require 'spec_helper'

describe Promotion::Rules::User do
  let(:rule) { Promotion::Rules::User.new }

  context "#eligible?(order)" do
    let(:order) { Order.new }

    it "should be eligible if users are not provided" do
      users = mock("users", :none? => true)
      rule.stub(:users => users)

      rule.should be_eligible(order)
    end

    it "should be eligible if users include user placing the order" do
      user = mock_model(User)
      users = [user, mock_model(User)]
      users.stub(:none? => false)
      rule.stub(:users => users)
      order.stub(:user => user)

      rule.should be_eligible(order)
    end

    it "should not be eligible if user placing the order is not listed" do
      order.stub(:user => mock_model(User))
      users = [mock_model(User), mock_model(User)]
      users.stub(:none? => false)
      rule.stub(:users => users)

      rule.should_not be_eligible(order)
    end
  end
end