Ruby test coverage tool

Question

I need a tool which measures test coverage under Ruby.

I tried rcov, but couldn\'t install it under Windows, Cygwin, or Ubuntu.

Which programs (not necessarily f

Answer 1

Simplecov. Rcov doesn't work so well under Ruby 1.9.*, but simplecov does.

Answer 2

You also have deep-cover which aims to be more complete than the mentioned examples.

From the Readme:

Deep Cover aims to be the best coverage tool for Ruby code:

more accurate line coverage

branch coverage

can be used as a drop-in replacement for the built-in Coverage library.

Answer 3

Use Ruby's built in Coverage feature if you are wanting something very simple. It is what Simplecov uses under the hood.