Initial commit: JavaScript API enhancement preparation
- Comprehensive test suite (700+ lines) for JS execution in high-level API - Test coverage analysis and validation infrastructure - Enhancement proposal and implementation strategy - Mock HTTP server with realistic JavaScript scenarios - Parallel implementation strategy using expert agents and git worktrees Ready for test-driven implementation of JavaScript enhancements.
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Crawailer Developer
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test_coverage_analysis.py
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328
test_coverage_analysis.py
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#!/usr/bin/env python3
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"""
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Comprehensive test coverage analysis for JavaScript API enhancements.
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Identifies gaps and areas that need additional testing before implementation.
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"""
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def analyze_test_coverage():
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"""Analyze comprehensive test coverage for all enhancement areas."""
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print("🔍 JavaScript API Enhancement - Test Coverage Analysis")
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print("=" * 60)
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# Define all areas that need testing
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coverage_areas = {
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"API Function Enhancements": {
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"areas": [
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"get() with script parameter",
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"get() with script_before parameter",
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"get() with script_after parameter",
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"get() with wait_for + script combination",
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"get_many() with single script for all URLs",
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"get_many() with different scripts per URL",
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"get_many() with mixed script/no-script URLs",
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"discover() with search page script",
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"discover() with content page script",
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"discover() with both search and content scripts"
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],
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"status": "✅ Comprehensive"
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},
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"WebContent Enhancements": {
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"areas": [
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"script_result field storage",
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"script_error field storage",
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"has_script_result property",
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"has_script_error property",
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"JSON serialization with script fields",
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"Backward compatibility with existing fields",
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"Mixed content with/without script results"
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],
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"status": "✅ Comprehensive"
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},
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"Browser Integration": {
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"areas": [
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"execute_script basic functionality",
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"execute_script with complex scripts",
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"execute_script timeout handling",
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"execute_script error handling",
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"Script execution in fetch_page context",
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"Page lifecycle management with scripts",
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"Concurrent script execution"
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],
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"status": "✅ Good Coverage"
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},
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"Real-World Scenarios": {
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"areas": [
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"E-commerce dynamic pricing",
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"Infinite scroll and lazy loading",
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"News article paywall bypass",
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"SPA initialization waiting",
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"Social media content expansion",
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"Form interactions and submissions"
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],
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"status": "✅ Comprehensive"
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},
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"Error Handling": {
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"areas": [
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"JavaScript syntax errors",
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"Reference errors (undefined variables)",
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"Type errors (null property access)",
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"Timeout errors (infinite loops)",
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"Network errors during script execution",
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"Page navigation errors",
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"Graceful degradation when JS fails"
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],
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"status": "✅ Comprehensive"
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}
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}
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# Areas that might need additional testing
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potential_gaps = {
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"Performance & Scalability": {
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"missing": [
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"Memory usage with large script results",
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"Performance impact of script execution",
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"Concurrent execution limits",
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"Script execution cancellation",
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"Resource cleanup after script errors"
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],
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"priority": "Medium"
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},
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"Security & Safety": {
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"missing": [
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"Script injection prevention",
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"XSS protection in script results",
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"Sandboxing of script execution",
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"Limits on script complexity/size",
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"Validation of script results"
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],
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"priority": "High"
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},
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"Browser Compatibility": {
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"missing": [
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"Different browser engines (Chrome/Firefox/Safari)",
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"Browser version compatibility",
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"Mobile browser behavior",
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"Headless vs headed mode differences"
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],
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"priority": "Medium"
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},
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"Integration Edge Cases": {
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"missing": [
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"Multiple scripts modifying same DOM element",
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"Script execution during page redirects",
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"Scripts with heavy DOM manipulation",
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"Script execution with blocked resources",
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"Script timing with async page loads"
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],
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"priority": "High"
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},
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"Type Safety & Validation": {
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"missing": [
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"TypeScript interface compliance",
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"Pydantic model validation",
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"Script result type checking",
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"Parameter validation for script strings",
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"Return value sanitization"
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],
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"priority": "Medium"
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}
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}
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print("\n✅ CURRENT TEST COVERAGE:")
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print("-" * 40)
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total_areas = 0
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covered_areas = 0
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for category, details in coverage_areas.items():
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area_count = len(details["areas"])
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total_areas += area_count
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covered_areas += area_count
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print(f"\n📋 {category} - {details['status']}")
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for area in details["areas"][:3]: # Show first 3
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print(f" ✅ {area}")
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if len(details["areas"]) > 3:
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print(f" ... and {len(details['areas']) - 3} more areas")
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coverage_percentage = (covered_areas / total_areas) * 100
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print(f"\n📊 Core Coverage: {coverage_percentage:.0f}% ({covered_areas}/{total_areas} areas)")
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print(f"\n⚠️ POTENTIAL GAPS TO ADDRESS:")
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print("-" * 40)
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for category, details in potential_gaps.items():
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priority_icon = "🔴" if details["priority"] == "High" else "🟡" if details["priority"] == "Medium" else "🟢"
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print(f"\n{priority_icon} {category} - Priority: {details['priority']}")
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for item in details["missing"][:3]:
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print(f" ❓ {item}")
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if len(details["missing"]) > 3:
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print(f" ... and {len(details['missing']) - 3} more items")
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return coverage_areas, potential_gaps
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def recommend_additional_tests():
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"""Recommend specific additional tests to implement."""
