Page Object Model concept in Testing Fundamentals - Framework Patterns

Framework Mode - Page Object Model concept

Folder Structure

project-root/
├── tests/
│   ├── login_tests.py
│   ├── cart_tests.py
│   └── checkout_tests.py
├── pages/
│   ├── base_page.py
│   ├── login_page.py
│   ├── home_page.py
│   └── cart_page.py
├── utils/
│   ├── driver_factory.py
│   └── helpers.py
├── config/
│   ├── config.yaml
│   └── credentials.yaml
└── conftest.py

Test Framework Layers

• Driver Layer: Manages browser setup and teardown (e.g., driver_factory.py).
• Page Objects: Classes representing pages or components with methods to interact with UI elements (e.g., login_page.py).
• Tests: Test scripts that use page objects to perform actions and assertions (e.g., login_tests.py).
• Utilities: Helper functions and reusable code (e.g., waits, data generators in helpers.py).
• Configuration: Files storing environment settings and credentials (e.g., config.yaml).

Configuration Patterns

• Use config.yaml to store environment URLs, browser types, and timeouts.
• Keep sensitive data like usernames and passwords in credentials.yaml, excluded from version control.
• Load configurations in conftest.py or setup scripts to initialize tests dynamically.
• Allow switching environments (dev, staging, prod) by changing a single config value.
• Use environment variables or command-line options to override defaults for flexibility.

Test Reporting and CI/CD Integration

• Generate readable test reports using tools like pytest-html or built-in test runner reports.
• Include screenshots on failure for easier debugging.
• Integrate tests into CI/CD pipelines (e.g., GitHub Actions, Jenkins) to run tests automatically on code changes.
• Fail builds if critical tests fail to ensure quality gates.
• Store reports as artifacts for team review.

Best Practices for Page Object Model

• Single Responsibility: Each page object class should represent one page or component only.
• Encapsulation: Hide locator details inside page objects; tests should call methods, not access locators directly.
• Reusable Methods: Create clear, reusable methods for common actions (e.g., login(), click_button()).
• Maintainability: Keep locators and UI interaction code separate from test logic for easy updates.
• Explicit Waits: Use waits inside page objects to handle dynamic page elements reliably.

Self Check

Where in this folder structure would you add a new page object class for the "Profile" page?

Key Result

Page Object Model organizes UI interactions into separate classes to keep tests clean and maintainable.