Adding ability to get list of initialized queues.

src/UglyQueue.php

@@ -355,6 +355,31 @@ HTML;
         return false;
     }
 
+    /**
+     * @param string $groupName
+     * @return bool
+     */
+    public function queueExists($groupName)
+    {
+        return (bool)is_dir($this->queueBaseDir.$groupName);
+    }
+
+    /**
+     * @return array
+     */
+    public function getInitializedQueueList()
+    {
+        $queueList = array();
+        foreach(glob(realpath($this->queueBaseDir).DIRECTORY_SEPARATOR.'*', GLOB_ONLYDIR) as $queueDir)
+        {
+            $exp = explode(DIRECTORY_SEPARATOR, $queueDir);
+            $dir = end($exp);
+            if (strpos($dir, '.') !== 0)
+                $queueList[] = $dir;
+        }
+        return $queueList;
+    }
+
     /**
      * @return boolean
      */

tests/UglyQueue/UglyQueueTest.php

@@ -630,4 +630,44 @@ class UglyQueueTest extends PHPUnit_Framework_TestCase
 
         return $uglyQueue;
     }
+
+    /**
+     * @covers \DCarbone\UglyQueue::queueExists
+     * @uses \DCarbone\UglyQueue
+     * @depends testCanInitializeNewUglyQueue
+     * @param \DCarbone\UglyQueue $uglyQueue
+     */
+    public function testCanDetermineExistenceOfExistingQueue(\DCarbone\UglyQueue $uglyQueue)
+    {
+        $exists = $uglyQueue->queueExists('tasty-sandwich');
+
+        $this->assertTrue($exists);
+    }
+
+    /**
+     * @covers \DCarbone\UglyQueue::queueExists
+     * @uses \DCarbone\UglyQueue
+     * @depends testCanInitializeNewUglyQueue
+     * @param \DCarbone\UglyQueue $uglyQueue
+     */
+    public function testCanDetermineExistenceOfNonExistingQueue(\DCarbone\UglyQueue $uglyQueue)
+    {
+        $exists = $uglyQueue->queueExists('nasty-sandwich');
+
+        $this->assertFalse($exists);
+    }
+
+    /**
+     * @covers \DCarbone\UglyQueue::getInitializedQueueList
+     * @uses \DCarbone\UglyQueue
+     * @depends testCanInitializeNewUglyQueue
+     * @param \DCarbone\UglyQueue $uglyQueue
+     */
+    public function testCanGetListOfInitializedQueues(\DCarbone\UglyQueue $uglyQueue)
+    {
+        $queueList = $uglyQueue->getInitializedQueueList();
+
+        $this->assertEquals(1, count($queueList));
+        $this->assertContains('tasty-sandwich', $queueList);
+    }
 }