FitSpec: refining property sets for functional testing

Rudy Matela, C. Runciman
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引用次数: 10

Abstract

This paper presents FitSpec, a tool providing automated assistance in the task of refining sets of test properties for Haskell functions. FitSpec tests mutant variations of functions under test against a given property set, recording any surviving mutants that pass all tests. The number of surviving mutants and any smallest survivor are presented to the user. A surviving mutant indicates incompleteness of the property set, prompting the user to amend a property or to add a new one, making the property set stronger. Based on the same test results, FitSpec also provides conjectures in the form of equivalences and implications between property subsets. These conjectures help the user to identify minimal core subsets of properties and so to reduce the cost of future property-based testing.
FitSpec:细化功能测试的属性集
本文介绍了FitSpec,这是一个为Haskell函数细化测试属性集的任务提供自动化帮助的工具。FitSpec针对给定的属性集测试被测函数的突变变体,记录通过所有测试的任何存活的突变。存活的突变体数量和任何最小的存活者都会呈现给用户。幸存的突变表示属性集不完整,提示用户修改属性或添加新属性,从而使属性集更强大。基于相同的测试结果,FitSpec还以属性子集之间的等价性和含义的形式提供了推测。这些推测可以帮助用户识别属性的最小核心子集,从而减少未来基于属性的测试成本。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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