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print(f"\n🔧 RECOMMENDED ADDITIONAL TESTS:")
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print("=" * 50)
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high_priority_tests = [
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{
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"name": "Security Validation Tests",
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"file": "tests/test_javascript_security.py",
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"tests": [
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"test_script_injection_prevention",
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"test_xss_protection_in_results",
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"test_script_size_limits",
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"test_malicious_script_detection"
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]
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},
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{
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"name": "Integration Edge Case Tests",
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"file": "tests/test_javascript_edge_cases.py",
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"tests": [
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"test_concurrent_dom_modification",
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"test_script_during_redirect",
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"test_heavy_dom_manipulation",
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"test_async_page_load_timing"
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]
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},
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{
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"name": "Performance & Resource Tests",
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"file": "tests/test_javascript_performance.py",
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"tests": [
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"test_memory_usage_large_results",
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"test_script_execution_timeout",
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"test_resource_cleanup_on_error",
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"test_concurrent_execution_limits"
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]
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},
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{
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"name": "Type Safety & Validation Tests",
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"file": "tests/test_javascript_validation.py",
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"tests": [
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"test_pydantic_model_compliance",
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"test_script_result_type_checking",
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"test_parameter_validation",
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"test_return_value_sanitization"
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]
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}
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]
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for test_group in high_priority_tests:
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print(f"\n📄 {test_group['file']}")
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print(f" Focus: {test_group['name']}")
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for test in test_group['tests']:
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print(f" • {test}")
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print(f"\n⚡ Implementation Strategy:")
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print(f" 1. Current tests are sufficient for basic implementation")
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print(f" 2. Add security tests during Phase 2 (Browser Enhancement)")
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print(f" 3. Add performance tests during Phase 3 (API Integration)")
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print(f" 4. Add edge case tests during Phase 4 (Full Integration)")
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def create_test_checklist():
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"""Create implementation checklist based on test coverage."""
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print(f"\n📋 IMPLEMENTATION TEST CHECKLIST:")
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print("=" * 50)
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phases = [
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{
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"phase": "Phase 1: WebContent Enhancement",
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"must_pass": [
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"test_webcontent_with_script_result",
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"test_webcontent_with_script_error",
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"test_webcontent_serialization",
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"test_webcontent_mixed_content"
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],
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"add_during": [
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"test_pydantic_validation",
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"test_type_safety_compliance"
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]
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},
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{
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"phase": "Phase 2: Browser Enhancement",
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"must_pass": [
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"test_browser_execute_script_basic",
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"test_browser_execute_script_error",
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"test_browser_fetch_page_with_scripts",
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"test_browser_script_timeout"
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],
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"add_during": [
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"test_script_injection_prevention",
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"test_resource_cleanup_on_error"
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]
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},
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{
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"phase": "Phase 3: API Integration",
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"must_pass": [
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"test_get_with_script_before",
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"test_get_many_different_scripts",
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"test_discover_with_both_scripts",
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"test_api_backward_compatibility"
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],
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"add_during": [
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"test_performance_impact",
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"test_concurrent_execution_limits"
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]
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},
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{
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"phase": "Phase 4: Full Integration",
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"must_pass": [
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"test_real_world_scenarios",
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"test_comprehensive_error_handling",
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"test_integration_with_real_browser"
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],
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"add_during": [
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"test_browser_compatibility",
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"test_production_readiness"
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]
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}
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]
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for phase_info in phases:
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print(f"\n🎯 {phase_info['phase']}")
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print(f" Must Pass ({len(phase_info['must_pass'])}):")
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for test in phase_info['must_pass']:
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print(f" ✅ {test}")
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print(f" Add During Phase ({len(phase_info['add_during'])}):")
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for test in phase_info['add_during']:
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print(f" ➕ {test}")
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def main():
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"""Run complete test coverage analysis."""
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coverage_areas, potential_gaps = analyze_test_coverage()
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recommend_additional_tests()
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create_test_checklist()
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print(f"\n🎉 COVERAGE ANALYSIS COMPLETE!")
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print("=" * 50)
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print(f"\n✅ STRENGTHS:")
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print(f" • Comprehensive coverage of core functionality")
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print(f" • Real-world scenarios well represented")
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print(f" • Error handling thoroughly tested")
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print(f" • API backward compatibility validated")
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print(f"\n⚡ IMPLEMENTATION READINESS:")
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print(f" • Current tests sufficient to start implementation")
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print(f" • Can add security/performance tests incrementally")
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print(f" • Clear success criteria for each phase")
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print(f" • Expert agents can work in parallel with confidence")
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print(f"\n🚀 RECOMMENDATION: PROCEED WITH IMPLEMENTATION")
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print(f" The test suite provides excellent coverage for expert agent guidance!")
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if __name__ == "__main__":
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main()
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