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Landmines of Software Testing Metrics

Landmines of Software Testing Metrics

Abstract

It is not only desirable but also necessary to assess the quality of testing being delivered by a vendor. Specific to software testing, there are some discerning metrics that one an look at, however it must be kept in mind that there are multiple factors that affect these metrics which are not necessarily under the control of testing team. The SLAs for testing initiatives can, and should, only be committed after a detailed understanding of the customer’s IT organization in terms of culture and process maturity and after analyzing the various trends among these metrics. This white paper lists some of the popular testing metrics and the factors one must keep in mind while reading in to their values.

Excerpts from the Paper

The  estimates  and  planning  for  testing  is  based  on  certain assumptions  and  available historical  data.  However  if there  are higher number of disruptions (than anticipated) to testing in terms of environment unavailability or higher number of defects being found and fixed, the quality time available for testing the system would be less and hence higher number of defects slip through the testing stage. We must ensure that the data on defects on all subsequent stages are also  available  and  are  accurate.  Production  defects  are  usually handled by a separate Production support team and testing team is at times not given much insight in to this data. Also, since multiple projects and/or Programs would be going live, one after another, there  are  usually  challenges  in  identifying  which  defects  in Production  can  be  attributed  to  which  Project  or  Program. Inaccuracies in assignment would lead to inaccurate measure of test stage effectiveness.

 

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