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<?php

/**

 * FileLogTest 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.Log.Engine

 * @since         CakePHP(tm) v 1.3

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

 */

App::uses('FileLog', 'Log/Engine');

/**

 * CakeLogTest class

 *

 * @package       Cake.Test.Case.Log.Engine

 */

class FileLogTest extends CakeTestCase {

/**

 * testLogFileWriting method

 *

 * @return void

 */

	public function testLogFileWriting() {

		$this->_deleteLogs(LOGS);

		$log = new FileLog();

		$log->write('warning', 'Test warning');

		$this->assertTrue(file_exists(LOGS . 'error.log'));

		$result = file_get_contents(LOGS . 'error.log');

		$this->assertRegExp('/^2[0-9]{3}-[0-9]+-[0-9]+ [0-9]+:[0-9]+:[0-9]+ Warning: Test warning/', $result);

		$log->write('debug', 'Test warning');

		$this->assertTrue(file_exists(LOGS . 'debug.log'));

		$result = file_get_contents(LOGS . 'debug.log');

		$this->assertRegExp('/^2[0-9]{3}-[0-9]+-[0-9]+ [0-9]+:[0-9]+:[0-9]+ Debug: Test warning/', $result);

		$log->write('random', 'Test warning');

		$this->assertTrue(file_exists(LOGS . 'random.log'));

		$result = file_get_contents(LOGS . 'random.log');

		$this->assertRegExp('/^2[0-9]{3}-[0-9]+-[0-9]+ [0-9]+:[0-9]+:[0-9]+ Random: Test warning/', $result);

	}

/**

 * test using the path setting to write logs in other places.

 *

 * @return void

 */

	public function testPathSetting() {

		$path = TMP . 'tests' . DS;

		$this->_deleteLogs($path);

		$log = new FileLog(compact('path'));

		$log->write('warning', 'Test warning');

		$this->assertTrue(file_exists($path . 'error.log'));

	}

/**

 * test log rotation

 *

 * @return void

 */

	public function testRotation() {

		$path = TMP . 'tests' . DS;

		$this->_deleteLogs($path);

		file_put_contents($path . 'error.log', "this text is under 35 bytes\n");

		$log = new FileLog(array(

			'path' => $path,

			'size' => 35,

			'rotate' => 2

		));

		$log->write('warning', 'Test warning one');

		$this->assertTrue(file_exists($path . 'error.log'));

		$result = file_get_contents($path . 'error.log');

		$this->assertRegExp('/Warning: Test warning one/', $result);

		$this->assertEquals(0, count(glob($path . 'error.log.*')));

		clearstatcache();

		$log->write('warning', 'Test warning second');

		$files = glob($path . 'error.log.*');

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

		$result = file_get_contents($files[0]);

		$this->assertRegExp('/this text is under 35 bytes/', $result);

		$this->assertRegExp('/Warning: Test warning one/', $result);

		sleep(1);

		clearstatcache();

		$log->write('warning', 'Test warning third');

		$result = file_get_contents($path . 'error.log');

		$this->assertRegExp('/Warning: Test warning third/', $result);

		$files = glob($path . 'error.log.*');

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

		$result = file_get_contents($files[0]);

		$this->assertRegExp('/this text is under 35 bytes/', $result);

		$result = file_get_contents($files[1]);

		$this->assertRegExp('/Warning: Test warning second/', $result);

		file_put_contents($path . 'error.log.0000000000', "The oldest log file with over 35 bytes.\n");

		sleep(1);

		clearstatcache();

		$log->write('warning', 'Test warning fourth');

		// rotate count reached so file count should not increase

		$files = glob($path . 'error.log.*');

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

		$result = file_get_contents($path . 'error.log');

		$this->assertRegExp('/Warning: Test warning fourth/', $result);

		$result = file_get_contents(array_pop($files));

		$this->assertRegExp('/Warning: Test warning third/', $result);

		$result = file_get_contents(array_pop($files));

		$this->assertRegExp('/Warning: Test warning second/', $result);

		file_put_contents($path . 'debug.log', "this text is just greater than 35 bytes\n");

		$log = new FileLog(array(

			'path' => $path,

			'size' => 35,

			'rotate' => 0

		));

		file_put_contents($path . 'debug.log.0000000000', "The oldest log file with over 35 bytes.\n");

		$log->write('debug', 'Test debug');

		$this->assertTrue(file_exists($path . 'debug.log'));

		$result = file_get_contents($path . 'debug.log');

		$this->assertRegExp('/^2[0-9]{3}-[0-9]+-[0-9]+ [0-9]+:[0-9]+:[0-9]+ Debug: Test debug/', $result);

		$this->assertFalse(strstr($result, 'greater than 5 bytes'));

		$this->assertEquals(0, count(glob($path . 'debug.log.*')));

	}

	public function testMaskSetting() {

		if (DS === '\\') {

			$this->markTestSkipped('File permission testing does not work on Windows.');

		}

		$path = TMP . 'tests' . DS;

		$this->_deleteLogs($path);

		$log = new FileLog(array('path' => $path, 'mask' => 0666));

		$log->write('warning', 'Test warning one');

		$result = substr(sprintf('%o', fileperms($path . 'error.log')), -4);

		$expected = '0666';

		$this->assertEquals($expected, $result);

		unlink($path . 'error.log');

		$log = new FileLog(array('path' => $path, 'mask' => 0644));

		$log->write('warning', 'Test warning two');

		$result = substr(sprintf('%o', fileperms($path . 'error.log')), -4);

		$expected = '0644';

		$this->assertEquals($expected, $result);

		unlink($path . 'error.log');

		$log = new FileLog(array('path' => $path, 'mask' => 0640));

		$log->write('warning', 'Test warning three');

		$result = substr(sprintf('%o', fileperms($path . 'error.log')), -4);

		$expected = '0640';

		$this->assertEquals($expected, $result);

		unlink($path . 'error.log');

	}

/**

 * helper function to clears all log files in specified directory

 *

 * @return void

 */

	protected function _deleteLogs($dir) {

		$files = array_merge(glob($dir . '*.log'), glob($dir . '*.log.*'));

		foreach ($files as $file) {

			unlink($file);

		}

	}

}