Why is Testing Necessary?

We, human beings are prone to making mistakes and errors. Constant distractions, incomplete knowledge, or even wrong decisions are some of the reasons that become a cause of defects and other discrepancies. Likewise, in Software Development Life Cycle (SDLC) too, software engineers make mistakes, which often hamper results and prohibit the developers and programmers to develop a software that is of optimum quality. Therefore, to avoid such a scenario software testing is implemented regularly during the software life cycle to ensure the prominence and quality of the product. To elaborate more on the importance of testing, here is an discussion on the same.

Software Testing at a Glance:

Performed manually or with the assistance of automated tools, software testing is a process that is usually executed by a team of testers to verify application’s quality, functionality, effectiveness, efficiency, reliability, security, stability, among other things. It is an amalgamation of various simple and complex activities, methodologies, and techniques, which ensure that the software is developed as per the requirements of the client and follows the international rules and regulations.

Executed with the assistance of fundamental testing process, software testing allows testers to find defects in the system. Hence, software testing is one of the most important process during SDLC, without which we cannot guarantee optimum user experience and 100% user satisfaction.

Why is Testing Necessary?

Errors made by us humans, when executed can lead to software failures. Some errors and mistakes are minor but some are quite dangerous and require constant evaluation and monitoring. Therefore, it has become vital for software engineers to implement testing throughout the software life cycle, to ensure the efficiency of the developed software as well as to verify that no defects or bugs are left undetected, as they can hamper the intended quality, effectiveness, & performance of the software. Moreover, testing is a process that helps measure the quality of the software and gives confidence in it. Other reasons that make testing necessary during SDLC are:

  • Makes use of the customers reliability and their satisfaction in the software/application.
  • It is necessary in order to provide various facilities to the customer like, the delivery of high quality product that requires low maintenance.
  • Reduces overall level of risks.
  • Prevents failures of software applications, which can be very expensive if not prevented.
  • It is needed for correctly understanding the faults and defects in the system.
  • Testing validates effective performance and functionality of the software product.
  • Helps learn more about software application’s reliability, stability, security, and more.
  • Allows us to test major as well as minor components and features of the software.
  • Makes software safe and user friendly.
  • Software that are tested properly provide efficient resource utilization resulting in low cost.
  • Allows us to detect defects during the early stages of software development.
  • Ensures the quality, effectiveness, and efficiency of the software before its release.
  • Validates its compliance with user environment, various rules and regulations, as well as necessary regulatory standards.
  • Creates defect reports and test report, which can be used in future by developer and testers if a similar issue or defect is encountered by them.
  • It is necessary to improve business.

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