接上 MOMO 自動比價爬蟲

tests/test_price_comparison_routes.py

@@ -0,0 +1,51 @@
+from flask import Flask
+
+
+def test_compare_prices_auto_fetches_momo_when_not_provided(monkeypatch):
+    from routes import price_comparison_routes as routes
+
+    captured = {}
+
+    def fake_search_momo(keyword, limit=10):
+        captured["momo_search"] = (keyword, limit)
+        return True, "ok", [
+            {
+                "name": "理膚寶水 B5 修復霜",
+                "price": 890,
+                "product_id": "12345678",
+                "product_url": "https://www.momoshop.com.tw/goods/GoodsDetail.jsp?i_code=12345678",
+            }
+        ]
+
+    def fake_compare(brand, pchome_products, momo_products):
+        captured["compare"] = (brand, pchome_products, momo_products)
+        return {
+            "pchome_count": len(pchome_products),
+            "momo_count": len(momo_products),
+            "matched_count": 0,
+            "matches": [],
+            "stats": {},
+        }
+
+    monkeypatch.setattr(routes, "search_momo_products", fake_search_momo)
+    monkeypatch.setattr(routes, "compare_brand_prices", fake_compare)
+
+    app = Flask(__name__)
+    with app.test_request_context(
+        "/api/price_comparison/compare",
+        method="POST",
+        json={
+            "brand": "理膚寶水",
+            "pchome_products": [
+                {"name": "理膚寶水 B5 修復霜", "price": 900, "product_id": "PCHOME-1"},
+            ],
+        },
+    ):
+        response = routes.compare_prices.__wrapped__()
+
+    payload = response.get_json()
+    assert payload["success"] is True
+    assert payload["data"]["momo_count"] == 1
+    assert captured["momo_search"] == ("理膚寶水", 100)
+    assert captured["compare"][0] == "理膚寶水"
+    assert captured["compare"][2][0]["product_id"] == "12345678"