<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Cloud

 * @subpackage UnitTests

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */



/**

 * @see Zend_Cloud_QueueService_Adapter

 */

require_once 'Zend/Cloud/QueueService/Adapter.php';



/**

 * @see Zend_Config

 */

require_once 'Zend/Config.php';



/**

 * @see Zend_Cloud_Queue_Factory

 */

require_once 'Zend/Cloud/QueueService/Factory.php';



/**

 * This class forces the adapter tests to implement tests for all methods on

 * Zend_Cloud_QueueService.

 *

 * @category   Zend

 * @package    Zend_Cloud

 * @subpackage UnitTests

 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

abstract class Zend_Cloud_QueueService_TestCase extends PHPUnit_Framework_TestCase

{

    /**

     * Reference to queue adapter to test

     *

     * @var Zend_Cloud_QueueService

     */

    protected $_commonQueue;

    protected $_dummyNamePrefix = '/TestItem';

    protected $_dummyDataPrefix = 'TestData';

	protected $_clientType = 'stdClass';

    /**

     * Config object

     *

     * @var Zend_Config

     */



    protected $_config;



    /**

     * Period to wait for propagation in seconds

     * Should be set by adapter

     *

     * @var int

     */

    protected $_waitPeriod = 1;



    public function setUp()

    {

        $this->_config = $this->_getConfig();

        $this->_commonQueue = Zend_Cloud_QueueService_Factory::getAdapter($this->_config);

    }



    public function testGetClient()

    {

    	$this->assertTrue(is_a($this->_commonQueue->getClient(), $this->_clientType));

    }



    public function testCreateQueue()

    {

        try {

            // Create timeout default should be 30 seconds

            $startTime = time();

            $queueURL = $this->_commonQueue->createQueue('test-create-queue');

            $endTime = time();

            $this->assertNotNull($queueURL);

            $this->assertLessThan(30, $endTime - $startTime);

            $this->_commonQueue->deleteQueue($queueURL);

        } catch (Exception $e) {

            if(isset($queueURL)) $this->_commonQueue->deleteQueue($queueURL);

            throw $e;

        }

    }



    public function testDeleteQueue()

    {

        try {

            $queueURL = $this->_commonQueue->createQueue('test-delete-queue');

            $this->assertNotNull($queueURL);



            $this->_commonQueue->deleteQueue($queueURL);



            $this->_wait();

            $this->_wait();

            $this->_wait();

            try {

                $messages = $this->_commonQueue->receiveMessages($queueURL);

                $this->fail('An exception should have been thrown if the queue has been deleted; received ' . var_export($messages, 1));

            } catch(Zend_Cloud_QueueService_Exception $e) {

                $this->assertTrue(true);

                $this->_commonQueue->deleteQueue($queueURL);

                return;

            }

        } catch (Exception $e) {

            if(isset($queueURL)) $this->_commonQueue->deleteQueue($queueURL);

            throw $e;

        }

    }



    public function testListQueues()

    {

        try {

            $queues = $this->_commonQueue->listQueues();

            $this->_wait();

            if (count($queues)) {

                foreach ($queues as $queue) {

                    $this->_commonQueue->deleteQueue($queue);

                    $this->_wait();

                }

            }



            $queueURL1 = $this->_commonQueue->createQueue('test-list-queue1');

            $this->assertNotNull($queueURL1);

            $this->_wait();



            $queueURL2 = $this->_commonQueue->createQueue('test-list-queue2');

            $this->assertNotNull($queueURL2);

            $this->_wait();



            $queues = $this->_commonQueue->listQueues();

            $errorMessage = "Final queues are ";

            foreach ($queues as $queue) {

                $errorMessage .= $queue . ', ';

            }

            $errorMessage .= "\nHave queue URLs $queueURL1 and $queueURL2\n";

            $this->assertEquals(2, count($queues), $errorMessage);



            // PHPUnit does an identical comparison for assertContains(), so we just

            // use assertTrue and in_array()

            $this->assertTrue(in_array($queueURL1, $queues));

            $this->assertTrue(in_array($queueURL2, $queues));



            $this->_commonQueue->deleteQueue($queueURL1);

            $this->_commonQueue->deleteQueue($queueURL2);

        } catch (Exception $e) {

            if (isset($queueURL1)) {

                $this->_commonQueue->deleteQueue($queueURL1);

            }

            if (isset($queueURL2)) {

                $this->_commonQueue->deleteQueue($queueURL2);

            }

            throw $e;

        }

    }



    public function testStoresAndFetchesQueueMetadata()

    {

        try {

            $queueURL = $this->_commonQueue->createQueue('test-fetch-queue-metadata');

            $this->assertNotNull($queueURL);

            $this->_wait();

            $this->_commonQueue->storeQueueMetadata($queueURL, array('purpose' => 'test'));

            $this->_wait();

            $metadata = $this->_commonQueue->fetchQueueMetadata($queueURL);

            $this->assertTrue(is_array($metadata));

            $this->assertGreaterThan(0, count($metadata));

            $this->_commonQueue->deleteQueue($queueURL);

        } catch (Exception $e) {

            if (isset($queueURL)) {

                $this->_commonQueue->deleteQueue($queueURL);

            }

            throw $e;

        }

    }



    public function testSendMessage()

    {

        try {

            $queueURL = $this->_commonQueue->createQueue('test-send-message');

            $this->assertNotNull($queueURL);

            $this->_wait();

            $message = 'testSendMessage - Message 1';

