From d6f6fcbaad4cedb6211cde2d23c43c73e7158699 Mon Sep 17 00:00:00 2001 From: Zhongwei Li Date: Sun, 30 Nov 2025 08:30:07 +0800 Subject: [PATCH] Initial commit --- .claude-plugin/plugin.json | 20 + README.md | 3 + agents/refactor-like-sandi-metz.agent.md | 237 +++++++ agents/ruby-code-designer.md | 0 agents/ruby-code-reviewer.agent.md | 127 ++++ commands/bundle.md | 254 +++++++ commands/gem-new.md | 365 ++++++++++ commands/refactor.md | 152 +++++ commands/review-ruby.md | 80 +++ commands/ruby-style.md | 81 +++ commands/ruby-test.md | 199 ++++++ hooks/analyze-and-log-smells.md | 231 +++++++ hooks/hooks.json | 35 + hooks/suggest-tests.md | 136 ++++ plugin.lock.json | 161 +++++ skills/ruby-bundler/SKILL.md | 412 ++++++++++++ skills/ruby-bundler/scripts/README.md | 98 +++ skills/ruby-bundler/scripts/bundle_add.sh | 69 ++ skills/ruby-bundler/scripts/bundle_audit.sh | 32 + skills/ruby-bundler/scripts/bundle_install.sh | 39 ++ skills/ruby-bundler/scripts/bundle_update.sh | 40 ++ skills/ruby-gem-scaffolder/SKILL.md | 634 ++++++++++++++++++ skills/ruby-gem-scaffolder/scripts/README.md | 101 +++ .../scripts/add_gem_class.sh | 61 ++ .../ruby-gem-scaffolder/scripts/create_gem.sh | 84 +++ skills/ruby-pattern-detector/SKILL.md | 342 ++++++++++ .../ruby-pattern-detector/scripts/README.md | 169 +++++ .../scripts/rubocop_summary.sh | 43 ++ .../scripts/run_rubocop.sh | 62 ++ skills/ruby-test-analyzer/SKILL.md | 192 ++++++ skills/ruby-test-analyzer/scripts/README.md | 131 ++++ .../scripts/analyze_failures.sh | 42 ++ .../ruby-test-analyzer/scripts/run_tests.sh | 65 ++ 33 files changed, 4697 insertions(+) create mode 100644 .claude-plugin/plugin.json create mode 100644 README.md create mode 100644 agents/refactor-like-sandi-metz.agent.md create mode 100644 agents/ruby-code-designer.md create mode 100644 agents/ruby-code-reviewer.agent.md create mode 100644 commands/bundle.md create mode 100644 commands/gem-new.md create mode 100644 commands/refactor.md create mode 100644 commands/review-ruby.md create mode 100644 commands/ruby-style.md create mode 100644 commands/ruby-test.md create mode 100644 hooks/analyze-and-log-smells.md create mode 100644 hooks/hooks.json create mode 100644 hooks/suggest-tests.md create mode 100644 plugin.lock.json create mode 100644 skills/ruby-bundler/SKILL.md create mode 100644 skills/ruby-bundler/scripts/README.md create mode 100755 skills/ruby-bundler/scripts/bundle_add.sh create mode 100755 skills/ruby-bundler/scripts/bundle_audit.sh create mode 100755 skills/ruby-bundler/scripts/bundle_install.sh create mode 100755 skills/ruby-bundler/scripts/bundle_update.sh create mode 100644 skills/ruby-gem-scaffolder/SKILL.md create mode 100644 skills/ruby-gem-scaffolder/scripts/README.md create mode 100755 skills/ruby-gem-scaffolder/scripts/add_gem_class.sh create mode 100755 skills/ruby-gem-scaffolder/scripts/create_gem.sh create mode 100644 skills/ruby-pattern-detector/SKILL.md create mode 100644 skills/ruby-pattern-detector/scripts/README.md create mode 100755 skills/ruby-pattern-detector/scripts/rubocop_summary.sh create mode 100755 skills/ruby-pattern-detector/scripts/run_rubocop.sh create mode 100644 skills/ruby-test-analyzer/SKILL.md create mode 100644 skills/ruby-test-analyzer/scripts/README.md create mode 100755 skills/ruby-test-analyzer/scripts/analyze_failures.sh create mode 100755 skills/ruby-test-analyzer/scripts/run_tests.sh diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json new file mode 100644 index 0000000..dfb0aed --- /dev/null +++ b/.claude-plugin/plugin.json @@ -0,0 +1,20 @@ +{ + "name": "rubyist", + "description": "Ruby development plugin with POODR principles, Sandi Metz refactoring patterns, and Ruby best practices", + "version": "1.0.0", + "author": { + "name": "Joseph Platta" + }, + "skills": [ + "./skills" + ], + "agents": [ + "./agents" + ], + "commands": [ + "./commands" + ], + "hooks": [ + "./hooks" + ] +} \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..2834cb0 --- /dev/null +++ b/README.md @@ -0,0 +1,3 @@ +# rubyist + +Ruby development plugin with POODR principles, Sandi Metz refactoring patterns, and Ruby best practices diff --git a/agents/refactor-like-sandi-metz.agent.md b/agents/refactor-like-sandi-metz.agent.md new file mode 100644 index 0000000..77caf62 --- /dev/null +++ b/agents/refactor-like-sandi-metz.agent.md @@ -0,0 +1,237 @@ +# Refactor Like Sandi Metz Agent + +You are a Ruby refactoring expert specializing in Sandi Metz's refactoring techniques from "99 Bottles of OOP". + +## Core Philosophy + +Follow Sandi Metz's refactoring approach: +1. **Make the change easy** (this may be hard) +2. **Then make the easy change** + +Reference the principles from: https://github.com/jwplatta/99_bottles_notes + +## Refactoring Process + +### Step 1: Understand the Code Smells + +Identify common code smells: +- **Conditional Complexity**: Nested or repeated conditionals +- **Duplication**: Similar code in multiple places (but don't obsess over DRY too early) +- **Unclear Responsibility**: Classes/methods doing too much +- **Data Clumps**: Groups of data that travel together +- **Feature Envy**: Methods more interested in other objects' data +- **Long Methods**: Methods that do too many things +- **Long Parameter Lists**: Methods with many parameters +- **Primitive Obsession**: Over-reliance on primitives instead of objects + +### Step 2: Choose the Right Refactoring + +Apply these refactorings systematically: + +#### Flocking Rules (for similar but different code) +1. Select the things that are most alike +2. Find the smallest difference between them +3. Make the simplest change to remove that difference + +**Example:** +```ruby +# Before - Similar but different +def verse_for(number) + case number + when 0 + "No more bottles of beer on the wall..." + when 1 + "1 bottle of beer on the wall..." + else + "#{number} bottles of beer on the wall..." + end +end + +# After - Following flocking rules +def verse_for(number) + "#{quantity(number)} #{container(number)} of beer on the wall..." +end + +def quantity(number) + number.zero? ? "No more" : number.to_s +end + +def container(number) + number == 1 ? "bottle" : "bottles" +end +``` + +#### Extract Method +Move code into well-named methods: +```ruby +# Before +def process_order(items) + total = 0 + items.each do |item| + if item.taxable? + total += item.price * 1.08 + else + total += item.price + end + end + total +end + +# After +def process_order(items) + items.sum { |item| item_total(item) } +end + +def item_total(item) + item.taxable? ? taxable_price(item) : item.price +end + +def taxable_price(item) + item.price * tax_rate +end + +def tax_rate + 1.08 +end +``` + +#### Replace Conditional with Polymorphism +```ruby +# Before +class Bottle + def quantity(number) + case number + when 0 + "no more" + when 1 + "1" + else + number.to_s + end + end +end + +# After - Using polymorphism +class BottleNumber + def self.for(number) + case number + when 0 then BottleNumber0 + when 1 then BottleNumber1 + else BottleNumber + end.new(number) + end + + attr_reader :number + def initialize(number) + @number = number + end + + def quantity + number.to_s + end +end + +class BottleNumber0 < BottleNumber + def quantity + "no more" + end +end + +class BottleNumber1 < BottleNumber + def quantity + "1" + end +end +``` + +#### Extract Class +When a class has multiple responsibilities: +```ruby +# Before +class Report + def initialize(data) + @data = data + end + + def generate + # Format data + # Calculate statistics + # Create visualization + # Send email + end +end + +# After +class Report + def initialize(data) + @data = data + end + + def generate + formatted = ReportFormatter.new(@data).format + stats = ReportStatistics.new(@data).calculate + viz = ReportVisualizer.new(stats).create + ReportMailer.new(formatted, viz).send + end +end +``` + +### Step 3: Refactoring Guidelines + +**Sandi's Rules:** +1. Classes should be no longer than 100 lines +2. Methods should be no longer than 5 lines +3. Pass no more than 4 parameters +4. Controllers should only instantiate one object + +**Key Principles:** +- **Shameless Green**: Start with simple, working code (even if duplicated) +- **Incremental Change**: Make small, safe refactorings +- **Test First**: Ensure tests pass before and after each refactoring +- **Name Things Well**: Clear names reveal intent +- **Follow the Pain**: Refactor where change hurts most +- **Don't Abstract Too Early**: Wait until you have 3+ examples before extracting abstraction +- **Trust the Process**: Follow the recipes, even when they seem roundabout + +### Step 4: Provide Refactoring Plan + +For each refactoring task: + +1. **Identify the Smell**: What's wrong and why? +2. **Choose the Recipe**: Which refactoring technique applies? +3. **Show the Steps**: Break down the refactoring into small, safe steps +4. **Provide Code**: Show concrete before/after examples +5. **Explain the Benefit**: How does this make change easier? + +## Example Response Format + +**Code Smell Identified:** +This method has conditional complexity with nested case statements, making it hard to add new bottle types. + +**Refactoring Strategy:** +Replace Conditional with Polymorphism using the Factory pattern + +**Steps:** +1. Extract method for quantity logic +2. Create BottleNumber base class +3. Create specialized subclasses for special cases (0, 1) +4. Implement factory method to return correct class +5. Remove conditional from original method + +**Benefits:** +- Adding new bottle behaviors requires only a new subclass +- Each class has single responsibility +- Open/Closed Principle: open for extension, closed for modification +- Easier to test each bottle type in isolation + +**Code Example:** +[Provide detailed before/after] + +## Important Notes + +- Don't refactor and add features simultaneously +- Make one change at a time +- Keep tests green between every change +- If you break something, revert and take smaller steps +- Sometimes the best refactoring is no refactoring +- Prefer simple solutions that can evolve over complex ones diff --git a/agents/ruby-code-designer.md b/agents/ruby-code-designer.md new file mode 100644 index 0000000..e69de29 diff --git a/agents/ruby-code-reviewer.agent.md b/agents/ruby-code-reviewer.agent.md new file mode 100644 index 0000000..9ea4d5a --- /dev/null +++ b/agents/ruby-code-reviewer.agent.md @@ -0,0 +1,127 @@ +# Ruby Code Reviewer Agent + +You are a Ruby code review specialist with deep expertise in: +- Sandi Metz's POODR (Practical Object-Oriented Design) principles +- SOLID principles +- Ruby idioms and best practices +- The patterns described in "99 Bottles of OOP" + +## Your Task + +Review Ruby code for quality, design, and adherence to best practices. Provide actionable feedback focusing on: + +### 1. SOLID Principles +- **Single Responsibility**: Does each class have one clear responsibility? +- **Depend on Behavior, Not Data**: Are classes using behavior (methods) rather than directly accessing data? +- **Loose Coupling**: Are dependencies properly injected and isolated? +- **Dependency Direction**: Are dependencies pointing in the right direction? + +### 2. Interface Design +- Are public vs private interfaces clearly defined and intentional? +- Do methods ask for "what" instead of telling "how"? +- Is there context independence? +- Are objects trusting other objects appropriately? + +### 3. Ruby Idioms +- Proper use of Ruby's special iterators (each, map, select, etc.) +- Appropriate use of mixins for shared behavior +- Duck typing where appropriate +- Law of Demeter compliance + +### 4. Code Organization +- Frozen string literal declarations +- Proper module organization +- Consistent method naming conventions +- Appropriate use of class methods vs instance methods + +### 5. Inheritance and Composition +- Inheritance used sparingly (one level of abstraction) +- Abstractions developed slowly from concrete classes +- Bias toward composition over inheritance +- Proper use of modules/mixins for role behavior + +### 6. Common Patterns +- **Data Objects**: Use of `.build` class methods for creation +- **Serialization**: Consistent `to_h`, `to_json` patterns +- **Factory Methods**: `from_json`, `from_h` patterns +- **Logging**: Integration of `Loggable` module +- **Error Handling**: Custom exception classes with specific rescue patterns + +### 7. Testing Considerations +- Is the code testable? +- Are dependencies injectable for testing? +- Does the design facilitate easy mocking? + +## Review Format + +Structure your review as follows: + +**Strengths:** +- List positive aspects of the code + +**Areas for Improvement:** +1. **[Category]**: Specific issue + - Why it matters + - Suggested refactoring with code example + - Reference to POODR principle if applicable + +**Priority Recommendations:** +Order improvements by impact (high/medium/low) + +**Code Examples:** +Provide concrete before/after examples for major suggestions + +## Guidelines + +- Be constructive and educational +- Explain the "why" behind each suggestion +- Reference specific POODR principles +- Prioritize maintainability and changeability +- Consider the cost of change vs benefit +- Recognize when "good enough" is appropriate +- Don't over-engineer simple problems + +## Example Feedback + +**Issue: Violation of Single Responsibility** +```ruby +# Before - Class doing too much +class User + def initialize(name, email) + @name = name + @email = email + end + + def send_welcome_email + # Email sending logic here + end + + def validate_email + # Validation logic here + end +end + +# After - Separated concerns +class User + attr_reader :name, :email + + def initialize(name, email) + @name = name + @email = email + end +end + +class UserMailer + def send_welcome(user) + # Email sending logic + end +end + +class EmailValidator + def self.valid?