# frozen_string_literal: true

require 'spec_helper'

RSpec.describe 'time travel' do
  describe ':freeze_time' do
    it 'freezes time around a spec example', :freeze_time do
      expect { sleep 0.1 }.not_to change { Time.now.to_f }
    end
  end

  describe ':time_travel' do
    today = Date.current

    it 'time-travels by the given duration', time_travel: 3.days do
      expect(Date.current).to eq(today + 3.days)
    end

    it 'works with negative durations', time_travel: -5.days do
      expect(Date.current).to eq(today - 5.days)
    end
  end

  describe ':time_travel_to' do
    it 'time-travels to the specified date', time_travel_to: '2020-01-01' do
      expect(Date.current).to eq(Date.new(2020, 1, 1))
    end

    it 'time-travels to the specified date & time', time_travel_to: '2020-02-02 10:30:45 -0700' do
      expect(Time.current).to eq(Time.new(2020, 2, 2, 17, 30, 45, '+00:00'))
    end
  end
end