leptos-shadcn-ui/docs/infrastructure/PHASE2_INFRASTRUCTURE_GUIDE.md

🏗️ Phase 2 Infrastructure Guide

Comprehensive Infrastructure Documentation for leptos-shadcn-ui

📋 Overview

This guide documents the complete Phase 2 infrastructure implementation for leptos-shadcn-ui, providing comprehensive testing, monitoring, and automation capabilities for production-ready component development.

🎯 Infrastructure Components

1. WASM Browser Testing ✅

• Status: Production Ready
• Coverage: Cross-browser WASM compatibility, performance monitoring, memory management
• Tools: Enhanced Playwright integration, automated browser testing, performance validation

2. E2E Test Integration ✅

• Status: Production Ready
• Coverage: CI/CD pipeline integration, automated test execution, comprehensive reporting
• Tools: Enhanced Playwright configuration, GitHub Actions workflows, automated reporting

3. Performance Benchmarking ✅

• Status: Production Ready
• Coverage: Automated regression testing, performance monitoring, optimization recommendations
• Tools: Performance audit system, automated monitoring, CLI benchmarking tools

4. Accessibility Automation ✅

• Status: Production Ready
• Coverage: WCAG compliance testing, automated accessibility audits, screen reader testing
• Tools: Accessibility automation system, comprehensive test suites, automated reporting

🚀 Quick Start

Prerequisites

# Install Rust with WASM target
rustup target add wasm32-unknown-unknown

# Install Node.js and pnpm
npm install -g pnpm

# Install Playwright browsers
pnpm playwright install

Basic Usage

# Run all infrastructure tests
make test

# Run WASM browser tests
make test-wasm

# Run E2E tests
make test-e2e-enhanced

# Run performance benchmarks
make benchmark

# Run accessibility audit
make accessibility-audit

📊 Infrastructure Status

Component	Status	Coverage	Automation	CI/CD Ready
WASM Testing	✅ Complete	100%	✅ Full	✅ Yes
E2E Integration	✅ Complete	100%	✅ Full	✅ Yes
Performance Benchmarking	✅ Complete	100%	✅ Full	✅ Yes
Accessibility Automation	✅ Complete	100%	✅ Full	✅ Yes

🛠️ Detailed Component Documentation

1. WASM Browser Testing

Overview

Comprehensive WASM testing across all supported browsers with performance monitoring and memory management.

Key Features

• Cross-Browser Testing: Chrome, Firefox, Safari, Mobile Chrome, Mobile Safari
• Performance Monitoring: Initialization time, memory usage, interaction latency
• Memory Management: Leak detection and memory pressure testing
• Error Handling: Graceful error recovery and failure scenarios
• Bundle Analysis: WASM bundle size and loading optimization

Usage

# Run all WASM tests
make test-wasm

# Run on specific browsers
make test-wasm-browsers BROWSERS=chromium,firefox

# Run in headed mode
make test-wasm-headed

# Run in parallel
make test-wasm-parallel

# Run with verbose output
make test-wasm-verbose

Configuration

• Performance Thresholds: Configurable initialization time, memory usage, interaction latency
• Browser-Specific Settings: Custom timeouts and retry counts per browser
• Test Scenarios: Configurable test scenarios and execution modes

Files

• tests/e2e/wasm-browser-testing.spec.ts - Main WASM test suite
• tests/e2e/wasm-performance-monitor.ts - Performance monitoring utility
• tests/e2e/wasm-test-config.ts - Configuration management
• scripts/run-wasm-tests.sh - Automated test runner

2. E2E Test Integration

Overview

Enhanced E2E testing with CI/CD integration, automated reporting, and comprehensive test execution.

Key Features

• CI/CD Integration: Complete GitHub Actions workflow with artifact management
• Multi-Browser Testing: Chrome, Firefox, Safari, Mobile Chrome, Mobile Safari
• Performance Monitoring: Automated performance regression testing
• Comprehensive Reporting: HTML, JSON, JUnit, and Markdown reports
• Environment Detection: Automatic CI vs local configuration

Usage

# Run enhanced E2E tests
make test-e2e-enhanced

# Run in CI mode
make test-e2e-ci

# Run in debug mode
make test-e2e-debug

# Run specific test categories
make test-e2e-performance
make test-e2e-accessibility
make test-e2e-wasm

# Generate comprehensive report
make test-e2e-report

Configuration

• Environment-Based: Automatic CI vs local configuration
• Browser-Specific: Custom performance thresholds per browser
• Test-Specific: Dedicated projects for different test categories
• Reporting: Multiple output formats and artifact management

Files

• playwright.config.ts - Enhanced Playwright configuration
• tests/e2e/e2e-test-runner.ts - E2E test execution management
• tests/e2e/global-setup.ts - Enhanced global setup
• tests/e2e/global-teardown.ts - Enhanced global teardown
• .github/workflows/e2e-tests.yml - CI/CD pipeline

3. Performance Benchmarking

Overview

Comprehensive performance benchmarking with automated regression testing and optimization recommendations.

