Can Automation Testing Replace Manual testing?
Zannatunnnesha Oyshe
Attended Jahangirnagar University || Trainee Junior office at NRBC bank PLC
Software quality assurance is a process which works parallel with the development of a software. It focuses on the correctness of a software before launching it to the marketplace because while a software is in the development stage it is too much cost free to test. Testing is a vast landscape which consists of Black box testing, White box testing, Automation testing, Manual testing, Regression testing, Api testing, Performance testing, Load Testing, Smoke testing, Sanity Testing, Ad-hoc testing, Security Testing.
Manual testing & Automation testing: In the world of Manual testing, the tester test the software or app manually without test scripts in order to identify if there are any functionalities error, UI/UX, website/app behavior, features and user acceptance. A manually test plan consisting of a various test cases that testers manually look out for defects. To get the best result on manual testing, a tester need an eye for detail and pro-active approach. On the other hand, Automation testing, tester use automated test scripts to test the software or app through an automated scripts. The key element of Automation testing are it can perform in large area when there are repetitive tests which is in large volume, better accuracy and faster turn around time. If a project has a couple of a dedicated testers then automation would be the best to the expected tests within the deadline.
When it comes to a question which tests are better: Manual testing or Automation testing. There is no one factor which determines the best one. It completely differs on a case by case basis. There are a lot of thinks to keep in mind that one must consider the way by which they test a product/feature. Here we discuss about some of the scenarios in the article.
Can Automation replace the Manual testing? The answer is NO. Because when we talk about Manual testing it tests the functionality, UI/UX, behaviors, aesthetics. But in Automation testing we use testing framework which is an algorithm based. No matter how smart automation testing is, Manual testing still stronger and beats Automation testing. Running manual test seems more efficient in the pipeline. If a tester has a clear idea about the scenario, they can perform manual test but if a tester need to be a repeated with various values and inputs they perform automation tests for maximum efficacy. It would not make sure to set up an automation script for a small volume and short term project because automation requires more planning and costs. The Most important part of Manual testing is a human can think of the client side features and their tests. But a scripted machine cannot think about the client side. The purpose of manual testing is to catch bugs and feature issues before a product goes in live. In Automation testing, testers utilize automation scripts and tools to automate testing efforts.
The biggest pro of manual testing over automation or continuous testing is it focused on attention. There are more ability to handle test scenarios when a testers manually creating and executing tests. In manual testing there is a lower risks for false negatives.
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How do you prioritize Manual testing VS Automation testing: Manual testing should be prioritize to explore the app or website behavior, feature such as Usability testing, Exploratory testing. Manual testing needs more costs because when perform manual testing it needs to hire experts to perform tests. Automation testing should be prioritize when there are repetitive test cases, parallel test cases on multiple device, browser versions. Automation testing saves costs and once the software is integrated it works for a long time.
Conclusion: Finally we can come to some decisions that we need both manual testing and automation testing. Manual testing is more important but adding automated tests makes manual tests more efficient. Manual testing ensures to the high user end of the software as it requires human observation and cognitive abilities. Manual testing is very hands-on. Automation testing cannot ensure a good user end experience because a machine cannot think like a human mind. In Manual testing we can easily learn the Bug Life Cycle, Software Development Life Cycle(SDLC),Test closure Life Cycle.
Manually repeated tests cases is costly and time consuming. Once created, automated tests scripts can run more and more time and it needs no additional costs. Automation testing are best suited for features and functions that require the same input every time for example an API because they can easily be repeated without human error. Manual testing is better suited for detecting bugs caused by different inputs such as user experience. Manual testing handles complex test cases while automation testing handles simpler and more repetitive cases.