test: comprehensive test suite for Manoon storefront
Add complete testing infrastructure with Vitest: Testing Stack: - Vitest for unit/integration tests - @testing-library/react for component tests - @playwright/test for E2E (installed, ready to configure) - MSW for API mocking Test Coverage: 1. Webhook Handler Tests (src/__tests__/integration/api/webhooks/saleor.test.ts) - ORDER_CONFIRMED: Emails + analytics - ORDER_CREATED: No duplicates - ORDER_FULFILLED: Tracking info - ORDER_CANCELLED: Cancellation reason - ORDER_FULLY_PAID: Payment confirmation - Error handling (400/500 responses) - Currency handling (RSD preservation) 2. OrderNotificationService Tests - Email sending in all 4 languages (SR, EN, DE, FR) - Price formatting verification - Admin vs Customer templates - Address formatting - Tracking info handling 3. AnalyticsService Tests - Revenue tracking with correct currency - Duplicate prevention verification - Error handling (doesn't break flow) - Singleton pattern 4. Utility Tests - formatPrice: RSD, EUR, USD formatting - Decimal and zero handling Fixtures: - Realistic order data in src/__tests__/fixtures/orders.ts - Multiple scenarios (with tracking, cancelled, etc.) Scripts: - npm test: Run tests in watch mode - npm run test:run: Run once - npm run test:coverage: Generate coverage report - npm run test:e2e: Run Playwright tests Coverage target: 80%+ for critical paths
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src/__tests__/unit/services/OrderNotificationService.test.ts
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252
src/__tests__/unit/services/OrderNotificationService.test.ts
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import { describe, it, expect, vi, beforeEach } from "vitest";
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import { orderNotificationService } from "@/lib/services/OrderNotificationService";
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import { sendEmail } from "@/lib/resend";
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import { mockOrderConverted } from "../../fixtures/orders";
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// Mock the resend module
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vi.mock("@/lib/resend", () => ({
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sendEmail: vi.fn().mockResolvedValue({ id: "test-email-id" }),
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ADMIN_EMAILS: ["me@hytham.me", "tamara@hytham.me"],
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}));
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describe("OrderNotificationService", () => {
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beforeEach(() => {
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vi.clearAllMocks();
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});
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describe("sendOrderConfirmation", () => {
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it("should send customer order confirmation in correct language (EN)", async () => {
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const order = { ...mockOrderConverted, languageCode: "EN" };
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await orderNotificationService.sendOrderConfirmation(order);
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expect(sendEmail).toHaveBeenCalledWith(
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expect.objectContaining({
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to: "test@hytham.me",
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subject: "Order Confirmation #1524",
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})
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);
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});
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it("should send customer order confirmation in Serbian (SR)", async () => {
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const order = { ...mockOrderConverted, languageCode: "SR" };
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await orderNotificationService.sendOrderConfirmation(order);
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expect(sendEmail).toHaveBeenCalledWith(
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expect.objectContaining({
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to: "test@hytham.me",
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subject: "Potvrda narudžbine #1524",
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})
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);
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});
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it("should send customer order confirmation in German (DE)", async () => {
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const order = { ...mockOrderConverted, languageCode: "DE" };
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await orderNotificationService.sendOrderConfirmation(order);
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expect(sendEmail).toHaveBeenCalledWith(
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expect.objectContaining({
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to: "test@hytham.me",
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subject: "Bestellbestätigung #1524",
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})
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);
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});
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it("should send customer order confirmation in French (FR)", async () => {
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const order = { ...mockOrderConverted, languageCode: "FR" };
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await orderNotificationService.sendOrderConfirmation(order);
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expect(sendEmail).toHaveBeenCalledWith(
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expect.objectContaining({
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to: "test@hytham.me",
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subject: "Confirmation de commande #1524",
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})
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);
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});
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it("should format price correctly", async () => {
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const order = {
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...mockOrderConverted,
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total: { gross: { amount: 5479, currency: "RSD" } },
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};
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await orderNotificationService.sendOrderConfirmation(order);
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const callArgs = vi.mocked(sendEmail).mock.calls[0][0];
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expect(callArgs.react.props.total).toBe("5.479,00 RSD");
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});
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it("should handle missing variant name gracefully", async () => {
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const order = {
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...mockOrderConverted,
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lines: [
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{
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...mockOrderConverted.lines[0],
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variantName: undefined,
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},
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],
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};
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await orderNotificationService.sendOrderConfirmation(order);
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expect(sendEmail).toHaveBeenCalled();
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const callArgs = vi.mocked(sendEmail).mock.calls[0][0];
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expect(callArgs.react.props.items[0].name).toBe("Manoon Anti-age Serum");
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});
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it("should include variant name when present", async () => {
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await orderNotificationService.sendOrderConfirmation(mockOrderConverted);
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const callArgs = vi.mocked(sendEmail).mock.calls[0][0];
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expect(callArgs.react.props.items[0].name).toBe("Manoon Anti-age Serum (50ml)");
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});
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});
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describe("sendOrderConfirmationToAdmin", () => {
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it("should send admin notification with order details", async () => {
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await orderNotificationService.sendOrderConfirmationToAdmin(mockOrderConverted);
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expect(sendEmail).toHaveBeenCalledWith(
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expect.objectContaining({
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to: ["me@hytham.me", "tamara@hytham.me"],
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subject: "[Admin] 🎉 New Order #1524 - 10.000,00 RSD",
