READMEを読みながらやってみた。
spec/spec_helper.rb
Spork.prefork do
unless ENV['DRB']
require 'simplecov'
end
# other code ...
end
Spork.each_run do
if ENV['DRB']
require 'simplecov'
end
# other code ...
end
.simplecov
SimpleCov.start 'rails' do
add_filter "/spec/"
end