fix: 🐛 投票チェックにてスクリーンネームが見つからないときに適切なレスポンスを返すように修正 (#144)

app/controllers/check_votes_and_bonuses_controller.rb

@@ -3,8 +3,14 @@ def index
     screen_name = Presenter::Common.normalized_screen_name(params[:screen_name])
     user = User.find_by(screen_name: screen_name)
 
-    # TODO: エラーハンドリング
-    return render json: {} if user.blank?
+    error_response = {
+      gss2022: [],
+      unite_attacks: [],
+      short_stories: [],
+      fav_quotes: [],
+      sosenkyo_campaigns: []
+    }
+    return render json: error_response if user.blank?
 
     gss2022_tweets = user.tweets.gensosenkyo_2022_votes_for_api
     unite_attacks_tweets = user.tweets.unite_attacks_votes_for_api

spec/requests/check_votes_and_bonuses_controller_spec.rb

@@ -7,7 +7,15 @@
         get check_votes_and_bonuses_path(screen_name: '@test_user')
 
         expect(response).to have_http_status :ok
-        expect(response.body).to eq '{}'
+        expect(JSON.parse(response.body)).to eq(
+          {
+            "gss2022" => [],
+            "unite_attacks" => [],
+            "short_stories" => [],
+            "fav_quotes" => [],
+            "sosenkyo_campaigns" => []
+          }
+        )
       end
 
       it 'データベースに存在するとき、期待通りのレスポンスが返ってくること' do