public function testSignRequest() { $oauthClient = new OAuth1(); $oauthSignatureMethod = new PlainText(); $oauthClient->setSignatureMethod($oauthSignatureMethod); $signedParams = $this->invokeOAuthClientMethod($oauthClient, 'signRequest', ['GET', 'http://test.url', []]); $this->assertNotEmpty($signedParams['oauth_signature'], 'Unable to sign request!'); }