Abstract: A method, system and computer program product for testing a Middleware based application, including providing XML or XSD data and generating an XML template from the XML or XSD data, generating a test data template from the XML template, and generating XML values from the test data template. The XML values may be published over a Middleware based application. A query may be built in a application database wherein the data base is in communication with the Middleware based application. The queries may be executed by fetching data from the database. The method, system and computer program product may further include validating test data and subscribing to an application output. After validating the subscribed output against an expected output, a test result may be generated.