make test case

frontend/src/services/api.ts

@@ -173,19 +173,42 @@ export const toBuyApi = {
 
 export const stuffApi = {
   getStuffs: async (category: string): Promise<{ stuff_array: Stuff[] }> => {
+    const data = [
+      { "stuff_id": 1, "stuff_name": "牛乳", "category": "乳製品" },
+      { "stuff_id": 2, "stuff_name": "ヨーグルト", "category": "乳製品" },
+      { "stuff_id": 3, "stuff_name": "チーズ", "category": "乳製品" },
+      { "stuff_id": 4, "stuff_name": "バター", "category": "乳製品" },
+      { "stuff_id": 5, "stuff_name": "生クリーム", "category": "乳製品" },
+
+      { "stuff_id": 6, "stuff_name": "鮭", "category": "魚・肉" },
+      { "stuff_id": 7, "stuff_name": "鶏むね肉", "category": "魚・肉" },
+      { "stuff_id": 8, "stuff_name": "豚バラ肉", "category": "魚・肉" },
+      { "stuff_id": 9, "stuff_name": "牛ひき肉", "category": "魚・肉" },
+      { "stuff_id": 10, "stuff_name": "まぐろ", "category": "魚・肉" },
+
+      { "stuff_id": 11, "stuff_name": "にんじん", "category": "野菜" },
+      { "stuff_id": 12, "stuff_name": "キャベツ", "category": "野菜" },
+      { "stuff_id": 13, "stuff_name": "ほうれん草", "category": "野菜" },
+      { "stuff_id": 14, "stuff_name": "玉ねぎ", "category": "野菜" },
+      { "stuff_id": 15, "stuff_name": "ピーマン", "category": "野菜" },
+
+      { "stuff_id": 16, "stuff_name": "醤油", "category": "調味料" },
+      { "stuff_id": 17, "stuff_name": "味噌", "category": "調味料" },
+      { "stuff_id": 18, "stuff_name": "塩", "category": "調味料" },
+      { "stuff_id": 19, "stuff_name": "砂糖", "category": "調味料" },
+      { "stuff_id": 20, "stuff_name": "酢", "category": "調味料" },
+
+      { "stuff_id": 21, "stuff_name": "米", "category": "その他" },
+      { "stuff_id": 22, "stuff_name": "パスタ", "category": "その他" },
+      { "stuff_id": 23, "stuff_name": "小麦粉", "category": "その他" },
+      { "stuff_id": 24, "stuff_name": "卵", "category": "その他" },
+      { "stuff_id": 25, "stuff_name": "豆腐", "category": "その他" }
+    ]
+
+    const filtered = data.filter(stuff => stuff.category == category)
+
     return {
-      "stuff_array": [
-        {
-          "stuff_id": 6,
-          "stuff_name": "鯖",
-          "category": "魚"
-        },
-        {
-          "stuff_id": 10,
-          "stuff_name": "鯛",
-          "category": "魚",
-        }
-      ]
+      "stuff_array": filtered
     }
   }
 }