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<?php

/**

 * SocketTest file

 *

 * CakePHP(tm) Tests <http://book.cakephp.org/2.0/en/development/testing.html>

 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)

 *

 * Licensed under The MIT License

 * For full copyright and license information, please see the LICENSE.txt

 * Redistributions of files must retain the above copyright notice

 *

 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)

 * @link          http://book.cakephp.org/2.0/en/development/testing.html CakePHP(tm) Tests

 * @package       Cake.Test.Case.Network

 * @since         CakePHP(tm) v 1.2.0.4206

 * @license       http://www.opensource.org/licenses/mit-license.php MIT License

 */

App::uses('CakeSocket', 'Network');

/**

 * SocketTest class

 *

 * @package       Cake.Test.Case.Network

 */

class CakeSocketTest extends CakeTestCase {

/**

 * setUp method

 *

 * @return void

 */

	public function setUp() {

		parent::setUp();

		$this->Socket = new CakeSocket(array('timeout' => 1));

	}

/**

 * tearDown method

 *

 * @return void

 */

	public function tearDown() {

		parent::tearDown();

		unset($this->Socket);

	}

/**

 * testConstruct method

 *

 * @return void

 */

	public function testConstruct() {

		$this->Socket = new CakeSocket();

		$config = $this->Socket->config;

		$this->assertSame($config, array(

			'persistent'	=> false,

			'host'			=> 'localhost',

			'protocol'		=> getprotobyname('tcp'),

			'port'			=> 80,

			'timeout'		=> 30

		));

		$this->Socket->reset();

		$this->Socket->__construct(array('host' => 'foo-bar'));

		$config['host'] = 'foo-bar';

		$this->assertSame($this->Socket->config, $config);

		$this->Socket = new CakeSocket(array('host' => 'www.cakephp.org', 'port' => 23, 'protocol' => 'udp'));

		$config = $this->Socket->config;

		$config['host'] = 'www.cakephp.org';

		$config['port'] = 23;

		$config['protocol'] = 17;

		$this->assertSame($this->Socket->config, $config);

	}

/**

 * testSocketConnection method

 *

 * @return void

 */

	public function testSocketConnection() {

		$this->assertFalse($this->Socket->connected);

		$this->Socket->disconnect();

		$this->assertFalse($this->Socket->connected);

		try {

			$this->Socket->connect();

			$this->assertTrue($this->Socket->connected);

			$this->Socket->connect();

			$this->assertTrue($this->Socket->connected);

			$this->Socket->disconnect();

			$config = array('persistent' => true);

			$this->Socket = new CakeSocket($config);

			$this->Socket->connect();

			$this->assertTrue($this->Socket->connected);

		} catch (SocketException $e) {

			$this->markTestSkipped('Cannot test network, skipping.');

		}

	}

/**

 * data provider function for testInvalidConnection

 *

 * @return array

 */

	public static function invalidConnections() {

		return array(

			array(array('host' => 'invalid.host', 'port' => 9999, 'timeout' => 1)),

			array(array('host' => '127.0.0.1', 'port' => '70000', 'timeout' => 1))

		);

	}

/**

 * testInvalidConnection method

 *

 * @dataProvider invalidConnections

 * @expectedException SocketException

 * @return void

 */

	public function testInvalidConnection($data) {

		$this->Socket->config = array_merge($this->Socket->config, $data);

		$this->Socket->connect();

	}

/**

 * testSocketHost method

 *

 * @return void

 */

	public function testSocketHost() {

		try {

			$this->Socket = new CakeSocket();

			$this->Socket->connect();

			$this->assertEquals('127.0.0.1', $this->Socket->address());

			$this->assertEquals(gethostbyaddr('127.0.0.1'), $this->Socket->host());

			$this->assertEquals(null, $this->Socket->lastError());

			$this->assertTrue(in_array('127.0.0.1', $this->Socket->addresses()));

			$this->Socket = new CakeSocket(array('host' => '127.0.0.1'));

			$this->Socket->connect();

			$this->assertEquals('127.0.0.1', $this->Socket->address());

			$this->assertEquals(gethostbyaddr('127.0.0.1'), $this->Socket->host());

			$this->assertEquals(null, $this->Socket->lastError());

			$this->assertTrue(in_array('127.0.0.1', $this->Socket->addresses()));

		} catch (SocketException $e) {

			$this->markTestSkipped('Cannot test network, skipping.');

		}

	}

/**

 * testSocketWriting method

 *

 * @return void

 */

	public function testSocketWriting() {

		try {

			$request = "GET / HTTP/1.1\r\nConnection: close\r\n\r\n";

			$this->assertTrue((bool)$this->Socket->write($request));

		} catch (SocketException $e) {

			$this->markTestSkipped('Cannot test network, skipping.');

		}

	}

/**

 * testSocketReading method

 *

 * @return void

 */

	public function testSocketReading() {

		$this->Socket = new CakeSocket(array('timeout' => 5));

		try {

			$this->Socket->connect();

			$this->assertEquals(null, $this->Socket->read(26));

			$config = array('host' => 'google.com', 'port' => 80, 'timeout' => 1);

			$this->Socket = new CakeSocket($config);

			$this->assertTrue($this->Socket->connect());

			$this->assertEquals(null, $this->Socket->read(26));

			$this->assertEquals('2: ' . __d('cake_dev', 'Connection timed out'), $this->Socket->lastError());

		} catch (SocketException $e) {

			$this->markTestSkipped('Cannot test network, skipping.');

