Manual testing is
the process through which software developers run tests manually, comparing
program expectations and actual outcomes in order to find software defects.
These manual tests are no more than the tester using the
program as an end user would, and then determining whether or not the program
acts appropriately. Manual testing is a good fit for smaller projects as well
as companies without significant financial resources.
Pros of Manual
Testing
1. Short-term cost is
lower
Buying software automation tools is expensive. With manual
testing, you won’t have to put the same up-front costs into the software.
2. More likely to
find real user issues
Automated tests are just that – automatic. They’re robotic
and don’t necessarily act as a real user would. Manual testing, on the other
hand, allows the developing program to be used as it would be upon launch. Any
bugs that may pop up when a user handles the program in a certain way are more
likely to be caught with manual testing.
3. Manual testing is
flexible
When one of those brilliant thoughts comes to you, something
that could change the course of the project, you want to be able to work on it
immediately. With automated testing this is difficult. You have to set up test
cases, program it into the automated tool, and then run the tests. With manual
testing, you can just quickly test and see the results. Automatic tests take
more time to set up, which doesn’t allow you to test ideas quickly and easily.
Cons of Manual
Testing:
1. Certain tasks are
difficult to do manually
There are certain actions that are difficult to do manually.
For example? Low level interface regression testing. This kind of testing is
extremely difficult to perform manually, and, as a result, is prone to mistakes
and oversight when done by hand. Automated testing, once set up, is much better
equipped to find errors for this kind of testing.
2. Not stimulating
Manual testing can be repetitive and boring – no one wants
to keep filling out the same forms time after time. As a result, many testers
have a hard time staying engaged in this process, and errors are more likely to
occur.
3. Can’t reuse manual
tests
With automated tests, if you add anything to the program,
you can rerun all of the required tests instantly – the tests are already set
up. This isn’t the case with manual testing. If there is any change to the
software, you have to run the tests again by hand. This is valuable time lost.
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