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https://github.com/velocitatem/PHANTOM.git
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Add dynamic pricing E2E test suite with Playwright
Implement comprehensive E2E tests to validate the surge pricing pipeline: - Test SimpleSurgePricer with configurable thresholds (high=3, surge=1.5x) - Verify discount pricing when demand is below low_threshold - Test multi-product differential pricing based on demand signals - Validate price propagation from pipeline through Redis to API Test infrastructure: - Playwright configuration with custom fixtures - Python pipeline worker for direct test execution (bypasses Airflow) - API client for event ingestion and price verification - Event generator for creating realistic interaction sequences - docker-compose.e2e.yml with minimal services for testing
This commit is contained in:
Claude
249
e2e/lib/event-generator.ts
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249
e2e/lib/event-generator.ts
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import { EventPayload, PriceLogPayload } from './api-client';
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import { v4 as uuidv4 } from 'uuid';
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/**
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* Canonical event names matching the frontend
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*/
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export const EventNames = {
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// Navigation events
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PAGE_VIEW: 'page_view',
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VIEW_ITEM_PAGE: 'view_item_page',
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LEARN_MORE: 'learn_more_about_item',
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// Cart events
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ADD_TO_CART: 'add_item_to_cart',
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REMOVE_FROM_CART: 'remove_item',
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CHECKOUT_START: 'checkout_start',
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PURCHASE_COMPLETE: 'purchase_complete',
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// Search/Filter events
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SEARCH: 'search',
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FILTER_DATE: 'filter_for_date',
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FILTER_AMENITIES: 'filter_for_amenities',
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FILTER_PRICE: 'filter_for_price',
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SORT_CHANGE: 'sort_change',
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// Dwell signals (engagement)
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HOVER_TITLE: 'hover_over_title',
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HOVER_PARAGRAPH: 'hover_over_paragraph',
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HOVER_LINK: 'hover_over_link',
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HOVER_BUTTON: 'hover_over_button',
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// Session
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SESSION_START: 'session_start',
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} as const;
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export type EventName = typeof EventNames[keyof typeof EventNames];
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/**
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* Test product configuration
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*/
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export interface TestProduct {
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id: string;
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basePrice: number;
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storeMode: 'hotel' | 'airline';
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name?: string;
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}
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/**
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* Generates test events for dynamic pricing E2E tests
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*/
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export class EventGenerator {
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private sessionId: string;
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private experimentId: string;
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private storeMode: 'hotel' | 'airline';
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constructor(options?: {
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sessionId?: string;
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experimentId?: string;
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storeMode?: 'hotel' | 'airline';
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}) {
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this.sessionId = options?.sessionId || uuidv4();
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this.experimentId = options?.experimentId || uuidv4();
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this.storeMode = options?.storeMode || 'hotel';
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}
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get session(): string {
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return this.sessionId;
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}
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get experiment(): string {
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return this.experimentId;
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}
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/**
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* Create a new session for isolation between test scenarios
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*/
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newSession(): string {
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this.sessionId = uuidv4();
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return this.sessionId;
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}
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/**
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* Generate a single event
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*/
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createEvent(
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eventName: EventName,
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productId: string,
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metadata?: Record<string, unknown>
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): EventPayload {
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return {
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sessionId: this.sessionId,
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experimentId: this.experimentId,
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eventName,
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page: `/${this.storeMode}/products/${productId}`,
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productId,
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metadata: metadata || {},
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storeMode: this.storeMode,
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userAgent: 'PHANTOM-E2E-Test/1.0',
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ts: new Date().toISOString(),
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};
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}
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/**
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* Generate a product view event
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*/
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viewProduct(productId: string): EventPayload {
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return this.createEvent(EventNames.VIEW_ITEM_PAGE, productId, {
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referrer: `/${this.storeMode}/products`,
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viewport: { width: 1920, height: 1080 },
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});
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}
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/**
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* Generate a "learn more" event (high intent signal)
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*/
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learnMore(productId: string): EventPayload {
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return this.createEvent(EventNames.LEARN_MORE, productId, {
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section: 'details',
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});
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}
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/**
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* Generate a hover event (engagement signal)
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*/
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hover(productId: string, element: 'title' | 'paragraph' | 'button' = 'title'): EventPayload {
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const eventMap = {
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title: EventNames.HOVER_TITLE,
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paragraph: EventNames.HOVER_PARAGRAPH,
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button: EventNames.HOVER_BUTTON,
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};
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return this.createEvent(eventMap[element], productId, {
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duration_ms: Math.floor(Math.random() * 2000) + 500,
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});
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}
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/**
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* Generate an add-to-cart event
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*/
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addToCart(productId: string, quantity: number = 1): EventPayload {
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return this.createEvent(EventNames.ADD_TO_CART, productId, {
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quantity,
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cart_size: quantity,
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});
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}
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/**
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* Generate a sequence of high-velocity events for surge pricing trigger
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* This simulates rapid user interest in a product
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*/
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generateSurgeSequence(productId: string, count: number): EventPayload[] {
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const events: EventPayload[] = [];
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for (let i = 0; i < count; i++) {
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// Mix of different event types to simulate realistic behavior
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events.push(this.viewProduct(productId));
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if (i % 2 === 0) {
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events.push(this.learnMore(productId));
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}
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if (i % 3 === 0) {
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events.push(this.hover(productId, 'title'));
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}
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}
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return events;
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}
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/**
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* Generate a normal browsing session (not triggering surge)
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*/
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generateNormalSession(productId: string): EventPayload[] {
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return [
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this.viewProduct(productId),
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this.hover(productId, 'title'),
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];
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}
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/**
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* Generate high-velocity agent-like behavior
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* This should trigger SessionAwarePricer's agent detection
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*/
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generateAgentBehavior(productIds: string[]): EventPayload[] {
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const events: EventPayload[] = [];
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// Rapid-fire product views across multiple products
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for (const productId of productIds) {
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events.push(this.viewProduct(productId));
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// Very quick succession - agent-like behavior
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}
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return events;
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}
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/**
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* Generate a price log entry
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*/
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createPriceLog(productId: string, price: number): PriceLogPayload {
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return {
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productId,
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price,
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sessionId: this.sessionId,
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experimentId: this.experimentId,
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storeMode: this.storeMode,
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ts: new Date().toISOString(),
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};
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}
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}
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/**
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* Pre-configured test products for E2E tests
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* These should match products in your test database
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*/
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export const TestProducts = {
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// Hotel products with known base prices
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hotel1: {
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id: 'e2e-test-hotel-001',
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basePrice: 150.00,
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storeMode: 'hotel' as const,
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name: 'E2E Test Hotel 1',
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},
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hotel2: {
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id: 'e2e-test-hotel-002',
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basePrice: 200.00,
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storeMode: 'hotel' as const,
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name: 'E2E Test Hotel 2',
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},
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hotel3: {
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id: 'e2e-test-hotel-003',
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basePrice: 100.00,
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storeMode: 'hotel' as const,
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name: 'E2E Test Hotel 3',
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},
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// Airline products
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airline1: {
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id: 'e2e-test-airline-001',
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basePrice: 350.00,
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storeMode: 'airline' as const,
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name: 'E2E Test Flight 1',
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},
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};
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/**
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* Generate a unique test product ID for isolation
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*/
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export function generateTestProductId(prefix: string = 'e2e-test'): string {
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return `${prefix}-${uuidv4().slice(0, 8)}`;
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}
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