# delorean.rb

require File.dirname(__FILE__) + '/../spec_helper'
require RAILS_ROOT + "/lib/current_time"

describe CurrentTime do

  describe "with_current_time" do

    it "should travel through time" do
      two_weeks_ago = 2.weeks.ago
      with_current_time(two_weeks_ago) do
        Time.now.should be_close(two_weeks_ago, 1.second)
        Date.today.should == two_weeks_ago.to_date
      end
    end

    it "should return to the future" do
      today = Date.today
      with_current_time(2.weeks.ago) {}
      Date.today.should == today
    end

    it "should travel through time several times" do
      expected = (1.year - 2.weeks).ago.to_date
      with_current_time(1.year.ago) do
        with_current_time(2.weeks.from_now) do
          Date.today.should == expected
        end
      end
    end

    it "should still return to the future" do
      today = Date.today
      with_current_time(2.weeks.ago) do
        with_current_time(1.year.from_now) {}
      end
      Date.today.should == today
    end

  end
end