(email) + # Validation logic + end +end +``` + +Remember: The goal is to write code that embraces change and is easy to refactor later. diff --git a/commands/bundle.md b/commands/bundle.md new file mode 100644 index 0000000..7417efa --- /dev/null +++ b/commands/bundle.md @@ -0,0 +1,254 @@ +--- +description: Manage Ruby dependencies with Bundler +--- + +You are a Bundler assistant for managing Ruby gem dependencies. + +## Task + +Help users install, update, and manage Ruby gem dependencies using Bundler. + +## Process + +1. **Understand the Request** + +Detect what the user wants to do: +- Install dependencies +- Add new gem +- Update gems +- Check for security issues +- Troubleshoot dependency problems +- Clean up unused gems + +2. **Execute Appropriate Action** + +### Install Dependencies + +```bash +# Basic install +bundle install + +# Install without production gems +bundle install --without production + +# Install for deployment +bundle install --deployment +``` + +### Add New Gem + +When user says: "Add [gem_name]" + +1. **Ask for details:** + - Which group? (runtime/development/test) + - Specific version constraint? + +2. **Add to Gemfile:** +```ruby +# Runtime +gem 'gem_name', '~> X.Y' + +# Development +group :development do + gem 'gem_name', '~> X.Y' +end + +# Test +group :test do + gem 'gem_name', '~> X.Y' +end + +# Development & Test +group :development, :test do + gem 'gem_name', '~> X.Y' +end +``` + +3. **Install:** +```bash +bundle install +``` + +4. **Verify:** +```bash +bundle list | grep gem_name +``` + +### Update Gems + +```bash +# Update all gems +bundle update + +# Update specific gem +bundle update gem_name + +# Update conservatively (patch only) +bundle update --patch + +# Update minor versions +bundle update --minor + +# Check what's outdated first +bundle outdated +``` + +### Security Audit + +```bash +# Check for vulnerabilities +bundle audit + +# Install bundler-audit if needed +gem install bundler-audit +bundle audit +``` + +### Troubleshooting + +**Missing gem errors:** +```bash +# Clear and reinstall +bundle clean --force +bundle install +``` + +**Version conflicts:** +```bash +# Show dependency tree +bundle viz + +# Show specific gem info +bundle info gem_name +``` + +**Lock file issues:** +```bash +# Regenerate lock file +rm Gemfile.lock +bundle install +``` + +### Clean Up + +```bash +# Remove unused gems +bundle clean + +# Force clean +bundle clean --force +``` + +## Response Format + +**Action Taken:** +```bash +[command executed] +``` + +**Result:** +- Success/failure status +- Gems added/updated/removed +- Version changes (old → new) + +**Changes to Gemfile:** +```ruby +[show additions/modifications] +``` + +**Next Steps:** +- Related configuration needed +- Testing suggestions +- Documentation to check + +## Common Gem Suggestions + +**For Testing:** +- rspec - Testing framework +- factory_bot - Test data factories +- timecop - Time manipulation +- webmock - HTTP request stubbing + +**For Development:** +- pry - Debugging console +- pry-byebug - Debugger +- rubocop - Code linter +- dotenv - Environment variables + +**For APIs:** +- faraday - HTTP client +- httparty - Simple HTTP +- oj - Fast JSON parser + +**For Background Jobs:** +- sidekiq - Background processing +- clockwork - Scheduling + +**For Databases:** +- pg - PostgreSQL +- sqlite3 - SQLite +- sequel - Database toolkit + +## Examples + +**User:** "Add pry-byebug for debugging" + +**Response:** +``` +Adding pry-byebug to development group: + +```ruby +group :development do + gem 'pry-byebug', '~> 3.10' +end +``` + +Running: bundle install + +✓ Successfully installed pry-byebug 3.10.1 + +Usage: +Add `binding.pry` in your code to set a breakpoint. + +Next step: Try adding a breakpoint in your code and running it. +``` + +**User:** "Update all my gems" + +**Response:** +``` +Checking what's outdated first: + +$ bundle outdated + +Outdated gems: +- rspec: 3.11.0 → 3.12.0 (minor) +- rubocop: 1.45.1 → 1.50.2 (minor) +- nokogiri: 1.14.2 → 1.14.3 (patch) + +Options: +1. Update patch only (safest): bundle update --patch +2. Update minor: bundle update --minor +3. Update all: bundle update + +Which would you prefer? +``` + +## Best Practices + +1. Use pessimistic versioning: `gem 'name', '~> 1.2'` +2. Always commit Gemfile.lock +3. Group gems appropriately +4. Run bundle audit regularly +5. Review changes before committing +6. Test after updating gems +7. Document version pins if needed + +## Error Handling + +If bundle commands fail: +1. Check Ruby version compatibility +2. Try updating bundler: `gem install bundler` +3. Clear cache: `bundle clean --force` +4. Check for conflicting versions +5. Review Gemfile for typos diff --git a/commands/gem-new.md b/commands/gem-new.md new file mode 100644 index 0000000..51e8cf7 --- /dev/null +++ b/commands/gem-new.md @@ -0,0 +1,365 @@ +--- +description: Scaffold a new Ruby gem with best practices +--- + +You are a gem scaffolding assistant that creates well-structured Ruby gems. + +## Task + +Help users create new Ruby gems following best practices and conventions. + +## Process + +1. **Gather Requirements** + +Ask the user: +- Gem name? +- Test framework? (rspec/minitest) +- License? (MIT/Apache-2.0/GPL-3.0) +- CI? (GitHub Actions/CircleCI/none) +- Code of Conduct? (yes/no) + +2. **Scaffold the Gem** + +```bash +bundle gem gem_name \ + --test=rspec \ + --mit \ + --coc \ + --ci=github +``` + +Options: +- `--test=rspec` or `--test=minitest` +- `--mit`, `--apache`, `--gpl-3` +- `--coc` for Code of Conduct +- `--ci=github` or `--ci=circle` + +3. **Verify Structure** + +Expected structure: +``` +gem_name/ +├── .github/workflows/ci.yml +├── lib/ +│ ├── gem_name/version.rb +│ └── gem_name.rb +├── spec/ +│ ├── spec_helper.rb +│ └── gem_name_spec.rb +├── .gitignore +├── .rubocop.yml +├── CHANGELOG.md +├── CODE_OF_CONDUCT.md +├── Gemfile +├── LICENSE.txt +├── README.md +├── Rakefile +└── gem_name.gemspec +``` + +4. **Customize Gemspec** + +Update gem_name.gemspec: +```ruby +spec.summary = "Brief description" +spec.description = "Longer description" +spec.homepage = "https://github.com/username/gem_name" + +# Add runtime dependencies +spec.add_dependency "example", "~> 1.0" + +# Development dependencies already included +``` + +5. **Set Up Main Module** + +Edit lib/gem_name.rb: +```ruby +# frozen_string_literal: true + +require_relative "gem_name/version" + +module GemName + class Error < StandardError; end + + # Configuration pattern + class << self + attr_accessor :configuration + end + + def self.configure + self.configuration ||= Configuration.new + yield(configuration) + end + + class Configuration + attr_accessor :option1, :option2 + + def initialize + @option1 = "default" + @option2 = "default" + end + end +end +``` + +6. **Provide Next Steps** + +**Immediate:** +```bash +cd gem_name +bundle install +bundle exec rake spec # Run tests +bundle exec rake rubocop # Check style +``` + +**Development:** +1. Add your code in lib/gem_name/ +2. Add tests in spec/ +3. Update README.md with usage examples +4. Update CHANGELOG.md + +**Before Release:** +1. Bump version in lib/gem_name/version.rb +2. Update CHANGELOG.md +3. Commit changes +4. Run `rake release` + +## Common Patterns + +### CLI Gem + +Add to gemspec: +```ruby +spec.bindir = "exe" +spec.executables = ["gem_name"] +``` + +Create exe/gem_name: +```ruby +#!/usr/bin/env ruby + +require "gem_name" +require "gem_name/cli" + +GemName::CLI.start(ARGV) +``` + +Create lib/gem_name/cli.rb: +```ruby +require 'optparse' + +module GemName + class CLI + def self.start(args) + new(args).execute + end + + def initialize(args) + @args = args + @options = {} + end + + def execute + parse_options + # Your logic here + end + + private + + def parse_options + OptionParser.new do |opts| + opts.banner = "Usage: gem_name [options]" + + opts.on("-v", "--version", "Print version") do + puts GemName::VERSION + exit + end + end.parse!(@args) + end + end +end +``` + +### Data Processing Gem + +Add classes following POODR: +```ruby +# lib/gem_name/processor.rb +module GemName + class Processor + def initialize(input, options: {}) + @input = input + @options = options + end + + def process + validate + transform + end + + private + + attr_reader :input, :options + + def validate + raise Error, "Invalid input" unless valid? + end + + def valid? + # Validation logic + end + + def transform + # Processing logic + end + end +end +``` + +### Plugin/Extension Gem + +```ruby +# lib/gem_name/plugin.rb +module GemName + module Plugin + def self.included(base) + base.extend(ClassMethods) + end + + module ClassMethods + def register_plugin(name, klass) + plugins[name] = klass + end + + def plugins + @plugins ||= {} + end + end + end +end +``` + +## Response Format + +**Gem Created:** +``` +✓ Created: gem_name +✓ Test framework: RSpec +✓ License: MIT +✓ CI: GitHub Actions +✓ Code of Conduct: Yes +``` + +**Structure:** +``` +[Show key files created] +``` + +**Next Steps:** +1. cd gem_name +2. Edit lib/gem_name.rb +3. Update gemspec description +4. Add your code +5. Write tests +6. bundle exec rake + +**Suggestions:** +- [Pattern suggestions based on gem type] +- [Testing strategies] +- [Documentation tips] + +## Examples + +**User:** "Create a new gem called data_parser" + +**Response:** +``` +Creating data_parser gem... + +Configuration: +- Test framework: RSpec (default) +- License: MIT (default) +- CI: GitHub Actions +- Code of Conduct: Yes + +$ bundle gem data_parser --test=rspec --mit --coc --ci=github + +✓ Created gem structure +✓ Initialized git repository + +Structure created: +├── lib/data_parser.rb +├── lib/data_parser/version.rb +├── spec/spec_helper.rb +├── data_parser.gemspec +└── README.md + +Next steps: + +1. Navigate to gem: + cd data_parser + +2. Update gemspec: + Edit data_parser.gemspec: + - Add summary + - Add description + - Update homepage + +3. Start coding: + lib/data_parser/parser.rb for your parser class + +4. Add tests: + spec/data_parser/parser_spec.rb + +5. Run tests: + bundle exec rake spec + +Would you like me to: +- Generate a Parser class? +- Set up example tests? +- Add configuration pattern? +``` + +## Validation + +Before creating gem, check: +- [ ] Name is valid (lowercase, underscores) +- [ ] Name not taken on RubyGems.org +- [ ] bundler is installed +- [ ] git is installed + +## Best Practices Checklist + +After scaffolding, remind user: +- [ ] Add meaningful README +- [ ] Write comprehensive tests +- [ ] Set up CI +- [ ] Use semantic versioning +- [ ] Maintain CHANGELOG +- [ ] Document public API +- [ ] Add code examples +- [ ] Keep dependencies minimal +- [ ] Test on multiple Ruby versions +- [ ] Follow Ruby style guide + +## Publishing Checklist + +Before first release: +- [ ] All tests passing +- [ ] RuboCop clean +- [ ] README complete +- [ ] CHANGELOG updated +- [ ] Version set (0.1.0) +- [ ] RubyGems.org account ready +- [ ] Git repository pushed + +```bash +# Setup RubyGems credentials +curl -u username https://rubygems.org/api/v1/api_key.yaml > ~/.gem/credentials +chmod 0600 ~/.gem/credentials + +# Release +rake release +``` diff --git a/commands/refactor.md b/commands/refactor.md new file mode 100644 index 0000000..c4f9e54 --- /dev/null +++ b/commands/refactor.md @@ -0,0 +1,152 @@ +--- +description: Get interactive refactoring suggestions using Sandi Metz's techniques from 99 Bottles +--- + +You are a Ruby refactoring specialist using Sandi Metz's systematic refactoring approach. + +## Task + +Analyze Ruby code and provide step-by-step refactoring guidance following the principles from "99 Bottles of OOP". + +## Process + +1. **Understand the Context** + - Ask the user which file or code section to refactor + - Read the complete file to understand the full context + - Identify related files if dependencies exist + +2. **Identify Code Smells** + - Conditional complexity + - Duplication (but avoid premature DRY) + - Unclear responsibilities + - Long methods (>5 lines per Sandi's rules) + - Long parameter lists (>4 parameters) + - Feature envy + - Primitive obsession + +3. **Propose Refactoring Strategy** + +Present options to the user: + +**Code Smell Detected:** +[Describe the issue] + +**Suggested Refactoring Techniques:** +1. **[Technique Name]** - [Brief description] + - Complexity: [Low/Medium/High] + - Benefits: [What improves] + - Risks: [What to watch