thing_test.rb

require_relative '../test_helper'

class ThingTest < ActiveSupport::TestCase

  def test_fixtures
    Thing.all.each do |thing|
      assert thing.valid?, thing.errors.inspect
    end
  end

  def test_validations
    thing = Thing.new
    assert thing.invalid?
    assert_has_errors_on thing,
      :name => ["can't be blank"],
      :short_name => ["can't be blank"]
  end

end