            $this->_commonQueue->sendMessage($queueURL, $message);

            $this->_wait();

            $receivedMessages = $this->_commonQueue->receiveMessages($queueURL);

            $this->assertType('Zend_Cloud_QueueService_MessageSet', $receivedMessages);

            $this->assertEquals(1, count($receivedMessages));

            foreach ($receivedMessages as $m) {

                $this->assertEquals($message, $m->getBody());

            }

		  $this->_commonQueue->deleteQueue($queueURL);

        } catch (Exception $e) {

            if(isset($queueURL)) $this->_commonQueue->deleteQueue($queueURL);

            throw $e;

        }

    }



    public function testReceiveMessages()

    {

        $queueURL = null;

        try {

            $queueURL = $this->_commonQueue->createQueue('test-receive-messages');

            $this->assertNotNull($queueURL);

            $this->_wait();



            $message1 = 'testReceiveMessages - Message 1';

            $message2 = 'testReceiveMessages - Message 2';

            $this->_commonQueue->sendMessage($queueURL, $message1);

            $this->_commonQueue->sendMessage($queueURL, $message2);

            $this->_wait();

            $this->_wait();



            // receive one message

            $receivedMessages1 = $this->_commonQueue->receiveMessages($queueURL);

            $this->assertType('Zend_Cloud_QueueService_MessageSet', $receivedMessages1);

            $this->assertEquals(1, count($receivedMessages1));

            foreach ($receivedMessages1 as $receivedMessage1) {

                $this->assertType('Zend_Cloud_QueueService_Message', $receivedMessage1);

            }



            // cleanup the queue

            foreach ($receivedMessages1 as $message) {

                $this->_commonQueue->deleteMessage($queueURL, $message);

            }

            $this->_wait();

            $this->_wait();



            // send 2 messages again

            $this->_commonQueue->sendMessage($queueURL, $message1);

            $this->_commonQueue->sendMessage($queueURL, $message2);

            $this->_wait();

            $this->_wait();

            $this->_wait();

            $this->_wait();



            // receive both messages

            $receivedMessages2 = $this->_commonQueue->receiveMessages($queueURL, 2);

            $this->assertType('Zend_Cloud_QueueService_MessageSet', $receivedMessages2);

            $this->assertEquals(2, count($receivedMessages2));



            $tests = array();

            foreach ($receivedMessages2 as $message) {

                $tests[] = $message;

            }

            $texts = array($tests[0]->getBody(), $tests[1]->getBody());

            $this->assertContains($message1, $texts);

            $this->assertContains($message2, $texts);



            $this->_commonQueue->deleteQueue($queueURL);

        } catch (Exception $e) {

            if (isset($queueURL)) {

                $this->_commonQueue->deleteQueue($queueURL);

            }

            throw $e;

        }

    }



    public function testDeleteMessage()

    {

        try {

            $queueURL = $this->_commonQueue->createQueue('test-delete-messages');

            $this->assertNotNull($queueURL);

            $this->_wait();

            $this->_wait();

            $message1 = 'testDeleteMessage - Message 1';

            $this->_commonQueue->sendMessage($queueURL, $message1);

            $this->_wait();

            $this->_wait();

            $receivedMessages1 = $this->_commonQueue->receiveMessages($queueURL);



            // should receive one $message1

            $this->assertType('Zend_Cloud_QueueService_MessageSet', $receivedMessages1);

            $this->assertEquals(1, count($receivedMessages1));

            foreach ($receivedMessages1 as $receivedMessage1) {

                $this->assertEquals($message1, $receivedMessage1->getBody());

            }

            $this->_commonQueue->deleteMessage($queueURL, $receivedMessage1);

            $this->_wait();

            $this->_wait();



            // now there should be no messages left

            $receivedMessages2 = $this->_commonQueue->receiveMessages($queueURL);

            $this->assertType('Zend_Cloud_QueueService_MessageSet', $receivedMessages2);

		    $this->assertEquals(0, count($receivedMessages2));



		    $this->_commonQueue->deleteQueue($queueURL);

        } catch (Exception $e) {

            if(isset($queueURL)) $this->_commonQueue->deleteQueue($queueURL);

            throw $e;

        }

    }



    public function testPeekMessages()

    {

        try {

            $queueURL = $this->_commonQueue->createQueue('test-peek-messages');

            $this->assertNotNull($queueURL);

            $this->_wait();

            $message1 = 'testPeekMessage - Message 1';

            $this->_commonQueue->sendMessage($queueURL, $message1);

            $this->_wait();

            $peekedMessages = $this->_commonQueue->peekMessages($queueURL, 1);

            foreach ($peekedMessages as $message) {

                $this->assertEquals($message1, $message->getBody());

                break;

            }

            // and again

            $peekedMessages = $this->_commonQueue->peekMessages($queueURL, 1);

            foreach ($peekedMessages as $message) {

                $this->assertEquals($message1, $message->getBody());

                break;

            }



            $this->_commonQueue->deleteQueue($queueURL);

        } catch (Exception $e) {

            if(isset($queueURL)) $this->_commonQueue->deleteQueue($queueURL);

            throw $e;

        }

    }



    protected function _wait($duration = null)

    {

        if (null === $duration) {

            $duration = $this->_waitPeriod;

        }

        sleep($duration);

    }



    /**

     * Get adapter configuration for concrete test

     *

     * @returns Zend_Config

     */

    abstract protected function _getConfig();

}