facebook / facebook-php-sdk-v4

        $this->assertEquals(static::TESTING_GRAPH_VERSION, $request->getGraphVersion());

    }

    public function testCanGetLongLivedAccessToken()

    {

        $this->client->setAccessTokenResponse();

        $accessToken = $this->oauth->getLongLivedAccessToken('short_token');

        $this->assertEquals('my_access_token', $accessToken->getValue());

        $expectedParams = [

            'grant_type' => 'fb_exchange_token',

            'fb_exchange_token' => 'short_token',

            'client_id' => '123',

            'client_secret' => 'foo_secret',

            'access_token' => '123|foo_secret',

            'appsecret_proof' => 'de753c58fd58b03afca2340bbaeb4ecf987b5de4c09e39a63c944dd25efbc234',

        ];

        $request = $this->oauth->getLastRequest();

        $this->assertEquals($expectedParams, $request->getParams());

    }

    public function testCanGetCodeFromLongLivedAccessToken()

    {

        $this->assertEquals($expectedParams, $request->getParams());

    }

    public function testCanGetCodeFromLongLivedAccessToken()

    {

        $this->client->setCodeResponse();

        $code = $this->oauth->getCodeFromLongLivedAccessToken('long_token', 'foo_uri');

        $this->assertEquals('my_neat_code', $code);

        $expectedParams = [

            'access_token' => 'long_token',

            'redirect_uri' => 'foo_uri',

            'client_id' => '123',

            'client_secret' => 'foo_secret',

            'appsecret_proof' => '7e91300ea91be4166282611d4fc700b473466f3ea2981dafbf492fc096995bf1',

        ];

        $request = $this->oauth->getLastRequest();

        $this->assertEquals($expectedParams, $request->getParams());

        $this->assertEquals('/oauth/client_code', $request->getEndpoint());

    }

}