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bundle-offers-app/spec/test-vectors.json
metatroncubeswdev 365e45406a Bundle Offers Shopify app: discount function, admin, storefront, deploy stack 
Rust discount function (one automatic discount evaluating all offers in priority
order, parity with the Odoo engine), React Router admin with Polaris, theme app
extension and app proxy pages, webhooks incl. GDPR, managed-pricing limits, and
a Docker Compose stack (Postgres + Caddy HTTPS) for a single VPS.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 21:35:58 -04:00

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{
"generated_from": "reference/odoo-c2c_bundle_offers/models/bundle_engine.py",
"rounding": "per offer: largest remainder to cents (see largest_remainder_cents)",
"vectors": [
{
"name": "fixed_percent_complete",
"note": "Odoo test: 20% of (10 + 2 x 5) = 4.00, spread 2.00 / 2.00 by price.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "diya",
"product_id": "P-diya",
"collection_ids": [],
"unit_price": 10.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "camphor",
"product_id": "P-camphor",
"collection_ids": [],
"unit_price": 5.0,
"quantity": 2
}
]
},
"offers": [
{
"id": "kit",
"type": "fixed",
"discount_type": "percent",
"value": 20,
"lines": [
{
"variant_id": "diya",
"quantity": 1
},
{
"variant_id": "camphor",
"quantity": 2
}
]
}
],
"expected": {
"applications": [
{
"offer_id": "kit",
"discount": 4.0,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/2",
"gid://shopify/CartLine/2"
]
}
],
"allocations": [
{
"offer_id": "kit",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 2.0,
"amount": 2.0
},
{
"offer_id": "kit",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 2.0,
"amount": 2.0
}
],
"total_discount": 4.0
}
},
{
"name": "fixed_incomplete_no_discount",
"note": "Bundle needs 2 camphor; only 1 in cart -> nothing.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "diya",
"product_id": "P-diya",
"collection_ids": [],
"unit_price": 10.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "camphor",
"product_id": "P-camphor",
"collection_ids": [],
"unit_price": 5.0,
"quantity": 1
}
]
},
"offers": [
{
"id": "kit",
"type": "fixed",
"discount_type": "percent",
"value": 20,
"lines": [
{
"variant_id": "diya",
"quantity": 1
},
{
"variant_id": "camphor",
"quantity": 2
}
]
}
],
"expected": {
"applications": [],
"allocations": [],
"total_discount": 0
}
},
{
"name": "fixed_three_tax_groups_split",
"note": "Odoo split per tax; on Shopify the discount is allocated per line (tax follows the line).",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 10.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "b",
"product_id": "P-b",
"collection_ids": [],
"unit_price": 5.0,
"quantity": 2
},
{
"id": "gid://shopify/CartLine/3",
"variant_id": "c",
"product_id": "P-c",
"collection_ids": [],
"unit_price": 4.0,
"quantity": 1
}
]
},
"offers": [
{
"id": "F",
"type": "fixed",
"discount_type": "percent",
"value": 20,
"lines": [
{
"variant_id": "a",
"quantity": 1
},
{
"variant_id": "b",
"quantity": 2
},
{
"variant_id": "c",
"quantity": 1
}
]
}
],
"expected": {
"applications": [
{
"offer_id": "F",
"discount": 4.8,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/2",
"gid://shopify/CartLine/2",
"gid://shopify/CartLine/3"
]
}
],
"allocations": [
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 2.0,
"amount": 2.0
},
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 2.0,
"amount": 2.0
},
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/3",
"amount_exact": 0.8,
"amount": 0.8
}
],
"total_discount": 4.8
}
},
{
"name": "fixed_repeats_twice",
"note": "Enough items for 2 bundles and no limit -> applied twice ($6).",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 10.0,
