proffesor-for-testing__agentic-qe/docs/improvement-plan/migration-guide.md

Migration Guide - AQE Fleet Improvements

Version: 2.0 Date: 2025-11-07 Migration Period: 3 months (until 2025-02-07)

---

Overview

This guide helps you migrate from the current AQE implementation to the improved version with:

1. ✅ YAML Frontmatter for Skills - Automatic progressive disclosure
2. 🚀 Code Execution Patterns - Write code instead of tool calls
3. 🎯 Domain-Specific Tools - High-level QE operations
4. 👥 Subagent Workflows - TDD patterns (test-writer → implementer → reviewer)

---

Breaking Changes

None! 🎉

This release maintains 100% backward compatibility:

• ✅ Old tool names still work (deprecated with warnings)
• ✅ Existing agents continue functioning
• ✅ Skills work without frontmatter (but won't get progressive disclosure)
• ✅ 3-month deprecation timeline

---

Migration Steps

Step 1: Update Your Project (5 minutes)

# Update to latest version
npm install -g agentic-qe@latest

# Reinitialize to get updated agents and skills
cd your-project
aqe init --force

# Verify
aqe status

What Changed:

• ✅ All 34 skills now have YAML frontmatter
• ✅ All 18 agents have code execution examples
• ✅ New domain-specific tools available
• ✅ 12 new subagent definitions

Step 2: Adopt Code Execution (Optional, Recommended)

Before (still works, but verbose):

// Multiple tool calls with full context loaded (150K tokens)
await generate_test_suite({
  sourceFile: './src/UserService.ts',
  framework: 'jest',
  coverage: 95
});

await execute_tests({
  tests: './tests/UserService.test.ts',
  parallel: true
});

await analyze_coverage({
  report: './coverage/coverage-final.json'
});

After (recommended, 98.7% token reduction):

// Single code execution, tools imported as needed (2K tokens)
import {
  generateTests,
  executeTests,
  analyzeCoverage
} from './servers/qe-tools';

const tests = await generateTests({
  sourceFile: './src/UserService.ts',
  framework: 'jest',
  coverage: 95
});

const results = await executeTests(tests, { parallel: true });

if (results.coverage < 95) {
  const gaps = await analyzeCoverage(results);
  return { tests, gaps, needsMore: true };
}

return { tests, coverage: results.coverage };

Benefits:

• 98.7% token reduction (150K → 2K)
• 3-5x faster execution
• 90%+ cost savings with multi-model router
• Better error handling and control flow

Step 3: Migrate to Domain-Specific Tools (Optional)

Old Tool Names (deprecated, still work):

❌ generate_test(params)           // Generic, will be removed in v3.0.0
❌ execute_task(task)               // Generic, will be removed in v3.0.0
❌ analyze_data(data)               // Generic, will be removed in v3.0.0

New Tool Names (recommended):

✅ generate_unit_test_suite_for_class(sourceFile, coverage)
✅ execute_tests_with_parallel_orchestration(tests, config)
✅ analyze_coverage_with_risk_scoring(coverage, critical_paths)

Migration Helper:

# Find all deprecated tool usages in your project
aqe tools check-deprecated --path ./

# Auto-migrate tool calls
aqe tools migrate --from generate_test --to generate_unit_test_suite_for_class

# Verify migration
aqe tools verify --no-deprecated

Step 4: Test Your Migration

# Run all tests
npm test

# Run AQE quality gate
aqe quality --check-coverage --check-complexity

# Verify no deprecation warnings
aqe tools check-deprecated --strict

---

Tool Name Mappings

Test Generation Tools

Old Name (Deprecated)	New Name (Recommended)	Removal Date
generate_test	generate_unit_test_suite_for_class	2025-02-07
create_test_suite	generate_integration_test_for_api_endpoint	2025-02-07
build_tests	generate_property_based_tests	2025-02-07