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})
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);
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});
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it("should always use English for admin emails", async () => {
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const order = { ...mockOrderConverted, languageCode: "SR" };
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await orderNotificationService.sendOrderConfirmationToAdmin(order);
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const callArgs = vi.mocked(sendEmail).mock.calls[0][0];
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expect(callArgs.react.props.language).toBe("en");
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});
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it("should include all order details in admin email", async () => {
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await orderNotificationService.sendOrderConfirmationToAdmin(mockOrderConverted);
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const callArgs = vi.mocked(sendEmail).mock.calls[0][0];
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expect(callArgs.react.props.isAdmin).toBe(true);
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expect(callArgs.react.props.customerEmail).toBe("test@hytham.me");
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expect(callArgs.react.props.phone).toBe("+38160123456");
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});
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});
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describe("sendOrderShipped", () => {
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it("should send shipping confirmation with tracking", async () => {
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await orderNotificationService.sendOrderShipped(
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mockOrderConverted,
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"TRK123",
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"https://track.com/TRK123"
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);
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expect(sendEmail).toHaveBeenCalledWith(
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expect.objectContaining({
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to: "test@hytham.me",
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subject: "Your Order #1524 Has Shipped!",
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})
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);
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const callArgs = vi.mocked(sendEmail).mock.calls[0][0];
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expect(callArgs.react.props.trackingNumber).toBe("TRK123");
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expect(callArgs.react.props.trackingUrl).toBe("https://track.com/TRK123");
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});
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it("should handle missing tracking info", async () => {
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await orderNotificationService.sendOrderShipped(mockOrderConverted);
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const callArgs = vi.mocked(sendEmail).mock.calls[0][0];
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expect(callArgs.react.props.trackingNumber).toBeUndefined();
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});
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});
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describe("sendOrderCancelled", () => {
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it("should send cancellation email with reason", async () => {
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await orderNotificationService.sendOrderCancelled(
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mockOrderConverted,
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"Out of stock"
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);
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const callArgs = vi.mocked(sendEmail).mock.calls[0][0];
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expect(callArgs.react.props.reason).toBe("Out of stock");
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});
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});
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describe("sendOrderPaid", () => {
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it("should send payment confirmation", async () => {
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await orderNotificationService.sendOrderPaid(mockOrderConverted);
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expect(sendEmail).toHaveBeenCalledWith(
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expect.objectContaining({
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to: "test@hytham.me",
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subject: "Payment Received for Order #1524!",
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})
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);
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});
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});
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describe("formatPrice", () => {
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it("should format prices correctly for RSD", () => {
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// This is tested indirectly through the email calls above
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// The formatPrice function is in utils.ts
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});
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});
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describe("getCustomerName", () => {
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it("should extract name from user object", async () => {
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const order = {
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...mockOrderConverted,
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user: { firstName: "John", lastName: "Doe" },
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billingAddress: { firstName: "Jane", lastName: "Smith" },
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};
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await orderNotificationService.sendOrderConfirmation(order);
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const callArgs = vi.mocked(sendEmail).mock.calls[0][0];
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expect(callArgs.react.props.customerName).toBe("John Doe");
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});
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it("should fallback to billing address if user not available", async () => {
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const order = {
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...mockOrderConverted,
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user: undefined,
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billingAddress: { firstName: "Jane", lastName: "Smith" },
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};
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await orderNotificationService.sendOrderConfirmation(order);
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const callArgs = vi.mocked(sendEmail).mock.calls[0][0];
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expect(callArgs.react.props.customerName).toBe("Jane Smith");
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});
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});
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describe("formatAddress", () => {
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it("should format address with all fields", async () => {
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await orderNotificationService.sendOrderConfirmation(mockOrderConverted);
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const callArgs = vi.mocked(sendEmail).mock.calls[0][0];
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expect(callArgs.react.props.shippingAddress).toContain("123 Test Street");
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expect(callArgs.react.props.shippingAddress).toContain("Belgrade");
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expect(callArgs.react.props.shippingAddress).toContain("11000");
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});
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it("should handle missing address fields", async () => {
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const order = {
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...mockOrderConverted,
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shippingAddress: {
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firstName: "Test",
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lastName: "Customer",
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city: "Belgrade",
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},
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};
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await orderNotificationService.sendOrderConfirmation(order);
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expect(sendEmail).toHaveBeenCalled();
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});
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});
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});
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