From: Markus Fischer <markus@fischer.name>
Newsgroups: comp.lang.ruby
Subject: Rakefile and simplecov
Date: Mon, 18 Apr 2011 05:58:53 -0500
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Hi,

I've a Rakefile generated by jeweler. It uses rcov default but that 
doesn't properly work with 1.9 (I'm using 1.9.2), so I'd like to enable 
simplecov for my tests. I've used simplecov successfully without a Rakefile.

I added

   gem "simplecov", ">= 0.4.0"

to Gemfile and modified the test task:

require 'rake/testtask'
require 'simplecov'
Rake::TestTask.new(:test) do |test|
   SimpleCov.start do
       add_filter 'test_'
   end
   test.libs << 'lib' << 'test'
   test.pattern = 'test/**/test_*.rb'
   test.verbose = true
end

simplecov is executed, but doesn't record anything:

Coverage report generated for rake  to coverage. 0 / 0 LOC (0.0%) covered.

As far as I can see, simplecov doesn't provide a ready rake task, how 
can I use it in this case? I've gone through the rake documentation but 
didn't spot anything obvious I'm missing.

thanks,
- Markus