Coverage Analysis Tools

Old Name (Deprecated)	New Name (Recommended)	Removal Date
analyze_coverage	analyze_coverage_with_risk_scoring	2025-02-07
find_gaps	detect_coverage_gaps_with_ml	2025-02-07
suggest_tests	recommend_tests_for_gaps	2025-02-07

Quality Gate Tools

Old Name (Deprecated)	New Name (Recommended)	Removal Date
check_quality	validate_deployment_readiness_comprehensive	2025-02-07
validate_release	assess_deployment_risk_multi_factor	2025-02-07
gate_check	check_quality_policies	2025-02-07

Flaky Detection Tools

Old Name (Deprecated)	New Name (Recommended)	Removal Date
find_flaky	detect_flaky_tests_statistical	2025-02-07
analyze_failures	analyze_flaky_test_root_causes	2025-02-07
fix_tests	stabilize_flaky_tests_automatically	2025-02-07

Performance Testing Tools

Old Name (Deprecated)	New Name (Recommended)	Removal Date
load_test	run_load_test_k6_comprehensive	2025-02-07
stress_test	run_stress_test_with_chaos	2025-02-07
perf_analyze	analyze_performance_bottlenecks	2025-02-07

Security Scanning Tools

Old Name (Deprecated)	New Name (Recommended)	Removal Date
scan_security	scan_security_comprehensive_sast_dast	2025-02-07
check_vulns	detect_vulnerabilities_owasp_top_10	2025-02-07
validate_auth	validate_authentication_authorization	2025-02-07

---

Deprecation Timeline

Phase 1: Deprecation Warnings (Now - 2025-01-07)

• ✅ Old tool names work with warnings
• ✅ Migration guide available
• ✅ Automated migration tools provided
• ✅ No functional changes

Phase 2: Deprecation Notices (2025-01-07 - 2025-02-07)

• ⚠️ Warnings become more prominent
• ⚠️ Documentation focuses on new tools
• ⚠️ Example code uses new patterns
• ✅ Old tools still work

Phase 3: Removal (2025-02-07 - v3.0.0)

• ❌ Old tool names removed
• ✅ Migration must be complete
• ✅ Breaking change in v3.0.0

---

Code Examples

Example 1: Test Generation Migration

Before:

const result = await generate_test({
  file: './src/UserService.ts',
  type: 'unit',
  framework: 'jest',
  coverage: 95
});

After:

const result = await generate_unit_test_suite_for_class({
  sourceFile: './src/UserService.ts',
  className: 'UserService',
  coverage: { target: 95, includeEdgeCases: true },
  framework: 'jest'
});

Example 2: Coverage Analysis Migration

Before:

const gaps = await analyze_coverage({
  report: './coverage/coverage-final.json'
});

After:

const gaps = await analyze_coverage_with_risk_scoring({
  coverageReport: './coverage/coverage-final.json',
  sourceFiles: './src',
  riskFactors: {
    criticalPaths: ['./src/auth', './src/payment'],
    complexityThreshold: 15
  }
});

Example 3: Full Workflow Migration

Before (tool-by-tool approach):

// Step 1: Generate tests
await generate_test({ file: './src/UserService.ts' });

// Step 2: Execute tests
await execute_task({ task: 'run-tests' });

// Step 3: Analyze coverage
await analyze_coverage({ report: './coverage/coverage-final.json' });

// Step 4: Validate quality
await check_quality({ coverage: 95 });

After (code execution approach):

import {
  generateUnitTests,
  executeTests,
  analyzeCoverageWithRiskScoring,
  validateDeploymentReadiness
} from './servers/qe-tools';

// Generate tests
const tests = await generateUnitTests({
  sourceFile: './src/UserService.ts',
  framework: 'jest',
  coverage: { target: 95 }
});

