<?php

namespace Featurit\Client\Tests;

use Featurit\Client\LocalCacheFactory;

use PHPUnit\Framework\TestCase;

use Psr\SimpleCache\CacheInterface;

class LocalCacheFactoryTest extends TestCase

{

const TEST_CACHE_DIR = "cache_test";

private $testCacheDir = "";

protected function setUp(): void

{

$this->testCacheDir = join(DIRECTORY_SEPARATOR, [dirname(__FILE__), '..', self::TEST_CACHE_DIR]);

}

protected function tearDown(): void

{

$this->deleteDirectory($this->testCacheDir);

}

private function deleteDirectory($dir): bool

{

if (!file_exists($dir)) {

return true;

}

if (!is_dir($dir)) {

return unlink($dir);

}

foreach (scandir($dir) as $item) {

if ($item == '.' || $item == '..') {

continue;

}

if (!$this->deleteDirectory($dir . DIRECTORY_SEPARATOR . $item)) {

return false;

}

}

return rmdir($dir);

}

public function test_local_cache_factory_returns_a_cache_interface_instance(): void

{

$localCacheFactory = new LocalCacheFactory();

$localCache = $localCacheFactory->setLocalCache(1, self::TEST_CACHE_DIR);

$this->assertInstanceOf(CacheInterface::class, $localCache);

}

public function test_returned_cache_works_properly(): void

{

$localCacheFactory = new LocalCacheFactory();

$localCache = $localCacheFactory->setLocalCache(5, self::TEST_CACHE_DIR);

$localCache->set('test_key', 'test_value');

$value = $localCache->get('test_key');

$this->assertEquals('test_value', $value);

}

public function test_returned_cache_expires_after_1_minute(): void

{

$localCacheFactory = new LocalCacheFactory();

$localCache = $localCacheFactory->setLocalCache(1, self::TEST_CACHE_DIR);

$localCache->set('test_key_2', 'test_value');

$localCache = $localCacheFactory->setLocalCache(1, self::TEST_CACHE_DIR);

$value = $localCache->get('test_key_2');

$this->assertEquals('test_value', $value);

sleep(1 * 60);

$localCache = $localCacheFactory->setLocalCache(1, self::TEST_CACHE_DIR);

$value = $localCache->get('test_key_2');

$this->assertNull($value);

}

}