for] + +2. **[Alternative Technique]** - [Brief description] + - Complexity: [Low/Medium/High] + - Benefits: [What improves] + - Risks: [What to watch for] + +**Recommended Approach:** [Your suggestion with rationale] + +4. **Provide Step-by-Step Refactoring** + +Once approach is chosen: + +### Refactoring Plan + +**Goal:** [What we're trying to achieve] + +**Steps:** +1. [First small change] + - Why: [Rationale] + - Safety: [How to verify nothing breaks] + +2. [Next small change] + - Why: [Rationale] + - Safety: [How to verify nothing breaks] + +[Continue for each step] + +### Step 1: [Name] + +**Before:** +```ruby +# Current code +``` + +**After:** +```ruby +# Refactored code +``` + +**Changes:** +- [Specific change made] +- [Why this is better] + +**Verification:** +```bash +# Commands to verify the change works +bundle exec rspec spec/path/to/relevant_spec.rb +``` + +[Repeat for each step] + +### Final Result + +**Complete Refactored Code:** +```ruby +# Full refactored implementation +``` + +**Improvements Achieved:** +- [Benefit 1] +- [Benefit 2] +- [How this makes future changes easier] + +## Key Principles + +- **Shameless Green First**: Working code before beautiful code +- **Small Steps**: Each refactoring should be tiny and safe +- **Keep Tests Green**: Run tests after every change +- **One Change at a Time**: Don't refactor and add features together +- **Follow the Recipes**: Use established refactoring patterns +- **Name Reveals Intent**: Every extracted method should have a clear, descriptive name +- **Wait for Abstraction**: Need 3+ examples before extracting abstract class + +## Refactoring Techniques + +### Flocking Rules +For similar but different code: +1. Select most alike things +2. Find smallest difference +3. Make simplest change to remove difference + +### Replace Conditional with Polymorphism +- Extract factory method +- Create base class/module +- Create specialized subclasses +- Move conditional logic to class selection + +### Extract Method +- Identify cohesive code block +- Create well-named method +- Replace inline code with method call +- Ensure single responsibility + +### Extract Class +- Identify separate responsibility +- Create new class +- Move related methods and data +- Update original class to use new class + +## Interactive Mode + +Ask the user: +1. Which refactoring approach to use? +2. Should I apply the refactoring or just show the plan? +3. Should I run tests after each step? +4. Are there specific concerns or constraints? + +## Remember + +- Refactoring is about making future changes easier +- Sometimes the code is fine as-is +- Don't over-engineer simple problems +- Trust the process, even when it seems roundabout +- The goal is changeable code, not perfect code diff --git a/commands/review-ruby.md b/commands/review-ruby.md new file mode 100644 index 0000000..399125a --- /dev/null +++ b/commands/review-ruby.md @@ -0,0 +1,80 @@ +--- +description: Review Ruby code for POODR principles, SOLID design, and Ruby best practices +--- + +You are performing a Ruby code review focused on object-oriented design and Ruby best practices. + +## Task + +Review the current changes in the repository for: +1. POODR (Practical Object-Oriented Design) principles +2. SOLID principles compliance +3. Ruby idioms and best practices +4. Sandi Metz's refactoring patterns +5. Common Ruby patterns (data objects, serialization, logging, error handling) + +## Process + +1. **Examine Current Changes** + - Run `git diff` to see unstaged changes + - Run `git diff --staged` to see staged changes + - Identify all Ruby files that have been modified + +2. **Read Modified Files** + - Read the complete context of each modified Ruby file + - Understand the purpose and responsibilities of each class + +3. **Apply Review Criteria** + - Single Responsibility Principle + - Proper dependency injection and isolation + - Clear public/private interface design + - Appropriate use of Ruby idioms + - Duck typing and Law of Demeter + - Inheritance vs composition trade-offs + - Test considerations + +4. **Provide Structured Feedback** + +**Format:** + +### Files Reviewed +- List each file with line references + +### Strengths +- Highlight good design decisions +- Note proper use of patterns + +### Design Concerns + +For each issue: +**[Priority: High/Medium/Low] - [Category]** +- **Location**: file_path:line_number +- **Issue**: Describe the problem +- **Why It Matters**: Explain the principle violated +- **Suggested Fix**: Provide concrete refactoring example + +### Code Examples + +Show before/after for key suggestions: + +```ruby +# Before - Current implementation +# Explain the issue + +# After - Suggested refactoring +# Explain the improvement +``` + +### Summary +- Overall assessment +- Priority order for addressing issues +- Positive notes to reinforce good practices + +## Important + +- Be constructive and educational +- Focus on maintainability and changeability +- Explain the "why" behind suggestions +- Provide actionable, concrete recommendations +- Balance perfectionism with pragmatism +- Consider the cost of change vs benefit diff --git a/commands/ruby-style.md b/commands/ruby-style.md new file mode 100644 index 0000000..7236475 --- /dev/null +++ b/commands/ruby-style.md @@ -0,0 +1,81 @@ +--- +description: Run RuboCop and apply style fixes +--- + +You are a Ruby style checker using RuboCop. + +## Task + +Run RuboCop to check Ruby code style and offer to fix violations. + +## Process + +1. **Determine Scope** + - Check all Ruby files? + - Check specific files? + - Check only modified files (git diff)? + - Check staged files (git diff --cached)? + +2. **Run RuboCop** + +```bash +# All files +bundle exec rubocop + +# Specific files +bundle exec rubocop lib/user.rb spec/user_spec.rb + +# Auto-correct safe violations +bundle exec rubocop -a + +# Auto-correct all violations (including unsafe) +bundle exec rubocop -A + +# Only modified files +git diff --name-only --diff-filter=AM | grep '\.rb$' | xargs bundle exec rubocop +``` + +3. **Present Results** + +### Style Violations Summary + +**Total Files:** [count] +**Total Offenses:** [count] +**Auto-correctable:** [count] + +### Violations by Category + +**[Category Name]** ([count] offenses) +- [Brief description of what this cop checks] + +**[Category Name]** ([count] offenses) +- [Brief description] + +### Top Violations + +1. **[Cop Name]**: [count] occurrences + - **What:** [Explanation] + - **Why:** [Rationale for the rule] + - **Example:** + ```ruby + # Bad + [example] + + # Good + [example] + ``` + +2. **[Cop Name]**: [count] occurrences + [Same format] + +### Actions Available + +1. Auto-fix safe violations: `bundle exec rubocop -a` +2. Auto-fix all violations: `bundle exec rubocop -A` +3. Show specific offense details +4. Update .rubocop.yml to disable specific cops + +Would you like me to: +- Apply auto-fixes? +- Explain specific violations? +- Update RuboCop configuration? diff --git a/commands/ruby-test.md b/commands/ruby-test.md new file mode 100644 index 0000000..1a783d0 --- /dev/null +++ b/commands/ruby-test.md @@ -0,0 +1,199 @@ +--- +description: Run RSpec tests with intelligent filtering and analysis +--- + +You are a Ruby testing assistant that helps run and analyze RSpec tests. + +## Task + +Execute RSpec tests intelligently based on the current context and provide meaningful analysis of results. + +## Process + +1. **Determine Test Scope** + +Ask the user or infer from context: +- Run all tests? +- Run tests for specific file(s)? +- Run tests matching a pattern? +- Run only failures from last run? +- Run tests related to recent changes? + +If context suggests specific files (e.g., user just modified `lib/user.rb`), suggest: +```bash +bundle exec rspec spec/user_spec.rb +``` + +2. **Execute Tests** + +Run the appropriate RSpec command: + +```bash +# All tests +bundle exec rspec + +# Specific file +bundle exec rspec spec/path/to/file_spec.rb + +# Specific line +bundle exec rspec spec/path/to/file_spec.rb:42 + +# Pattern matching +bundle exec rspec --pattern 'spec/**/*_integration_spec.rb' + +# Only failures +bundle exec rspec --only-failures + +# With documentation format +bundle exec rspec --format documentation +``` + +3. **Analyze Results** + +Parse the output and provide structured feedback: + +### Test Results Summary + +**Status:** [Passing/Failing] +**Total Examples:** [count] +**Failures:** [count] +**Pending:** [count] +**Duration:** [time] + +### Failures Analysis + +For each failure: + +**[Example Description]** +- **Location:** spec/path/to/file_spec.rb:line +- **Error Type:** [e.g., ExpectationNotMetError, NoMethodError] +- **Message:** [failure message] +- **Likely Cause:** [Your analysis] +- **Suggested Fix:** [Concrete suggestion] + +### Code Issues Identified + +If failures reveal design problems: + +**[Pattern/Issue]** +- **Affected Tests:** [List] +- **Root Cause:** [Analysis] +- **Refactoring Suggestion:** [How to fix the design] + +### Recommendations + +1. [Immediate fixes needed] +2. [Design improvements to consider] +3. [Additional test coverage suggested] + +## Test Coverage Suggestions + +If relevant, suggest additional tests: + +**Missing Test Cases:** +- Edge case: [description] +- Error handling: [description] +- Integration: [description] + +**Example Test:** +```ruby +RSpec.describe YourClass do + context 'when edge case occurs' do + it 'handles gracefully' do + # Suggested test + end + end +end +``` + +## Smart Context Detection + +Auto-detect test scope based on: +- Recent file changes (`git diff` output) +- Files currently open in editor +- Previous test failures +- Modified spec files + +## RSpec Best Practices + +When analyzing tests, check for: +- Proper use of `describe`/`context`/`it` structure +- Clear, descriptive test names +- Single assertion per test (when appropriate) +- Proper use of `let`, `let!`, `before` hooks +- Shared examples for common behavior +- Factory usage vs fixtures +- Test isolation (no dependencies between tests) + +## Performance Considerations + +If tests are slow: +- Identify slowest examples +- Suggest optimizations (use of `let` vs `let!`, database cleanup strategies) +- Recommend focused test runs during development + +## Common Failure Patterns + +**NoMethodError:** +- Missing method implementation +- Nil object (check for proper object initialization) +- Wrong object type (check factory/test setup) + +**ExpectationNotMetError:** +- Logic error in implementation +- Test expectation incorrect +- Missing edge case handling + +**Database/Factory Issues:** +- Incorrect factory setup +- Database state pollution +- Missing associations + +## Example Output + +``` +Running tests for recently modified files... + +$ bundle exec rspec spec/user_spec.rb spec/account_spec.rb + +Test Results Summary +Status: Failing +Total: 47 examples +Failures: 3 +Pending: 1 +Duration: 2.34 seconds + +Failures Analysis + +1. User#full_name returns first and last name + Location: spec/user_spec.rb:23 + Error: Expected "John Doe" but got "John" + Likely Cause: Missing last_name attribute in User model + Suggested Fix: Check User#full_name method implementation at lib/user.rb:15 + +2. Account.build creates account from API response + Location: spec/account_spec.rb:45 + Error: NoMethodError: undefined method `account_number' for nil:NilClass + Likely Cause: API response parsing not handling missing fields + Suggested Fix: Add nil check in Account.build method + +Recommendations + +Priority 1: Fix User#full_name to include last_name +Priority 2: Add defensive nil handling in Account.build +Priority 3: Consider adding validation for required fields + +Would you like me to: +1. Show the failing code? +2. Suggest fixes? +3. Run specific tests? +``` + +## Interactive Options + +After showing results, offer: +- View failing test code +- View implementation code +- Suggest fixes +- Run failed tests only +- Run tests in different modes (documentation, profile) diff --git a/hooks/analyze-and-log-smells.md b/hooks/analyze-and-log-smells.md new file mode 100644 index 0000000..0ca00ed --- /dev/null +++ b/hooks/analyze-and-log-smells.md @@ -0,0 +1,231 @@ +# Code Smell Logger Hook + +This hook analyzes Ruby files after they're written and logs detected code smells to help track refactoring opportunities. + +## Trigger + +- Event: post-write +- Pattern: **/*.rb + +## Purpose + +Maintain a running log of code smells to: +- Track refactoring debt over time +- Prioritize refactoring efforts +- Learn from recurring patterns +- Monitor code quality trends + +## Analysis Process + +### 1. Detect Code Smells + +Analyze the file for common smells based on Sandi Metz's principles: + +**Complexity Smells:** +- Methods longer than 5 lines +- Classes longer than 100 lines +- Cyclomatic complexity > 3 +- Nested conditionals (depth > 2) +- Long parameter lists (> 4 parameters) + +**Design Smells:** +- Missing dependency injection +- Feature envy (accessing other objects' data) +- Data clumps (same parameters used together) +- Primitive obsession +- Law of Demeter violations (chained method calls) + +**OO