What is page object model (POM)?

The Page Object Model (POM) is a design pattern in software testing that creates an object repository for storing all web elements of a web application. It helps to reduce code duplication and improve test case maintenance.

In the POM, each web page of an application is represented by a corresponding class file. This class file contains all the web elements of that page, along with methods to interact with them. For example, a class file for the login page might contain methods to enter a username, and password, and click the login button.

The POM pattern has several advantages, including:

• It reduces code duplication by storing all web elements in a central location.
• It improves test case maintenance by making it easier to update tests when the web application changes.
• It makes tests more readable and maintainable by separating the code that interacts with the web elements from the code that defines the test steps.

The POM pattern is a popular choice for software testing, and it is supported by many test automation frameworks, such as Selenium WebDriver.

Here are some of the benefits of using the Page Object Model:

• Reduces code duplication: By storing all web elements in a central location, the POM pattern helps to reduce code duplication. This makes the test code more readable and maintainable.
• Improves test case maintenance: When the web application changes, the POM pattern makes it easier to update the test cases. This is because the web elements are stored in a central location, so only the affected code needs to be updated.
• Makes tests more readable and maintainable: The POM pattern separates the code that interacts with the web elements from the code that defines the test steps. This makes the test code more readable and maintainable.
• Improves testability: The POM pattern makes it easier to write tests that are independent of each other. This makes it easier to run the tests in parallel and to identify the source of any test failures.

If you are automating tests for a web application, the Page Object Model is a good design pattern to consider. It can help you to reduce code duplication, improve test case maintenance, and make your tests more readable and maintainable.