require "spec_helper"

describe Timber::Probes::ActionViewLogSubscriber do
  if defined?(described_class::LogSubscriber)
    describe described_class::LogSubscriber do
      let(:time) { Time.utc(2016, 9, 1, 12, 0, 0) }
      let(:io) { StringIO.new }
      let(:logger) do
        logger = Timber::Logger.new(io)
        logger.level = ::Logger::WARN
        logger
      end

      around(:each) do |example|
        class ActionViewLogSubscriberController < ActionController::Base
          layout nil

          def index
            render template: "template"
          end

          def method_for_action(action_name)
            action_name
          end
        end

        ::RailsApp.routes.draw do
          get 'action_view_log_subscriber' => 'action_view_log_subscriber#index'
        end

        Timecop.freeze(time) { example.run }

        Object.send(:remove_const, :ActionViewLogSubscriberController)
      end

      describe "#sql" do
        it "should not log if the level is not sufficient" do
          allow_any_instance_of(Timber::Probes::ActionViewLogSubscriber::LogSubscriber).to receive(:logger).and_return(logger)
          dispatch_rails_request("/action_view_log_subscriber")
          expect(io.string).to eq("")
        end

        context "with an info level" do
          around(:each) do |example|
            old_level = logger.level
            logger.level = ::Logger::INFO
            example.run
            logger.level = old_level
          end

          it "should log the controller call event" do
            allow_any_instance_of(Timber::Probes::ActionViewLogSubscriber::LogSubscriber).to receive(:logger).and_return(logger)
            dispatch_rails_request("/action_view_log_subscriber")
            expect(io.string).to start_with("  Rendered spec/support/rails/templates/template.html (0.0ms) @metadata {\"level\":\"info\"")
            expect(io.string).to include("\"event\":{\"server_side_app\":{\"template_render\":{\"name\":\"spec/support/rails/templates/template.html\",\"time_ms\":0.0}}},")
          end
        end
      end
    end
  end
end