Benefits of Automated Testing:
Reliable: Tests perform precisely the same operations each time they are run, thereby eliminating human error
Repeatable: You can test how the software reacts under repeated execution of the same operations.
Programmable: You can program sophisticated tests that bring out hidden information from the application.
Comprehensive: You can build a suite of tests that covers every feature in your application.
Reusable: You can reuse tests on different versions of an application, even if the user interface changes.
Better Quality Software: Because you can run more tests in less time with fewer resources
Fast: Automated Tools run tests significantly faster than human users.
Cost Reduction: As the number of resources for regression test are reduced.
Choosing the right tools for the job and targeting the right areas of the organization to deploy them can only realize these benefits. The right areas where the automation fit must be chosen.
Disadvantages of Automation Testing
Though the automation testing has many advantages, it has its own disadvantages too. Some of the disadvantages are:
Proficiency is required to write the automation test scripts.
Debugging the test script is major issue. If any error is present in the test script, sometimes it may lead to deadly consequences.
Test maintenance is costly in case of playback methods. Even though a minor change occurs in the GUI, the test script has to be rerecorded or replaced by a new test script.
Maintenance of test data files is difficult, if the test script tests more screens.
Some of the above disadvantages often cause damage to the benefit gained from the automated scripts. Though the automation testing has pros and corns, it is adapted widely all over the world.
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