1. Improve test quality
The development process is a process of continuous integration and improvement, and every modification may cause errors. Therefore, when the application environment, all, or even part of the software product is modified, the software product needs to be tested again. Its purpose is to verify whether the quality of the modified system or product meets the specifications. For example, for product-type software, every time a new version is released, most of the functions and interfaces are similar or identical to the previous version. This part of the function is particularly suitable for automated testing. Since the automatic test tool provides a simple regression test, it can verify whether there are new errors into the software product in a convenient way. This saves the workload of repeated manual input, ensures the consistency of test cases, and avoids human factors.
2. Improve test efficiency
The scale of the software system is getting bigger and bigger, with more and more function points, reaching thousands or tens of thousands. Manual testing is very time-consuming and cumbersome. This will inevitably lead to low test efficiency. And automated testing tools can perform these frequent testing tasks better. After the test tool is fully and reasonably used, the manual test work of the test engineer can be reduced. At the same time, the test tool can also introduce control and management into the entire test process, which can ensure the progress of the test.
Three, improve test coverage
Test functions through the recording and playback of automated test tools and data-driven testing can improve test coverage. Through the auxiliary analysis function of the test tool. Can improve the depth of the test.
Fourth, perform test tasks that cannot be completed by manual testing
Some non-functional tests are impossible to achieve using manual testing, such as stress testing, load testing, big data disk testing, and crash testing. These tests require several computers and the same number of operators to operate at the same time, and then use a stopwatch to record the reaction time. Such hand-workshop-style testing methods are impractical and cannot capture the internal changes of the program.
5. The ability to better reproduce software defects
Automated testing has better consistency and repeatability. Since the scripts run by automated testing are the same each time, it is difficult for humans to perform tests that are consistent each time. Due to the consistency of automated testing, it is easy to find any changes in the software under test.
Six, better allocation of resources
The ideal automated test can run completely automatically as planned, in situations where it is impossible for developers and testers to perform three shifts. Automated testing can do this task, make full use of resources, and avoid conflicts between development and testing.