Fix normalized quantity basis

tests/test_costco_pipeline.py

@@ -264,6 +264,26 @@ class CostcoPipelineTests(unittest.TestCase):
         self.assertEqual("6", row["normalized_quantity"])
         self.assertEqual("count", row["normalized_quantity_unit"])
 
+        volume_row = enrich_costco.parse_costco_item(
+            order_id="abc",
+            order_date="2026-03-12",
+            raw_path=Path("costco_output/raw/abc.json"),
+            line_no=3,
+            item={
+                "itemNumber": "1185912",
+                "itemDescription01": "KS ALMND BAR US 1.74QTS CN",
+                "itemDescription02": None,
+                "itemDepartmentNumber": 18,
+                "transDepartmentNumber": 18,
+                "unit": 2,
+                "itemIdentifier": "E",
+                "amount": 21.98,
+                "itemUnitPriceAmount": 10.99,
+            },
+        )
+        self.assertEqual("3.48", volume_row["normalized_quantity"])
+        self.assertEqual("qt", volume_row["normalized_quantity_unit"])
+
         discount = enrich_costco.parse_costco_item(
             order_id="abc",
             order_date="2026-03-12",

tests/test_enrich_giant.py

@@ -111,9 +111,25 @@ class EnrichGiantTests(unittest.TestCase):
         self.assertEqual("weight", row["measure_type"])
         self.assertEqual("6", row["pack_qty"])
         self.assertEqual("7.5", row["size_value"])
+        self.assertEqual("90", row["normalized_quantity"])
+        self.assertEqual("oz", row["normalized_quantity_unit"])
         self.assertEqual("0.0667", row["price_per_oz"])
         self.assertEqual("1.0667", row["price_per_lb"])
 
+    def test_derive_normalized_quantity_handles_count_volume_and_each(self):
+        self.assertEqual(
+            ("18", "count"),
+            enrich_giant.derive_normalized_quantity("1", "", "", "18", "count"),
+        )
+        self.assertEqual(
+            ("3.48", "qt"),
+            enrich_giant.derive_normalized_quantity("2", "1.74", "qt", "", "volume"),
+        )
+        self.assertEqual(
+            ("2", "each"),
+            enrich_giant.derive_normalized_quantity("2", "", "", "", "each"),
+        )
+
     def test_build_items_enriched_reads_raw_order_files_and_writes_csv(self):
         with tempfile.TemporaryDirectory() as tmpdir:
             raw_dir = Path(tmpdir) / "raw"

tests/test_purchases.py

@@ -47,6 +47,8 @@ class PurchaseLogTests(unittest.TestCase):
                 "upc": "4011",
                 "qty": "1",
                 "unit": "LB",
+                "normalized_quantity": "1",
+                "normalized_quantity_unit": "lb",
                 "line_total": "1.29",
                 "unit_price": "1.29",
                 "measure_type": "weight",
@@ -71,6 +73,8 @@ class PurchaseLogTests(unittest.TestCase):
                 "retailer_item_id": "30669",
                 "qty": "1",
                 "unit": "E",
+                "normalized_quantity": "3",
+                "normalized_quantity_unit": "lb",
                 "line_total": "2.98",
                 "unit_price": "2.98",
                 "size_value": "3",
@@ -155,6 +159,8 @@ class PurchaseLogTests(unittest.TestCase):
         self.assertTrue(all(row["catalog_id"] == "cat_banana" for row in rows))
         self.assertEqual({"giant", "costco"}, {row["retailer"] for row in rows})
         self.assertEqual("https://example.test/banana.jpg", rows[0]["image_url"])
+        self.assertEqual("1", rows[0]["normalized_quantity"])
+        self.assertEqual("lb", rows[0]["normalized_quantity_unit"])
 
     def test_main_writes_purchase_and_example_csvs(self):
         with tempfile.TemporaryDirectory() as tmpdir:
@@ -184,6 +190,8 @@ class PurchaseLogTests(unittest.TestCase):
                     "upc": "4011",
                     "qty": "1",
                     "unit": "LB",
+                    "normalized_quantity": "1",
+                    "normalized_quantity_unit": "lb",
                     "line_total": "1.29",
                     "unit_price": "1.29",
                     "measure_type": "weight",
@@ -208,6 +216,8 @@ class PurchaseLogTests(unittest.TestCase):
                     "retailer_item_id": "30669",
                     "qty": "1",
                     "unit": "E",
+                    "normalized_quantity": "3",
+                    "normalized_quantity_unit": "lb",
                     "line_total": "2.98",
                     "unit_price": "2.98",
                     "size_value": "3",
@@ -346,6 +356,8 @@ class PurchaseLogTests(unittest.TestCase):
                 "upc": "",
                 "qty": "1",
                 "unit": "EA",
+                "normalized_quantity": "1",
+                "normalized_quantity_unit": "each",
                 "line_total": "3.50",
                 "unit_price": "3.50",
                 "measure_type": "each",
@@ -403,6 +415,8 @@ class PurchaseLogTests(unittest.TestCase):
         self.assertEqual("approved", rows[0]["review_status"])
         self.assertEqual("create", rows[0]["resolution_action"])
         self.assertEqual("cat_ice", links[0]["catalog_id"])
+        self.assertEqual("1", rows[0]["normalized_quantity"])
+        self.assertEqual("each", rows[0]["normalized_quantity_unit"])
 
 
 if __name__ == "__main__":