Key Features

• Automated Regression Testing: Baseline comparison with severity-based alerts
• Real-time Monitoring: Continuous performance monitoring with configurable intervals
• Multi-channel Alerting: Console, file, webhook, and email notifications
• Performance Trend Analysis: Predictive analysis and trend detection
• Comprehensive Reporting: HTML, JSON, and Markdown report generation

Usage

# Run performance benchmarks
make benchmark

# Run for specific components
make benchmark-components COMPONENTS=button,input

# Generate HTML report
make benchmark-html

# Run regression tests
make regression-test

# Update baseline
make regression-update

# Start automated monitoring
make performance-monitor

# Setup performance baseline
make setup-baseline

Configuration

• Performance Thresholds: Configurable performance degradation thresholds
• Monitoring Intervals: Customizable monitoring frequency
• Alert Channels: Multiple notification channels
• Baseline Management: Automated baseline setup and updates

Files

• performance-audit/src/regression_testing.rs - Regression testing system
• performance-audit/src/automated_monitoring.rs - Automated monitoring
• performance-audit/src/bin/performance-benchmark.rs - CLI benchmarking tool
• scripts/run-performance-benchmarks.sh - Performance testing script

4. Accessibility Automation

Overview

Comprehensive accessibility testing with WCAG compliance validation and automated accessibility audits.

Key Features

• WCAG Compliance Testing: Full support for A, AA, and AAA compliance levels
• Comprehensive Test Coverage: ARIA compliance, keyboard navigation, screen reader support
• Automated Violation Detection: Detailed violation reporting with impact levels
• Custom Accessibility Rules: Extensible rule system for specific requirements
• Multi-format Reporting: HTML, JSON, and Markdown report generation

Usage

# Run comprehensive accessibility audit
make accessibility-audit

# Run with specific WCAG level
make accessibility-audit-wcag LEVEL=AAA

# Run for specific components
make accessibility-audit-components COMPONENTS=button,input

# Generate HTML report
make accessibility-audit-html

# Run with verbose output
make accessibility-audit-verbose

# Focus on specific areas
make accessibility-audit-focus

Configuration

• WCAG Levels: Configurable compliance levels (A, AA, AAA)
• Test Categories: Selective test execution (screen reader, keyboard, contrast, focus)
• Custom Rules: Extensible rule system for specific requirements
• Thresholds: Configurable violation thresholds and severity levels

Files

• tests/e2e/accessibility-automation.ts - Accessibility automation system
• tests/e2e/accessibility-enhanced.spec.ts - Enhanced accessibility test suite
• scripts/run-accessibility-audit.sh - Accessibility audit script

🔧 Configuration Management

Environment Variables

# Performance thresholds
export WASM_MAX_INIT_TIME=5000
export WASM_MAX_FIRST_PAINT=3000
export WASM_MAX_FCP=4000
export WASM_MAX_INTERACTION_LATENCY=100

# Browser selection
export WASM_ENABLED_BROWSERS="chromium,firefox,webkit"

# WCAG compliance level
export WCAG_LEVEL="AA"

# CI/CD settings
export CI=true
export SLACK_WEBHOOK_URL="https://hooks.slack.com/..."
export EMAIL_RECIPIENTS="team@example.com"

Configuration Files

• playwright.config.ts - Playwright configuration
• tests/e2e/wasm-test-config.ts - WASM testing configuration
• performance-audit/src/regression_testing.rs - Performance regression configuration
• tests/e2e/accessibility-automation.ts - Accessibility configuration

📈 CI/CD Integration

GitHub Actions Workflow

The infrastructure includes a comprehensive GitHub Actions workflow (.github/workflows/e2e-tests.yml) that provides:

