How to use Temping to test a module

temping_example_to_test_module.rb

require "rails_helper"

# In this example I'm testing a module that introduces some
# AR validations to the model. Using shoulda matchers, as I
# normally would in a model spec, works just fine :-)
describe "Scopable concern" do
  before do

    Temping.create :parent_model do
    end

    Temping.create :dummy do
      with_columns do |t|
        t.integer :parent_model_id
      end

      include Scopable

      must_belong_to :parent_model
    end

  end

  subject { Dummy.new }

  describe "associations" do
    it { should belong_to(:parent_model) }
  end

  describe "validations" do
    it { should validate_presence_of(:parent_model) }
  end
end