<?php

/**
 * @link https://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license https://www.yiiframework.com/license/
 */

namespace yiiunit\framework\caching;

use yii\caching\ArrayCache;

/**
 * Class for testing file cache backend.
 * @group caching
 */
class ArrayCacheTest extends CacheTestCase
{
    private ?\yii\caching\ArrayCache $_cacheInstance = null;

    /**
     * @return ArrayCache
     */
    protected function getCacheInstance()
    {
        if ($this->_cacheInstance === null) {
            $this->_cacheInstance = new ArrayCache();
        }

        return $this->_cacheInstance;
    }

    public function testExpire(): void
    {
        $cache = $this->getCacheInstance();

        static::$microtime = \microtime(true);
        $this->assertTrue($cache->set('expire_test', 'expire_test', 2));
        static::$microtime++;
        $this->assertEquals('expire_test', $cache->get('expire_test'));
        static::$microtime++;
        $this->assertFalse($cache->get('expire_test'));
    }

    public function testExpireAdd(): void
    {
        $cache = $this->getCacheInstance();

        static::$microtime = \microtime(true);
        $this->assertTrue($cache->add('expire_testa', 'expire_testa', 2));
        static::$microtime++;
        $this->assertEquals('expire_testa', $cache->get('expire_testa'));
        static::$microtime++;
        $this->assertFalse($cache->get('expire_testa'));
    }

    /**
     * @see https://github.com/yiisoft/yii2/issues/16028
     */
    public function testSerializationOfComplexKeysThatContainNonUTFSequences(): void
    {
        $cache = $this->getCacheInstance();

        $firstCacheKey = $cache->buildKey([
            "First example of invalid UTF-8 sequence: \xF5",
            'Valid UTF-8 string',
        ]);

        $secondCacheKey = $cache->buildKey([
            "Second example of invalid UTF-8 sequence: \xF6",
            'Valid UTF-8 string',
        ]);

        $this->assertNotEquals($firstCacheKey, $secondCacheKey);
    }
}
