WS-TAXI: A WSDL-based Testing Tool for Web Services

  • Authors:
  • Cesare Bartolini;Antonia Bertolino;Eda Marchetti;Andrea Polini

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ICST '09 Proceedings of the 2009 International Conference on Software Testing Verification and Validation
  • Year:
  • 2009

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Abstract

Web Services (WSs) are the W3C-endorsed realization of the Service-Oriented Architecture (SOA). Since they are supposed to be implementation-neutral, WSs are typically tested black-box at their interface. Such an interface is generally specified in an XML-based notation called the WS Description Language (WSDL). Conceptually, these WSDL documents are eligible for fully automated WS test generation using syntax-based testing approaches. Towards such goal, we introduce the WS-TAXI framework, in which we combine the coverage of WS operations with data-driven test generation. In this paper we present an early-stage implementation of WS-TAXI, obtained by the integration of two existing softwares: soapUI, a popular tool for WS testing, and TAXI, an application we have previously developed for the automated derivation of XML instances from a XML schema. WS-TAXI delivers a complete suite of test messages ready for execution. Test generation is driven by basic coverage criteria and by the application of some heuristics. The application of WS-TAXI to a real case study gave encouraging results.