chore: discount line items directly
This commit is contained in:
Charlie Lamb
@@ -0,0 +1,279 @@
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/**
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* Invoice-Matched Proration Credits — Cancel Tests
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*
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* Verifies that cancellation credits and refunds source amounts from stored
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* invoice line items rather than catalog prices.
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*
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* - cancel_immediately with discount: credit reflects discounted charge ($16)
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* - cancel_end_of_cycle: no immediate credit line items
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* - refund_last_payment prorated with discount: refund based on discounted invoice
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*/
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import { expect, test } from "bun:test";
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import type { ApiCustomerV3 } from "@autumn/shared";
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import { expectCustomerInvoiceCorrect } from "@tests/integration/billing/utils/expectCustomerInvoiceCorrect";
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import {
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expectProductActive,
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expectProductNotPresent,
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} from "@tests/integration/billing/utils/expectCustomerProductCorrect";
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import { items } from "@tests/utils/fixtures/items";
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import { products } from "@tests/utils/fixtures/products";
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import { advanceTestClock } from "@tests/utils/stripeUtils";
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import { advanceToNextInvoice } from "@tests/utils/testAttachUtils/testAttachUtils";
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import ctx from "@tests/utils/testInitUtils/createTestContext";
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import { initScenario, s } from "@tests/utils/testInitUtils/initScenario";
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import chalk from "chalk";
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import { createStripeCli } from "@/external/connect/createStripeCli";
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import { createPercentCoupon } from "../utils/discounts/discountTestUtils";
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// ═══════════════════════════════════════════════════════════════════════════════
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// TEST 1: Cancel immediately prorated with discount — credit from stored charge
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// ═══════════════════════════════════════════════════════════════════════════════
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test.concurrent(
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`${chalk.yellowBright("invoice-matched-credits cancel 1: cancel immediately with discount — credit reflects stored charge")}`,
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async () => {
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const customerId = "imc-cancel-imm-disc";
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const pro = products.pro({
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id: "pro",
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items: [items.monthlyMessages({ includedUsage: 500 })],
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});
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const { autumnV1, autumnV2_2, testClockId, advancedTo } =
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await initScenario({
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customerId,
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setup: [
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s.customer({ paymentMethod: "success" }),
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s.products({ list: [pro] }),
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],
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actions: [],
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});
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const stripeCli = createStripeCli({ org: ctx.org, env: ctx.env });
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const coupon = await createPercentCoupon({
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stripeCli,
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percentOff: 20,
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});
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await autumnV1.billing.attach({
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customer_id: customerId,
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product_id: pro.id,
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discounts: [{ reward_id: coupon.id }],
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});
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await new Promise((resolve) => setTimeout(resolve, 5000));
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const customerAfterAttach =
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await autumnV1.customers.get<ApiCustomerV3>(customerId);
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await expectCustomerInvoiceCorrect({
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customer: customerAfterAttach,
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count: 1,
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latestTotal: 16,
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});
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const renewedAt = await advanceToNextInvoice({
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stripeCli: ctx.stripeCli,
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testClockId: testClockId!,
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currentEpochMs: advancedTo,
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});
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const customerAfterRenewal =
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await autumnV1.customers.get<ApiCustomerV3>(customerId);
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await expectCustomerInvoiceCorrect({
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customer: customerAfterRenewal,
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count: 2,
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latestTotal: 16,
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});
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await advanceTestClock({
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stripeCli: ctx.stripeCli,
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testClockId: testClockId!,
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startingFrom: new Date(renewedAt),
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numberOfDays: 15,
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});
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const cancelParams = {
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customer_id: customerId,
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product_id: pro.id,
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cancel_action: "cancel_immediately" as const,
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};
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const preview = await autumnV1.subscriptions.previewUpdate(cancelParams);
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expect(preview.total).toBeLessThan(0);
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expect(preview.total).toBeGreaterThan(-16);
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expect(preview.total).toBeLessThanOrEqual(-7);
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await autumnV1.subscriptions.update(cancelParams);
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const customerAfterCancel =
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await autumnV1.customers.get<ApiCustomerV3>(customerId);
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await expectProductNotPresent({
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customer: customerAfterCancel,
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productId: pro.id,
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});
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await expectCustomerInvoiceCorrect({
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customer: customerAfterCancel,
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count: 3,
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latestTotal: preview.total,
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});
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},
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300_000,
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);
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// ═══════════════════════════════════════════════════════════════════════════════
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// TEST 2: Cancel end_of_cycle — no immediate credit lines
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// ═══════════════════════════════════════════════════════════════════════════════
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test.concurrent(
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`${chalk.yellowBright("invoice-matched-credits cancel 2: cancel end_of_cycle — no immediate credit line items")}`,
