4.5 Article

A covariate software tool to guide test activity allocation

Journal

SOFTWAREX
Volume 17, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.softx.2021.100909

Keywords

Software reliability; Software reliability growth model; Covariates; Test activity allocation

Funding

  1. National Science Foundation, United States [1749635]
  2. Direct For Computer & Info Scie & Enginr
  3. Division Of Computer and Network Systems [1749635] Funding Source: National Science Foundation

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C-SFRAT is a tool that automatically applies software reliability engineering methods to accurately characterize test activities during the defect discovery process, guiding the allocation of limited resources to maximize defect discovery and improve reliability.
This paper presents the Covariate Software Failure and Reliability Assessment Tool (C-SFRAT) to automatically apply methods from software reliability engineering to accurately characterize the defect discovery process in terms of the test activities performed. The tool enables calculations and visualizations, including plots of the defect discovery data, covariate models fit to this data, and inferences made possible by these models as well as assessment of model goodness-of-fit. A generalized optimization procedure, referred to as the test activity allocation problem, has been implemented to guide the distribution of limited resources among specific test activities in order to maximize defect discovery for corrective action and improved reliability. The application and source code are freely available from the GitHub repository dedicated to this project. The open source nature of this tool will enable collaboration among researchers and practitioners from industry and government within a single shared platform. (C) 2021 The Authors. Published by Elsevier B.V.

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