Ruby Application Code Review Checklist (English)

Code Structure and Organization

• Check proper use of modules and classes
• Verify adherence to Ruby naming conventions (snake_case for methods/variables, CamelCase for classes)
• Look for appropriate use of Ruby idioms and language features
• Check appropriate separation of concerns

Ruby-Specific Practices

• Verify proper use of blocks, procs, and lambdas
• Check for appropriate metaprogramming techniques (not overused)
• Look for proper exception handling with specific error classes
• Verify consistent use of symbols vs. strings

Testing and Quality

• Check for comprehensive test coverage (unit, integration, system tests)
• Verify the use of appropriate testing frameworks (RSpec, Minitest)
• Look for test organization and structure
• Check for proper use of fixtures, factories, and mocks

Performance Considerations

• Look for N+1 query issues in database operations
• Check for proper database indexing
• Verify efficient use of Ruby collections and enumerables
• Look for unnecessary object allocations

Gem Management

• Verify appropriate gem selection and dependency management
• Check for outdated or vulnerable gems
• Look for proper versioning constraints in Gemfile
• Verify gem configuration in initializers

Security Issues

• Check for SQL injection vulnerabilities
• Look for proper input sanitization
• Verify authentication and authorization implementations
• Check for insecure direct object references

Framework-Specific Checks (if using Rails)

• Proper MVC structure and adherence
• Appropriate use of ActiveRecord callbacks and validations
• Check routing and controller organization
• Verify proper use of view helpers and presenters

Documentation

• Check for comprehensive code documentation
• Verify README and installation instructions
• Look for API documentation if applicable
• Check for comments explaining complex business logic