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A metamorphic testing approach for event sequences.

Jing Chen1,2, Yinglong Wang2, Ying Guo2

  • 1College of Computer Science and Engineering, Shandong University of Science and Technology, Qingdao, Shandong, China.

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|February 20, 2019
PubMed
Summary
This summary is machine-generated.

This study introduces a metamorphic testing approach for event sequences (MTES) to address the test oracle problem in business-process-based software systems. MTES effectively tests complex systems without needing traditional test oracles.

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Area of Science:

  • Software Engineering
  • Software Testing
  • Business Process Management

Background:

  • The test oracle problem hinders software testing, particularly for systems with complex business processes.
  • Existing methods struggle with validating execution results when test oracles are unavailable or costly.

Purpose of the Study:

  • To propose and evaluate a novel metamorphic testing approach for event sequences (MTES) to overcome the test oracle problem.
  • To enable effective testing of business-process-based software systems without relying on traditional test oracles.

Main Methods:

  • Representing business processes as event sequences.
  • Applying metamorphic testing techniques to these event sequences.
  • Developing and applying metamorphic relations specific to business processes through case studies.

Main Results:

  • The proposed MTES approach was evaluated through three case studies.
  • Experimental results demonstrate the feasibility and effectiveness of MTES for systems with rich business processes.
  • Identified general rules and specific examples for selecting effective metamorphic relations for business processes.

Conclusions:

  • Metamorphic testing for event sequences (MTES) offers a viable solution to the test oracle problem in business-process-based systems.
  • The study provides practical guidelines for selecting appropriate metamorphic relations, enhancing test automation.
  • MTES contributes to more robust and efficient testing of complex software applications.