"quantity": 2
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "b",
"product_id": "P-b",
"collection_ids": [],
"unit_price": 5.0,
"quantity": 4
}
]
},
"offers": [
{
"id": "F",
"type": "fixed",
"discount_type": "amount",
"value": 3,
"lines": [
{
"variant_id": "a",
"quantity": 1
},
{
"variant_id": "b",
"quantity": 2
}
]
}
],
"expected": {
"applications": [
{
"offer_id": "F",
"discount": 3,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/2",
"gid://shopify/CartLine/2"
]
},
{
"offer_id": "F",
"discount": 3,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/2",
"gid://shopify/CartLine/2"
]
}
],
"allocations": [
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 3.0,
"amount": 3.0
},
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 3.0,
"amount": 3.0
}
],
"total_discount": 6.0
}
},
{
"name": "fixed_max_uses_1",
"note": "\"Max uses per order\" = 1.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 10.0,
"quantity": 2
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "b",
"product_id": "P-b",
"collection_ids": [],
"unit_price": 5.0,
"quantity": 4
}
]
},
"offers": [
{
"id": "F",
"type": "fixed",
"discount_type": "amount",
"value": 3,
"max_uses": 1,
"lines": [
{
"variant_id": "a",
"quantity": 1
},
{
"variant_id": "b",
"quantity": 2
}
]
}
],
"expected": {
"applications": [
{
"offer_id": "F",
"discount": 3,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/2",
"gid://shopify/CartLine/2"
]
}
],
"allocations": [
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 1.5,
"amount": 1.5
},
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 1.5,
"amount": 1.5
}
],
"total_discount": 3.0
}
},
{
"name": "fixed_amount_capped_at_regular",
"note": "$ off never exceeds the items' price (discount 3.00, not 10.00).",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 2.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "b",
"product_id": "P-b",
"collection_ids": [],
"unit_price": 1.0,
"quantity": 1
}
]
},
"offers": [
{
"id": "F",
"type": "fixed",
"discount_type": "amount",
"value": 10,
"lines": [
{
"variant_id": "a",
"quantity": 1
},
{
"variant_id": "b",
"quantity": 1
}
]
}
],
"expected": {
"applications": [
{
"offer_id": "F",
"discount": 3.0,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/2"
]
}
],
"allocations": [
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 2.0,
"amount": 2.0
},
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 1.0,
"amount": 1.0
}
],
"total_discount": 3.0
}
},
{
"name": "fixed_price_bundle",
"note": "Bundle price 20 for items worth 29 -> 9.00 off.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 12.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "b",
"product_id": "P-b",
"collection_ids": [],
"unit_price": 9.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/3",
"variant_id": "c",
"product_id": "P-c",
"collection_ids": [],
"unit_price": 8.0,
"quantity": 1
}
]
},
"offers": [
{
"id": "F",
"type": "fixed",
"discount_type": "fixed_price",
"value": 20,
"lines": [
{
"variant_id": "a",
"quantity": 1
},
{
"variant_id": "b",
"quantity": 1
},
{
"variant_id": "c",
"quantity": 1
}
]
}
],
"expected": {
"applications": [
{
"offer_id": "F",
"discount": 9.0,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/2",
"gid://shopify/CartLine/3"
]
}
],
"allocations": [
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 3.724138,
"amount": 3.73
},
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 2.793103,
"amount": 2.79
},
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/3",
"amount_exact": 2.482759,
"amount": 2.48
}
],
"total_discount": 9.0
}
},
{
"name": "fixed_price_above_regular_gives_nothing",
"note": "Bundle price higher than the items -> no discount, items stay free for other offers.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 5.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "b",
