add Question

spec/models/question_spec.rb

@@ -0,0 +1,43 @@
+# == Schema Information
+#
+# Table name: questions
+#
+#  id              :bigint           not null, primary key
+#  alternatives    :jsonb            not null
+#  authorship      :string
+#  authorship_year :string
+#  bloom_taxonomy  :string
+#  body            :text
+#  check_type      :string
+#  difficulty      :string
+#  explanation     :text
+#  instruction     :text
+#  intention       :text
+#  references      :text
+#  status          :string           default("draft"), not null
+#  support         :text
+#  created_at      :datetime         not null
+#  updated_at      :datetime         not null
+#  subject_id      :bigint
+#  user_id         :bigint           not null
+#
+# Indexes
+#
+#  index_questions_on_subject_id  (subject_id)
+#  index_questions_on_user_id     (user_id)
+#
+# Foreign Keys
+#
+#  fk_rails_...  (subject_id => subjects.id)
+#  fk_rails_...  (user_id => users.id)
+#
+require 'rails_helper'
+
+RSpec.describe Question, type: :model do
+  describe "associations" do
+    it { is_expected.to(belong_to(:user)) }
+    it { is_expected.to(belong_to(:subject).optional(true)) }
+    # it { is_expected.to(have_many(:review_requests)) }
+    # it { is_expected.to(have_many(:review_messages)) }
+  end
+end