Design Smells:** +- Missing single responsibility +- Unclear public/private interface +- Deep inheritance (> 1 level) +- Missing abstraction opportunities +- Duplication (similar code patterns) + +**Ruby-Specific Smells:** +- Missing frozen_string_literal +- Not using Ruby iterators (using for loops) +- Not using blocks/yield appropriately +- Missing null object pattern where appropriate +- Overly complex conditionals vs polymorphism + +### 2. Calculate Severity + +**High Priority:** +- Multiple responsibilities in one class +- Deep nesting (> 2 levels) +- Methods > 10 lines +- Clear SOLID violations + +**Medium Priority:** +- Methods 6-10 lines +- Missing dependency injection +- Law of Demeter violations +- Primitive obsession + +**Low Priority:** +- Methods exactly 5 lines +- Minor style issues +- Potential improvements (not violations) + +### 3. Log Format + +Append to `.claude/code-smells.log`: + +``` +[TIMESTAMP] - [FILE_PATH] +Severity: [HIGH/MEDIUM/LOW] +Smell: [SMELL_NAME] +Location: [CLASS_NAME]#[METHOD_NAME] (lines X-Y) +Description: [Specific issue detected] +Suggestion: [Refactoring approach] +Related Pattern: [POODR principle or pattern] +--- +``` + +## Example Output + +``` +2025-11-01 14:23:15 - lib/user_service.rb +Severity: HIGH +Smell: God Object / Multiple Responsibilities +Location: UserService (lines 1-156) +Description: Class has 8 public methods handling authentication, validation, email sending, and database operations +Suggestion: Extract into separate services: UserAuthenticator, UserValidator, UserMailer, UserRepository +Related Pattern: Single Responsibility Principle (POODR Ch. 2) +--- + +2025-11-01 14:23:15 - lib/user_service.rb +Severity: MEDIUM +Smell: Long Method +Location: UserService#create_user (lines 23-42) +Description: Method is 19 lines, handles validation, creation, and email sending +Suggestion: Extract methods: validate_user_data, persist_user, send_welcome_email +Related Pattern: Small Methods (Sandi's Rules) +--- + +2025-11-01 14:23:15 - lib/order_processor.rb +Severity: MEDIUM +Smell: Missing Dependency Injection +Location: OrderProcessor#process (line 15) +Description: Hard-coded instantiation of EmailMailer.new inside method +Suggestion: Inject mailer dependency through constructor +Related Pattern: Dependency Injection (POODR Ch. 3) +--- + +2025-11-01 14:23:15 - lib/payment_handler.rb +Severity: LOW +Smell: Primitive Obsession +Location: PaymentHandler#validate_card (lines 8-12) +Description: Using string for credit card number validation +Suggestion: Create CreditCard value object with validation +Related Pattern: Value Object pattern +--- +``` + +## Response to User + +After logging, provide a brief summary: + +**Code Smell Analysis Complete** + +Analyzed: [file_path] + +**Detected Issues:** +- 1 High Priority: God Object in UserService +- 2 Medium Priority: Long method, missing DI +- 1 Low Priority: Primitive obsession + +**Top Recommendation:** +Extract UserService into separate concerns following Single Responsibility Principle. + +Full details logged to `.claude/code-smells.log` + +**Quick Actions:** +- Run `/refactor` to get detailed refactoring plan +- Run `/review-ruby` for comprehensive code review +- View log: `cat .claude/code-smells.log | tail -20` + +## Log Management + +### View Recent Smells +```bash +# Last 20 entries +tail -20 .claude/code-smells.log + +# Smells from specific file +grep "lib/user.rb" .claude/code-smells.log + +# High priority only +grep "Severity: HIGH" .claude/code-smells.log + +# By smell type +grep "Smell: Long Method" .claude/code-smells.log +``` + +### Generate Summary Report +```bash +# Count by severity +grep -c "Severity: HIGH" .claude/code-smells.log +grep -c "Severity: MEDIUM" .claude/code-smells.log +grep -c "Severity: LOW" .claude/code-smells.log + +# Most common smells +grep "Smell:" .claude/code-smells.log | sort | uniq -c | sort -rn +``` + +## Configuration + +Customize in `.claude/settings.json`: + +```json +{ + "plugins": { + "rubyist": { + "codeSmellLogging": { + "enabled": true, + "logPath": ".claude/code-smells.log", + "severityThreshold": "MEDIUM", + "excludePatterns": [ + "**/*_spec.rb", + "db/migrate/**", + "lib/generated/**" + ], + "autoRefactorSuggestions": true + } + } + } +} +``` + +## Integration with Refactoring Workflow + +The log helps prioritize refactoring: + +1. **Review accumulated smells** weekly/sprint +2. **Prioritize by frequency** (same smell in multiple files) +3. **Track improvements** (smell resolution over time) +4. **Learn patterns** (recurring issues suggest training needs) + +## Educational Benefit + +Over time, the log becomes a learning tool: +- See which smells occur most frequently +- Understand which POODR principles need focus +- Track improvement in code quality +- Share patterns with team + +## Privacy Note + +The log is local to the repository and should be added to `.gitignore` unless team wants to track collectively: + +``` +# .gitignore +.claude/code-smells.log +``` + +Or commit for team awareness: +``` +# Track team code quality +!.claude/code-smells.log +``` diff --git a/hooks/hooks.json b/hooks/hooks.json new file mode 100644 index 0000000..95f0891 --- /dev/null +++ b/hooks/hooks.json @@ -0,0 +1,35 @@ +{ + "hooks": [ + { + "name": "ruby-pre-commit", + "description": "Run RuboCop on staged Ruby files before commit", + "event": "pre-commit", + "command": "git diff --cached --name-only --diff-filter=ACM | grep '\\.rb$' | xargs -r bundle exec rubocop --force-exclusion", + "continueOnError": false, + "enabled": true + }, + { + "name": "ruby-post-write", + "description": "Suggest tests for newly created Ruby files", + "event": "post-write", + "pattern": "**/*.rb", + "excludePattern": "**/*_spec.rb", + "action": "suggest-tests" + }, + { + "name": "code-smell-logger", + "description": "Log detected code smells after file writes to aid refactoring tracking", + "event": "post-write", + "pattern": "**/*.rb", + "action": "analyze-and-log-smells" + }, + { + "name": "ruby-test-on-save", + "description": "Run related tests when Ruby files are saved", + "event": "post-write", + "pattern": "lib/**/*.rb", + "action": "run-related-tests", + "enabled": false + } + ] +} diff --git a/hooks/suggest-tests.md b/hooks/suggest-tests.md new file mode 100644 index 0000000..53f1ce5 --- /dev/null +++ b/hooks/suggest-tests.md @@ -0,0 +1,136 @@ +# Suggest Tests Hook + +This hook triggers after writing a new Ruby file and suggests relevant tests. + +## Trigger + +- Event: post-write +- Pattern: **/*.rb (excluding *_spec.rb files) + +## Action + +When a new Ruby file is created or significantly modified, analyze the file and suggest appropriate tests. + +## Analysis Process + +1. **Read the File** + - Determine the class/module name + - Identify public methods + - Note any dependencies or collaborators + - Identify edge cases from code structure + +2. **Check for Existing Tests** + - Look for corresponding spec file (e.g., `lib/user.rb` → `spec/user_spec.rb`) + - If exists, check coverage of new methods + - If missing, offer to create spec file + +3. **Generate Test Suggestions** + +Based on the code structure, suggest tests for: + +### Public Methods +- Happy path (normal operation) +- Edge cases (boundary conditions) +- Error cases (invalid inputs) +- Null cases (nil/empty values) + +### Class Responsibilities +- Single Responsibility compliance +- Interface clarity +- Dependency injection points + +### Common Patterns +- Data object serialization (to_h, to_json) +- Factory methods (build, from_json, from_h) +- Validation logic +- Error handling +- State management + +## Response Format + +**New File Detected: [file_path]** + +I noticed you created/modified a Ruby file with: +- Class: [ClassName] +- Public methods: [method1, method2, method3] +- Dependencies: [list] + +**Test File Status:** +- [ ] Spec file exists at: [spec_path] +- [ ] No spec file found + +**Suggested Tests:** + +```ruby +# spec/path/to/class_spec.rb +require 'spec_helper' + +RSpec.describe ClassName do + describe '.build' do + it 'creates instance from hash attributes' do + # Test factory method + end + + context 'with missing attributes' do + it 'handles gracefully' do + # Test edge case + end + end + end + + describe '#public_method' do + let(:instance) { described_class.new(dependencies) } + + it 'performs expected behavior' do + # Happy path test + end + + context 'when error condition occurs' do + it 'raises appropriate exception' do + # Error handling test + end + end + end + + describe '#to_h' do + it 'serializes to hash with expected keys' do + # Serialization test + end + end +end +``` + +**Additional Considerations:** +- [ ] Test dependency injection +- [ ] Test error handling for [specific method] +- [ ] Test edge case: [description] +- [ ] Add integration test for [interaction] + +Would you like me to: +1. Create the spec file with these tests? +2. Add tests for specific methods? +3. 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\ No newline at end of file diff --git a/skills/ruby-bundler/SKILL.md b/skills/ruby-bundler/SKILL.md new file mode 100644 index 0000000..12dd297 --- /dev/null +++ b/skills/ruby-bundler/SKILL.md @@ -0,0 +1,412 @@ +# Ruby Bundler Skill + +Intelligent Bundler operations for managing Ruby dependencies. + +## When to Activate + +This skill activates when: +- User requests to install gems or dependencies +- User mentions Gemfile or bundle commands +- User asks about dependency management +- Gemfile.lock conflicts detected +- Missing gem errors occur + +## Core Capabilities + +### 1. Install Dependencies + +**Basic Installation:** +```bash +bundle install +``` + +**Install for specific groups:** +```bash +# Development and test only +bundle install --without production + +# Production only +bundle install --deployment +``` + +**Update Bundler first if needed:** +```bash +gem install bundler +bundle install +``` + +### 2. Add New Gems + +**Interactive Gem Addition:** + +When user requests: "Add [gem_name] gem" + +1. **Check if gem exists:** + - Search RubyGems.org + - Show latest version + - Show brief description + +2. **Suggest Gemfile entry:** +```ruby +# For runtime dependency +gem 'gem_name', '~> X.Y' + +# For development/test +group :development, :test do + gem 'gem_name', '~> X.Y' +end + +# For test only +group :test do + gem 'rspec', '~> 3.12' +end +``` + +3. **Add to appropriate group:** + - Runtime dependencies → main section + - Testing tools → :test group + - Development tools → :development group + - Code quality → :development (rubocop, etc.) + +4. **Install the gem:** +```bash +bundle install +``` + +5. **Verify installation:** +```bash +bundle list | grep gem_name +``` + +### 3. Update Dependencies + +**Update all gems:** +```bash +bundle update +``` + +**Update specific gem:** +```bash +bundle update gem_name +``` + +**Update conservatively (patch versions only):** +```bash +bundle update --patch +``` + +**Update minor versions:** +```bash +bundle update --minor +``` + +### 4. Audit for Security + +**Check for vulnerabilities:** +```bash +bundle audit +``` + +**Install bundler-audit if missing:** +```bash +gem install bundler-audit +bundle audit +``` + +**Update vulnerable gems:** +```bash +bundle audit check --update +``` + +### 5. Clean Up + +**Remove unused gems:** +```bash +bundle clean +``` + +**Clean with forced removal:** +```bash +bundle clean --force +``` + +### 6. Troubleshoot Issues + +**Common Issues & Solutions:** + +**Issue: "Could not find gem 'X'"** +```bash +# Solution 1: Update bundler +gem install bundler +bundle install + +# Solution 2: Clear cache +bundle clean --force +bundle install + +# Solution 3: Update Gemfile.lock +rm Gemfile.lock +bundle install +``` + +**Issue: Version conflicts** +```bash +# Show dependency tree +bundle viz --without production + +# Or use bundle info +bundle info gem_name +``` + +**Issue: Platform-specific gems** +```ruby +# In Gemfile +gem 'pg', platforms: :ruby +gem 'sqlite3', platforms: [:mingw, :mswin, :x64_mingw, :jruby] +``` + +### 7. Gem Information + +**Show gem details:** +```bash +bundle info gem_name +``` + +**List all gems:** +```bash +bundle list +``` + +**Show outdated gems:** +```bash +bundle outdated +``` + +## Interactive Workflows + +### Workflow 1: Add New Gem + +**User Request:** "Add pry-byebug for debugging" + +**Response:** +``` +I'll add pry-byebug to your Gemfile. + +Gem: pry-byebug +Latest Version: 3.10.1 +Description: Combines pry with byebug for debugging + +This is a development tool, so I'll add it to the :development group. + +Adding to Gemfile: +```ruby +group :development do + gem 'pry-byebug', '~> 3.10' +end +``` + +Running bundle install... +✓ Successfully installed pry-byebug 3.10.1 + +You can now use it by adding `binding.pry` in your code. +``` + +### Workflow 2: Update Dependencies + +**User Request:** "Update all my gems" + +**Response:** +``` +Before updating, let me check what's outdated: + +Outdated gems: +- rspec: 3.11.0 → 3.12.0 (minor update) +- rubocop: 1.45.1 → 1.50.2 (minor update) +- nokogiri: 1.14.2 → 1.14.3 (patch update) + +Recommendation: +1. Update patch versions first (safest): bundle update --patch +2. Update minor versions: bundle update --minor +3. Update all: bundle update + +Would you like me to: +a) Update patch versions only (safest) +b) Update minor versions +c) Update everything +d) Update specific gems only +``` + +### Workflow 3: Security Audit + +**User Request:** "Check for security issues" + +**Response:** +``` +Running security audit with bundler-audit... + +Found 2 vulnerabilities: + +1. HIGH: CVE-2023-XXXX in nokogiri (1.14.2) + Solution: Update to >= 1.14.3 + +2. MEDIUM: CVE-2023-YYYY in rack (2.2.6) + Solution: Update to >= 2.2.7 + +Recommended action: +bundle update nokogiri rack + +Would you like me to update these gems now? +``` + +## Smart Suggestions + +### Suggest Missing Gems + +When user writes code using common patterns, suggest relevant gems: + +**Pattern: API calls** +```ruby +# User writes HTTP client code +"I notice you're making HTTP requests. Consider adding:" +gem 'faraday', '~> 2.7' # Modern HTTP client +# or +gem 'httparty', '~> 0.21' # Simple HTTP client +``` + +**Pattern: JSON parsing** +```ruby +# User parses JSON +"For better JSON handling, consider:" +gem 'oj', '~> 3.14' # Faster JSON parser +``` + +**Pattern: Environment variables** +```ruby +# User uses ENV[] +"For environment management, you already have dotenv in common libs!" +gem 'dotenv', '~> 2.8' +``` + +**Pattern: Background jobs** +```ruby +# User mentions async/background processing +"For background jobs, you commonly use:" +gem 'sidekiq', '~> 7.0' +``` + +## Version Constraint Guidelines + +**Pessimistic versioning (~>):** +```ruby +gem 'rails', '~> 7.0.4' # >= 7.0.4, < 7.1 +gem 'rspec', '~> 3.12' # >= 3.12, < 4.0 +``` + +**Exact version (avoid unless necessary):** +```ruby +gem 'specific_gem', '1.2.3' # Only 1.2.3 +``` + +**Greater than or equal:** +```ruby +gem 'compatible_gem', '>= 2.0' # Any version >= 2.0 +``` + +**Best Practice:** Use pessimistic (~>) for stability + +## Gemfile Organization + +**Recommended Structure:** +```ruby +source 'https://rubygems.org' + +ruby '3.2.0' # Specify Ruby version + +# Core runtime dependencies +gem 'dotenv' +gem 'pg', '~> 1.6' + +# Development tools +group :development do + gem 'pry' + gem 'rubocop', require: false +end + +# Test tools +group :test do + gem 'rspec', '~> 3.12' + gem 'factory_bot', '~> 6.5' + gem 'timecop' +end + +# Development & Test +group :development, :test do + gem 'pry-byebug' +end + +# Platform-specific +platforms :ruby do + gem 'sqlite3', '~> 2.1' +end +``` + +## Response Format + +When performing bundle operations: + +**Action Taken:** +- Command executed +- Result summary + +**Changes:** +- New gems added +- Gems updated (old → new version) +- Gems removed + +**Next Steps:** +- Suggested actions +- Related configuration needed +- Documentation references + +## Configuration + +Users can customize behavior in `.claude/settings.json`: + +```json +{ + "plugins": { + "rubyist": { + "bundler": { + "autoInstall": true, + "suggestGems": true, + "securityAudit": true, + "versionStrategy": "pessimistic" + } + } + } +} +``` + +## Error Handling + +Always wrap bundle commands with error handling: + +```bash +if bundle install; then + echo "✓ Successfully installed dependencies" +else + echo "✗ Installation failed" + echo "Trying with bundle update..." + bundle update +fi +``` + +## Best Practices + +1. **Always review Gemfile changes** before committing +2. **Commit Gemfile.lock** to ensure consistent environments +3. **Use bundle audit regularly** for security +4. **Keep gems updated** but test thoroughly +5. **Group gems appropriately** (development, test, production) +6. **Use pessimistic versioning** for stability +7. **Document why** specific versions are pinned diff --git a/skills/ruby-bundler/scripts/README.md b/skills/ruby-bundler/scripts/README.md new file mode 100644 index 0000000..dbb3804 --- /dev/null +++ b/skills/ruby-bundler/scripts/README.md @@ -0,0 +1,98 @@ +# Bundler Utility Scripts + +Executable shell scripts for common Bundler operations. + +## Scripts + +### bundle_install.sh +Install Ruby dependencies with error handling. + +```bash +# Basic install +./bundle_install.sh + +# Install with options +./bundle_install.sh --without production + +# Install for deployment +./bundle_install.sh --deployment +``` + +**Features:** +- Checks for Gemfile existence +- Auto-installs bundler if missing +- Shows helpful error messages +- Lists installed gems + +### bundle_add.sh +Add a gem to Gemfile and install it. + +```bash +# Add to main section +./bundle_add.sh pry-byebug '~> 3.10' + +# Add to development group +./bundle_add.sh rubocop '~> 1.50' --group=development + +# Add to test group +./bundle_add.sh rspec --group=test +``` + +**Features:** +- Automatically detects/creates gem groups +- Adds version constraints +- Runs bundle install +- Shows gem info after install + +### bundle_update.sh +Update gems with safety levels. + +```bash +# Show outdated gems (no changes) +./bundle_update.sh conservative + +# Update patch versions only (safest) +./bundle_update.sh patch + +# Update minor versions +./bundle_update.sh minor + +# Update all gems +./bundle_update.sh all + +# Update specific gem +./bundle_update.sh nokogiri +``` + +**Features:** +- Multiple safety modes +- Shows git diff of Gemfile.lock changes +- Conservative default (shows outdated only) + +### bundle_audit.sh +Security audit for dependencies. + +```bash +./bundle_audit.sh +``` + +**Features:** +- Auto-installs bundler-audit if needed +- Updates vulnerability database +- Shows vulnerabilities with fix suggestions +- Returns non-zero exit code if vulnerabilities found + +## Usage in Skills + +These scripts can be called by the ruby-bundler skill: + +```ruby +# From skill +system("#{PLUGIN_DIR}/skills/ruby-bundler/scripts/bundle_install.sh") +``` + +## Requirements + +- Ruby installed +- Git (for bundle_update.sh diff) +- bundler gem (auto-installed if missing) diff --git a/skills/ruby-bundler/scripts/bundle_add.sh b/skills/ruby-bundler/scripts/bundle_add.sh new file mode 100755 index 0000000..6493284 --- /dev/null +++ b/skills/ruby-bundler/scripts/bundle_add.sh @@ -0,0 +1,69 @@ +#!/usr/bin/env bash +# Add a gem to Gemfile and install it + +set -e + +if [ $# -eq 0 ]; then + echo "Usage: $0 [version] [--group=GROUP]" + echo "Example: $0 pry-byebug '~> 3.10' --group=development" + exit 1 +fi + +GEM_NAME=$1 +VERSION=${2:-} +GROUP="" + +# Parse group argument +for arg in "$@"; do + if [[ $arg == --group=* ]]; then + GROUP="${arg#*=}" + fi +done + +echo "📦 Adding gem: $GEM_NAME" + +# Check if Gemfile exists +if [ ! -f "Gemfile" ]; then + echo "❌ Error: No Gemfile found" + exit 1 +fi + +# Determine gem line to add +if [ -n "$VERSION" ] && [[ ! $VERSION == --* ]]; then + GEM_LINE="gem '$GEM_NAME', '$VERSION'" +else + GEM_LINE="gem '$GEM_NAME'" +fi + +# Add to appropriate group +if [ -n "$GROUP" ]; then + echo "Adding to group: $GROUP" + + # Check if group exists + if grep -q "group :$GROUP do" Gemfile; then + # Add to existing group (before the 'end') + sed -i.bak "/group :$GROUP do/a\\ + $GEM_LINE +" Gemfile && rm Gemfile.bak + else + # Create new group at end of file + echo "" >> Gemfile + echo "group :$GROUP do" >> Gemfile + echo " $GEM_LINE" >> Gemfile + echo "end" >> Gemfile + fi +else + # Add to main section (after source line) + sed -i.bak "/^source /a\\ +$GEM_LINE +" Gemfile && rm Gemfile.bak +fi + +echo "✅ Added to Gemfile" +echo "" +echo "Running bundle install..." +bundle install + +echo "" +echo "✅ Gem installed successfully" +bundle info "$GEM_NAME" diff --git a/skills/ruby-bundler/scripts/bundle_audit.sh b/skills/ruby-bundler/scripts/bundle_audit.sh new file mode 100755 index 0000000..983f001 --- /dev/null +++ b/skills/ruby-bundler/scripts/bundle_audit.sh @@ -0,0 +1,32 @@ +#!/usr/bin/env bash +# Security audit for Ruby dependencies + +set -e + +echo "🔒 Running security audit..." + +# Check if bundler-audit is installed +if ! gem list bundler-audit -i &> /dev/null; then + echo "📦 Installing bundler-audit..." + gem install bundler-audit + bundle audit --update +fi + +# Update vulnerability database +echo "Updating vulnerability database..." +bundle audit --update + +# Run audit +echo "" +echo "Checking for vulnerabilities..." +if bundle audit check; then + echo "" + echo "✅ No vulnerabilities found!" +else + echo "" + echo "❌ Vulnerabilities detected!" + echo "" + echo "To fix, run:" + echo " bundle update " + exit 1 +fi diff --git a/skills/ruby-bundler/scripts/bundle_install.sh b/skills/ruby-bundler/scripts/bundle_install.sh new file mode 100755 index 0000000..8ff05e5 --- /dev/null +++ b/skills/ruby-bundler/scripts/bundle_install.sh @@ -0,0 +1,39 @@ +#!/usr/bin/env bash +# Bundle install with error handling and helpful output + +set -e + +echo "📦 Installing Ruby dependencies..." + +# Check if Gemfile exists +if [ ! -f "Gemfile" ]; then + echo "❌ Error: No Gemfile found in current directory" + exit 1 +fi + +# Check if bundler is installed +if ! command -v bundle &> /dev/null; then + echo "⚠️ Bundler not found. Installing bundler..." + gem install bundler +fi + +# Show bundler version +echo "Using bundler version: $(bundle --version)" + +# Run bundle install with options +if bundle install "$@"; then + echo "✅ Dependencies installed successfully" + echo "" + echo "Installed gems:" + bundle list --name-only | head -10 + total=$(bundle list --name-only | wc -l) + echo "... and $(($total - 10)) more gems" +else + echo "❌ Bundle install failed" + echo "" + echo "Troubleshooting steps:" + echo "1. Try: rm Gemfile.lock && bundle install" + echo "2. Update bundler: gem install bundler" + echo "3. Check Ruby version: ruby --version" + exit 1 +fi diff --git a/skills/ruby-bundler/scripts/bundle_update.sh b/skills/ruby-bundler/scripts/bundle_update.sh new file mode 100755 index 0000000..aaebf35 --- /dev/null +++ b/skills/ruby-bundler/scripts/bundle_update.sh @@ -0,0 +1,40 @@ +#!/usr/bin/env bash +# Update gems with safety options + +set -e + +MODE=${1:-conservative} + +echo "📦 Updating Ruby gems (mode: $MODE)..." + +case "$MODE" in + patch) + echo "Updating patch versions only (safest)" + bundle update --patch + ;; + minor) + echo "Updating minor versions" + bundle update --minor + ;; + conservative) + echo "Showing outdated gems first..." + bundle outdated + echo "" + echo "Run with 'patch' or 'minor' or 'all' to update" + exit 0 + ;; + all) + echo "⚠️ Updating all gems (use with caution)" + bundle update + ;; + *) + echo "Updating specific gem: $MODE" + bundle update "$MODE" + ;; +esac + +echo "" +echo "✅ Update complete" +echo "" +echo "Changes:" +git diff Gemfile.lock 2>/dev/null || echo "No git repository found" diff --git a/skills/ruby-gem-scaffolder/SKILL.md b/skills/ruby-gem-scaffolder/SKILL.md new file mode 100644 index 0000000..e780458 --- /dev/null +++ b/skills/ruby-gem-scaffolder/SKILL.md @@ -0,0 +1,634 @@ +# Ruby Gem Scaffolder Skill + +Intelligent gem creation and scaffolding following Ruby best practices. + +## When to Activate + +This skill activates when: +- User requests to create a new gem +- User asks to scaffold a Ruby library +- User wants to extract code into a gem +- User mentions "gemspec" or "gem structure" + +## Core Capabilities + +### 1. Create New Gem + +**Using Bundler (Recommended):** +```bash +bundle gem gem_name + +# With RSpec +bundle gem gem_name --test=rspec + +# With MIT license +bundle gem gem_name --mit + +# With code of conduct +bundle gem gem_name --coc + +# All together +bundle gem gem_name --test=rspec --mit --coc +``` + +**Interactive Creation:** + +When user requests: "Create a new gem called my_awesome_gem" + +Ask clarifying questions: +1. Test framework? (rspec/minitest) +2. License? (MIT/Apache-2.0/GPL-3.0) +3. CI? (GitHub Actions/CircleCI/None) +4. Code of Conduct? (yes/no) + +Then scaffold appropriately. + +### 2. Standard Gem Structure + +``` +my_gem/ +├── .github/ +│ └── workflows/ +│ └── ci.yml # GitHub Actions CI +├── lib/ +│ ├── my_gem/ +│ │ └── version.rb # Version constant +│ └── my_gem.rb # Main entry point +├── spec/ +│ ├── spec_helper.rb # RSpec configuration +│ └── my_gem_spec.rb # Tests +├── .gitignore # Git ignores +├── .rubocop.yml # RuboCop config +├── CHANGELOG.md # Version history +├── CODE_OF_CONDUCT.md # Community guidelines +├── Gemfile # Development dependencies +├── LICENSE.txt # License text +├── README.md # Documentation +├── Rakefile # Rake tasks +└── my_gem.gemspec # Gem specification +``` + +### 3. Generate Gemspec + +**Template gemspec:** +```ruby +# frozen_string_literal: true + +require_relative "lib/my_gem/version" + +Gem::Specification.new do |spec| + spec.name = "my_gem" + spec.version = MyGem::VERSION + spec.authors = ["Your Name"] + spec.email = ["your.email@example.com"] + + spec.summary = "Brief description of your gem" + spec.description = "Longer description of what your gem does" + spec.homepage = "https://github.com/username/my_gem" + spec.license = "MIT" + spec.required_ruby_version = ">= 3.0.0" + + spec.metadata["homepage_uri"] = spec.homepage + spec.metadata["source_code_uri"] = "https://github.com/username/my_gem" + spec.metadata["changelog_uri"] = "https://github.com/username/my_gem/blob/main/CHANGELOG.md" + + # Specify which files should be added to the gem when it is released. + spec.files = Dir.glob("lib/**/*") + %w[ + README.md + LICENSE.txt + CHANGELOG.md + ] + spec.require_paths = ["lib"] + + # Runtime dependencies + # spec.add_dependency "example-gem", "~> 1.0" + + # Development dependencies + spec.add_development_dependency "rake", "~> 13.0" + spec.add_development_dependency "rspec", "~> 3.12" + spec.add_development_dependency "rubocop", "~> 1.50" +end +``` + +### 4. Create Main Entry Point + +**lib/my_gem.rb:** +```ruby +# frozen_string_literal: true + +require_relative "my_gem/version" + +module MyGem + class Error < StandardError; end + + # Your code goes here... + + # Optional: Configuration + class << self + attr_accessor :configuration + end + + def self.configure + self.configuration ||= Configuration.new + yield(configuration) + end + + class Configuration + attr_accessor :option1, :option2 + + def initialize + @option1 = "default_value" + @option2 = "default_value" + end + end +end +``` + +**lib/my_gem/version.rb:** +```ruby +# frozen_string_literal: true + +module MyGem + VERSION = "0.1.0" +end +``` + +### 5. Set Up Testing + +**spec/spec_helper.rb:** +```ruby +# frozen_string_literal: true + +require "my_gem" + +RSpec.configure do |config| + # Enable flags like --only-failures and --next-failure + config.example_status_persistence_file_path = ".rspec_status" + + # Disable RSpec exposing methods globally on `Module` and `main` + config.disable_monkey_patching! + + config.expect_with :rspec do |c| + c.syntax = :expect + end +end +``` + +**spec/my_gem_spec.rb:** +```ruby +# frozen_string_literal: true + +RSpec.describe MyGem do + it "has a version number" do + expect(MyGem::VERSION).not_to be nil + end + + describe ".configure" do + it "yields configuration block" do + MyGem.configure do |config| + config.option1 = "custom_value" + end + + expect(MyGem.configuration.option1).to eq("custom_value") + end + end +end +``` + +### 6. Add Rake Tasks + +**Rakefile:** +```ruby +# frozen_string_literal: true + +require "bundler/gem_tasks" +require "rspec/core/rake_task" +require "rubocop/rake_task" + +RSpec::Core::RakeTask.new(:spec) +RuboCop::RakeTask.new + +task default: %i[spec rubocop] +``` + +**Usage:** +```bash +rake spec # Run tests +rake rubocop # Run linter +rake # Run both (default) +rake build # Build gem +rake install # Install gem locally +rake release # Release to RubyGems +``` + +### 7. CI Configuration + +**GitHub Actions (.github/workflows/ci.yml):** +```yaml +name: CI + +on: + push: + branches: [ main ] + pull_request: + branches: [ main ] + +jobs: + test: + runs-on: ubuntu-latest + strategy: + matrix: + ruby-version: ['3.0', '3.1', '3.2'] + + steps: + - uses: actions/checkout@v3 + + - name: Set up Ruby + uses: ruby/setup-ruby@v1 + with: + ruby-version: ${{ matrix.ruby-version }} + bundler-cache: true + + - name: Run tests + run: bundle exec rake spec + + - name: Run RuboCop + run: bundle exec rake rubocop +``` + +### 8. Documentation Templates + +**README.md structure:** +```markdown +# MyGem + +Brief description of what your gem does. + +## Installation + +Add this line to your application's Gemfile: + +```ruby +gem 'my_gem' +``` + +And then execute: + + $ bundle install + +Or install it yourself as: + + $ gem install my_gem + +## Usage + +```ruby +require 'my_gem' + +# Basic usage +MyGem.do_something + +# With configuration +MyGem.configure do |config| + config.option1 = "value" +end +``` + +## Development + +After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. + +To install this gem onto your local machine, run `bundle exec rake install`. + +## Contributing + +Bug reports and pull requests are welcome on GitHub at https://github.com/username/my_gem. + +## License + +The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT). +``` + +**CHANGELOG.md structure:** +```markdown +# Changelog + +All notable changes to this project will be documented in this file. + +The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), +and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). + +## [Unreleased] + +### Added +- Initial release +- Core functionality + +## [0.1.0] - 2025-01-15 + +### Added +- Initial release +``` + +### 9. Common Gem Patterns + +**Pattern: CLI Gem** +```ruby +# lib/my_gem/cli.rb +require 'optparse' + +module MyGem + class CLI + def self.start(args) + new(args).execute + end + + def initialize(args) + @args = args + @options = {} + end + + def execute + parse_options + # Your CLI logic here + end + + private + + def parse_options + OptionParser.new do |opts| + opts.banner = "Usage: my_gem [options]" + + opts.on("-v", "--version", "Print version") do + puts MyGem::VERSION + exit + end + + opts.on("-h", "--help", "Print help") do + puts opts + exit + end + end.parse!(@args) + end + end +end +``` + +**Pattern: Library with Data Objects** +```ruby +# lib/my_gem/data_object.rb +module MyGem + class DataObject + attr_reader :attribute1, :attribute2 + + def self.build(attributes) + new( + attribute1: attributes[:attribute1], + attribute2: attributes[:attribute2] + ) + end + + def initialize(attribute1:, attribute2:) + @attribute1 = attribute1 + @attribute2 = attribute2 + end + + def to_h + { + attribute1: attribute1, + attribute2: attribute2 + } + end + + def to_json(*args) + to_h.to_json(*args) + end + end +end +``` + +**Pattern: Plugin System** +```ruby +# lib/my_gem/plugin.rb +module MyGem + module Plugin + def self.included(base) + base.extend(ClassMethods) + end + + module ClassMethods + def register_plugin(name, klass) + plugins[name] = klass + end + + def plugins + @plugins ||= {} + end + end + end +end +``` + +### 10. Interactive Workflows + +**Workflow: Create New Gem** + +**User:** "Create a new gem called data_processor" + +**Response:** +``` +I'll help you create the data_processor gem. Let me ask a few questions: + +1. Test framework: RSpec or Minitest? [RSpec] +2. License: MIT, Apache-2.0, GPL-3.0? [MIT] +3. Include GitHub Actions CI? [yes] +4. Include Code of Conduct? [yes] + +Creating gem with: +- Test framework: RSpec +- License: MIT +- CI: GitHub Actions +- Code of Conduct: Yes + +Running: bundle gem data_processor --test=rspec --mit --coc + +✓ Created gem structure +✓ Initialized git repository +✓ Created initial commit + +Next steps: +1. cd data_processor +2. Edit lib/data_processor.rb to add your code +3. Update data_processor.gemspec with description +4. Add tests in spec/ +5. Run: bundle exec rake spec + +Would you like me to: +- Generate a sample data object class? +- Set up CI configuration? +- Create example tests? +``` + +**Workflow: Add Class to Existing Gem** + +**User:** "Add a Parser class to my gem" + +**Response:** +``` +I'll add a Parser class following POODR principles. + +Creating: +1. lib/my_gem/parser.rb +2. spec/my_gem/parser_spec.rb + +lib/my_gem/parser.rb: +```ruby +# frozen_string_literal: true + +module MyGem + class Parser + def initialize(input) + @input = input + end + + def parse + # Implementation here + end + + private + + attr_reader :input + end +end +``` + +spec/my_gem/parser_spec.rb: +```ruby +# frozen_string_literal: true + +RSpec.describe MyGem::Parser do + describe '#parse' do + it 'parses input correctly' do + parser = described_class.new("input") + result = parser.parse + + expect(result).to eq("expected_output") + end + end +end +``` + +Don't forget to require it in lib/my_gem.rb: +```ruby +require_relative "my_gem/parser" +``` + +Would you like me to add the require statement? +``` + +### 11. Version Management + +**Semantic Versioning Guidelines:** + +``` +MAJOR.MINOR.PATCH + +MAJOR: Breaking changes +MINOR: New features (backward compatible) +PATCH: Bug fixes +``` + +**Update version:** +```ruby +# lib/my_gem/version.rb +module MyGem + VERSION = "1.2.3" # Update this +end +``` + +**Add to CHANGELOG.md:** +```markdown +## [1.2.3] - 2025-01-15 + +### Fixed +- Bug in parser when handling edge cases +``` + +### 12. Publishing Checklist + +Before `rake release`: + +- [ ] All tests passing +- [ ] RuboCop clean +- [ ] README updated +- [ ] CHANGELOG updated +- [ ] Version bumped +- [ ] Committed and pushed to GitHub +- [ ] RubyGems.org account configured + +```bash +# First time setup +curl -u username https://rubygems.org/api/v1/api_key.yaml > ~/.gem/credentials +chmod 0600 ~/.gem/credentials + +# Release +rake release +``` + +## Best Practices + +1. **Follow Semantic Versioning** strictly +2. **Write comprehensive README** with examples +3. **Maintain CHANGELOG** for all versions +4. **Keep dependencies minimal** for gems +5. **Test on multiple Ruby versions** in CI +6. **Use frozen_string_literal** in all files +7. **Namespace your gem** to avoid conflicts +8. **Document public API** thoroughly +9. **Keep gemspec metadata** up to date +10. **Use pessimistic versioning** for dependencies + +## Error Prevention + +**Common Mistakes:** + +1. **Missing files in gemspec** + ```ruby + # Bad + spec.files = `git ls-files`.split("\n") + + # Good + spec.files = Dir.glob("lib/**/*") + %w[README.md LICENSE.txt] + ``` + +2. **Not specifying Ruby version** + ```ruby + # Always specify + spec.required_ruby_version = ">= 3.0.0" + ``` + +3. **Including development gems in gemspec** + ```ruby + # Don't do this + spec.add_dependency "rspec" # This is for dev only! + + # Do this + spec.add_development_dependency "rspec" + ``` + +## Response Format + +When scaffolding: + +**Files Created:** +- List each file with brief description + +**Next Steps:** +1. Specific actions to take +2. Commands to run +3. Files to edit + +**Suggestions:** +- Patterns that might be useful +- Additional features to consider +- Testing strategies diff --git a/skills/ruby-gem-scaffolder/scripts/README.md b/skills/ruby-gem-scaffolder/scripts/README.md new file mode 100644 index 0000000..d5f4dd3 --- /dev/null +++ b/skills/ruby-gem-scaffolder/scripts/README.md @@ -0,0 +1,101 @@ +# Gem Scaffolder Scripts + +Executable shell scripts for creating and managing Ruby gems. + +## Scripts + +### create_gem.sh +Create a new Ruby gem with best practices. + +```bash +# Interactive (uses defaults) +./create_gem.sh my_gem + +# With RSpec and MIT license +./create_gem.sh my_gem --test=rspec --mit + +# With Minitest and Apache license +./create_gem.sh my_gem --test=minitest --apache + +# With GitHub Actions CI +./create_gem.sh my_gem --ci=github + +# With Code of Conduct +./create_gem.sh my_gem --coc + +# All options +./create_gem.sh my_gem --test=rspec --mit --ci=github --coc +``` + +**Options:** +- `--test=rspec|minitest` - Test framework (default: rspec) +- `--mit|--apache|--gpl` - License (default: mit) +- `--ci=github|circle` - CI provider +- `--coc` - Add Code of Conduct + +**Creates:** +``` +my_gem/ +├── .github/workflows/ci.yml +├── lib/ +│ ├── my_gem/version.rb +│ └── my_gem.rb +├── spec/ +├── Gemfile +├── Rakefile +└── my_gem.gemspec +``` + +### add_gem_class.sh +Add a new class to an existing gem with test. + +```bash +./add_gem_class.sh my_gem Parser +``` + +**Creates:** +- `lib/my_gem/parser.rb` - Class file with template +- `spec/my_gem/parser_spec.rb` - RSpec test template + +**Features:** +- Follows frozen_string_literal convention +- Proper module namespacing +- Basic class structure with private attr_reader +- Matching spec file with describe blocks +- Reminder to require in main file + +## Example Workflow + +```bash +# 1. Create new gem +./create_gem.sh data_parser --test=rspec --mit --ci=github + +# 2. Navigate to gem +cd data_parser + +# 3. Add a Parser class +../add_gem_class.sh data_parser Parser + +# 4. Add a Formatter class +../add_gem_class.sh data_parser Formatter + +# 5. Install dependencies +bundle install + +# 6. Run tests +bundle exec rake spec +``` + +## Templates + +Both scripts use POODR-compliant templates: +- Dependency injection via initialize +- Private attr_readers +- Clear public/private interfaces +- Frozen string literals +- Proper RSpec structure + +## Requirements + +- bundler gem installed +- git (for gem creation) diff --git a/skills/ruby-gem-scaffolder/scripts/add_gem_class.sh b/skills/ruby-gem-scaffolder/scripts/add_gem_class.sh new file mode 100755 index 0000000..a217464 --- /dev/null +++ b/skills/ruby-gem-scaffolder/scripts/add_gem_class.sh @@ -0,0 +1,61 @@ +#!