facebook / php-graph-sdk

        $this->assertNull($accessToken);

    }

    public function testAnAccessTokenCanBeInstantiatedWhenRedirectReturnsAnAccessToken()

    {

        $this->helper->instantiateSignedRequest($this->rawSignedRequestAuthorizedWithAccessToken);

        $accessToken = $this->helper->getAccessToken();

        $this->assertInstanceOf(AccessToken::class, $accessToken);

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

    }

    public function testAnAccessTokenCanBeInstantiatedWhenRedirectReturnsACode()

    {

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

    }

    public function testAnAccessTokenCanBeInstantiatedWhenRedirectReturnsACode()

    {

        $this->helper->instantiateSignedRequest($this->rawSignedRequestAuthorizedWithCode);

        $accessToken = $this->helper->getAccessToken();

        $this->assertInstanceOf(AccessToken::class, $accessToken);

        $this->assertEquals('foo_access_token_from:foo_code', $accessToken->getValue());

    }

}