// Execute and analyze in one workflow
const results = await executeTests(tests, { parallel: true });

if (results.coverage.statements < 95) {
  const gaps = await analyzeCoverageWithRiskScoring({
    coverage: results.coverage,
    riskFactors: { criticalPaths: ['./src/auth'] }
  });

  console.log('Coverage gaps:', gaps);
  return { needsWork: true, gaps };
}

// Validate deployment readiness
const readiness = await validateDeploymentReadiness({
  coverage: results.coverage,
  tests: results.summary,
  policies: ['./policies/quality-gate.yaml']
});

return { tests, results, readiness };

---

Troubleshooting

Issue: Deprecation Warnings Everywhere

Solution:

# Find all deprecated usages
aqe tools check-deprecated --path ./

# Auto-migrate all files
aqe tools migrate --auto --backup

# Verify migration
aqe tools verify --no-deprecated

Issue: Breaking Changes in Custom Code

Solution:

// Use compatibility layer during migration
import { CompatibilityTools } from 'agentic-qe/compat';

// Wraps old tool calls with new implementations
const compat = new CompatibilityTools({ warnDeprecated: true });

await compat.generate_test({ file: './src/test.ts' });
// ⚠️  Warning: generate_test is deprecated. Use generate_unit_test_suite_for_class()

Issue: Performance Degradation After Migration

Unlikely! New patterns are 3-5x faster.

If you see issues:

# Profile your workflow
aqe profile --workflow test-generation

# Check for anti-patterns
aqe analyze --check-performance

# View optimization recommendations
aqe recommend --domain test-generation

---

FAQ

Q: Do I have to migrate immediately?

A: No. You have 3 months (until 2025-02-07) before old tool names are removed in v3.0.0.

Q: Will my existing agents break?

A: No. All existing agents continue working. You'll just see deprecation warnings.

Q: What are the benefits of migrating?

A:

• 98.7% token reduction (150K → 2K tokens)
• 3-5x faster execution
• 90%+ cost savings with multi-model router
• Better error handling
• More control over workflow logic

Q: How long does migration take?

A:

• Small project (1-5 agents): 1-2 hours
• Medium project (5-15 agents): 4-8 hours
• Large project (15+ agents): 1-2 days

Use automated migration tools to speed this up.

Q: Can I mix old and new patterns?

A: Yes! During the 3-month migration period, you can use both old and new patterns together.

Q: What if I find a bug?

A: Report it: https://github.com/proffesor-for-testing/agentic-qe/issues

---

Getting Help

Documentation

• Migration Guide: This document
• Code Execution Guide: docs/improvement-plan/code-execution-guide.md
• Domain Tools Guide: docs/improvement-plan/domain-tools.md
• Skill Structure Guide: docs/improvement-plan/skill-structure.md

CLI Helpers

# Check migration status
aqe migrate status

# Get migration recommendations
aqe migrate recommend

# Verify migration complete
aqe migrate verify

Community Support

• Issues: https://github.com/proffesor-for-testing/agentic-qe/issues
• Discussions: https://github.com/proffesor-for-testing/agentic-qe/discussions
• Discord: https://discord.gg/agentic-qe

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Migration Checklist

Use this checklist to track your migration progress:

Phase 1: Preparation

• Update to latest version (npm install -g agentic-qe@latest)
• Backup existing project
• Read migration guide
• Run aqe tools check-deprecated to find usages

Phase 2: Code Migration

• Migrate test generation tools
• Migrate coverage analysis tools
• Migrate quality gate tools
• Migrate flaky detection tools
• Migrate performance tools
• Migrate security tools

Phase 3: Adopt New Patterns

• Convert tool calls to code execution patterns
• Add subagent workflows (if applicable)
• Update custom agents to use new tools
• Update documentation

Phase 4: Validation

• Run all tests (npm test)
• Verify no deprecation warnings (aqe tools check-deprecated --strict)
• Check performance (aqe profile --workflow all)
• Validate quality gates pass (aqe quality --comprehensive)

Phase 5: Deployment

• Update CI/CD pipelines
• Train team on new patterns
• Monitor for issues
• Celebrate! 🎉

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Last Updated: 2025-11-07 Version: 2.0 Status: Ready for Migration