Test Closure

The popular belief amongst the masses is that testing during software development is just one activity which validates the strength of the software. What they conveniently overlook is the fact that testing does not involve just one particular type, in fact, it consists of many testing techniques that need to be followed carefully and painstakingly. This is a very time-consuming and costly activity that can make or mar the product. The end result of comprehensive testing is the Test Closure. The purpose of this article is to tell you about Test Closure and its importance along with other relevant information.

Test Closure

Test Closure is a document that gives a summary of all the tests conducted during the software development life-cycle, it also gives a detailed analysis of the bugs removed and errors found. In other words, Test Closure is a memo that is prepared prior to formally completing the testing process. This memo contains a report of test cases executed, type and number of defects found, the density of defects, etc.

Why Is Test Closure Required?

Test Closure is a very important part of software development. This is because it performs the following functions:

  • Formally Announce Closure – once all testing is complete there has to be a formal announcement of its closure. Word of mouth is not sufficient, there has to be a written note to this effect; here the Test Closure document gains significance.
  • Collate All Results – the results of all the tests performed needs to be prepared, this way every error found during testing is documented and can be referred when required. Again, this requirement is fulfilled by the document prepared during Test Closure.
  • Provide Detail Analysis – analysis of errors pinpoints their source of origin so that corrective action can be taken. Similarly, it also provides scrutiny of all the actions taken to get rid of unnecessary bugs. The summary of this analysis is also a documented part of the Test Closure report.
  • Present Test Metrics To Client – A client will not always understand the errors that occur and the resultant action that is taken to rectify. But what they do understand are the metrics that state the number of errors and how they were removed with corrective action. Such metrics, for client reference, also find a place in the Test Closure document.
  • Adjudge Risk – finally, the most significant part of Test Closure is risk assessment in respect to the software as a whole. This provides a heads up to the client regarding the success rate of the application, i.e., they will know the strengths and weaknesses of the program.


Usually, Test Closure is done after getting a sign off from the client as well as the project team. It documents all that was promised to be delivered and all that is actually delivered. It is a documented proof, that can be referred to at any time by either party, of all errors and their corrective actions, test cases, and their analysis, software metrics etc. Test Closure marks an end to all testing that can be done on the software and hence, it is the final step before the actual release of the final product.