public function testqueryString() { $oauthToken = new OAuthToken(); $result = $oauthToken->queryString(); $this->assertEquals('oauth_token=&oauth_token_secret=', $result); //test with attributes set $oauthToken->token = 'toekn'; $oauthToken->secret = 'secret'; $result = $oauthToken->queryString(); $this->assertEquals('oauth_token=toekn&oauth_token_secret=secret', $result); }