Software automation testing is the process of utilizing specialized software tools to automate the execution of pre-written test cases, evaluate the results, and compare the expected outcomes with actual outcomes. The primary objective of automation testing is to reduce the amount of manual effort required to test software applications and improve the accuracy and efficiency of testing.

Automation testing can be performed at various levels of the software development cycle, including unit testing, integration testing, system testing, and acceptance testing. It involves creating scripts that can simulate user interactions with the software and test various functionalities, such as user interfaces, data input/output, and business logic.

Automated tests can be run repeatedly without any human intervention, which helps to identify defects and errors in the software before it is released to end-users. Automation testing also allows developers to quickly identify and fix bugs, resulting in faster software development cycles and better quality software products.

Some of the benefits of software automation testing include reduced testing time and costs, increased test coverage, improved accuracy, and the ability to test complex scenarios. However, automation testing does require initial investment in creating test cases and maintaining the scripts, and it may not be suitable for all types of testing.