Njasm\Soundcloud\Request\Request::exec PHP Method

    public function exec()
    {
        $verb = strtoupper($this->resource->getVerb());
        $this->buildDefaultHeaders();
        $curlHandler = curl_init();
        //curl_setopt_array($curlHandler, $this->options);
        // workaround for issue njasm/soundcloud#28 on github.
        // for some reason curl_setopt_array does not wanna work well with 7.0 on some PHP builds.
        // needs further investigation.
        foreach ($this->options as $index => $value) {
            curl_setopt($curlHandler, $index, $value);
        }
        curl_setopt($curlHandler, CURLOPT_USERAGENT, $this->getUserAgent());
        curl_setopt($curlHandler, CURLOPT_CUSTOMREQUEST, $verb);
        curl_setopt($curlHandler, CURLOPT_URL, $this->urlBuilder->getUrl());
        if ($verb != 'GET') {
            curl_setopt($curlHandler, CURLOPT_POSTFIELDS, $this->getBodyContent());
        }
        $response = curl_exec($curlHandler);
        $info = curl_getinfo($curlHandler);
        $errno = curl_errno($curlHandler);
        $errorString = curl_error($curlHandler);
        curl_close($curlHandler);
        $this->options[CURLOPT_HTTPHEADER] = array();
        return $this->factory->make('ResponseInterface', array($response, $info, $errno, $errorString));
    }

 public function testRequest()
 {
     $resource = new Resource('post', '/me', array('name' => 'John Doe'));
     $urlBuilder = new UrlBuilder($resource, '127', '0.0.1', 'http://');
     // request Factory mock
     $reqFactoryMock = $this->getMock("Njasm\\Soundcloud\\Factory\\Factory", array('make'));
     $reqFactoryMock->expects($this->any())->method('make')->with($this->equalTo('ResponseInterface'))->will($this->returnCallback(function ($arg) {
         return new Response("HTTP/1.1 302 Found\nurl: http://127.0.0.1/index.php\r\n\r\n{\"status\": \"ok\"}", array('url' => 'http://127.0.0.1/index.php'), 0, "No Error");
     }));
     $request = new Request($resource, $urlBuilder, $reqFactoryMock);
     $response = $request->exec();
     $this->assertInstanceOf('Njasm\\Soundcloud\\Request\\ResponseInterface', $response);
 }