Compatibility testing in Testing Fundamentals - Framework Patterns

Framework Mode - Compatibility testing

Folder Structure for Compatibility Testing Framework

compatibility-testing-project/
├── tests/
│   ├── browsers/
│   │   ├── chrome_tests.js
│   │   ├── firefox_tests.js
│   │   └── safari_tests.js
│   ├── devices/
│   │   ├── mobile_tests.js
│   │   └── tablet_tests.js
│   └── os/
│       ├── windows_tests.js
│       └── macos_tests.js
├── config/
│   ├── environments.json
│   ├── browsers.json
│   └── devices.json
├── utils/
│   ├── driverSetup.js
│   ├── testHelpers.js
│   └── logger.js
├── reports/
│   └── compatibility-report.html
├── cypress.config.js
└── package.json
  

Test Framework Layers for Compatibility Testing

• Driver Layer: Manages browser and device drivers to run tests on different platforms.
• Test Scripts: Organized by browser, device, and operating system to cover compatibility scenarios.
• Utilities: Helper functions for setup, logging, and common actions to reduce code duplication.
• Configuration: Stores environment details, browser versions, device types, and OS info for flexible test runs.
• Reporting: Collects and formats test results to show compatibility status across platforms.

Configuration Patterns

Use JSON files to define environments, browsers, and devices. Example:

{
  "browsers": ["chrome", "firefox", "safari"],
  "devices": ["desktop", "mobile", "tablet"],
  "environments": {
    "dev": "https://dev.example.com",
    "staging": "https://staging.example.com",
    "prod": "https://www.example.com"
  }
}

Tests read these configs to run on selected platforms. Credentials and sensitive data should be stored securely using environment variables or secret managers.

Test Reporting and CI/CD Integration

• Generate HTML or JSON reports showing pass/fail status per browser, device, and OS.
• Integrate with CI/CD pipelines (e.g., GitHub Actions, Jenkins) to run compatibility tests on code changes.
• Use notifications (email, Slack) to alert teams about compatibility issues quickly.
• Keep historical reports to track compatibility trends over time.

Best Practices for Compatibility Testing Framework

1. Modular Tests: Separate tests by browser, device, and OS for clear organization and easy maintenance.
2. Use Realistic Environments: Test on actual browsers and devices or reliable emulators to get accurate results.
3. Automate Setup: Automate driver and environment setup to reduce manual errors and speed up testing.
4. Data-Driven Testing: Use configuration files to run the same tests across multiple platforms without code changes.
5. Clear Reporting: Provide detailed reports that highlight which platforms passed or failed to help prioritize fixes.

Self-Check Question

Where in this folder structure would you add a new test script to verify compatibility on the latest version of Firefox?

Key Result

Organize compatibility tests by platform layers with modular scripts, config-driven runs, and clear reporting.