caches were created for checking cid substring with wildcard true.'));
-    cache_clear_all('test_', $this->default_bin, TRUE);
+    $cache->deletePrefix('test_');
     $this->assertFalse($this->checkCacheExists('test_cid_clear1', $this->default_value)
                       || $this->checkCacheExists('test_cid_clear2', $this->default_value),
                       t('Two caches removed after clearing cid substring with wildcard true.'));
@@ -279,16 +273,17 @@ class CacheClearCase extends CacheTestCase {
    */
   function testClearArray() {
     // Create three cache entries.
-    cache_set('test_cid_clear1', $this->default_value, $this->default_bin);
-    cache_set('test_cid_clear2', $this->default_value, $this->default_bin);
-    cache_set('test_cid_clear3', $this->default_value, $this->default_bin);
+    $cache = cache($this->default_bin);
+    $cache->set('test_cid_clear1', $this->default_value);
+    $cache->set('test_cid_clear2', $this->default_value);
+    $cache->set('test_cid_clear3', $this->default_value);
     $this->assertTrue($this->checkCacheExists('test_cid_clear1', $this->default_value)
                       && $this->checkCacheExists('test_cid_clear2', $this->default_value)
                       && $this->checkCacheExists('test_cid_clear3', $this->default_value),
                       t('Three cache entries were created.'));
 
     // Clear two entries using an array.
-    cache_clear_all(array('test_cid_clear1', 'test_cid_clear2'), $this->default_bin);
+    $cache->deleteMultiple(array('test_cid_clear1', 'test_cid_clear2'));
     $this->assertFalse($this->checkCacheExists('test_cid_clear1', $this->default_value)
                        || $this->checkCacheExists('test_cid_clear2', $this->default_value),
                        t('Two cache entries removed after clearing with an array.'));
@@ -299,12 +294,12 @@ class CacheClearCase extends CacheTestCase {
     // Set the cache clear threshold to 2 to confirm that the full bin is cleared
     // when the threshold is exceeded.
     variable_set('cache_clear_threshold', 2);
-    cache_set('test_cid_clear1', $this->default_value, $this->default_bin);
-    cache_set('test_cid_clear2', $this->default_value, $this->default_bin);
+    $cache->set('test_cid_clear1', $this->default_value);
+    $cache->set('test_cid_clear2', $this->default_value);
     $this->assertTrue($this->checkCacheExists('test_cid_clear1', $this->default_value)
                       && $this->checkCacheExists('test_cid_clear2', $this->default_value),
                       t('Two cache entries were created.'));
-    cache_clear_all(array('test_cid_clear1', 'test_cid_clear2', 'test_cid_clear3'), $this->default_bin);
+    $cache->deleteMultiple(array('test_cid_clear1', 'test_cid_clear2', 'test_cid_clear3'));
     $this->assertFalse($this->checkCacheExists('test_cid_clear1', $this->default_value)
                        || $this->checkCacheExists('test_cid_clear2', $this->default_value)
                        || $this->checkCacheExists('test_cid_clear3', $this->default_value),
@@ -316,7 +311,7 @@ class CacheClearCase extends CacheTestCase {
    */
   function testFlushAllCaches() {
     // Create cache entries for each flushed cache bin.
-    $bins = array('cache', 'cache_filter', 'cache_page', 'cache_boostrap', 'cache_path');
+    $bins = array('cache', 'filter', 'page', 'bootstrap', 'path');
     $bins = array_merge(module_invoke_all('flush_caches'), $bins);
     foreach ($bins as $id => $bin) {
       $id = 'test_cid_clear' . $id;
@@ -334,7 +329,7 @@ class CacheClearCase extends CacheTestCase {
 }
 
 /**
- * Test cache_is_empty() function.
+ * Test isEmpty() method.
  */
 class CacheIsEmptyCase extends CacheTestCase {
   public static function getInfo() {
@@ -346,7 +341,7 @@ class CacheIsEmptyCase extends CacheTestCase {
   }
 
   function setUp() {
-    $this->default_bin = 'cache_page';
+    $this->default_bin = 'page';
     $this->default_value = $this->randomName(10);
 
     parent::setUp();
@@ -357,15 +352,16 @@ class CacheIsEmptyCase extends CacheTestCase {
    */
   function testIsEmpty() {
     // Clear the cache bin.
-    cache_clear_all('*', $this->default_bin);
-    $this->assertTrue(cache_is_empty($this->default_bin), t('The cache bin is empty'));
+    $cache = cache($this->default_bin);
+    $cache->flush();
+    $this->assertTrue($cache->isEmpty(), t('The cache bin is empty'));
     // Add some data to the cache bin.
-    cache_set($this->default_cid, $this->default_value, $this->default_bin);
+    $cache->set($this->default_cid, $this->default_value);
     $this->assertCacheExists(t('Cache was set.'), $this->default_value, $this->default_cid);
-    $this->assertFalse(cache_is_empty($this->default_bin), t('The cache bin is not empty'));
+    $this->assertFalse($cache->isEmpty(), t('The cache bin is not empty'));
     // Remove the cached data.
-    cache_clear_all($this->default_cid, $this->default_bin);
+    $cache->delete($this->default_cid);
     $this->assertCacheRemoved(t('Cache was removed.'), $this->default_cid);
-    $this->assertTrue(cache_is_empty($this->default_bin), t('The cache bin is empty'));
+    $this->assertTrue($cache->isEmpty(), t('The cache bin is empty'));
   }
 }