stampable_spec.rb

require 'spec_helper'
require 'faker'

describe Stampable do
  it "throws error if stamp and contact is unset" do
    expect { FactoryGirl.create(:user) }.to raise_error
  end

  it "can be saved if contact and stamp were set" do
    user = FactoryGirl.build(:user)
    user.stamp = FactoryGirl.build(:stamp)
    user.stamp.contact = FactoryGirl.build(:contact)
    
    user.save

    expect(user.valid?).to be true
  end

  it "is unable to be saved if contact email already exists" do
    FactoryGirl.create(:contact, email: 'example@example.com')    

    user = FactoryGirl.build(:user)
    user.stamp = FactoryGirl.build(:stamp)
    user.stamp.contact = FactoryGirl.build(:contact, email: 'example@example.com')

    user.save
    expect(user.valid?).to be false
  end
end