/usr/bin/env bash +# Add a new class to an existing gem + +set -e + +if [ $# -lt 2 ]; then + echo "Usage: $0 " + echo "Example: $0 my_gem Parser" + exit 1 +fi + +GEM_NAME=$1 +CLASS_NAME=$2 +FILE_NAME=$(echo "$CLASS_NAME" | sed 's/\([A-Z]\)/_\L\1/g;s/^_//') + +echo "📝 Adding class $CLASS_NAME to $GEM_NAME gem..." + +# Create class file +cat > "lib/${GEM_NAME}/${FILE_NAME}.rb" << RUBY +# frozen_string_literal: true + +module $(echo "$GEM_NAME" | sed 's/_\([a-z]\)/\U\1/g;s/^./\U&/') + class $CLASS_NAME + def initialize(input) + @input = input + end + + def process + # Implementation here + end + + private + + attr_reader :input + end +end +RUBY + +# Create spec file +mkdir -p "spec/${GEM_NAME}" +cat > "spec/${GEM_NAME}/${FILE_NAME}_spec.rb" << RUBY +# frozen_string_literal: true + +RSpec.describe $(echo "$GEM_NAME" | sed 's/_\([a-z]\)/\U\1/g;s/^./\U&/')::$CLASS_NAME do + describe '#process' do + it 'processes input correctly' do + instance = described_class.new("test_input") + result = instance.process + + expect(result).to be_nil # Update with actual expectation + end + end +end +RUBY + +echo "✅ Created files:" +echo " - lib/${GEM_NAME}/${FILE_NAME}.rb" +echo " - spec/${GEM_NAME}/${FILE_NAME}_spec.rb" +echo "" +echo "Don't forget to require it in lib/${GEM_NAME}.rb:" +echo " require_relative \"${GEM_NAME}/${FILE_NAME}\"" diff --git a/skills/ruby-gem-scaffolder/scripts/create_gem.sh b/skills/ruby-gem-scaffolder/scripts/create_gem.sh new file mode 100755 index 0000000..e83c0f6 --- /dev/null +++ b/skills/ruby-gem-scaffolder/scripts/create_gem.sh @@ -0,0 +1,84 @@ +#!/usr/bin/env bash +# Create a new Ruby gem with best practices + +set -e + +if [ $# -eq 0 ]; then + echo "Usage: $0 [options]" + echo "" + echo "Options:" + echo " --test=rspec|minitest (default: rspec)" + echo " --mit|--apache|--gpl" + echo " --ci=github|circle" + echo " --coc (add Code of Conduct)" + exit 1 +fi + +GEM_NAME=$1 +shift + +TEST_FRAMEWORK="rspec" +LICENSE="mit" +CI="" +COC="" + +# Parse options +for arg in "$@"; do + case $arg in + --test=*) + TEST_FRAMEWORK="${arg#*=}" + ;; + --mit) + LICENSE="mit" + ;; + --apache) + LICENSE="apache" + ;; + --gpl) + LICENSE="gpl-3" + ;; + --ci=*) + CI="--ci=${arg#*=}" + ;; + --coc) + COC="--coc" + ;; + esac +done + +echo "🔨 Creating gem: $GEM_NAME" +echo " Test framework: $TEST_FRAMEWORK" +echo " License: $LICENSE" +echo "" + +# Check if bundler is installed +if ! command -v bundle &> /dev/null; then + echo "Installing bundler..." + gem install bundler +fi + +# Create gem +bundle gem "$GEM_NAME" \ + --test="$TEST_FRAMEWORK" \ + --"$LICENSE" \ + $CI \ + $COC + +cd "$GEM_NAME" + +echo "" +echo "✅ Gem created successfully!" +echo "" +echo "Structure:" +tree -L 2 -I 'vendor|tmp' || ls -R + +echo "" +echo "Next steps:" +echo " cd $GEM_NAME" +echo " bundle install" +echo " bundle exec rake spec" +echo "" +echo "Edit these files:" +echo " - ${GEM_NAME}.gemspec (add description)" +echo " - lib/${GEM_NAME}.rb (add your code)" +echo " - spec/${GEM_NAME}_spec.rb (add tests)" diff --git a/skills/ruby-pattern-detector/SKILL.md b/skills/ruby-pattern-detector/SKILL.md new file mode 100644 index 0000000..c4e02b7 --- /dev/null +++ b/skills/ruby-pattern-detector/SKILL.md @@ -0,0 +1,342 @@ +# Ruby Pattern Detector Skill + +Automatically detect and suggest common Ruby patterns when working with Ruby code. + +## When to Activate + +This skill activates when: +- Reading or editing Ruby files +- User asks about Ruby patterns or best practices +- Refactoring Ruby code +- Reviewing Ruby code + +## Patterns to Detect + +### 1. Data Object Pattern + +**Detect:** +- Classes with many attr_reader/attr_accessor declarations +- Classes that primarily hold data +- Classes with `to_h` or `to_json` methods + +**Suggest:** +```ruby +class DataObject + # Add .build class method for construction + def self.build(attributes) + new( + name: attributes[:name], + email: attributes[:email] + ) + end + + # Add serialization + def to_h + { + name: name, + email: email + } + end + + # Add factory methods + def self.from_json(json) + build(JSON.parse(json, symbolize_names: true)) + end + + def self.from_h(hash) + build(hash) + end +end +``` + +### 2. Loggable Module Pattern + +**Detect:** +- Classes with logging statements +- Multiple classes that need logging +- Direct Logger instantiation in classes + +**Suggest:** +```ruby +# Create shared Loggable module +module Loggable + def logger + @logger ||= Logger.new(STDOUT).tap do |log| + log.progname = self.class.name + log.level = ENV.fetch('LOG_LEVEL', 'INFO') + end + end +end + +# Include in classes +class MyClass + include Loggable + + def process + logger.info "Processing started" + # ... + logger.debug "Details: #{details}" + end +end +``` + +### 3. Custom Exception Pattern + +**Detect:** +- Raising generic exceptions (RuntimeError, StandardError) +- Classes with domain-specific errors +- Rescue blocks catching broad exceptions + +**Suggest:** +```ruby +# Define custom exceptions +module MyApp + class Error < StandardError; end + class NotFoundError < Error; end + class ValidationError < Error; end + class AuthenticationError < Error; end +end + +# Use specific exceptions +class UserService + def find(id) + user = repository.find(id) + raise MyApp::NotFoundError, "User #{id} not found" unless user + user + end + + def authenticate(credentials) + raise MyApp::ValidationError, "Invalid credentials" if invalid?(credentials) + # ... + rescue SomeExternalError => e + raise MyApp::AuthenticationError, "Auth failed: #{e.message}" + end +end +``` + +### 4. Dependency Injection Pattern + +**Detect:** +- Classes instantiating other classes directly +- Hard-coded dependencies +- Difficult to test classes +- Use of global state or singletons + +**Suggest:** +```ruby +# Before - hard-coded dependency +class OrderProcessor + def process(order) + mailer = EmailMailer.new + mailer.send_confirmation(order) + end +end + +# After - injected dependency +class OrderProcessor + def initialize(mailer: EmailMailer.new) + @mailer = mailer + end + + def process(order) + @mailer.send_confirmation(order) + end +end + +# Easy to test with mock +processor = OrderProcessor.new(mailer: MockMailer.new) +``` + +### 5. Null Object Pattern + +**Detect:** +- Frequent nil checks +- Conditional logic checking for nil +- `try` or `&.` operators used extensively + +**Suggest:** +```ruby +# Create Null Object +class NullUser + def name + "Guest" + end + + def email + nil + end + + def admin? + false + end + + def null? + true + end +end + +# Use in code +class Session + def current_user + @current_user || NullUser.new + end +end + +# No more nil checks needed +session.current_user.name # Returns "Guest" instead of raising error +``` + +### 6. Value Object Pattern + +**Detect:** +- Primitive obsession (lots of strings/integers used as domain concepts) +- Data validation scattered throughout code +- Lack of encapsulation for related data + +**Suggest:** +```ruby +# Before - primitive obsession +def send_email(email_string) + raise "Invalid email" unless email_string =~ /\A[\w+\-.]+@[a-z\d\-]+(\.[a-z\d\-]+)*\.[a-z]+\z/i + # ... +end + +# After - Value Object +class Email + attr_reader :value + + def initialize(value) + @value = value.to_s.downcase.strip + validate! + end + + def ==(other) + value == other.value + end + + def to_s + value + end + + private + + def validate! + raise ArgumentError, "Invalid email: #{value}" unless valid? + end + + def valid? + value =~ /\A[\w+\-.]+@[a-z\d\-]+(\.[a-z\d\-]+)*\.[a-z]+\z/i + end +end + +def send_email(email) + # Email already validated + mailer.send(to: email.to_s) +end +``` + +### 7. Query Object Pattern + +**Detect:** +- Complex ActiveRecord scopes +- Long chains of where clauses +- Business logic in controllers or models + +**Suggest:** +```ruby +# Extract to Query Object +class ActiveUsersQuery + def initialize(relation = User.all) + @relation = relation + end + + def call + @relation + .where(active: true) + .where('last_login_at > ?', 30.days.ago) + .order(created_at: :desc) + end +end + +# Usage +active_users = ActiveUsersQuery.new.call +recent_active_users = ActiveUsersQuery.new(User.where('created_at > ?', 1.week.ago)).call +``` + +### 8. Service Object Pattern + +**Detect:** +- Fat controllers or models +- Complex multi-step operations +- Methods that orchestrate multiple objects + +**Suggest:** +```ruby +class CreateOrderService + def initialize(user:, items:, payment_method:) + @user = user + @items = items + @payment_method = payment_method + end + + def call + ActiveRecord::Base.transaction do + order = create_order + process_payment(order) + send_confirmation(order) + order + end + rescue PaymentError => e + handle_payment_failure(e) + end + + private + + attr_reader :user, :items, :payment_method + + def create_order + # ... + end + + def process_payment(order) + # ... + end + + def send_confirmation(order) + # ... + end +end + +# Usage +result = CreateOrderService.new( + user: current_user, + items: cart.items, + payment_method: params[:payment_method] +).call +``` + +## Activation Response + +When a pattern is detected, respond with: + +**Pattern Detected: [Pattern Name]** + +I noticed [specific code smell or opportunity]. + +This is a good opportunity to use the **[Pattern Name]** pattern, which: +- [Benefit 1] +- [Benefit 2] +- [Benefit 3] + +Would you like me to refactor this code to use this pattern? + +[Show brief before/after example] + +## Guidelines + +- Only suggest patterns when clearly beneficial +- Don't over-engineer simple code +- Explain the "why" behind each pattern suggestion +- Provide concrete code examples +- Consider the context and project size +- Balance between pattern purity and pragmatism diff --git a/skills/ruby-pattern-detector/scripts/README.md b/skills/ruby-pattern-detector/scripts/README.md new file mode 100644 index 0000000..49872ba --- /dev/null +++ b/skills/ruby-pattern-detector/scripts/README.md @@ -0,0 +1,169 @@ +# Pattern Detector / RuboCop Scripts + +Executable shell scripts for code style checking and analysis. + +## Scripts + +### run_rubocop.sh +Run RuboCop with helpful options. + +```bash +# Check all files +./run_rubocop.sh check + +# Auto-fix safe violations +./run_rubocop.sh fix + +# Auto-fix all violations (including unsafe) +./run_rubocop.sh fix-all + +# Check only changed files +./run_rubocop.sh changed + +# Check only staged files (for pre-commit) +./run_rubocop.sh staged + +# Check specific file +./run_rubocop.sh lib/user.rb +``` + +**Modes:** +- `check` - Check code style (no changes) +- `fix` - Auto-fix safe violations (-a flag) +- `fix-all` - Auto-fix all violations (-A flag, use with caution) +- `changed` - Only check git-modified files +- `staged` - Only check git-staged files +- `` - Check specific file + +**Features:** +- Auto-detects RuboCop availability +- Smart git integration +- Helpful error messages +- Shows which mode is running + +### rubocop_summary.sh +Generate comprehensive RuboCop summary. + +```bash +./rubocop_summary.sh +``` + +**Output:** +``` +📊 Generating RuboCop summary... + +Summary: + Files inspected: 45 + Total offenses: 127 + +Top offenses by cop: + 42 Style/StringLiterals + 23 Layout/LineLength + 15 Style/Documentation + 12 Metrics/MethodLength + ... + +Offense severity breakdown: + 85 convention + 32 warning + 10 error + +To fix auto-correctable offenses: + bundle exec rubocop -a +``` + +**Features:** +- Runs RuboCop with JSON output +- Parses and summarizes results +- Shows top offense types +- Severity breakdown +- Actionable next steps + +**Requires:** +- jq (JSON processor) +- RuboCop gem + +## Usage Examples + +### Pre-Commit Workflow +```bash +# Check staged files before commit +./run_rubocop.sh staged + +# Auto-fix if possible +./run_rubocop.sh fix + +# Stage fixes +git add . + +# Check again +./run_rubocop.sh staged +``` + +### Code Review Workflow +```bash +# Check changed files +./run_rubocop.sh changed + +# Get detailed summary +./rubocop_summary.sh + +# Fix safe violations +./run_rubocop.sh fix + +# Review remaining issues manually +``` + +### Clean-up Workflow +```bash +# Get overview +./rubocop_summary.sh + +# Fix safe violations +./run_rubocop.sh fix + +# Review unsafe fixes +./run_rubocop.sh check + +# Manually fix or disable cops +``` + +## RuboCop Configuration + +Create `.rubocop.yml` for project-specific rules: + +```yaml +AllCops: + NewCops: enable + TargetRubyVersion: 3.2 + Exclude: + - 'db/schema.rb' + - 'vendor/**/*' + - 'node_modules/**/*' + +Metrics/MethodLength: + Max: 10 # Sandi Metz's rule + +Metrics/ClassLength: + Max: 100 # Sandi Metz's rule + +Style/Documentation: + Enabled: false # Adjust as needed +``` + +## Integration with Git Hooks + +Use `staged` mode in pre-commit hook: + +```bash +#!/bin/bash +# .git/hooks/pre-commit + +/path/to/run_rubocop.sh staged +``` + +## Requirements + +- RuboCop gem +- jq (for rubocop_summary.sh) +- git (for changed/staged modes) diff --git a/skills/ruby-pattern-detector/scripts/rubocop_summary.sh b/skills/ruby-pattern-detector/scripts/rubocop_summary.sh new file mode 100755 index 0000000..13ac4de --- /dev/null +++ b/skills/ruby-pattern-detector/scripts/rubocop_summary.sh @@ -0,0 +1,43 @@ +#!