require File.expand_path(File.dirname(__FILE__) + '/helper')

class TestPadrinoLogger < Test::Unit::TestCase

  def setup
    Padrino::Logger::Config[:test][:stream] = :null # The default
    Padrino::Logger.setup!
  end

  def setup_logger(options={})
    @log    = StringIO.new
    @logger = Padrino::Logger.new(options.merge(:stream => @log))
  end

  context 'for logger functionality' do

    context 'check stream config' do

      should 'use stdout if stream is nil' do
        Padrino::Logger::Config[:test][:stream] = nil
        Padrino::Logger.setup!
        assert_equal $stdout, Padrino.logger.log
      end

      should 'use StringIO as default for test' do
        assert_instance_of StringIO, Padrino.logger.log
      end

      should 'use a custom stream' do
        my_stream = StringIO.new
        Padrino::Logger::Config[:test][:stream] = my_stream
        Padrino::Logger.setup!
        assert_equal my_stream, Padrino.logger.log
      end
    end

    should 'log something' do
      setup_logger(:log_level => :error)
      @logger.error "You log this error?"
      assert_match(/You log this error?/, @log.string)
      @logger.debug "You don't log this error!"
      assert_no_match(/You don't log this error!/, @log.string)
      @logger << "Yep this can be logged"
      assert_match(/Yep this can be logged/, @log.string)
    end

    should 'respond to #write for Rack::CommonLogger' do
      setup_logger(:log_level => :error)
      @logger.error "Error message"
      assert_match /Error message/, @log.string
      @logger << "logged anyways"
      assert_match /logged anyways/, @log.string
      @logger.write "log via alias"
      assert_match /log via alias/, @log.string
    end

    should 'log an application' do
      mock_app do
        enable :logging
        get("/"){ "Foo" }
      end
      get "/"
      assert_equal "Foo", body
      assert_match /GET/, Padrino.logger.log.string
    end

    context "static asset logging" do
      should 'not log static assets by default' do
        mock_app do
          enable :logging
          get("/images/something.png"){ env["sinatra.static_file"] = '/public/images/something.png'; "Foo" }
        end
        get "/images/something.png"
        assert_equal "Foo", body
        assert_match "", Padrino.logger.log.string
      end

      should 'allow turning on static assets logging' do
        Padrino.logger.instance_eval{ @log_static = true }
        mock_app do
          enable :logging
          get("/images/something.png"){ env["sinatra.static_file"] = '/public/images/something.png'; "Foo" }
        end
        get "/images/something.png"
        assert_equal "Foo", body
        assert_match /GET/, Padrino.logger.log.string
        Padrino.logger.instance_eval{ @log_static = false }
      end
    end
  end
end