really_slow_test.rb

# A StudentExam represents an Exam taken by a Student.
# It records the start/stop time, room number, etc.
class StudentExamTest < ActiveSupport::TestCase

  should_belong_to :student
  should_belong_to :exam

  setup do
    # These objects need to be created before we can create a StudentExam.  Tests will NOT modify these objects.
    # @school is a very time-expensive model to create (associations, external API calls, etc).
    # We need a way to create the @school *ONCE* -- there's no need to recreate it for every single test.
    @school = Factory(:school)
    @student = Factory(:student, :school => @school)
    @topic = Factory(:topic, :school => @school)
    @exam = Factory(:exam, :topic => @topic)
  end
  
  context "A StudentExam" do

    setup do
      @student_exam = Factory(:student_exam, :exam => @exam, :student => @student, :room_number => "WB 302")
    end

    should "take place at 'Some School'" do
      assert_equal @student_exam, 'Some School'
    end
    
    should "be in_progress? when created" do
      assert @student_exam.in_progress?
    end
    
    should "not be in_progress? when finish! is called" do
      @student_exam.finish!
      assert !@student_exam.in_progress
    end
    
  end
  
end