Guardfile
guard "rspec", cmd: "bundle exec rspec", all_on_start: false, all_after_pass: false do
watch("spec/spec_helper.rb") { "spec" }
watch("config/routes.rb") { "spec/controllers" }
watch(%r{^spec/(.+)_spec\.rb$}) { |m| "spec/#{m[1]}_spec.rb"}
watch(%r{^app/(.+)_decorator\.rb$}) { |m| "spec/#{m[1]}_spec.rb" }
watch(%r{^app/(.+)\.rb$}) { |m| "spec/#{m[1]}_spec.rb" }
watch(%r{^app/(.*)(\.erb)$}) { |m| "spec/#{m[1]}#{m[2]}_spec.rb" }
watch(%r{^lib/(.+)\.rb$}) { |m| "spec/#{m[1]}_spec.rb" }
watch(%r{^app/controllers/(.+)_(controller)\.rb$}) { |m| "spec/#{m[2]}s/#{m[1]}_#{m[2]}_spec.rb" }
end