facebook / facebook-php-sdk-v4

        );

    }

    public function testStreamHttpClientHandlerCanBeForced()

    {

        $config = array_merge($this->config, [

            'http_client_handler' => 'stream'

        ]);

        $fb = new Facebook($config);

        $this->assertInstanceOf(

            'Facebook\HttpClients\FacebookStreamHttpClient',

            $fb->getClient()->getHttpClientHandler()

        );

    }

    public function testGuzzleHttpClientHandlerCanBeForced()

    {

        );

    }

    public function testGuzzleHttpClientHandlerCanBeForced()

    {

        $config = array_merge($this->config, [

            'http_client_handler' => 'guzzle'

        ]);

        $fb = new Facebook($config);

        $this->assertInstanceOf(

            'Facebook\HttpClients\FacebookGuzzleHttpClient',

            $fb->getClient()->getHttpClientHandler()

        );

    }

    /**

     * @expectedException \InvalidArgumentException

        $fb = new Facebook($config);

    }

    public function testPersistentDataHandlerCanBeForced()

    {

        $config = array_merge($this->config, [

            'persistent_data_handler' => 'memory'

        ]);

        $fb = new Facebook($config);

        $this->assertInstanceOf(

            'Facebook\PersistentData\FacebookMemoryPersistentDataHandler',

            $fb->getRedirectLoginHelper()->getPersistentDataHandler()

        );

    }

    public function testSettingAnInvalidUrlHandlerThrows()

    {