79 lines
2.3 KiB
TypeScript
79 lines
2.3 KiB
TypeScript
import { expect, test } from "bun:test";
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import type { ApiCustomerV3 } from "@autumn/shared";
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import { expectLatestInvoiceCorrect } from "@tests/integration/billing/utils/expectLatestInvoiceCorrect.js";
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import { TestFeature } from "@tests/setup/v2Features.js";
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import { items } from "@tests/utils/fixtures/items.js";
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import { products } from "@tests/utils/fixtures/products.js";
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import { initScenario, s } from "@tests/utils/testInitUtils/initScenario.js";
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import chalk from "chalk";
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/**
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* Subscription Update - Decrease Quantity Tests
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*
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* These tests verify quantity downgrades:
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* - Basic single-feature downgrade (20 → 5 units)
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*/
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test.concurrent(`${chalk.yellowBright("update-quantity: downgrade 20 to 5 units")}`, async () => {
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const customerId = "dec-qty-basic-downgrade";
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const billingUnits = 12;
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const pricePerUnit = 8;
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const prepaidItem = items.prepaid({
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featureId: TestFeature.Messages,
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billingUnits,
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price: pricePerUnit,
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});
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const product = products.base({
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id: "prepaid",
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items: [prepaidItem],
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});
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const { autumnV1 } = 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: [product] }),
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],
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actions: [
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s.attach({
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productId: product.id,
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options: [
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{ feature_id: TestFeature.Messages, quantity: 20 * billingUnits },
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],
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}),
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],
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});
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// Preview the downgrade
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const preview = await autumnV1.subscriptions.previewUpdate({
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customer_id: customerId,
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product_id: product.id,
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options: [{ feature_id: TestFeature.Messages, quantity: 5 * billingUnits }],
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});
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// Verify preview total matches expected (20 -> 5 = -15 units * $8)
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expect(preview.total).toBe(-15 * pricePerUnit);
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// Downgrade from 20 to 5 units
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await autumnV1.subscriptions.update({
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customer_id: customerId,
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product_id: product.id,
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options: [{ feature_id: TestFeature.Messages, quantity: 5 * billingUnits }],
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});
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const customer = await autumnV1.customers.get<ApiCustomerV3>(customerId);
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const feature = customer.features?.[TestFeature.Messages];
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// Should have 60 messages (5 units × 12 billing_units)
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expect(feature?.balance).toBe(60);
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// Expect credit invoice for downgrade (20 -> 5 = -15 units * $8)
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expectLatestInvoiceCorrect({
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customer,
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productId: product.id,
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amount: -15 * pricePerUnit,
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});
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});
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