paper-trail-gem--paper_trail/spec/models/callback_modifier_spec.rb

require 'rails_helper'

describe CallbackModifier, :type => :model do
  with_versioning do
    describe 'callback-methods', :versioning => true do
      describe 'paper_trail_on_destroy' do
        it 'should add :destroy to paper_trail_options[:on]' do
          modifier = NoArgDestroyModifier.create!(:some_content => FFaker::Lorem.sentence)
          expect(modifier.paper_trail_options[:on]).to eq [:destroy]
        end

        context 'when :before' do
          it 'should create the version before destroy' do
            modifier = BeforeDestroyModifier.create!(:some_content => FFaker::Lorem.sentence)
            modifier.test_destroy
            expect(modifier.versions.last.reify).not_to be_flagged_deleted
          end
        end

        context 'when :after' do
          it 'should create the version after destroy' do
            modifier = AfterDestroyModifier.create!(:some_content => FFaker::Lorem.sentence)
            modifier.test_destroy
            expect(modifier.versions.last.reify).to be_flagged_deleted
          end
        end

        context 'when no argument' do
          it 'should default to after destroy' do
            modifier = NoArgDestroyModifier.create!(:some_content => FFaker::Lorem.sentence)
            modifier.test_destroy
            expect(modifier.versions.last.reify).to be_flagged_deleted
          end
        end
      end

      describe 'paper_trail_on_update' do
        it 'should add :update to paper_trail_options[:on]' do
          modifier = UpdateModifier.create!(:some_content => FFaker::Lorem.sentence)
          expect(modifier.paper_trail_options[:on]).to eq [:update]
        end

        it 'should create a version' do
          modifier = UpdateModifier.create!(:some_content => FFaker::Lorem.sentence)
          modifier.update_attributes! :some_content => 'modified'
          expect(modifier.versions.last.event).to eq 'update'
        end
      end

      describe 'paper_trail_on_create' do
        it 'should add :create to paper_trail_options[:on]' do
          modifier = CreateModifier.create!(:some_content => FFaker::Lorem.sentence)
          expect(modifier.paper_trail_options[:on]).to eq [:create]
        end

        it 'should create a version' do
          modifier = CreateModifier.create!(:some_content => FFaker::Lorem.sentence)
          expect(modifier.versions.last.event).to eq 'create'
        end
      end

      context 'when no callback-method used' do
        it 'should set paper_trail_options[:on] to [:create, :update, :destroy]' do
          modifier = DefaultModifier.create!(:some_content => FFaker::Lorem.sentence)
          expect(modifier.paper_trail_options[:on]).to eq [:create, :update, :destroy]
        end

        it 'should default to track destroy' do
          modifier = DefaultModifier.create!(:some_content => FFaker::Lorem.sentence)
          modifier.destroy
          expect(modifier.versions.last.event).to eq 'destroy'
        end

        it 'should default to track update' do
          modifier = DefaultModifier.create!(:some_content => FFaker::Lorem.sentence)
          modifier.update_attributes! :some_content => 'modified'
          expect(modifier.versions.last.event).to eq 'update'
        end

        it 'should default to track create' do
          modifier = DefaultModifier.create!(:some_content => FFaker::Lorem.sentence)
          expect(modifier.versions.last.event).to eq 'create'
        end
      end

      context 'when only one callback-method' do
        it 'does only track the corresponding event' do
          modifier = CreateModifier.create!(:some_content => FFaker::Lorem.sentence)
          modifier.update_attributes!(:some_content => 'modified')
          modifier.test_destroy
          expect(modifier.versions.collect(&:event)).to eq ['create']
        end
      end
    end
  end
end