"product_id": "P-b",
"collection_ids": [],
"unit_price": 5.0,
"quantity": 1
}
]
},
"offers": [
{
"id": "F",
"type": "fixed",
"discount_type": "fixed_price",
"value": 15,
"lines": [
{
"variant_id": "a",
"quantity": 1
},
{
"variant_id": "b",
"quantity": 1
}
]
}
],
"expected": {
"applications": [],
"allocations": [],
"total_discount": 0
}
},
{
"name": "mix_fixed_price_uses_cheapest_no_gain",
"note": "Cheapest 3 (3+8+9=20) already cost 20 -> no discount (Odoo test).",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "p1",
"product_id": "P-p1",
"collection_ids": [
"sweets"
],
"unit_price": 12.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "p2",
"product_id": "P-p2",
"collection_ids": [
"sweets"
],
"unit_price": 9.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/3",
"variant_id": "p3",
"product_id": "P-p3",
"collection_ids": [
"sweets"
],
"unit_price": 8.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/4",
"variant_id": "p4",
"product_id": "P-p4",
"collection_ids": [
"sweets"
],
"unit_price": 3.0,
"quantity": 1
}
]
},
"offers": [
{
"id": "M",
"type": "mix",
"discount_type": "fixed_price",
"value": 20,
"qty": 3,
"scope": {
"variant_ids": [],
"collection_ids": [
"sweets"
]
}
}
],
"expected": {
"applications": [],
"allocations": [],
"total_discount": 0
}
},
{
"name": "mix_fixed_price_any_3_for_20",
"note": "29 -> 20: 9.00 off, spread by price.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "p1",
"product_id": "P-p1",
"collection_ids": [
"sweets"
],
"unit_price": 12.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "p2",
"product_id": "P-p2",
"collection_ids": [
"sweets"
],
"unit_price": 9.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/3",
"variant_id": "p3",
"product_id": "P-p3",
"collection_ids": [
"sweets"
],
"unit_price": 8.0,
"quantity": 1
}
]
},
"offers": [
{
"id": "M",
"type": "mix",
"discount_type": "fixed_price",
"value": 20,
"qty": 3,
"scope": {
"variant_ids": [],
"collection_ids": [
"sweets"
]
}
}
],
"expected": {
"applications": [
{
"offer_id": "M",
"discount": 9.0,
"line_ids_used": [
"gid://shopify/CartLine/3",
"gid://shopify/CartLine/2",
"gid://shopify/CartLine/1"
]
}
],
"allocations": [
{
"offer_id": "M",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 3.724138,
"amount": 3.73
},
{
"offer_id": "M",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 2.793103,
"amount": 2.79
},
{
"offer_id": "M",
"line_id": "gid://shopify/CartLine/3",
"amount_exact": 2.482759,
"amount": 2.48
}
],
"total_discount": 9.0
}
},
{
"name": "mix_percent_twice_cheapest_first",
"note": "Two uses: first takes the three 4.00 items, second the three 10.00 items.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "p1",
"product_id": "P-p1",
"collection_ids": [
"g"
],
"unit_price": 10.0,
"quantity": 3
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "p2",
"product_id": "P-p2",
"collection_ids": [
"g"
],
"unit_price": 4.0,
"quantity": 3
}
]
},
"offers": [
{
"id": "M",
"type": "mix",
"discount_type": "percent",
"value": 10,
"qty": 3,
"scope": {
"variant_ids": [],
"collection_ids": [
"g"
]
}
}
],
"expected": {
"applications": [
{
"offer_id": "M",
"discount": 1.2,
"line_ids_used": [
"gid://shopify/CartLine/2",
"gid://shopify/CartLine/2",
"gid://shopify/CartLine/2"
]
},
{
"offer_id": "M",
"discount": 3.0,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/1"
]
}
],
"allocations": [
{
"offer_id": "M",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 3.0,
"amount": 3.0
},
{
"offer_id": "M",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 1.2,
"amount": 1.2
}
],
"total_discount": 4.2
}
},
{
"name": "mix_by_variants_and_collections",
