require 'test_helper' class CourseTest < ActiveSupport::TestCase def setup @course = courses(:one) end test "should be valid" do assert @course.valid? end test "name should be present" do @course.name = " " assert_not @course.valid? end test "dates should be in order" do @course.starts_on = 1.days.ago @course.ends_on = 2.days.ago assert_not @course.valid? end end