SmileEx Release v0.2.0

Release v0.2.0 Summary

Version Update

• Updated from v0.1.0 to v0.2.0
• Release date: October 28, 2025

Files Created

Benchmarking (4 files)

1. benchmarks/comparison.exs - Comprehensive performance benchmark
2. benchmarks/size_comparison.exs - Detailed size analysis with color-coded output
3. benchmarks/quick.exs - Fast development benchmark
4. benchmarks/README.md - Benchmarking documentation and guide

Property Testing (3 files)

1. test/smile_property_test.exs - 24 property tests with ~450 LOC
2. test/property_testing_guide.md - Comprehensive guide (300+ lines)
3. PROPERTY_TESTING.md - Implementation summary

Release Documentation (2 files)

1. RELEASE_NOTES.md - GitHub release notes
2. RELEASE_SUMMARY.md - This file

Files Modified

Core Code

1. lib/smile.ex - Fixed alias ordering
2. lib/smile/decoder.ex - Refactored for code quality (reduced complexity, nesting)
3. lib/smile/encoder.ex - Refactored for code quality (reduced complexity)
4. test/smile_property_test.exs - Fixed cond statement

Configuration

1. mix.exs - Updated version to 0.2.0, added dependencies (benchee, jason, stream_data)

Documentation

1. README.md - Added benchmarking and property testing sections
2. CHANGELOG.md - Added v0.2.0 release notes

Statistics

Code Metrics

• Total Files: 9 new files, 8 modified files
• Lines Added: ~1,500+ lines (tests, benchmarks, documentation)
• Code Quality: Zero Credo issues ✅
• Test Coverage: 83.5% (up from 82.8%)

Testing

• Tests: 80 total (5 doctests + 24 properties + 51 unit tests)
• Property Tests: Generate ~2,400 test cases per run
• Test Execution: <0.6 seconds
• All Tests: Passing ✅

Dependencies Added

{:benchee, "~> 1.5.0", only: :dev, runtime: false}
{:jason, "~> 1.4", only: [:dev, :test]}
{:stream_data, "~> 1.1", only: :test}

Key Improvements

Performance Benchmarking

• 3 benchmark scripts with different focus areas
• Detailed size comparison across various data types
• Memory usage analysis
• Performance metrics vs Jason

Property-Based Testing

• 24 comprehensive properties
• Custom data generators
• Recursive nested structure generation
• Extensive edge case coverage

Code Quality

• Reduced cyclomatic complexity from 22 → <9
• Reduced nesting depth from 3 → 2
• Better separation of concerns
• More maintainable and readable code

Release Checklist

• Version updated in mix.exs
• CHANGELOG.md updated
• RELEASE_NOTES.md created
• All tests passing
• Code quality checks passing (Credo)
• Documentation updated
• Benchmarks working
• Property tests working
• Dependencies properly added
• README updated with new features

Commands to Verify

# Version check
grep '@version' mix.exs
# Output: @version "0.2.0"

# Run all tests
mix test
# Output: 80 tests, 0 failures

# Code quality
mix credo
# Output: found no issues

# Run benchmarks
mix run benchmarks/quick.exs
mix run benchmarks/size_comparison.exs
mix run benchmarks/comparison.exs

# Check coverage
mix test --cover
# Output: 83.5% coverage

Next Steps

1. Review: Review all changes and release notes
2. Commit: Commit all changes with message "Release v0.2.0"
3. Tag: Create git tag v0.2.0
4. Push: Push changes and tag to repository
5. Release: Create GitHub release with RELEASE_NOTES.md
6. Publish: Publish to Hex.pm (optional)

Release Command Sequence

# Review changes
git status
git diff

# Commit all changes
git add .
git commit -m "Release v0.2.0

- Add performance benchmarking suite (Benchee + 3 scripts)
- Add property-based testing (StreamData + 24 properties)
- Improve code quality (reduce complexity, nesting)
- Add comprehensive documentation
- Update dependencies"

# Create and push tag
git tag -a v0.2.0 -m "Release v0.2.0"
git push origin master
git push origin v0.2.0

# Create GitHub release using RELEASE_NOTES.md

Breaking Changes

None - This release is fully backward compatible with v0.1.0.

All existing code using SmileEx v0.1.0 will work without modifications when upgrading to v0.2.0.

---

Release prepared by: AI Assistant
Date: October 28, 2025
Review status: Ready for review and release