Want to learn about the Importance of Testing in Software Development Life Cycle (SDLC), here you go. In this blog, you can learn about the Importance, benefits, and role of testing in SDLC and more.
Why Testing is Important in Software Development Life Cycle (SDLC)?
“Just because you’ve counted all the trees doesn’t mean you’ve seen the forest”
Let’s face it. There is no software that can be declared bug free, to begin with. The software developers should aim for code that can minimize the volume and severity of the bugs present. But most of the bugs don’t show themselves up and are latent in nature waiting to creep up at the opportune time. We all know what happened in the early days of software development. The 4-digit year was replaced with a 2-digit contraction in a bid to save 2 bits of space.
Let’s face it. There is no software that can be declared bug free, to begin with. So, the software developers can aim for code that can minimize the volume and severity of the bugs present. But most of the bugs don’t show themselves up and are latent in nature waiting to creep up at the opportune time.
Early days of software development
We all know what happened in the early days of software development. The 4-digit year was replaced with a 2-digit contraction in a bid to save 2 bits of space. And it led to the birth of the millennium bug or Y2K problem. Everyone was unaware of this problem until it is too late. Approximately $300 billion was spent on debugging and fixing the systems to prevent a computer-induced apocalypse on the first day of the new millennium! So, to find out the bugs, one must continuously test the software looking for as many bugs as possible and fixing them before implementing the software.
The example of the Y2K problem showcases what happens if a major bug is found after the deployment of the software. It not only affects the client’s business but also incurs a huge loss. The loss is directly proportional to the delay in detecting the bugs. So, TESTING plays a critical role in a Software Development Life Cycle (SDLC). The first and most important benefit of TESTING is reduced expenses, especially in the long run. Employing a team of experts to test the software from the initial development stages itself would definitely prove beneficial cost-wise.
Benefits of software testing
Importance of Testing in Software Development Life Cycle (SDLC). You might have noticed sometimes when you download an app and try to run it, it doesn’t run as desired and leave you frustrated. You obviously delete and look out for a similar app in the app store. Testing is more relevant than before. In today’s world where the end users are rather impatient when a glitch in the system or a bug went unnoticed and pops up on the app. The company is bound to lose the customer as he doesn’t cling to the bugged app as he has varied choices available in the market. Proper TESTING can increase your customer base thereby making your organization go on a profit path!
In a Software Development Life Cycle (SDLC), there are 7 stages:
Testing comes as the fifth stage and is a very crucial one so it has its own life cycle called Software Testing Life Cycle (SDLC). STLC is a sequence of tasks that are aimed to verify and validate the functionality of the software developed before its deployment and to recommend any improvements. STLC checks whether the specific requirements asked by the user are met and identifies any defects in the software. But more than the act of testing itself, the act of designing these tests is considered one of the best bug preventers. A useful test design can not only discover the potential bugs but it can also eliminate the bugs before they are coded. Introducing TESTING at an early stage saves not only money but also time!
Importance of Testing in SDLC
The next Importance of Testing in Software Development Life Cycle (SDLC) is to ensure the security of the system. Not all bugs and glitches are related to the end users. Some glitches in the system are a boon for hackers who always look for the same to enter. Once the hacker can enter a system, he can wreak havoc and can play with it as desired. Especially, if a banking or a defense system is attacked, the loss would be unimaginable and can potentially bring down an economy or could trigger a war.
So, while you are counting the trees and fixing them, you may fail to see the problem that the forest, as a whole may pose. While you are trying to fix the small errors in a software program, the whole program may cause big errors which you may fail to envisage. That’s exactly why you should incorporate the importance of testing in SDLC at each stage.
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