Page Object Model (POM) & Page Factory: Selenium WebDriver Tutorial (hard)
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Questions and Answers

Which design pattern is popularly used in test automation to create Object Repository for web UI elements?

  • Observer Pattern
  • Factory Pattern
  • Singleton Pattern
  • Page Object Model (correct)

    • What is the advantage of using Page Object Model in test automation?

  • Increases code duplication
  • Improves test maintenance
  • Reduces code duplication (correct)
  • Decreases test maintenance

    • What should be the name of the methods in the Page Class of Page Object Model?

  • Random names
  • No specific naming convention
  • Short names
  • Descriptive names (correct)

    • What is the purpose of the waitForPaymentScreenDisplay() method in Page Object Model?

    <p>To wait for the payment gateway to appear</p> Signup and view all the answers

    What is the main task in UI Automation using Selenium WebDriver?

    <p>Finding elements and filling values</p> Signup and view all the answers

    Which pattern is often used in conjunction with Page Object Model in Selenium?

    <p>Page Factory Pattern</p> Signup and view all the answers

    What is the script maintenance like when using Page Object Model?

    <p>Easy</p> Signup and view all the answers

    Which annotation is used in Page Factory in Selenium to find a WebElement?

    <p>@FindBy</p> Signup and view all the answers

    What is the purpose of the initElements method in Page Factory in Selenium?

    <p>To initialize Page class elements</p> Signup and view all the answers

    Which attribute can @FindBy accept in Page Factory in Selenium?

    <p>xpath</p> Signup and view all the answers

    What is the purpose of Page Factory in Selenium?

    <p>To optimize the Page Object Model framework</p> Signup and view all the answers

    What is the purpose of the @FindBy(className="barone") annotation in the Guru99Login class?

    <p>To find the title text</p> Signup and view all the answers

    What is the purpose of the getHomePageDashboardUserName() method in the Guru99HomePage class?

    <p>To get the username from the home page</p> Signup and view all the answers

    What is the purpose of the test_Home_Page_Appear_Correct() method in the Test99GuruLoginWithPageFactory class?

    <p>To test the login page title</p> Signup and view all the answers

    What is the chief problem with script maintenance?

    <p>Changing multiple scripts</p> Signup and view all the answers

    What is the advantage of using the Page Object Model (POM) in Selenium?

    <p>Makes the code more readable and maintainable</p> Signup and view all the answers

    What is the purpose of the Guru99Login class in Selenium?

    <p>To fill web elements</p> Signup and view all the answers

    What is the purpose of the Guru99HomePage class in Selenium?

    <p>To verify web elements</p> Signup and view all the answers

    What is the purpose of the setUserName method in the Guru99Login class?

    <p>To fill the user name element</p> Signup and view all the answers

    What is the purpose of the getHomePageDashboardUserName method in the Guru99HomePage class?

    <p>To verify the home page element</p> Signup and view all the answers

    What is the purpose of the loginToGuru99 method in the Guru99Login class?

    <p>To fill web elements</p> Signup and view all the answers

    Which design pattern is used in Selenium WebDriver to create an Object Repository?

    <p>Page Object Model</p> Signup and view all the answers

    What is the purpose of using Page Factory in Selenium?

    <p>To create an optimized way of creating object repositories</p> Signup and view all the answers

    What is the purpose of the AjaxElementLocatorFactory in Selenium?

    <p>To create a lazy loading concept</p> Signup and view all the answers

    Which exception is thrown when an element is not found within the given time interval in Selenium?

    <p>NoSuchElementException</p> Signup and view all the answers

    What is the advantage of using the PageFactory pattern in Selenium?

    <p>It creates an optimized way of creating object repositories</p> Signup and view all the answers

    What is the purpose of the objHomePage object in the given code snippet?

    <p>To verify the home page</p> Signup and view all the answers

    What is the purpose of the Assert.assertTrue statement in the given code snippet?

    <p>To verify the home page</p> Signup and view all the answers

    What is the purpose of the getHomePageDashboardUserName method in the given code snippet?

    <p>To verify the home page</p> Signup and view all the answers

    What is the purpose of the driver object in the given code snippet?

    <p>To go to the next page</p> Signup and view all the answers

    Study Notes

    Page Object Model (POM) in Test Automation

    • POM is a widely used design pattern for creating Object Repositories for web UI elements in test automation.
    • Advantages include improved test maintainability and code reusability, as changes in the UI require updates only in one location.

    Method Naming in POM

    • Method names in the Page Class should be descriptive, reflecting the actions they perform (e.g., loginToGuru99, getHomePageDashboardUserName).

    Purpose of Specific Methods

    • waitForPaymentScreenDisplay(): Ensures that the payment screen is displayed before interacting with it, handling synchronization issues.
    • loginToGuru99: Encapsulates login functionality, allowing easy updates if login procedures change.

    UI Automation with Selenium WebDriver

    • The primary task is to automate interactions with web applications to validate functionality and UI components.

    Complementary Design Patterns

    • The Page Factory pattern is often combined with POM in Selenium to simplify element initialization and improve code readability.

    Maintenance with POM

    • Script maintenance is easier with POM, as test scripts are less fragile and can adapt to UI changes without extensive rewrites.

    Annotations in Page Factory

    • @FindBy is used to locate WebElement instances in the Page Factory framework, facilitating the identification of UI elements.

    Purpose of initElements

    • The initElements method initializes elements defined with @FindBy annotations, reducing boilerplate code for element interactions.

    @FindBy Attributes

    • @FindBy can accept various locators such as id, name, className, xpath, and more, allowing flexible element targeting.

    Page Factory Benefits

    • Page Factory enhances Selenium capabilities by promoting a cleaner and more maintainable code structure for finding UI elements.

    Specific Class Functions

    • The Guru99Login class facilitates user login operations; crucial methods here include setUserName for setting input values during login.
    • The Guru99HomePage class is responsible for interacting with elements on the home page, such as retrieving the dashboard username with getHomePageDashboardUserName.

    Test Method Purpose

    • test_Home_Page_Appear_Correct(): Confirms that the home page is displayed correctly after login, serving as a validation point in test cases.

    Maintenance Challenges

    • A chief problem with script maintenance arises from frequent changes in UI elements which can break existing tests without a structured design approach like POM.

    Advantages of POM and PageFactory

    • POM aids in reducing code duplication and enhances the scalability of tests.
    • PageFactory specifically allows for better management of web elements and improves performance by delaying element search until they're actually needed.

    Exception Handling

    • A NoSuchElementException is thrown when an element cannot be located within a specified timeout in Selenium.

    Code Snippet Objects and Assertions

    • The objHomePage object represents an instance of the home page class used for interaction in the tests.
    • Assert.assertTrue is utilized to validate expected outcomes within tests, providing critical checkpoints during automation processes.
    • The driver object controls the browser's actions in the automation script, essential for navigating and manipulating web application components.

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