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[Chemical Knowledge]：What is POM? Beginners must see!

Read： 502 Time：15months ago Source：Transform the World with Simplicity

In the field of software testing, POM is a commonly used design pattern. Its full name is Page Object Model, which means "Page Object Model" in Chinese ". Simply put, POM is to encapsulate page elements into objects and manipulate the page through object methods to improve the readability and maintainability of test cases.

, how does POM implement it? Usually, POM encapsulates each page into a class, which contains various elements in the page and various operation methods for these elements, such as entering text, clicking buttons, selecting drop-down boxes, etc. In the test case, you only need to instantiate these classes and then call the methods in the class, which is very convenient and readable.

In addition, POM has another feature that changes to page elements do not affect the execution of test cases. Even if the position, name, or even the entire page structure of an element on the page changes, only the class corresponding to the page needs to be modified, and the code of the test case does not need to be modified.

What are the practical applications of POM in software testing? In fact, POM can be applied to multiple test scenarios, including web automation testing, mobile automation testing, interface testing, and so on. Regardless of the scenario, POM can improve the readability and maintainability of test cases and improve test efficiency.

For example, in web automation testing, we can encapsulate each page through POM and use the methods provided by POM to manipulate page elements to write highly readable and maintainable test cases. In mobile automated testing, POM can also be used to encapsulate the page, just change the methods and element positioning in the POM class. In addition, in interface testing, we can also encapsulate requests and responses into objects to improve readability.

In a word, POM is a very classic design pattern, which has a wide range of applications and important role in software testing. Through the encapsulation of POM, we can convert page elements into objects and manipulate the page through object methods to improve readability and maintainability. Beginners need to fully understand the concept and implementation of POM in order to better apply it to the actual test scenario and improve test efficiency.

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