require "spec_helper"

class Manufactory
  include Mongoid::Document

  embeds_many :products, order: :id.desc # here
end

class Product
  include Mongoid::Document

  embedded_in :manufactory

  field :name, type: String
end

describe "the problem with associations" do
  let(:manufactory) { Manufactory.create }

  it "returns correct results" do
    product = Product.new
    product.manufactory = manufactory
    product.name = "car"
    product.save!

    expect(manufactory.products.count).to eq(1)
    expect(manufactory.products.where(name: "car").count).to eq(1)
  end

  context "when the association is already loaded by the query with a selector" do
    before { manufactory.products.where(name: "car").first }

    it "requires reload to return correct results" do
      product = Product.new
      product.manufactory = manufactory
      product.name = "car"
      product.save!

      expect(manufactory.products.count).to eq(1)
      expect(manufactory.products.where(name: "car").count).to eq(1) # fails (0 results)
      # expect(manufactory.reload.products.where(name: "car").count).to eq(1) # passes
  end
end