"note": "A unit matches if its variant OR any of its collections is in the scope.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "x",
"product_id": "P-x",
"collection_ids": [],
"unit_price": 6.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "y",
"product_id": "P-y",
"collection_ids": [
"flowers"
],
"unit_price": 7.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/3",
"variant_id": "z",
"product_id": "P-z",
"collection_ids": [],
"unit_price": 50.0,
"quantity": 1
}
]
},
"offers": [
{
"id": "M",
"type": "mix",
"discount_type": "amount",
"value": 5,
"qty": 2,
"scope": {
"variant_ids": [
"x"
],
"collection_ids": [
"flowers"
]
}
}
],
"expected": {
"applications": [
{
"offer_id": "M",
"discount": 5,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/2"
]
}
],
"allocations": [
{
"offer_id": "M",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 2.307692,
"amount": 2.31
},
{
"offer_id": "M",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 2.692308,
"amount": 2.69
}
],
"total_discount": 5.0
}
},
{
"name": "bxgy_same_scope_cheapest_free",
"note": "Most expensive count as \"buy\", cheapest remaining is free -> 6.00 (Odoo test).",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 10.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "b",
"product_id": "P-b",
"collection_ids": [],
"unit_price": 8.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/3",
"variant_id": "c",
"product_id": "P-c",
"collection_ids": [],
"unit_price": 6.0,
"quantity": 1
}
]
},
"offers": [
{
"id": "B",
"type": "bxgy",
"buy_qty": 2,
"get_qty": 1,
"get_percent": 100,
"buy_scope": {
"variant_ids": [
"a",
"b",
"c"
],
"collection_ids": []
},
"get_scope": {
"variant_ids": [
"a",
"b",
"c"
],
"collection_ids": []
}
}
],
"expected": {
"applications": [
{
"offer_id": "B",
"discount": 6.0,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/2",
"gid://shopify/CartLine/3"
]
}
],
"allocations": [
{
"offer_id": "B",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 2.5,
"amount": 2.5
},
{
"offer_id": "B",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 2.0,
"amount": 2.0
},
{
"offer_id": "B",
"line_id": "gid://shopify/CartLine/3",
"amount_exact": 1.5,
"amount": 1.5
}
],
"total_discount": 6.0
}
},
{
"name": "bxgy_get_item_missing",
"note": "Buy part complete but no \"get\" item -> nothing, buy items released.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 10.0,
"quantity": 2
}
]
},
"offers": [
{
"id": "B",
"type": "bxgy",
"buy_qty": 2,
"get_qty": 1,
"get_percent": 50,
"buy_scope": {
"variant_ids": [
"a"
],
"collection_ids": []
},
"get_scope": {
"variant_ids": [
"gift"
],
"collection_ids": []
}
}
],
"expected": {
"applications": [],
"allocations": [],
"total_discount": 0
}
},
{
"name": "bxgy_half_price",
"note": "Get item at 50% -> 2.00. Discount is spread over ALL used units (buy + get) by price, as Odoo does.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 10.0,
"quantity": 2
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "gift",
"product_id": "P-gift",
"collection_ids": [],
"unit_price": 4.0,
"quantity": 1
}
]
},
"offers": [
{
"id": "B",
"type": "bxgy",
"buy_qty": 2,
"get_qty": 1,
"get_percent": 50,
"buy_scope": {
"variant_ids": [
"a"
],
"collection_ids": []
},
"get_scope": {
"variant_ids": [
"gift"
],
"collection_ids": []
}
}
],
"expected": {
"applications": [
{
"offer_id": "B",
"discount": 2.0,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/2"
]
}
],
"allocations": [
{
"offer_id": "B",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 1.666667,
"amount": 1.67
},
{
"offer_id": "B",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 0.333333,
"amount": 0.33
}
],
"total_discount": 2.0
}
},
{
"name": "bxgy_repeats",
"note": "6 items: buy 2 get 1 twice -> 20.00.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 10.0,