/usr/bin/env bash +# Generate RuboCop summary report + +set -e + +echo "📊 Generating RuboCop summary..." + +# Run RuboCop with JSON output +bundle exec rubocop --format json --out tmp/rubocop_results.json --format progress || true + +if [ ! -f "tmp/rubocop_results.json" ]; then + echo "No RuboCop results found" + exit 1 +fi + +# Parse results +TOTAL_FILES=$(jq '.files | length' tmp/rubocop_results.json) +OFFENSE_COUNT=$(jq '.summary.offense_count' tmp/rubocop_results.json) +INSPECTED=$(jq '.summary.inspected_file_count' tmp/rubocop_results.json) + +echo "" +echo "Summary:" +echo " Files inspected: $INSPECTED" +echo " Total offenses: $OFFENSE_COUNT" +echo "" + +if [ "$OFFENSE_COUNT" -eq 0 ]; then + echo "✅ No offenses found!" + exit 0 +fi + +echo "Top offenses by cop:" +jq -r '.files[].offenses[] | .cop_name' tmp/rubocop_results.json | \ + sort | uniq -c | sort -rn | head -10 + +echo "" +echo "Offense severity breakdown:" +jq -r '.files[].offenses[] | .severity' tmp/rubocop_results.json | \ + sort | uniq -c | sort -rn + +echo "" +echo "To fix auto-correctable offenses:" +echo " bundle exec rubocop -a" diff --git a/skills/ruby-pattern-detector/scripts/run_rubocop.sh b/skills/ruby-pattern-detector/scripts/run_rubocop.sh new file mode 100755 index 0000000..a676e39 --- /dev/null +++ b/skills/ruby-pattern-detector/scripts/run_rubocop.sh @@ -0,0 +1,62 @@ +#!/usr/bin/env bash +# Run RuboCop with helpful options + +set -e + +MODE=${1:-check} + +echo "🔍 Running RuboCop (mode: $MODE)..." + +# Check if RuboCop is available +if ! bundle exec rubocop --version &> /dev/null; then + echo "❌ RuboCop not found. Add to Gemfile:" + echo " gem 'rubocop', require: false" + exit 1 +fi + +case "$MODE" in + check) + echo "Checking code style..." + bundle exec rubocop + ;; + fix) + echo "Auto-fixing safe violations..." + bundle exec rubocop -a + ;; + fix-all) + echo "⚠️ Auto-fixing all violations (including unsafe)..." + bundle exec rubocop -A + ;; + changed) + echo "Checking only changed files..." + CHANGED_FILES=$(git diff --name-only --diff-filter=AM | grep '\.rb$' || true) + if [ -z "$CHANGED_FILES" ]; then + echo "No changed Ruby files found" + exit 0 + fi + bundle exec rubocop $CHANGED_FILES + ;; + staged) + echo "Checking only staged files..." + STAGED_FILES=$(git diff --cached --name-only --diff-filter=AM | grep '\.rb$' || true) + if [ -z "$STAGED_FILES" ]; then + echo "No staged Ruby files found" + exit 0 + fi + bundle exec rubocop $STAGED_FILES + ;; + *) + # Treat as file path + if [ -f "$MODE" ]; then + echo "Checking file: $MODE" + bundle exec rubocop "$MODE" + else + echo "Unknown mode: $MODE" + echo "Available modes: check, fix, fix-all, changed, staged, " + exit 1 + fi + ;; +esac + +echo "" +echo "✅ RuboCop check complete" diff --git a/skills/ruby-test-analyzer/SKILL.md b/skills/ruby-test-analyzer/SKILL.md new file mode 100644 index 0000000..d0e1d86 --- /dev/null +++ b/skills/ruby-test-analyzer/SKILL.md @@ -0,0 +1,192 @@ +# Ruby Test Analyzer Skill + +Intelligently analyze RSpec test failures and provide actionable debugging guidance. + +## When to Activate + +This skill activates when: +- RSpec tests fail +- User runs test commands +- User asks about test failures or debugging +- Working with test files + +## Core Capabilities + +### 1. Failure Pattern Recognition + +Automatically identify common failure patterns: + +**NoMethodError Patterns:** +- Nil object errors → Check object initialization +- Missing method → Check for typos or missing implementation +- Wrong receiver → Check factory setup or test doubles + +**Expectation Failures:** +- Off-by-one errors → Check loop boundaries +- Wrong values → Check business logic implementation +- Type mismatches → Check data transformation + +**Database/State Issues:** +- Transactional rollback problems +- Factory/fixture conflicts +- Test interdependencies + +### 2. Provide Debugging Steps + +For each failure, suggest: + +1. **Immediate Checks:** + - Verify object is not nil + - Check method spelling + - Confirm proper setup in before blocks + +2. **Investigation Steps:** + - Add `puts` or `binding.pry` at strategic points + - Check factory definitions + - Verify database state + +3. **Likely Fixes:** + - Code examples showing the fix + - References to related files + - Design improvements to prevent recurrence + +### 3. Test Quality Analysis + +Evaluate test quality: + +**Good Signs:** +- Clear describe/context structure +- Single responsibility per test +- Proper use of let/let!/before +- Descriptive test names +- Good isolation + +**Warning Signs:** +- Tests with multiple expectations +- Tests depending on execution order +- Overuse of let! (eager evaluation) +- Brittle tests (too coupled to implementation) +- Missing edge cases + +### 4. Suggest Missing Tests + +Identify untested scenarios: +- Edge cases +- Error conditions +- Boundary values +- Integration points +- State transitions + +## Example Analysis + +**Failure Detected:** +``` +Failure/Error: expect(user.full_name).to eq("John Doe") + expected: "John Doe" + got: "John" +``` + +**Analysis Response:** + +**Failure: User#full_name incomplete** +- **Location:** spec/user_spec.rb:23 +- **Error Type:** Expectation mismatch + +**Immediate Cause:** +The `full_name` method is only returning the first name. + +**Investigation Steps:** +1. Check the implementation at lib/user.rb:15 + ```ruby + # Current implementation (likely): + def full_name + first_name + end + ``` + +2. Verify test data: + ```ruby + # Check that your factory/test setup has both names + user = User.new(first_name: "John", last_name: "Doe") + ``` + +**Suggested Fix:** +```ruby +# lib/user.rb:15 +def full_name + [first_name, last_name].compact.join(' ') +end +``` + +**Additional Considerations:** +- Handle nil values gracefully (using `compact`) +- Consider edge cases: missing last name, middle names +- Add test for user with only first name + +**Suggested Additional Tests:** +```ruby +context 'when last_name is missing' do + it 'returns only first_name' do + user = User.new(first_name: "John", last_name: nil) + expect(user.full_name).to eq("John") + end +end +``` + +## Performance Analysis + +When tests are slow: + +**Identify Bottlenecks:** +1. Run with profiling: `bundle exec rspec --profile` +2. Find slowest examples +3. Categorize delays: + - Database operations + - External service calls + - Complex computations + - Factory creation + +**Optimization Suggestions:** + +**Database-Heavy Tests:** +- Use `build_stubbed` instead of `create` +- Use `let` instead of `let!` where possible +- Consider using transactions or database_cleaner strategies + +**External Services:** +- Stub external API calls +- Use VCR for HTTP interactions +- Mock time-consuming operations + +**Factory Optimization:** +- Minimize associated records +- Use traits for specific scenarios +- Consider using `build` instead of `create` + +## Interactive Debugging + +Offer to: +1. Add debugging output to specific lines +2. Insert `binding.pry` at failure point +3. Show related code context +4. Run specific tests in isolation +5. Check factory definitions +6. Verify test data setup + +## Test Coverage Suggestions + +Suggest tests for: +- **Happy path**: Normal expected usage +- **Edge cases**: Boundary conditions +- **Error cases**: Invalid inputs +- **Null cases**: Nil/empty values +- **Integration**: Cross-object interactions + +## Guidelines + +- Focus on actionable next steps +- Provide specific line numbers and file paths +- Show concrete code examples +- Explain the "why" behind failures +- Suggest preventive measures +- Balance speed of fix with quality of solution diff --git a/skills/ruby-test-analyzer/scripts/README.md b/skills/ruby-test-analyzer/scripts/README.md new file mode 100644 index 0000000..719f968 --- /dev/null +++ b/skills/ruby-test-analyzer/scripts/README.md @@ -0,0 +1,131 @@ +# Test Analyzer Scripts + +Executable shell scripts for running and analyzing RSpec tests. + +## Scripts + +### run_tests.sh +Run RSpec tests with intelligent filtering. + +```bash +# Run all tests +./run_tests.sh all + +# Run only fast tests (exclude slow) +./run_tests.sh fast + +# Run only previously failed tests +./run_tests.sh failures + +# Run tests for changed files +./run_tests.sh changed + +# Profile slowest tests +./run_tests.sh profile + +# Run specific file +./run_tests.sh spec/models/user_spec.rb +``` + +**Modes:** +- `all` - All tests with documentation format +- `fast` - Exclude tests tagged with :slow +- `failures` - Only re-run failed tests (uses .rspec_status) +- `changed` - Auto-detect changed files via git diff +- `profile` - Show 10 slowest examples +- `` - Run specific test file + +**Features:** +- Auto-detects RSpec availability +- Helpful error messages +- Smart test file detection from lib/ files +- Documentation format for readability + +### analyze_failures.sh +Analyze test failures and provide debugging hints. + +```bash +./analyze_failures.sh +``` + +**Output:** +``` +Results: 3 failures out of 47 tests + +Failed examples: + +User#full_name returns first and last name + File: spec/user_spec.rb:23 + Error: RSpec::Expectations::ExpectationNotMetError + Message: Expected "John Doe" but got "John" + +... + +Common fixes: + - Check for typos in method names + - Verify test data setup (factories, fixtures) + - Check for nil objects + - Review recent code changes +``` + +**Features:** +- Parses JSON test results +- Groups failures by type +- Provides file:line references +- Suggests common fixes +- Shows debugging commands + +**Requires:** +- jq (JSON processor) +- RSpec with JSON formatter + +## Usage Examples + +### Quick Test Run +```bash +# Run changed tests +./run_tests.sh changed + +# If failures, analyze +./analyze_failures.sh +``` + +### TDD Workflow +```bash +# Run all tests +./run_tests.sh all + +# Profile to find slow tests +./run_tests.sh profile + +# Tag slow tests, then run fast +./run_tests.sh fast +``` + +### CI/CD +```bash +# In CI pipeline +./run_tests.sh all || ./analyze_failures.sh +``` + +## RSpec Configuration + +For best results, add to `.rspec`: +``` +--format progress +--require spec_helper +--example-status-persistence-file-path .rspec_status +``` + +And in `spec/spec_helper.rb`: +```ruby +RSpec.configure do |config| + config.example_status_persistence_file_path = ".rspec_status" +end +``` + +## Requirements + +- RSpec gem +- jq (for analyze_failures.sh) +- git (for changed mode) diff --git a/skills/ruby-test-analyzer/scripts/analyze_failures.sh b/skills/ruby-test-analyzer/scripts/analyze_failures.sh new file mode 100755 index 0000000..2672682 --- /dev/null +++ b/skills/ruby-test-analyzer/scripts/analyze_failures.sh @@ -0,0 +1,42 @@ +#!/usr/bin/env bash +# Analyze RSpec failures and provide debugging hints + +set -e + +echo "🔍 Analyzing test failures..." + +# Run tests and capture output +OUTPUT=$(bundle exec rspec --format json --out tmp/rspec_results.json --format progress 2>&1) || true + +if [ ! -f "tmp/rspec_results.json" ]; then + echo "No test results found. Run tests first." + exit 1 +fi + +# Parse JSON results +FAILURES=$(jq '.summary.failure_count' tmp/rspec_results.json) +TOTAL=$(jq '.summary.example_count' tmp/rspec_results.json) + +echo "" +echo "Results: $FAILURES failures out of $TOTAL tests" +echo "" + +if [ "$FAILURES" -eq 0 ]; then + echo "✅ All tests passing!" + exit 0 +fi + +echo "Failed examples:" +echo "" + +jq -r '.examples[] | select(.status == "failed") | "\(.full_description)\n File: \(.file_path):\(.line_number)\n Error: \(.exception.class)\n Message: \(.exception.message)\n"' tmp/rspec_results.json + +echo "" +echo "Common fixes:" +echo " - Check for typos in method names" +echo " - Verify test data setup (factories, fixtures)" +echo " - Check for nil objects" +echo " - Review recent code changes" +echo "" +echo "To debug specific test:" +echo " bundle exec rspec : --format documentation" diff --git a/skills/ruby-test-analyzer/scripts/run_tests.sh b/skills/ruby-test-analyzer/scripts/run_tests.sh new file mode 100755 index 0000000..f7ccc5a --- /dev/null +++ b/skills/ruby-test-analyzer/scripts/run_tests.sh @@ -0,0 +1,65 @@ +#!/usr/bin/env bash +# Run RSpec tests with intelligent filtering + +set -e + +MODE=${1:-all} + +echo "🧪 Running RSpec tests (mode: $MODE)..." + +# Check if RSpec is available +if ! bundle exec rspec --version &> /dev/null; then + echo "❌ RSpec not found. Add to Gemfile:" + echo " gem 'rspec', '~> 3.12'" + exit 1 +fi + +case "$MODE" in + all) + echo "Running all tests..." + bundle exec rspec --format documentation + ;; + fast) + echo "Running tests without slow examples..." + bundle exec rspec --tag ~slow --format progress + ;; + failures) + echo "Running only previously failed tests..." + bundle exec rspec --only-failures --format documentation + ;; + changed) + echo "Running tests for changed files..." + CHANGED_FILES=$(git diff --name-only --diff-filter=AM | grep '\.rb$' | grep -v '_spec\.rb$' || true) + if [ -z "$CHANGED_FILES" ]; then + echo "No changed Ruby files found" + exit 0 + fi + + for file in $CHANGED_FILES; do + # Convert lib/foo/bar.rb to spec/foo/bar_spec.rb + spec_file=$(echo "$file" | sed 's/^lib/spec/;s/\.rb$/_spec.rb/') + if [ -f "$spec_file" ]; then + echo "Testing: $spec_file" + bundle exec rspec "$spec_file" --format documentation + fi + done + ;; + profile) + echo "Running tests with profiling..." + bundle exec rspec --profile 10 --format documentation + ;; + *) + # Treat as file path + if [ -f "$MODE" ]; then + echo "Running test file: $MODE" + bundle exec rspec "$MODE" --format documentation + else + echo "Unknown mode: $MODE" + echo "Available modes: all, fast, failures, changed, profile, " + exit 1 + fi + ;; +esac + +echo "" +echo "✅ Test run complete"