Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites

rcov is a code coverage tool for Ruby.

Collects test coverage data from your Ruby test suite and sends it to Code Climate's hosted, automated code review service. Based on SimpleCov.

Hosted code coverage Ruby reporter.

A modern approach to code coverage.

JSON formatter for SimpleCov code coverage tool for ruby 1.9+

Default HTML formatter for SimpleCov code coverage tool for ruby 2.4+

For some reason, there's no adapter for a gem in SimpleCov, an excellent, simple Ruby 1.9 coverage tool. So this one defines one in about 8 lines of code.

ChefSpec is a unit testing and resource coverage (code coverage) framework for testing Chef cookbooks ChefSpec makes it easy to write examples and get fast feedback on cookbook changes without the need for virtual machines or cloud servers.

Actionable code coverage.

Post code coverage results to Codacy.

rcov is a code coverage tool for Ruby. It is commonly used for viewing overall test unit coverage of target code. It features fast execution (20-300 times faster than previous tools), multiple analysis modes, XHTML and several kinds of text reports, easy automation with Rake via a RcovTask, fair...

CoverMe - Code Coverage for Ruby 1.9

For some reason, there's no profile for a gem in SimpleCov, an excellent, simple Ruby 1.9 coverage tool. So this one defines one in about 8 lines of code.

"Code coverage tool for ruby 2.0 to 2.3. Simply "require 'coco'" from rspec or unit/test. Build simple html report. Report sources that have no tests. Configurable if you need to.

Creates an after suite hook in RSpec that dynamically creates and injects a new test case that expects the actual code coverage to be at least the lower limit set in SimpleCov.

Lookout-Rake Lookout-Rake provides Rake¹ tasks for testing using Lookout. ¹ See http://rake.rubyforge.org/ § Installation Install Lookout-Rake with % gem install lookout-rake § Usage Include the following code in your ‹Rakefile›: ...

Defines a formatter that emits a vim script to mark up code with coverage data: refactor in deluded confidence!

QAT Devel is a tool for executing common tasks in the development of QAT modules: - DoD metric validation - Code Coverage - Code Documentation - Code Quality - (more coming soon...)

Actionable code coverage - detects untested code blocks in recent changes