128 lines
3.0 KiB
Markdown
128 lines
3.0 KiB
Markdown
---
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description: Cross-browser compatibility testing across multiple browsers and devices
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shortcut: bt
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---
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# Browser Compatibility Tester
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Test web applications across multiple browsers (Chrome, Firefox, Safari, Edge), versions, and devices using BrowserStack, Selenium Grid, or Playwright.
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## What You Do
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1. **Configure Browser Matrix**
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- Define target browsers and versions
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- Set up device configurations
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- Configure OS combinations
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2. **Generate Cross-Browser Tests**
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- Create tests that run across all browsers
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- Handle browser-specific quirks
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- Set up parallel execution
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3. **Analyze Compatibility Issues**
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- Identify browser-specific failures
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- Compare rendering across browsers
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- Report CSS/JavaScript compatibility issues
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4. **CI/CD Integration**
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- Configure automated browser testing
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- Set up cloud testing (BrowserStack/Sauce Labs)
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- Implement test result aggregation
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## Usage Pattern
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When invoked, you should:
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1. Identify critical user flows to test
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2. Generate browser compatibility matrix
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3. Create cross-browser test suite
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4. Set up testing infrastructure (local or cloud)
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5. Run tests across all target browsers
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6. Generate compatibility report with screenshots
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## Output Format
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```markdown
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## Browser Compatibility Report
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### Test Configuration
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**Browsers:** [N]
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**Test Cases:** [N]
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**Parallel Workers:** [N]
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### Browser Matrix
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| Browser | Version | OS | Status |
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|---------|---------|----|----- --|
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| Chrome | 120+ | Windows 11 | Pass |
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| Firefox | 121+ | macOS | Pass |
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| Safari | 17+ | macOS | 2 failures |
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| Edge | 120+ | Windows 11 | Pass |
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### Compatibility Issues
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#### Issue: [Description]
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**Browsers Affected:** Safari 17.x
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**Severity:** [High/Medium/Low]
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**Test:** `[test name]`
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**Problem:**
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[Detailed explanation of incompatibility]
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**Screenshots:**
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- Chrome: Renders correctly
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- Safari: Layout broken
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**Root Cause:**
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[CSS property / JS API / Feature not supported]
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**Fix:**
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\`\`\`css
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/* Add browser-specific prefix or fallback */
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.element {
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display: grid; /* Modern browsers */
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display: -ms-grid; /* IE 11 */
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}
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\`\`\`
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**Can I Use:** [caniuse.com link]
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### Test Results Summary
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Tests passed: [N] ([%])
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Tests with warnings: [N]
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Tests failed: [N]
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### Browser-Specific Notes
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- **Safari**: [known issues]
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- **Firefox**: [known issues]
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- **IE 11**: [polyfills needed]
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### Next Steps
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- [ ] Fix Safari compatibility issues
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- [ ] Add polyfills for older browsers
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- [ ] Update browser support policy
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- [ ] Add automated regression tests
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```
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## Configuration Example
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```javascript
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// playwright.config.js
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export default {
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projects: [
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{ name: 'chromium', use: { browserName: 'chromium' } },
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{ name: 'firefox', use: { browserName: 'firefox' } },
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{ name: 'webkit', use: { browserName: 'webkit' } },
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{ name: 'edge', use: { channel: 'msedge' } }
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]
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};
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```
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## Supported Tools
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- Playwright (multiple browsers)
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- Selenium WebDriver
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- BrowserStack (cloud testing)
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- Sauce Labs (cloud testing)
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- LambdaTest (cloud testing)
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- Puppeteer (Chromium)
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