Tag Archives: Maintainability Testing

Maintainability Testing and It’s Significance!

Maintainability testing even though sidelined in majority of the cases, or given lesser priority as compared to other kinds of testing, holds quite a lot of significance in the entire testing process.

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For now, lets get to understanding the concept of Maintainability testing at the basic level. This will give you a general idea of the concept.

Maintainability testing is the parameter to show how easy is it, to maintain the system. This implies how easy is to analyze, alter and test the application or the product under consideration.

Maintainability testing is the capacity of the product/system to promptly experience any sorts of changes, to upgrade it, keeping in mind the end goal to meet the prerequisites. It is the level of measuring the software or system potential to experience changes, to meet the requirements. These prerequisites may incorporate

  • Resolving defects or errors.

  • Extra functionality.

  • Adjusting to the changing environment.

  • Prevention of unexpected failures,

  • Maintenance in the future and so forth.

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Maintainability testing would make use of a model of the maintainability necessities of the product/system. The maintainability testing might be determined as far as the efforts required to impact a change under each of the accompanying four classes:

  1. Corrective maintenance:

Correcting issues. The maintainability of a system can be measured as far as the time taken to analyze and fix problems recognized inside that system.

  1. Perfective maintenance:

Upgrading. The maintainability of a framework can likewise be measured as far as the efforts taken to make the required upgrades to that system. This can be tested by noting the time taken to accomplish another bit of identifiable functionality, e.g. a change to the database, and so on. Various comparative tests ought to be run and an average time computed. The result will be that it is conceivable to give an average effort required to actualize determined functionality. This can be analyzed against a target effort and an evaluation made in the matter of whether requirements are met.

  1. Adaptive maintenance:

Adjusting to the changes in the environment. The maintainability of a software can likewise be measured in terms of the efforts required to create required adaptations to that system. This can be measured in the way portrayed above for perfective maintainability testing.

  1. Preventive maintenance:

Necessary steps to reduce future maintenance costs. This is in reference to the actions taken to reduce maintenance costs that may arise in future.

Maintainability testing characteristics:

  • Ensures software’s efficiency to experience the alteration procedure, in order to meet the oftentimes changing requirements of the customers or the clients.

  • Useful for the future maintenance of the system or software.

  • A kind of non-functional testing that guarantees the competency of the system or software to acknowledge alterations in it.

  • Guarantees acquiescence of maintainability characteristics like Stability, Analyzability, Testability, Changeability, Maintainability consistence.

  • Maintainability testing and maintenance testing are two distinct sorts of testing.

Significance:

Poor old maintainability, dependably consigned toward the finish of the list of software attributes, regularly disregarded completely in master test plans, and often not in any case perceived as the root cause when we later get chomped by impacts of poor maintainability. You would opine that more consideration would be paid to this part of software quality, wouldn’t you? All things considered, there is proof that maintenance related tasks can represent up to 80 percent of the efforts spent on an application, ranging over its whole life cycle. Actually, one ought to expect that most by far of the software product’s life cycle is spent in the maintenance stage.

Hope that you got a feel of Maintainability Testing after reading this article. Join the best software testing institute in Pune and kick start a career in software testing.