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Pairwise Testing Services. Group 4 Report 5 张坚 王冠 吕冰洁 顾永超 刘伟. Jenny An Open Source Combinatorial Testing Tool. Overview. Aim Generating regression test cases Written in C Platform independent Non-deterministic. Terminology. Dimension The type of a variable

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Pairwise testing services

PairwiseTestingServices

Group 4 Report 5

张坚 王冠 吕冰洁 顾永超 刘伟


Jenny an open source combinatorial testing tool
JennyAn Open Source Combinatorial Testing Tool


Overview
Overview

  • Aim

    • Generating regression test cases

  • Written in C

    • Platform independent

  • Non-deterministic


Terminology
Terminology

  • Dimension

    • The type of a variable

    • The type of comparison (>, <, ==)

  • Feature

    • Possible values in a dimension

      For instance:

    • typedef enum {FALSE, TRUE} BOOL;


Reason behind
Reason behind

  • Exhaustive testing is overkill

    • 12 dimensions of 2 features each: 2^12 = 4096

  • Three-feature combination is enough


Usage
Usage

Command line arguments:

2..52: features in one dimension

  • n: n-tuple of features

  • w: without given combination of features

  • s: seed the random number generator

  • o: read old test files

  • h: help





Data structure
Data Structure

  • struct feature

  • struct tu_arr, tu_iter /* tuple array & iterator */

  • struct test /* test case, a combination of features */

  • struct without, wchain /* restrictions */

  • struct state




Integration
Integration

  • Adapter



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