Files
scrape-giant/tests/test_purchases.py
2026-03-21 21:50:10 -04:00

424 lines
16 KiB
Python

import csv
import tempfile
import unittest
from pathlib import Path
import build_purchases
import enrich_costco
class PurchaseLogTests(unittest.TestCase):
def test_derive_metrics_prefers_picked_weight_and_pack_count(self):
metrics = build_purchases.derive_metrics(
{
"line_total": "4.00",
"qty": "1",
"pack_qty": "4",
"size_value": "",
"size_unit": "",
"picked_weight": "2",
"price_per_each": "",
"price_per_lb": "",
"price_per_oz": "",
}
)
self.assertEqual("4", metrics["price_per_each"])
self.assertEqual("1", metrics["price_per_count"])
self.assertEqual("2", metrics["price_per_lb"])
self.assertEqual("0.125", metrics["price_per_oz"])
self.assertEqual("picked_weight_lb", metrics["price_per_lb_basis"])
def test_build_purchase_rows_maps_catalog_ids(self):
fieldnames = enrich_costco.OUTPUT_FIELDS
giant_row = {field: "" for field in fieldnames}
giant_row.update(
{
"retailer": "giant",
"order_id": "g1",
"line_no": "1",
"normalized_row_id": "giant:g1:1",
"normalized_item_id": "gnorm:banana",
"order_date": "2026-03-01",
"item_name": "FRESH BANANA",
"item_name_norm": "BANANA",
"image_url": "https://example.test/banana.jpg",
"retailer_item_id": "100",
"upc": "4011",
"qty": "1",
"unit": "LB",
"normalized_quantity": "1",
"normalized_quantity_unit": "lb",
"line_total": "1.29",
"unit_price": "1.29",
"measure_type": "weight",
"price_per_lb": "1.29",
"raw_order_path": "data/giant-web/raw/g1.json",
"is_discount_line": "false",
"is_coupon_line": "false",
"is_fee": "false",
}
)
costco_row = {field: "" for field in fieldnames}
costco_row.update(
{
"retailer": "costco",
"order_id": "c1",
"line_no": "1",
"normalized_row_id": "costco:c1:1",
"normalized_item_id": "cnorm:banana",
"order_date": "2026-03-12",
"item_name": "BANANAS 3 LB / 1.36 KG",
"item_name_norm": "BANANA",
"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",
"size_unit": "lb",
"measure_type": "weight",
"price_per_lb": "0.9933",
"raw_order_path": "data/costco-web/raw/c1.json",
"is_discount_line": "false",
"is_coupon_line": "false",
"is_fee": "false",
}
)
giant_orders = [
{
"order_id": "g1",
"store_name": "Giant",
"store_number": "42",
"store_city": "Springfield",
"store_state": "VA",
}
]
costco_orders = [
{
"order_id": "c1",
"store_name": "MT VERNON",
"store_number": "1115",
"store_city": "ALEXANDRIA",
"store_state": "VA",
}
]
catalog_rows = [
{
"catalog_id": "cat_banana",
"catalog_name": "BANANA",
"category": "produce",
"product_type": "banana",
"brand": "",
"variant": "",
"size_value": "",
"size_unit": "",
"pack_qty": "",
"measure_type": "",
"notes": "",
"created_at": "",
"updated_at": "",
}
]
link_rows = [
{
"normalized_item_id": "gnorm:banana",
"catalog_id": "cat_banana",
"link_method": "manual_link",
"link_confidence": "high",
"review_status": "approved",
"reviewed_by": "",
"reviewed_at": "",
"link_notes": "",
},
{
"normalized_item_id": "cnorm:banana",
"catalog_id": "cat_banana",
"link_method": "manual_link",
"link_confidence": "high",
"review_status": "approved",
"reviewed_by": "",
"reviewed_at": "",
"link_notes": "",
},
]
rows, _links = build_purchases.build_purchase_rows(
[giant_row],
[costco_row],
giant_orders,
costco_orders,
[],
link_rows,
catalog_rows,
)
self.assertEqual(2, len(rows))
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:
giant_items = Path(tmpdir) / "giant_items.csv"
costco_items = Path(tmpdir) / "costco_items.csv"
giant_orders = Path(tmpdir) / "giant_orders.csv"
costco_orders = Path(tmpdir) / "costco_orders.csv"
resolutions_csv = Path(tmpdir) / "review_resolutions.csv"
catalog_csv = Path(tmpdir) / "catalog.csv"
links_csv = Path(tmpdir) / "product_links.csv"
purchases_csv = Path(tmpdir) / "review" / "purchases.csv"
examples_csv = Path(tmpdir) / "review" / "comparison_examples.csv"
fieldnames = enrich_costco.OUTPUT_FIELDS
giant_row = {field: "" for field in fieldnames}
giant_row.update(
{
"retailer": "giant",
"order_id": "g1",
"line_no": "1",
"normalized_row_id": "giant:g1:1",
"normalized_item_id": "gnorm:banana",
"order_date": "2026-03-01",
"item_name": "FRESH BANANA",
"item_name_norm": "BANANA",
"retailer_item_id": "100",
"upc": "4011",
"qty": "1",
"unit": "LB",
"normalized_quantity": "1",
"normalized_quantity_unit": "lb",
"line_total": "1.29",
"unit_price": "1.29",
"measure_type": "weight",
"price_per_lb": "1.29",
"raw_order_path": "data/giant-web/raw/g1.json",
"is_discount_line": "false",
"is_coupon_line": "false",
"is_fee": "false",
}
)
costco_row = {field: "" for field in fieldnames}
costco_row.update(
{