"quantity": 6
}
]
},
"offers": [
{
"id": "B",
"type": "bxgy",
"buy_qty": 2,
"get_qty": 1,
"get_percent": 100,
"buy_scope": {
"variant_ids": [
"a"
],
"collection_ids": []
},
"get_scope": {
"variant_ids": [
"a"
],
"collection_ids": []
}
}
],
"expected": {
"applications": [
{
"offer_id": "B",
"discount": 10.0,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/1"
]
},
{
"offer_id": "B",
"discount": 10.0,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/1"
]
}
],
"allocations": [
{
"offer_id": "B",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 20.0,
"amount": 20.0
}
],
"total_discount": 20.0
}
},
{
"name": "priority_incomplete_first_offer_frees_items",
"note": "Odoo test: the incomplete fixed bundle leaves the item for the next offer.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 10.0,
"quantity": 1
}
]
},
"offers": [
{
"id": "F",
"type": "fixed",
"discount_type": "percent",
"value": 50,
"lines": [
{
"variant_id": "a",
"quantity": 1
},
{
"variant_id": "b",
"quantity": 1
}
]
},
{
"id": "M",
"type": "mix",
"discount_type": "percent",
"value": 10,
"qty": 1,
"scope": {
"variant_ids": [
"a"
],
"collection_ids": []
}
}
],
"expected": {
"applications": [
{
"offer_id": "M",
"discount": 1.0,
"line_ids_used": [
"gid://shopify/CartLine/1"
]
}
],
"allocations": [
{
"offer_id": "M",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 1.0,
"amount": 1.0
}
],
"total_discount": 1.0
}
},
{
"name": "priority_item_used_once",
"note": "Offers in priority order: the first takes both items, the better second offer gets nothing.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 10.0,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "b",
"product_id": "P-b",
"collection_ids": [],
"unit_price": 10.0,
"quantity": 1
}
]
},
"offers": [
{
"id": "F",
"type": "fixed",
"discount_type": "percent",
"value": 10,
"lines": [
{
"variant_id": "a",
"quantity": 1
},
{
"variant_id": "b",
"quantity": 1
}
]
},
{
"id": "M",
"type": "mix",
"discount_type": "percent",
"value": 50,
"qty": 2,
"scope": {
"variant_ids": [
"a",
"b"
],
"collection_ids": []
}
}
],
"expected": {
"applications": [
{
"offer_id": "F",
"discount": 2.0,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/2"
]
}
],
"allocations": [
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 1.0,
"amount": 1.0
},
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 1.0,
"amount": 1.0
}
],
"total_discount": 2.0
}
},
{
"name": "rounding_three_way_split",
"note": "Per-line cents use largest remainder so they add up to exactly 1.00.",
"cart": {
"lines": [
{
"id": "gid://shopify/CartLine/1",
"variant_id": "a",
"product_id": "P-a",
"collection_ids": [],
"unit_price": 3.33,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/2",
"variant_id": "b",
"product_id": "P-b",
"collection_ids": [],
"unit_price": 3.33,
"quantity": 1
},
{
"id": "gid://shopify/CartLine/3",
"variant_id": "c",
"product_id": "P-c",
"collection_ids": [],
"unit_price": 3.34,
"quantity": 1
}
]
},
"offers": [
{
"id": "F",
"type": "fixed",
"discount_type": "amount",
"value": 1,
"lines": [
{
"variant_id": "a",
"quantity": 1
},
{
"variant_id": "b",
"quantity": 1
},
{
"variant_id": "c",
"quantity": 1
}
]
}
],
"expected": {
"applications": [
{
"offer_id": "F",
"discount": 1,
"line_ids_used": [
"gid://shopify/CartLine/1",
"gid://shopify/CartLine/2",
"gid://shopify/CartLine/3"
]
}
],
"allocations": [
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/1",
"amount_exact": 0.333,
"amount": 0.33
},
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/2",
"amount_exact": 0.333,
"amount": 0.33
},
{
"offer_id": "F",
"line_id": "gid://shopify/CartLine/3",
"amount_exact": 0.334,
"amount": 0.34
}
],
"total_discount": 1.0
}
}
]
}
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