公开(公告)号：GB2524798A

公开(公告)日：2015-10-07

申请号：GB201405999

申请日：2014-04-03

Applicant: IBM

Inventor： PETRAKI EIRINI ,  KUHL FABIAN ,  MUELLER CHRISTIAN ,  ZELLNER MARKUS

IPC: G06F11/36

Abstract: A method for testing a software product (10) comprising a plurality of software packages (P1, ..., P(Z)), which are to be installed or de-installed in defined order, comprises the steps: providing software package dependency and prerequi­site information (142) for the software product (10); analyzing the software package dependency and prerequisite information for each software package and creating a dependency matrix (112) for said software packages with each row representing one dependency lev­el; assigning each software package to at least one level based on its dependencies to other soft­ware packages; wherein in the dependency matrix (112) each level contains software packages, which have no dependencies amongst themselves and de­pend on at least one other software package assigned to a previ­ous level; and a lowest level contains software packages without any dependencies; reducing the depend­ency matrix (112) by searching for software packages assigned to more than one level, determin­ing the highest level the software package is as­signed to, and deleting the software package from lower levels it is assigned to; determining possible software package test combinations of the software product based on the reduced dependency matrix (112); and perform­ing installation or de-installation procedure of software pack­ages of the software product (10) based on the software package test combinations to test installation or deinstallation order of the software packages of the software product (10).