caffeine.rb

require 'minitest/autorun'
require 'pry'
require './human.rb'
require './coffee.rb'

## This assignment made more sense when I wrote it in the morning.


class CaffeineTest < MiniTest::Test
  

  def test_humans_tend_to_be_sleepy
    tyler = Human.new "Tyler" 
    assert tyler.alertness < 0.1
  end

  
  def test_humans_need_coffee
    randy = Human.new "Randy"
    refute randy.has_coffee?
    assert randy.needs_coffee?
  end

  
  def test_humans_can_drink_coffee
    sherri = Human.new "Sherri"
    tsmf = Coffee.new "Triple Shot Mocha Frappuccino"
  
    assert tsmf.full?                 ###############
  
    sherri.buy tsmf
  
    sherri.drink!
    assert_in_epsilon sherri.alertness, 0.33, 0.1
    refute tsmf.full?
    refute tsmf.empty?
    
  end

  
  def test_humans_can_drink_all_the_coffee
    trevor = Human.new "Trevor"
    tsmf = Coffee.new "Triple Shot Mocha Frappuccino"
    trevor.buy tsmf

    3.times { trevor.drink! } 
    assert tsmf.empty?                 ###############
    assert trevor.alertness > 0.9
  end

# binding.pry
end