"retailer": "costco",
"order_id": "c1",
"line_no": "1",
"normalized_row_id": "costco:c1:1",
"normalized_item_id": "cnorm:banana",
"order_date": "2026-03-12",
"item_name": "BANANAS 3 LB / 1.36 KG",
"item_name_norm": "BANANA",
"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",
"size_unit": "lb",
"measure_type": "weight",
"price_per_lb": "0.9933",
"raw_order_path": "data/costco-web/raw/c1.json",
"is_discount_line": "false",
"is_coupon_line": "false",
"is_fee": "false",
}
)
for path, source_rows in [(giant_items, [giant_row]), (costco_items, [costco_row])]:
with path.open("w", newline="", encoding="utf-8") as handle:
writer = csv.DictWriter(handle, fieldnames=fieldnames)
writer.writeheader()
writer.writerows(source_rows)
order_fields = ["order_id", "store_name", "store_number", "store_city", "store_state"]
for path, source_rows in [
(
giant_orders,
[
{
"order_id": "g1",
"store_name": "Giant",
"store_number": "42",
"store_city": "Springfield",
"store_state": "VA",
}
],
),
(
costco_orders,
[
{
"order_id": "c1",
"store_name": "MT VERNON",
"store_number": "1115",
"store_city": "ALEXANDRIA",
"store_state": "VA",
}
],
),
]:
with path.open("w", newline="", encoding="utf-8") as handle:
writer = csv.DictWriter(handle, fieldnames=order_fields)
writer.writeheader()
writer.writerows(source_rows)
with catalog_csv.open("w", newline="", encoding="utf-8") as handle:
writer = csv.DictWriter(handle, fieldnames=build_purchases.CATALOG_FIELDS)
writer.writeheader()
writer.writerow(
{
"catalog_id": "cat_banana",
"catalog_name": "BANANA",
"category": "produce",
"product_type": "banana",
"brand": "",
"variant": "",
"size_value": "",
"size_unit": "",
"pack_qty": "",
"measure_type": "",
"notes": "",
"created_at": "",
"updated_at": "",
}
)
with links_csv.open("w", newline="", encoding="utf-8") as handle:
writer = csv.DictWriter(handle, fieldnames=build_purchases.PRODUCT_LINK_FIELDS)
writer.writeheader()
writer.writerows(
[
{
"normalized_item_id": "gnorm:banana",
"catalog_id": "cat_banana",
"link_method": "manual_link",
"link_confidence": "high",
"review_status": "approved",
"reviewed_by": "",
"reviewed_at": "",
"link_notes": "",
},
{
"normalized_item_id": "cnorm:banana",
"catalog_id": "cat_banana",
"link_method": "manual_link",
"link_confidence": "high",
"review_status": "approved",
"reviewed_by": "",
"reviewed_at": "",
"link_notes": "",
},
]
)
build_purchases.main.callback(
giant_items_enriched_csv=str(giant_items),
costco_items_enriched_csv=str(costco_items),
giant_orders_csv=str(giant_orders),
costco_orders_csv=str(costco_orders),
resolutions_csv=str(resolutions_csv),
catalog_csv=str(catalog_csv),
links_csv=str(links_csv),
output_csv=str(purchases_csv),
examples_csv=str(examples_csv),
)
self.assertTrue(purchases_csv.exists())
self.assertTrue(examples_csv.exists())
with purchases_csv.open(newline="", encoding="utf-8") as handle:
purchase_rows = list(csv.DictReader(handle))
with examples_csv.open(newline="", encoding="utf-8") as handle:
example_rows = list(csv.DictReader(handle))
self.assertEqual(2, len(purchase_rows))
self.assertEqual(1, len(example_rows))
def test_build_purchase_rows_applies_manual_resolution(self):
fieldnames = enrich_costco.OUTPUT_FIELDS
giant_row = {field: "" for field in fieldnames}
giant_row.update(
{
"retailer": "giant",
"order_id": "g1",
"line_no": "1",
"normalized_row_id": "giant:g1:1",
"normalized_item_id": "gnorm:ice",
"order_date": "2026-03-01",
"item_name": "SB BAGGED ICE 20LB",
"item_name_norm": "BAGGED ICE",
"retailer_item_id": "100",
"upc": "",
"qty": "1",
"unit": "EA",
"normalized_quantity": "1",
"normalized_quantity_unit": "each",
"line_total": "3.50",
"unit_price": "3.50",
"measure_type": "each",
"raw_order_path": "data/giant-web/raw/g1.json",
"is_discount_line": "false",
"is_coupon_line": "false",
"is_fee": "false",
}
)
rows, links = build_purchases.build_purchase_rows(
[giant_row],
[],
[
{
"order_id": "g1",
"store_name": "Giant",
"store_number": "42",
"store_city": "Springfield",
"store_state": "VA",
}
],
[],
[
{
"normalized_item_id": "gnorm:ice",
"catalog_id": "cat_ice",
"resolution_action": "create",
"status": "approved",
"resolution_notes": "manual ice merge",
"reviewed_at": "2026-03-16",
}
],
[],
[
{
"catalog_id": "cat_ice",
"catalog_name": "ICE",
"category": "frozen",
"product_type": "ice",
"brand": "",
"variant": "",
"size_value": "",
"size_unit": "",
"pack_qty": "",
"measure_type": "",
"notes": "",
"created_at": "",
"updated_at": "",
}
],
)
self.assertEqual("cat_ice", rows[0]["catalog_id"])
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__":
unittest.main()