validates input_options based on input type

test/models/question_test.rb

@@ -1,7 +1,14 @@
 require 'test_helper'
 
 class QuestionTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
+  test 'should compact arrays for input_options' do
+    question = Question.new(quiz_id: quizzes(:fed).to_i,
+                            question: 'foo',
+                            category: 'bar',
+                            input_type: 'radio',
+                            input_options: ['one', 'two', '', ' ', nil])
+    question.validate
+
+    assert_equal 2, question.input_options.count
+  end
 end