BrowscapPHP\BrowscapUpdater::checkUpdate PHP Метод

    public function checkUpdate()
    {
        $success = null;
        $cachedVersion = $this->getCache()->getItem('browscap.version', false, $success);
        if (!$cachedVersion) {
            // could not load version from cache
            $this->getLogger()->info('there is no cached version available, please update from remote');
            return 0;
        }
        $uri = (new IniLoader())->getRemoteVersionUrl();
        /** @var \Psr\Http\Message\ResponseInterface $response */
        $response = $this->getClient()->get($uri, ['connect_timeout' => $this->connectTimeout]);
        if ($response->getStatusCode() !== 200) {
            throw new FetcherException('an error occured while fetching version data from URI ' . $uri . ': StatusCode was ' . $response->getStatusCode());
        }
        try {
            $remoteVersion = $response->getBody()->getContents();
        } catch (\Exception $e) {
            throw new FetcherException('an error occured while fetching version data from URI ' . $uri . ': StatusCode was ' . $response->getStatusCode(), 0, $e);
        }
        if (!$remoteVersion) {
            // could not load remote version
            $this->getLogger()->info('could not load version from remote location');
            return 0;
        }
        if ($cachedVersion && $remoteVersion && $remoteVersion <= $cachedVersion) {
            // no newer version available
            $this->getLogger()->info('there is no newer version available');
            return null;
        }
        $this->getLogger()->info('a newer version is available, local version: ' . $cachedVersion . ', remote version: ' . $remoteVersion);
        return (int) $cachedVersion;
    }

 /**
  *
  */
 public function testCheckUpdateWithNewerVersion()
 {
     $logger = $this->getMockBuilder(\Monolog\Logger::class)->disableOriginalConstructor()->getMock();
     $this->object->setLogger($logger);
     $body = $this->getMockBuilder(\GuzzleHttp\Psr7\Stream::class)->disableOriginalConstructor()->setMethods(['getContents'])->getMock();
     $body->expects(self::once())->method('getContents')->will(self::returnValue(6001));
     $response = $this->getMockBuilder(\GuzzleHttp\Psr7\Response::class)->disableOriginalConstructor()->setMethods(['getStatusCode', 'getBody'])->getMock();
     $response->expects(self::once())->method('getStatusCode')->will(self::returnValue(200));
     $response->expects(self::once())->method('getBody')->will(self::returnValue($body));
     $client = $this->getMockBuilder(\GuzzleHttp\Client::class)->disableOriginalConstructor()->setMethods(['get'])->getMock();
     $client->expects(self::once())->method('get')->will(self::returnValue($response));
     $this->object->setClient($client);
     $map = [['browscap.time', false, null, null], ['browscap.version', false, null, 6000]];
     $cache = $this->getMockBuilder(\BrowscapPHP\Cache\BrowscapCache::class)->disableOriginalConstructor()->setMethods(['getItem', 'hasItem', 'setItem'])->getMock();
     $cache->expects(self::any())->method('getItem')->will(self::returnValueMap($map));
     $cache->expects(self::any())->method('hasItem')->will(self::returnValue(true));
     $cache->expects(self::never())->method('setItem')->will(self::returnValue(false));
     $this->object->setCache($cache);
     self::assertSame(6000, $this->object->checkUpdate());
 }