require 'test_helper'

class CheckingTest < ActiveSupport::TestCase

  test 'can definition with model' do
    assert user.can?(:create, Post)
    assert !user.cannot?(:create, Post)
  end

  test 'can definition with instance' do
    assert user.can?(:create, post)
    assert !user.cannot?(:create, post)
  end

  test 'cannot definition' do
    assert user.cannot?('read', post)
    assert !user.can?('read', post)
  end

  test 'ability conditions' do
    assert admin_user.can?(:destroy, post)
    assert user.cannot?(:destroy, post)
  end

  test 'ability block' do
    assert user.can?(:edit, post_with_user)
  end

  test 'manage action' do
    assert user.can?(:create, User)
    assert user.can?(:read, user)
    assert user.can?(:edit, user)
    assert user.can?(:destroy, user)
  end

  test 'all subject' do
    assert user.can?(:touch, post)
    assert user.can?(:touch, user)
  end

  test 'undefined definition' do
    assert user.cannot?(:other, post)
    assert user.cannot?(:other, post)
  end

  private

  def post_with_user
    @post_with_user ||= Post.new(user: user)
  end

  def post
    @post ||= Post.new
  end

  def user
    @user ||= User.new
  end

  def admin_user
    @admin_user ||= User.new(admin: true)
  end

end