PaperTrail #341

paper_trail_template_for_issue_341.rb

# Activate the gem you are reporting the issue against.
gem 'rails', '3.2.17'
gem 'sqlite3', '1.3.9'
gem 'paper_trail', '3.0.0'

require 'active_record/railtie'
require 'action_controller/railtie'
require 'rails/test_help'

require 'logger'
require 'paper_trail'

# This connection will do for database-independent bug reports.
ActiveRecord::Base.establish_connection(adapter: 'sqlite3', database: ':memory:')
ActiveRecord::Base.logger = Logger.new(STDOUT)

ActiveRecord::Schema.define do
  create_table :posts do |t|
    t.string :name
    t.timestamps
  end

  create_table :version_posts do |t|
    t.string   :item_type, :null => false
    t.integer  :item_id,   :null => false
    t.string   :event,     :null => false
    t.string   :whodunnit
    t.text     :object
    t.datetime :created_at
  end
  add_index :version_posts, [:item_type, :item_id]
end

class TestApp < Rails::Application
  routes.draw do
    resources :posts do
      get :versions, on: :member
    end
  end
end

PaperTrail::Version.module_eval { self.abstract_class = true }
PaperTrail.enabled = false

def with_versioning
  was_enabled = PaperTrail.enabled?
  PaperTrail.enabled = true
  yield
ensure
  PaperTrail.enabled = was_enabled
end

class Post < ActiveRecord::Base
  has_paper_trail :on => [:update, :destroy],
    :class_name => 'PostVersion',
    if: Proc.new {|t| t.changed? && t.created_at < (Time.now - 1.day)}
end

class PostVersion <  PaperTrail::Version #paper_trail 3
  self.table_name = :version_posts
end

class PostsController < ActionController::Base
  include Rails.application.routes.url_helpers

  def versions
    @versions = Post.find(params[:id]).versions
    render nothing: true
  end

  def update
    @post = Post.find(params[:id])
    @post.update_attributes params[:post]
    head :ok
  end
end


# unit test ok
class BugTest < ActiveSupport::TestCase
  def test_versioning
    post = Post.create! name: 'post name', created_at: 2.days.ago

    with_versioning do
      post.update_attribute(:name, 'name changed')
      assert_equal 1, post.versions.count
    end
  end
end

require 'minitest/autorun'
require 'rack/test'

# functional test
class PostsControllerTest < ActionController::TestCase
  tests PostsController

  setup do
    @post = Post.create! name: 'setup post', created_at: 2.days.ago
  end

  test 'versions' do
     get :versions, id: @post.to_param
     assert_empty assigns(:versions)
   end


  test 'versions 2' do
    with_versioning do
      assert PaperTrail.enabled?

      put :update, id: @post.to_param, post: {name: 'name changed'}
      assert_equal 1, @post.versions.size

      get :versions, id: @post.to_param
      assert_response :success
      assert_equal 1, assigns(:versions).size
    end
  end
end