		}

	}

/**

 * testTimeOutConnection method

 *

 * @return void

 */

	public function testTimeOutConnection() {

		$config = array('host' => '127.0.0.1', 'timeout' => 0.5);

		$this->Socket = new CakeSocket($config);

		try {

			$this->assertTrue($this->Socket->connect());

			$config = array('host' => '127.0.0.1', 'timeout' => 0.00001);

			$this->Socket = new CakeSocket($config);

			$this->assertFalse($this->Socket->read(1024 * 1024));

			$this->assertEquals('2: ' . __d('cake_dev', 'Connection timed out'), $this->Socket->lastError());

		} catch (SocketException $e) {

			$this->markTestSkipped('Cannot test network, skipping.');

		}

	}

/**

 * testLastError method

 *

 * @return void

 */

	public function testLastError() {

		$this->Socket = new CakeSocket();

		$this->Socket->setLastError(4, 'some error here');

		$this->assertEquals('4: some error here', $this->Socket->lastError());

	}

/**

 * testReset method

 *

 * @return void

 */

	public function testReset() {

		$config = array(

			'persistent' => true,

			'host' => '127.0.0.1',

			'protocol' => 'udp',

			'port' => 80,

			'timeout' => 20

		);

		$anotherSocket = new CakeSocket($config);

		$anotherSocket->reset();

		$this->assertEquals(array(), $anotherSocket->config);

	}

/**

 * testEncrypt

 *

 * @expectedException SocketException

 * @return void

 */

	public function testEnableCryptoSocketExceptionNoSsl() {

		$this->skipIf(!extension_loaded('openssl'), 'OpenSSL is not enabled cannot test SSL.');

		$configNoSslOrTls = array('host' => 'localhost', 'port' => 80, 'timeout' => 0.1);

		// testing exception on no ssl socket server for ssl and tls methods

		$this->Socket = new CakeSocket($configNoSslOrTls);

		$this->Socket->connect();

		$this->Socket->enableCrypto('sslv3', 'client');

	}

/**

 * testEnableCryptoSocketExceptionNoTls

 *

 * @expectedException SocketException

 * @return void

 */

	public function testEnableCryptoSocketExceptionNoTls() {

		$configNoSslOrTls = array('host' => 'localhost', 'port' => 80, 'timeout' => 0.1);

		// testing exception on no ssl socket server for ssl and tls methods

		$this->Socket = new CakeSocket($configNoSslOrTls);

		$this->Socket->connect();

		$this->Socket->enableCrypto('tls', 'client');

	}

/**

 * _connectSocketToSslTls

 *

 * @return void

 */

	protected function _connectSocketToSslTls() {

		$this->skipIf(!extension_loaded('openssl'), 'OpenSSL is not enabled cannot test SSL.');

		$configSslTls = array('host' => 'smtp.gmail.com', 'port' => 465, 'timeout' => 5);

		$this->Socket = new CakeSocket($configSslTls);

		try {

			$this->Socket->connect();

		} catch (SocketException $e) {

			$this->markTestSkipped('Cannot test network, skipping.');

		}

	}

/**

 * testEnableCryptoBadMode

 *

 * @expectedException InvalidArgumentException

 * @return void

 */

	public function testEnableCryptoBadMode() {

		// testing wrong encryption mode

		$this->_connectSocketToSslTls();

		$this->Socket->enableCrypto('doesntExistMode', 'server');

		$this->Socket->disconnect();

	}

/**

 * testEnableCrypto

 *

 * @return void

 */

	public function testEnableCrypto() {

		// testing on ssl server

		$this->_connectSocketToSslTls();

		$this->assertTrue($this->Socket->enableCrypto('sslv3', 'client'));

		$this->Socket->disconnect();

		// testing on tls server

		$this->_connectSocketToSslTls();

		$this->assertTrue($this->Socket->enableCrypto('tls', 'client'));

		$this->Socket->disconnect();

	}

/**

 * testEnableCryptoExceptionEnableTwice

 *

 * @expectedException SocketException

 * @return void

 */

	public function testEnableCryptoExceptionEnableTwice() {

		// testing on tls server

		$this->_connectSocketToSslTls();

		$this->Socket->enableCrypto('tls', 'client');

		$this->Socket->enableCrypto('tls', 'client');

	}

/**

 * testEnableCryptoExceptionDisableTwice

 *

 * @expectedException SocketException

 * @return void

 */

	public function testEnableCryptoExceptionDisableTwice() {

		// testing on tls server

		$this->_connectSocketToSslTls();

		$this->Socket->enableCrypto('tls', 'client', false);

	}

/**

 * testEnableCryptoEnableStatus

 *

 * @return void

 */

	public function testEnableCryptoEnableStatus() {

		// testing on tls server

		$this->_connectSocketToSslTls();

		$this->assertFalse($this->Socket->encrypted);

		$this->Socket->enableCrypto('tls', 'client', true);

		$this->assertTrue($this->Socket->encrypted);

	}

/**

 * test getting the context for a socket.

 *

 * @return void

 */

	public function testGetContext() {

		$this->skipIf(!extension_loaded('openssl'), 'OpenSSL is not enabled cannot test SSL.');

		$config = array(

			'host' => 'smtp.gmail.com',

			'port' => 465,

			'timeout' => 5,

			'context' => array(

				'ssl' => array('capture_peer' => true)

			)

		);

		$this->Socket = new CakeSocket($config);

		$this->Socket->connect();

		$result = $this->Socket->context();

		$this->assertEquals($config['context'], $result);

	}

}