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async () => {
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const customerId = "imc-cancel-eoc";
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const pro = products.pro({
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id: "pro",
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items: [items.monthlyMessages({ includedUsage: 500 })],
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});
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const { autumnV1, autumnV2_2 } = await initScenario({
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customerId,
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setup: [
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s.customer({ paymentMethod: "success" }),
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s.products({ list: [pro] }),
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],
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actions: [
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s.billing.attach({ productId: pro.id }),
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s.advanceTestClock({ days: 10 }),
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],
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});
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const customerBeforeCancel =
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await autumnV1.customers.get<ApiCustomerV3>(customerId);
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await expectProductActive({
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customer: customerBeforeCancel,
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productId: pro.id,
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});
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const cancelParams = {
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customer_id: customerId,
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product_id: pro.id,
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cancel_action: "cancel_end_of_cycle" as const,
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};
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const preview = await autumnV1.subscriptions.previewUpdate(cancelParams);
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expect(preview.total).toBe(0);
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const creditLines = preview.line_items.filter((li: { total: number }) => li.total < 0);
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expect(creditLines.length).toBe(0);
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await autumnV1.subscriptions.update(cancelParams);
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const customerAfterCancel =
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await autumnV1.customers.get<ApiCustomerV3>(customerId);
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await expectCustomerInvoiceCorrect({
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customer: customerAfterCancel,
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count: 1,
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latestTotal: 20,
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});
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},
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300_000,
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);
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// ═══════════════════════════════════════════════════════════════════════════════
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// TEST 3: Cancel discounted plan refund_last_payment prorated — refund based on discounted invoice
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// ═══════════════════════════════════════════════════════════════════════════════
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test.concurrent(
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`${chalk.yellowBright("invoice-matched-credits cancel 3: cancel with refund_last_payment prorated — refund reflects discounted invoice")}`,
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async () => {
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const customerId = "imc-cancel-refund-disc";
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const pro = products.pro({
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id: "pro",
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items: [items.monthlyMessages({ includedUsage: 500 })],
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});
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const { autumnV1, autumnV2_2, testClockId, advancedTo } =
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await initScenario({
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customerId,
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setup: [
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s.customer({ paymentMethod: "success" }),
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s.products({ list: [pro] }),
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],
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actions: [],
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});
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const stripeCli = createStripeCli({ org: ctx.org, env: ctx.env });
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const coupon = await createPercentCoupon({
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stripeCli,
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percentOff: 20,
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});
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await autumnV1.billing.attach({
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customer_id: customerId,
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product_id: pro.id,
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discounts: [{ reward_id: coupon.id }],
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});
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await new Promise((resolve) => setTimeout(resolve, 5000));
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const customerAfterAttach =
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await autumnV1.customers.get<ApiCustomerV3>(customerId);
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await expectCustomerInvoiceCorrect({
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customer: customerAfterAttach,
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count: 1,
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latestTotal: 16,
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});
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const renewedAt = await advanceToNextInvoice({
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stripeCli: ctx.stripeCli,
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testClockId: testClockId!,
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currentEpochMs: advancedTo,
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});
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await advanceTestClock({
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stripeCli: ctx.stripeCli,
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testClockId: testClockId!,
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startingFrom: new Date(renewedAt),
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numberOfDays: 15,
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});
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const cancelParams = {
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customer_id: customerId,
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product_id: pro.id,
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cancel_action: "cancel_immediately" as const,
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refund_last_payment: "prorated" as const,
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};
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const preview = await autumnV1.subscriptions.previewUpdate(cancelParams);
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expect(preview.total).toBe(0);
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expect(preview.refund).toBeDefined();
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const refundAmount = preview.refund!.amount;
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expect(refundAmount).toBeGreaterThan(0);
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expect(refundAmount).toBeLessThanOrEqual(16);
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expect(refundAmount).toBeGreaterThanOrEqual(7);
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expect(preview.refund!.invoice.total).toBe(16);
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await autumnV1.subscriptions.update(cancelParams);
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const customerAfterCancel =
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await autumnV1.customers.get<ApiCustomerV3>(customerId);
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await expectProductNotPresent({
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customer: customerAfterCancel,
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productId: pro.id,
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});
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await expectCustomerInvoiceCorrect({
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customer: customerAfterCancel,
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count: 2,
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});
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},
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300_000,
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);
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