require 'spec_helper'

describe Mongoid::History do
  before :all do
    Mongoid::History.tracker_class_name = nil

    module MultipleTrackersSpec
      class First
        include Mongoid::Document
        include Mongoid::History::Trackable

        field :text, type: String
        track_history on: [:text],
                      track_create: true,
                      track_update: true,
                      track_destroy: true,
                      tracker_class_name: :first_history_tracker
      end

      class Second
        include Mongoid::Document
        include Mongoid::History::Trackable

        field :text, type: String
        track_history on: [:text],
                      track_create: true,
                      track_update: true,
                      track_destroy: true,
                      tracker_class_name: :second_history_tracker
      end
    end

    class FirstHistoryTracker
      include Mongoid::History::Tracker
    end

    class SecondHistoryTracker
      include Mongoid::History::Tracker
    end
  end

  it 'should be possible to have different trackers for each class' do
    expect(FirstHistoryTracker.count).to eq(0)
    expect(SecondHistoryTracker.count).to eq(0)
    expect(MultipleTrackersSpec::First.tracker_class).to be FirstHistoryTracker
    expect(MultipleTrackersSpec::Second.tracker_class).to be SecondHistoryTracker

    foo = MultipleTrackersSpec::First.new
    foo.save

    bar = MultipleTrackersSpec::Second.new
    bar.save

    expect(FirstHistoryTracker.count).to eq 1
    expect(SecondHistoryTracker.count).to eq 1

    foo.text = "I'm foo"
    foo.save
    bar.text = "I'm bar"
    bar.save

    expect(FirstHistoryTracker.count).to eq 2
    expect(SecondHistoryTracker.count).to eq 2

    foo.destroy
    bar.destroy

    expect(FirstHistoryTracker.count).to eq 3
    expect(SecondHistoryTracker.count).to eq 3
  end
end