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As modern web services increasingly rely on REST APIs, their thorough testing has become crucial. Furthermore, the advent of REST API documentation languages, such as the OpenAPI Specification, has led to the emergence of many black-box…

Software Engineering · Computer Science 2025-01-23 Myeongsoo Kim , Tyler Stennett , Saurabh Sinha , Alessandro Orso

As Large Language Models (LLMs) advance in natural language processing, there is growing interest in leveraging their capabilities to simplify software interactions. In this paper, we propose a novel system that integrates LLMs for both…

Computation and Language · Computer Science 2024-09-19 Chunliang Tao , Xiaojing Fan , Yahe Yang

Automated regression test generation has been extensively explored, yet generating high-quality tests for Python programs remains particularly challenging. Because of the Python's dynamic typing features, existing approaches, ranging from…

Software Engineering · Computer Science 2025-10-23 Runlin Liu , Zhe Zhang , Yunge Hu , Yuhang Lin , Xiang Gao , Hailong Sun

LLM-based agents have demonstrated great potential in generating and managing code within complex codebases. In this paper, we introduce WebGen-Bench, a novel benchmark designed to measure an LLM-based agent's ability to create multi-file…

Computation and Language · Computer Science 2025-08-12 Zimu Lu , Yunqiao Yang , Houxing Ren , Haotian Hou , Han Xiao , Ke Wang , Weikang Shi , Aojun Zhou , Mingjie Zhan , Hongsheng Li

REST APIs are prevalent among web service implementations, easing interoperability through the HTTP protocol. API testers and users exploit the widely adopted OpenAPI Specification (OAS), a machine-readable standard to document REST APIs.…

Software Engineering · Computer Science 2025-07-17 Alix Decrop , Xavier Devroey , Mike Papadakis , Pierre-Yves Schobbens , Gilles Perrouin

Web applications are critical to modern software ecosystems, yet ensuring their reliability remains challenging due to the complexity and dynamic nature of web interfaces. Recent advances in large language models (LLMs) have shown promise…

Software Engineering · Computer Science 2026-02-20 Nguyen-Khang Le , Quan Minh Bui , Minh Ngoc Nguyen , Hiep Nguyen , Trung Vo , Son T. Luu , Shoshin Nomura , Minh Le Nguyen

Software testing is essential to ensure system quality, but it remains time-consuming and error-prone when performed manually. Although recent advances in Large Language Models (LLMs) have enabled automated test generation, most existing…

Software Engineering · Computer Science 2025-10-02 Elvis Júnior , Alan Valejo , Jorge Valverde-Rebaza , Vânia de Oliveira Neves

Automated testing for REST APIs has become essential for ensuring the correctness and reliability of modern web services. While existing approaches primarily focus on detecting server crashes and error codes, they often overlook logical…

Software Engineering · Computer Science 2025-03-20 Ke Zhang , Chenxi Zhang , Chong Wang , Chi Zhang , YaChen Wu , Zhenchang Xing , Yang Liu , Qingshan Li , Xin Peng

Most of the web services are offered in the form of RESTful APIs. This has led to an active research interest in API testing to ensure the reliability of these services. While most of the testing techniques proposed in the past rely on the…

Software Engineering · Computer Science 2025-01-31 Devika Sondhi , Ananya Sharma , Diptikalyan Saha

Software testing is a core discipline in software engineering where a large array of research results has been produced, notably in the area of automatic test generation. Because existing approaches produce test cases that either can be…

Software Engineering · Computer Science 2023-10-11 Laura Plein , Wendkûuni C. Ouédraogo , Jacques Klein , Tegawendé F. Bissyandé

With the rise of software-as-a-service and microservice architectures, RESTful APIs are now ubiquitous in mobile and web applications. A service can have tens or hundreds of API methods, making it a challenge for programmers to find the…

Programming Languages · Computer Science 2022-04-06 Zheng Guo , David Cao , Davin Tjong , Jean Yang , Cole Schlesinger , Nadia Polikarpova

Large Language Models (LLMs) can interact with the real world by connecting with versatile external APIs, resulting in better problem-solving and task automation capabilities. Previous research primarily focuses on APIs with limited…

Software Engineering · Computer Science 2024-10-29 Hongru Wang , Rui Wang , Boyang Xue , Heming Xia , Jingtao Cao , Zeming Liu , Jeff Z. Pan , Kam-Fai Wong

Many automatic unit test generation tools that can generate unit test cases with high coverage over a program have been proposed. However, most of these tools are ineffective on deep learning (DL) frameworks due to the fact that many of…

Software Engineering · Computer Science 2023-07-04 Arunkaleeshwaran Narayanan , Nima Shiri harzevili , Junjie Wang , Lin Shi , Moshi Wei , Song Wang

Generating unit tests is a crucial task in software development, demanding substantial time and effort from programmers. The advent of Large Language Models (LLMs) introduces a novel avenue for unit test script generation. This research…

Software Engineering · Computer Science 2024-02-14 Shreya Bhatia , Tarushi Gandhi , Dhruv Kumar , Pankaj Jalote

REST APIs (Representational State Transfer Application Programming Interfaces) play a vital role in modern cloud-native applications. As these APIs grow in complexity and scale, ensuring their correctness and robustness becomes increasingly…

Software Engineering · Computer Science 2025-08-05 Robbe Nooyens , Tolgahan Bardakci , Mutlu Beyazit , Serge Demeyer

We introduce API Pack, a massive multi-programming language dataset containing over one million instruction-API calls for improving the API call generation capabilities of large language models. Our evaluation highlights three key findings:…

Computation and Language · Computer Science 2025-02-17 Zhen Guo , Adriana Meza Soria , Wei Sun , Yikang Shen , Rameswar Panda

API-driven chatbot systems are increasingly integral to software engineering applications, yet their effectiveness hinges on accurately generating and executing API calls. This is particularly challenging in scenarios requiring multi-step…

API testing has increasing demands for software companies. Prior API testing tools were aware of certain types of dependencies that needed to be concise between operations and parameters. However, their approaches, which are mostly done…

Software Engineering · Computer Science 2024-07-16 Tri Le , Thien Tran , Duy Cao , Vy Le , Tien Nguyen , Vu Nguyen

This paper investigates the application of large language models (LLM) in the domain of mobile application test script generation. Test script generation is a vital component of software testing, enabling efficient and reliable automation…

Software Engineering · Computer Science 2023-09-26 Shengcheng Yu , Chunrong Fang , Yuchen Ling , Chentian Wu , Zhenyu Chen

Tool-augmented LLMs are a promising approach to create AI agents that can have realistic conversations, follow procedures, and call appropriate functions. However, evaluating them is challenging due to the diversity of possible…

Computation and Language · Computer Science 2024-10-11 Samuel Arcadinho , David Aparicio , Mariana Almeida