<?php
use MCMS\System;
use MCMS\Interfaces\iSystem;
use MCMS\Session\CLISession;
use MCMS\_\Plugin\Cache\MCMS\Simple\SimpleCache;
use Mammut\Cache\iCache;
use MCMS\Plugin\iPlugInCache;
use MCMS\_\Plugin\Cache\MCMS\APC\APC;

class MCMSCacheTest extends PHPUnit_Framework_TestCase {

	public static function setUpBeforeClass() {
		if(!defined('USE_MCMS'))
			define('USE_MCMS', true);
		importlib('MCMS.system');
	}
	
	/**
	 * Common checks for all cache implementations
	 * @param iPlugInCache $cache
	 */
	protected function doChecks(iPlugInCache $cache) {
		$cache->clear();
		$this->assertFalse($cache->keyExists('test'), "Key should not exist after 'clear'");
		$cache->set('test', '123', 10);
		$this->assertTrue($cache->keyExists('test'), "Key should exist after 'set'");
		$this->assertEquals('123', $cache->get('test'),  "Value from cache does not match 'set' value");
		$cache->delete('test');
		$this->assertFalse($cache->keyExists('test'), "Key should not exist after 'delete'");
		$cache->set('test', function() { return 1234; }, 10);
		$this->assertTrue($cache->keyExists('test'), "Key should exist after 'set'");
		$this->assertEquals(1234, $cache->get('test'),  "Value from cache does not match 'set' lamda method return value");
		$this->assertEquals(12345, $cache->get('test2',  function() { return 12345; }),  "Value from cache does not match 'set' lamda method return value");
		$cache->clear();
		$this->assertFalse($cache->keyExists('test'), "Key should not exist after 'clear'");
		$cache->getHits();
	}

	public function testNull() {
		$cache = new \MCMS\_\Plugin\Cache\MCMS\NullCache\NullCache();
		// null cache - only check if methods can be called
		$cache->set('test', '123', 0);
		$cache->keyExists('test');
		$cache->get('test');
		$cache->delete('test');
		$cache->clear();
		$this->assertEquals(12345, $cache->get('test2',  function() { return 12345; }),  "Value from cache does not match 'default' lamda method return value");
		$cache->getHits();
	}
	
	public function testSimpleCache() {
		$cache = new \MCMS\_\Plugin\Cache\MCMS\SimpleCache\SimpleCache();
		$this->doChecks($cache);
	}

	public function testAPC() {
		if (!extension_loaded('apc'))
			$this->markTestSkipped('apc extension missing');
		$cache = new \MCMS\_\Plugin\Cache\MCMS\APC\APC();
		$this->doChecks($cache);
	}

	public function testWinCache() {
		if (!extension_loaded('wincache'))
			$this->markTestSkipped('wincache extension missing');
		// note: needs wincache.enablecli=1 in php.ini
		$cache = new \MCMS\_\Plugin\Cache\MCMS\WinCache\WinCache();
		$this->doChecks($cache);
	}
	
}