• Multi-Browser Testing: Chrome, Firefox, Safari, Mobile Chrome, Mobile Safari
• WASM Testing: Cross-browser WASM compatibility validation
• Performance Testing: Automated performance regression detection
• Accessibility Testing: WCAG compliance validation
• Artifact Management: Test results, screenshots, videos, traces
• Failure Notifications: Slack and email notifications
• Test Summaries: Automated PR comments and reports

Workflow Features

# Example workflow usage
- name: Run E2E Tests
  run: make test-e2e-ci
  env:
    CI: true
    WASM_MAX_INIT_TIME: 8000
    WCAG_LEVEL: AA

📊 Monitoring and Reporting

Test Results Structure

test-results/
├── e2e/                          # E2E test results
│   ├── html-report/              # Interactive HTML reports
│   ├── results.json              # JSON test results
│   ├── results.xml               # JUnit test results
│   └── screenshots/              # Failure screenshots
├── wasm-tests/                   # WASM test results
│   ├── chromium/                 # Browser-specific results
│   ├── firefox/
│   └── webkit/
├── performance/                  # Performance test results
│   ├── benchmark-results.json    # Benchmark data
│   ├── regression-results.json   # Regression analysis
│   └── performance-report.html   # Performance report
└── accessibility/                # Accessibility test results
    ├── accessibility-report.html # Accessibility report
    └── violation-details.json    # Detailed violations

Report Types

1. HTML Reports: Interactive test results with screenshots and videos
2. JSON Reports: Machine-readable data for CI/CD integration
3. JUnit Reports: CI/CD system integration
4. Markdown Reports: Human-readable summaries with recommendations

🐛 Troubleshooting

Common Issues

1. WASM Tests Failing

# Check WASM target installation
rustup target list --installed | grep wasm32-unknown-unknown

# Reinstall WASM target if missing
rustup target add wasm32-unknown-unknown

# Check browser console for errors
make test-wasm-headed

2. Performance Threshold Failures

# Run with verbose output to see detailed metrics
make test-wasm-verbose

# Check specific browser performance
./scripts/run-wasm-tests.sh -b chromium -v

3. Accessibility Violations

# Run accessibility audit with verbose output
make accessibility-audit-verbose

# Check specific components
make accessibility-audit-components COMPONENTS=button,input

4. E2E Test Failures

# Run tests in debug mode
make test-e2e-debug

# Check specific test categories
make test-e2e-performance
make test-e2e-accessibility

Debug Mode

# Run tests in debug mode with browser inspector
pnpm playwright test --debug

# Run specific test in debug mode
pnpm playwright test --debug --grep "should initialize WASM successfully"

📚 Best Practices

1. Test Strategy

• Run infrastructure tests on every component change
• Use parallel execution for faster feedback
• Monitor performance trends over time
• Test on multiple browsers before releases

2. Performance Optimization

• Set realistic performance thresholds
• Monitor memory usage patterns
• Optimize WASM bundle sizes
• Use browser-specific optimizations

3. Accessibility Compliance

• Test with actual screen readers
• Validate keyboard navigation
• Check color contrast ratios
• Implement proper focus management

4. CI/CD Integration

• Use environment-specific configurations
• Implement proper artifact management
• Set up failure notifications
• Monitor test execution times

🔄 Maintenance

Regular Tasks

1. Update Dependencies: Keep Playwright, Rust, and Node.js versions current
2. Review Performance Thresholds: Adjust based on actual performance data
3. Update Accessibility Rules: Keep WCAG compliance rules current
4. Monitor Test Execution Times: Optimize for faster feedback

Monitoring

• Test Execution Times: Monitor and optimize test performance
• Failure Rates: Track and address recurring failures
• Performance Trends: Monitor performance regression patterns
• Accessibility Compliance: Track accessibility improvement over time

🎯 Future Enhancements

Planned Features

• Visual Regression Testing: Automated screenshot comparison
• Performance Budgets: Enforce performance thresholds in CI
• Real Device Testing: Test on actual mobile devices
• WASM Profiling: Detailed performance profiling integration
• Automated Optimization: AI-powered performance recommendations

Integration Opportunities

• Storybook Integration: Component story testing
• Design System Testing: Visual consistency validation
• API Testing: Backend integration testing
• Load Testing: High-traffic scenario testing

📞 Support

For issues or questions about the infrastructure:

1. Check the troubleshooting section
2. Review test reports for specific failures
3. Run tests in debug mode for detailed analysis
4. Check browser console for error messages
5. Verify environment setup and dependencies

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Last Updated: December 2024
Version: 2.0.0
Maintainer: leptos-shadcn-ui Team