require 'spec_helper'
require 'lograge'
require 'active_support/notifications'
require 'active_support/core_ext/string'
require 'active_support/log_subscriber'
require 'action_controller/log_subscriber'
require 'action_view/log_subscriber'

describe Lograge do
  describe "when removing Rails' log subscribers" do
    after do
      ActionController::LogSubscriber.attach_to :action_controller
      ActionView::LogSubscriber.attach_to :action_view
    end

    it "should remove subscribers for controller events" do
      expect {
        Lograge.remove_existing_log_subscriptions
      }.to change {
        ActiveSupport::Notifications.notifier.listeners_for('process_action.action_controller')
      }
    end

    it "should remove subscribers for all events" do
      expect {
        Lograge.remove_existing_log_subscriptions
      }.to change {
        ActiveSupport::Notifications.notifier.listeners_for('render_template.action_view')
      }
    end

    it "shouldn't remove subscribers that aren't from Rails" do
      blk = -> {}
      ActiveSupport::Notifications.subscribe("process_action.action_controller", &blk)
      Lograge.remove_existing_log_subscriptions
      listeners = ActiveSupport::Notifications.notifier.listeners_for('process_action.action_controller')
      listeners.size.should > 0
    end
  end
end