The Prompt Alchemist: Automated LLM-Tailored Prompt Optimization for Test Case Generation

The Prompt Alchemist: Automated LLM-Tailored Prompt Optimization for Test Case Generation

Introduction to MAPS: A New Era in Test Case Generation

With the rise of Artificial Intelligence (AI), the software industry is now utilizing Large Language Models (LLMs) for tasks like code completion and debugging. However, traditional LLMs often create generic test cases that do not consider the specific needs of different software, leading to potential bugs and increased costs, especially in critical fields like healthcare. To address these challenges, researchers have developed MAPS, a tool designed for customized prompt optimization and contextual understanding.

Challenges with Traditional Methods

Conventional test case generation relies heavily on rule-based systems or manual prompt engineering, which can be time-consuming and difficult to scale. These methods often produce generic outputs that may overlook critical bugs. A new approach is essential to streamline the process and improve outcomes.

How MAPS Works

MAPS automates the prompt optimization process, reducing the need for human intervention and aligning test cases with real-world requirements. Its core features include:

  • Baseline Prompt Evaluation: Assessing LLM performance on basic prompts to identify areas for improvement.
  • Feedback Loop: Continuously refining test cases based on evaluation results to better meet software requirements.
  • LLM-Specific Tuning: Using reinforcement learning for dynamic prompt optimization tailored to the strengths and weaknesses of different LLMs.

Results and Benefits

MAPS has shown significant improvements over traditional methods, achieving a 6.19% higher line coverage rate and identifying more bugs. The optimized prompts also enhance semantic correctness, reducing the need for manual adjustments.

Conclusion

MAPS is a cutting-edge solution for prompt generation in software testing, addressing the limitations of existing techniques. By automating prompt optimization, it enhances the quality and reliability of automated testing workflows, making it an essential tool for software development teams aiming for efficiency and effectiveness.

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