Manual Versus Automation Testing - Pros & Cons
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Manual Versus Automation Testing - Pros & Cons

Hisham Itani
Head of Marketing
Aleksander Jess
Senior Content Marketer & Technical Expert

There are many factors to consider when choosing between manual and automation testing in your quality assurance practices. In this article, we will explore the pros and cons of each method to help you decide which is right for your project.

The Pros of Manual Testing

Manual testing is often the quickest and most efficient way to test simple changes or small features. It can also be used to verify that the UI looks and feels correct, and that the user experience is as expected.

Another advantage of manual testing is that it can be done without any specialized tools or equipment. All you need is a computer and a browser. This makes it very accessible for anyone on the team to get involved in testing.

Finally, manual testing is less likely to break things. Because the tester has complete control over what actions are taken, there is less risk of accidentally deleting important data or breaking the system in some other way.

Manual testing also has some disadvantages. For example, it can be time-consuming and tedious, especially for larger projects. And because it is done manually, there is always the potential for human error. But overall, manual testing is a valuable tool that can help ensure the quality of your software.

The Cons of Manual Testing

Manual testing can be very time-consuming, especially if the application is large and complex. It is also prone to human error, which can lead to missed bugs or incorrect test results.

Another drawback of manual testing is that it can be difficult to reproduce certain test conditions. For example, if a bug only appears under certain circumstances, it may be hard to replicate those conditions in order to test the fix.

Manual testing can also be tedious and repetitive, which can lead to boredom and errors. Finally, manual testing is not well suited for testing complex algorithms or logic.

The Pros of Automation Testing

Automation testing can save a lot of time in the long run. Once the initial set-up is complete, automated tests can be run quickly and easily. They can also be run frequently, which is ideal for regression testing.

Automated tests are also less likely to be affected by human error. Because they are written in code, they will always execute the same set of instructions in the same way. This makes them more reliable than manual tests.

Finally, automated tests can be easily scaled to cover more features and more combinations of inputs. This is especially useful for large and complex applications.

Overall, automation testing can provide a more efficient and reliable testing process, especially for large and complex applications.

The Cons of Automation Testing

The biggest disadvantage of automation testing is the initial set-up cost. Automated tests need to be written by someone with coding knowledge, which can be a significant investment of time and resources.

Another drawback of automation testing is that it can be difficult to troubleshoot failed tests. If a test fails, it can be hard to figure out why. This is because the code for the test is often very complex and difficult to understand.

Finally, automated tests can sometimes give false positives. This means that a test might report a bug when there is actually none. In the long run, this might turn out to be very frustrating for developers, and can lead to wasted time trying to fix nonexistent bugs.

Overall, automation testing can be a great tool, but it has its drawbacks that should be considered before investing time and resources into it.

The Bottom Line: Which is Better?

There is no easy answer to this question. The best approach is to carefully consider the needs of your project and your team before making a decision.

If you have a small project with a simple UI, manual testing might be the best option. If you have a large and complex project, or you need to run tests frequently, automation testing might be a better choice.

Another factor to consider is the skills of your team. If your team is experienced with manual testing, it might be easier to stick with that approach. If your team is experienced with automation testing, that might be the better option.

Ultimately, the best approach is the one that works best for your project and your team. There is no single right or wrong answer to this question. If you need any suppport with deciding how to structure your quality assurance and make sure it's an integral part of your SDLC, make sure to get in touch!

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