TestART: Achieving 78.55% Pass Rate and 90.96% Coverage with a Co-Evolutionary Approach to LLM-Based Unit Test Generation and Repair

TestART: Achieving 78.55% Pass Rate and 90.96% Coverage with a Co-Evolutionary Approach to LLM-Based Unit Test Generation and Repair

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Practical Solutions for Automated Unit Test Generation

Unit testing identifies and resolves bugs early, ensuring software reliability and quality. Traditional methods of unit test generation can be time-consuming and labor-intensive, necessitating the development of automated solutions.

Challenges and Automated Solutions

Large Language Models (LLMs) can struggle to consistently create valid test cases. Existing tools, such as search-based software testing (SBST) and LLM-based methods, offer various approaches to tackle these challenges.

Introducing TestART

TestART is a novel approach that enhances LLM-based unit test generation through a co-evolutionary process integrating automated generation with iterative repair. It employs template-based repair techniques and prompt injection mechanisms to guide the model’s subsequent generation processes.

TestART Operation and Effectiveness

TestART first generates initial unit test cases using the ChatGPT-3.5 model, which are then subjected to a rigorous repair process. The effectiveness of TestART has been demonstrated through extensive experiments, showing significant improvement over existing methods.

Value of TestART

By addressing the limitations of existing LLM-based methods, TestART achieves higher pass rates and better coverage, making it a valuable tool for software developers seeking to ensure the reliability and quality of their code.

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