소개
Streamlines the development of robust Ruby on Rails test suites by enforcing the Arrange-Act-Assert (AAA) pattern and Behavior-Driven Development (BDD) principles. It provides expert guidance on RSpec syntax, efficient data setup using fixtures, and the use of Shoulda Matchers for concise validation and association testing. By focusing on isolation, descriptive naming, and performance-minded conventions like lazy evaluation and inferred spec types, it helps developers maintain high-quality codebases while avoiding common anti-patterns and redundant boilerplate.