ika_bot/test/test_lesson.rb

require_relative "../lib/lesson"
require "minitest/autorun"

class TestLesson < Minitest::Test
  def setup
    @scheduler = Minitest::Mock.new
  end

  def test_start
    @lesson = Lesson.new [[1, "test the thing"], [3, "finish testing"]], scheduler: @scheduler
    @scheduler.expect(:in, nil) { |time| time == "0m" }
    @scheduler.expect(:in, nil) { |time| time == "1m" }
    @scheduler.expect(:in, nil) { |time| time == "4m" }
    @lesson.start! nil
  end
end