Development Tool
4.9k 2026-04-23
simplecov-ruby/simplecov
A powerful code coverage analysis tool for Ruby, simplifying result processing and merging across test suites.
Core Features
Utilizes Ruby's built-in Coverage library for data gathering.
Provides a clean API to filter, group, merge, and format coverage results.
Automatically merges coverage data across different test suites for comprehensive reports.
Generates detailed HTML reports via the simplecov-html formatter.
Easy integration with various Ruby test frameworks (e.g., RSpec, Minitest, Cucumber).
Quick Start
gem 'simplecov', require: false, group: :testDetailed Introduction
SimpleCov is an essential code coverage analysis tool for Ruby developers. It leverages Ruby's native `Coverage` library, enhancing its utility by offering a robust API to streamline the processing, filtering, grouping, and merging of coverage data. This ensures a holistic view of code coverage across diverse test suites, including unit, integration, and feature tests. By automating result merging and providing an intuitive setup, SimpleCov helps identify untested code segments, thereby improving code quality and test suite effectiveness for Ruby projects.