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Automated test case generation has proven to be useful to reduce the usually high expenses of software testing. However, several studies have also noted the skepticism of testers regarding the comprehension of generated test suites when…

Software Engineering · Computer Science 2024-01-17 Pedro Delgado-Pérez , Aurora Ramírez , Kevin J. Valle-Gómez , Inmaculada Medina-Bulo , José Raúl Romero

Microservice architectures are an emergent technology that builds business logic into a suite of small services. Each microservice runs in its process and the communication is made through lightweight mechanisms, usually HTTP resource API.…

Software Engineering · Computer Science 2026-03-02 Ana Catarina Ribeiro

REST APIs enable collaboration among microservices. A single fault in a REST API can bring down the entire microservice system and cause significant financial losses, underscoring the importance of REST API testing. Effectively testing REST…

Software Engineering · Computer Science 2026-04-10 Ding Yang , Ruixiang Qian , Zhao Wei , Zhenyu Chen , Chunrong Fang

With several microservice architectures comprising of thousands of web services, used to serve 630 million customers, companies like Meituan face several challenges in the verification and validation of their software. This paper reports on…

Software Engineering · Computer Science 2024-08-23 Man Zhang , Andrea Arcuri , Yonggang Li , Yang Liu , Kaiming Xue , Zhao Wang , Jian Huo , Weiwei Huang

In the last years, RESTful Web services have become more and more popular as a lightweight solution to connect remote systems in distributed and Cloud-based architectures. However, being an architectural style rather than a specification or…

Software Engineering · Computer Science 2024-04-02 Hamza Ed-Douibi , Javier Luis Cánovas Izquierdo , Abel Gómez , Massimo Tisi , Jordi Cabot

In literature, we can find research tools to automatically generate test cases for RESTful APIs, addressing the specificity of this particular programming domain. However, no direct comparison of these tools is available to guide developers…

Software Engineering · Computer Science 2021-08-19 Davide Corradini , Amedeo Zampieri , Michele Pasqua , Mariano Ceccato

Search-Based Software Testing (SBST) has seen several success stories in academia and industry. The effectiveness of a search algorithm at solving a software engineering problem strongly depends on how such algorithm can navigate the…

Software Engineering · Computer Science 2025-09-22 Omur Sahin , Man Zhang , Andrea Arcuri

Identifying the root cause of a bug remains difficult for many developers because bug reports often lack a bug reproducing test case that reliably triggers the failure. Manually writing such test cases is time-consuming and requires…

Software Engineering · Computer Science 2026-03-10 Zhiwei Fei , Yue Pan , Federica Sarro , Jidong Ge , Marc Liu , Vincent Ng , He Ye

Due to their widespread use in industry, several techniques have been proposed in the literature to fuzz REST APIs. Existing fuzzers for REST APIs have been focusing on detecting crashes (e.g., 500 HTTP server error status code). However,…

Software Engineering · Computer Science 2026-04-02 Omur Sahin , Man Zhang , Andrea Arcuri

A reliable executable environment is the foundation for ensuring that large language models solve software engineering tasks. Due to the complex and tedious construction process, large-scale configuration is relatively inefficient. However,…

Software Engineering · Computer Science 2026-01-26 Xinshuai Guo , Jiayi Kuang , Linyue Pan , Yinghui Li , Yangning Li , Hai-Tao Zheng , Ying Shen , Di Yin , Xing Sun

The focus of this paper is on automating the security testing of RESTful APIs. The testing stage of this specific kind of components is often performed manually, and this is yet considered as a long and difficult activity. This paper…

Cryptography and Security · Computer Science 2024-03-07 Sebastien Salva , Jarod Sue

The ongoing advancements in network architecture design have led to remarkable achievements in deep learning across various challenging computer vision tasks. Meanwhile, the development of neural architecture search (NAS) has provided…

Neural and Evolutionary Computing · Computer Science 2023-04-19 Zhichao Lu , Ran Cheng , Yaochu Jin , Kay Chen Tan , Kalyanmoy Deb

RESTful APIs are arguably the most popular endpoints for accessing Web services. Blackbox testing is one of the emerging techniques for ensuring the reliability of RESTful APIs. The major challenge in testing RESTful APIs is the need for…

Software Engineering · Computer Science 2022-06-28 Yi Liu , Yuekang Li , Gelei Deng , Yang Liu , Ruiyuan Wan , Runchao Wu , Dandan Ji , Shiheng Xu , Minli Bao

In this work, we present a novel, machine-learning approach for constructing Multiclass Interpretable Scoring Systems (MISS) - a fully data-driven methodology for generating single, sparse, and user-friendly scoring systems for multiclass…

Machine Learning · Computer Science 2024-01-11 Michal K. Grzeszczyk , Tomasz Trzciński , Arkadiusz Sitek

The growing need for scalable, maintainable, and fast-deploying systems has made microservice architecture widely popular in software development. This paper presents a system that uses Large Language Models (LLMs) to automate the API-first…

Software Engineering · Computer Science 2025-03-05 Saurabh Chauhan , Zeeshan Rasheed , Abdul Malik Sami , Zheying Zhang , Jussi Rasku , Kai-Kristian Kemell , Pekka Abrahamsson

RESTful APIs are an increasingly common way to expose software systems functionality and it is therefore of high interest to find methods to automatically test and verify such APIs. To lower the barrier for industry adoption, such methods…

Software Engineering · Computer Science 2019-12-23 Stefan Karlsson , Adnan Causevic , Daniel Sundmark

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

Modern web services rely heavily on REST APIs, typically documented using the OpenAPI specification. The widespread adoption of this standard has resulted in the development of many black-box testing tools that generate tests based on…

Software Engineering · Computer Science 2025-04-07 Myeongsoo Kim , Saurabh Sinha , Alessandro Orso

Research in the area of automated test generation has seen remarkable progress in recent years, resulting in several approaches and tools for effective and efficient generation of test cases. In particular, the EvoSuite tool has been at the…

Software Engineering · Computer Science 2025-01-17 Fitsum Kifetew , Davide Prandi , Angelo Susi

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