require 'stringio' require 'rack/lint' require 'rack/logger' require 'rack/mock' describe Rack::Logger do app = lambda { |env| log = env['rack.logger'] log.debug("Created logger") log.info("Program started") log.warn("Nothing to do!") [200, {'Content-Type' => 'text/plain'}, ["Hello, World!"]] } should "conform to Rack::Lint" do errors = StringIO.new a = Rack::Lint.new(Rack::Logger.new(app)) Rack::MockRequest.new(a).get('/', 'rack.errors' => errors) errors.string.should.match(/INFO -- : Program started/) errors.string.should.match(/WARN -- : Nothing to do/) end end