require 'spec_helper' require 'sinatra/custom_logger' describe Sinatra::CustomLogger do before do rack_logger = @rack_logger = double mock_app do helpers Sinatra::CustomLogger before do env['rack.logger'] = rack_logger end get '/' do logger.info 'Logged message' 'Response' end end end describe '#logger' do it 'falls back to request.logger' do expect(@rack_logger).to receive(:info).with('Logged message') get '/' end context 'logger setting is set' do before do custom_logger = @custom_logger = double @app.class_eval do configure do set :logger, custom_logger end end end it 'calls custom logger' do expect(@custom_logger).to receive(:info).with('Logged message') get '/' end end end end