Set up Rake tasks to execute defined sets of specs

spec_suites.rake

# Nice idea from:
#   http://kpumuk.info/ruby-on-rails/my-top-7-rspec-best-practices/
#
#   ~/test$ rake -T spec:suite
#
#   (in /Users/kpumuk/test)
#   rake spec:suite:acl     # Run all specs in access control spec suite
#   rake spec:suite:amazon  # Run all specs in Amazon libraries spec suite

SPEC_SUITES = [
  { :id => :acl, :title => 'access control', :files => %w(spec/controllers/**/acl_spec.rb) },
  { :id => :amazon, :title => 'Amazon libraries', :dirs => %w(spec/lib/amazon) }
]

namespace :spec do
  namespace :suite do
    SPEC_SUITES.each do |suite|
      desc "Run all specs in #{suite[:title]} spec suite"
      Spec::Rake::SpecTask.new(suite[:id]) do |t|
        spec_files = []
        if suite[:files]
          suite[:files].each { |glob| spec_files += Dir[glob] }
        end

        if suite[:dirs]
          suite[:dirs].each { |glob| spec_files += Dir["#{glob}/**/*_spec.rb"] }
        end

        t.spec_opts = ['--options', "\"#{Rails.root}/spec/spec.opts\""]
        t.spec_files = spec_files
      end
    end
  end
end