Test Automation for Serverless Architectures (FaaS)

Pradeepkumar Palanisamy
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Pradeepkumar Palanisamy: Anna University, India

European Journal of Information Technologies and Computer Science, 2025, vol. 5, issue 4, 5-12

Abstract: Serverless architectures, and specifically Function-as-a-Service (FaaS), represent a paradigm shift in application development, offering compelling benefits such as automatic scaling, a pay-per-use cost model, and significantly reduced operational management of underlying infrastructure. This architectural style allows developers to focus on writing business logic in ephemeral, event-triggered functions. However, these very characteristics—distributed components, statelessness, reliance on a multitude of managed cloud services, and the event-driven execution model—introduce unique and complex challenges for traditional software testing methodologies. Ensuring the reliability, performance, security, and correctness of these highly decoupled systems necessitates a robust and tailored approach to test automation. This document provides an in-depth exploration of the critical role test automation plays in the serverless ecosystem. It meticulously examines strategies for designing and implementing automated unit, integration, and end-to-end tests specifically for FaaS applications. Key considerations such as effective mocking of event sources and dependent services, managing distributed state for testing, validating complex event-driven workflows, and choosing appropriate tools and frameworks are discussed in detail. Furthermore, the document outlines best practices for constructing resilient and efficient automated testing pipelines that integrate seamlessly with CI/CD processes, enabling agile development and the consistent delivery of high-quality serverless solutions. It underscores that comprehensive test automation is not merely beneficial but an indispensable component for realizing the full potential of serverless architectures.

Keywords: CI/CD for serverless; FaaS testing; observability in serverless testing; serverless testing (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:epw:comput:v:5:y:2025:i:4:id:10156

DOI: 10.24018/compute.2025.5.4.156

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