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Related papers: Hybrid Fault-Driven Mutation Testing for Python

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Automated unit test generation is a well-known methodology aiming to reduce the developers' effort of writing tests manually. Prior research focused mainly on statically typed programming languages like Java. In practice, however,…

Software Engineering · Computer Science 2022-02-11 Stephan Lukasczyk , Gordon Fraser

Modern programming languages (e.g., Java and C#) provide features to separate error-handling code from regular code, seeking to enhance software comprehensibility and maintainability. Nevertheless, the way exception handling (EH) code is…

Software Engineering · Computer Science 2021-05-04 Luan P. Lima , Lincoln S. Rocha , Carla I. M. Bezerra , Matheus Paixao

Unittest and pytest are the most popular testing frameworks in Python. Overall, pytest provides some advantages, including simpler assertion, reuse of fixtures, and interoperability. Due to such benefits, multiple projects in the Python…

Software Engineering · Computer Science 2026-02-06 Altino Alves , Andre Hora

It is crucial that smart contracts are tested thoroughly due to their immutable nature. Even small bugs in smart contracts can lead to huge monetary losses. However, testing is not enough; it is also important to ensure the quality and…

Software Engineering · Computer Science 2020-01-23 Pieter Hartel , Richard Schumi

Simultaneously modeling source code and natural language has many exciting applications in automated software development and understanding. Pursuant to achieving such technology, we introduce PyMT5, the Python method text-to-text transfer…

Machine Learning · Computer Science 2020-10-08 Colin B. Clement , Dawn Drain , Jonathan Timcheck , Alexey Svyatkovskiy , Neel Sundaresan

Python is a widely adopted programming language, valued for its simplicity and flexibility. However, its dynamic type system poses significant challenges for automated refactoring - an essential practice in software evolution aimed at…

Software Engineering · Computer Science 2025-11-20 Jonhnanthan Oliveira , Rohit Gheyi , Márcio Ribeiro , Alessandro Garcia

Testing is an important aspect in professional software development, both to avoid and identify bugs as well as to increase maintainability. However, increasing the number of tests beyond a reasonable amount hinders development progress. To…

Programming Languages · Computer Science 2022-05-23 Alexandros Efremidis , Joshua Schmidt , Sebastian Krings , Philipp Körner

Mutation testing is a widely recognized technique for assessing and enhancing the effectiveness of software test suites by introducing deliberate code mutations. However, its application often results in overly large test suites, as…

Software Engineering · Computer Science 2025-05-12 Mohamed Salah Bouafif , Mohammad Hamdaqa , Edward Zulkoski

Traditionally, mutation testing generates an abundance of small deviations of a program, called mutants. At industrial systems the scale and size of Facebook's, doing this is infeasible. We should not create mutants that the test suite…

Software Engineering · Computer Science 2021-01-28 Moritz Beller , Chu-Pan Wong , Johannes Bader , Andrew Scott , Mateusz Machalica , Satish Chandra , Erik Meijer

As developers increasingly rely on LLM-generated code summaries for documentation, testing, and review, it is important to study whether these summaries accurately reflect what the program actually does. LLMs often produce confident…

Software Engineering · Computer Science 2026-02-23 Lara Khatib , Micheal Pu , Bogdan Vasilescu , Meiyappan Nagappan

Evaluating software engineering capabilities has become a core component of modern large language models (LLMs); however, the key bottleneck hindering further scaling lies not in the scarcity of high-quality solutions, but in the lack of…

Software Engineering · Computer Science 2026-05-22 Yuxuan Sun , Yuze Zhao , Yufeng Wang , Yao Du , Zhiyuan Ma , Jinbo Wang , Mengdi Zhang , Kai Zhang , Zhenya Huang

The null-type is a major source of faults in Java programs, and its overuse has a severe impact on software maintenance. Unfortunately traditional mutation testing operators do not cover null-type faults by default, hence cannot be used as…

Software Engineering · Computer Science 2020-04-10 Ali Parsai , Serge Demeyer

As a new research area, quantum software testing lacks systematic testing benchmarks to assess testing techniques' effectiveness. Recently, some open-source benchmarks and mutation analysis tools have emerged. However, there is insufficient…

Software Engineering · Computer Science 2025-05-05 Eñaut Mendiluze Usandizaga , Tao Yue , Paolo Arcaini , Shaukat Ali

In mutation testing, the quality of a test suite is evaluated by introducing faults into a program and determining whether the program's tests detect them. Most existing approaches for mutation testing involve the application of a fixed set…

Software Engineering · Computer Science 2025-03-10 Frank Tip , Jonathan Bell , Max Schaefer

Automated unit test generation is an established research field that has so far focused on statically-typed programming languages. The lack of type information in dynamically-typed programming languages, such as Python, inhibits test…

Software Engineering · Computer Science 2025-07-03 Lukas Krodinger , Stephan Lukasczyk , Gordon Fraser

Mutation testing can help minimize the delivery of faulty software. Therefore, it is a recommended practice for developing embedded software in safety-critical cyber-physical systems (CPS). However, state-of-the-art mutation testing…

Software Engineering · Computer Science 2025-07-04 Jaekwon Lee , Fabrizio Pastore , Lionel Briand

Predictive Mutation Testing (PMT) is a technique to predict whether a mutant will be killed by using machine learning approaches. Researchers have proposed various machine learning methods for PMT under the cross-project setting. However,…

Software Engineering · Computer Science 2020-05-26 Alireza Aghamohammadi , Seyed-Hassan Mirian-Hosseinabadi

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

Unit tests play a vital role in uncovering potential faults in software. While tools like EvoSuite focus on maximizing code coverage, recent advances in large language models (LLMs) have shifted attention toward LLM-based test generation.…

Software Engineering · Computer Science 2026-04-17 Guancheng Wang , Qinghua Xu , Lionel Briand , Kui Liu

Mutation testing is a well-studied method for increasing the quality of a test suite. We designed LittleDarwin as a mutation testing framework able to cope with large and complex Java software systems, while still being easily extensible…

Software Engineering · Computer Science 2017-07-06 Ali Parsai , Alessandro Murgia , Serge Demeyer