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duvet

Cover your code.

git clone https://git.hawx.me/duvet.git

duvet /

lib
spec
templates
.document
.gitignore
duvet.gemspec
Gemfile
LICENSE
Rakefile
README.md

README.md

Duvet

Install with:

$ gem install duvet

Then add this to the very top of your test/helper.rb (or similar)

require 'duvet'
Duvet.start

Because duvet won't work for Ruby 1.8 you may want to rescue the error and move on,

begin
  require 'duvet'
  Duvet.start
rescue LoadError
  # ignore error
end

You can change the defaults by passing options to Duvet.start, for example:

Duvet.start :dir => 'coverage', :filter => 'app/lib'

Where :dir is the directory to write the coverage to and :filter is a string that a files path must match against. A regular expression can be used for more control, but most of the time a simple string will suffice.

You can see the output of running duvet on itself here.

Credits

This gem was created because I read this blog post on the AT&T engineering site by Aaron Patterson.