69 lines
2.6 KiB
TypeScript
69 lines
2.6 KiB
TypeScript
// src/routes/stats.routes.test.ts
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import { describe, it, expect, vi, beforeEach } from 'vitest';
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import supertest from 'supertest';
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import { mockLogger } from '../tests/utils/mockLogger';
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import { createTestApp } from '../tests/utils/createTestApp';
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// 1. Mock the Service Layer directly.
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vi.mock('../services/db/index.db', () => ({
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adminRepo: {
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getMostFrequentSaleItems: vi.fn(),
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},
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}));
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// Import the router and mocked DB AFTER all mocks are defined.
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import statsRouter from './stats.routes';
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import * as db from '../services/db/index.db';
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// Mock the logger to keep test output clean
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vi.mock('../services/logger.server', () => ({
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logger: mockLogger,
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}));
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const expectLogger = expect.objectContaining({
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info: expect.any(Function),
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error: expect.any(Function),
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});
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describe('Stats Routes (/api/stats)', () => {
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const app = createTestApp({ router: statsRouter, basePath: '/api/stats' });
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beforeEach(() => {
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vi.clearAllMocks();
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});
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describe('GET /most-frequent-sales', () => {
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it('should return most frequent sale items with default parameters', async () => {
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vi.mocked(db.adminRepo.getMostFrequentSaleItems).mockResolvedValue([]);
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const response = await supertest(app).get('/api/stats/most-frequent-sales');
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expect(response.status).toBe(200);
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expect(db.adminRepo.getMostFrequentSaleItems).toHaveBeenCalledWith(30, 10, expectLogger);
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});
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it('should use provided query parameters', async () => {
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vi.mocked(db.adminRepo.getMostFrequentSaleItems).mockResolvedValue([]);
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await supertest(app).get('/api/stats/most-frequent-sales?days=90&limit=5');
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expect(db.adminRepo.getMostFrequentSaleItems).toHaveBeenCalledWith(90, 5, expectLogger);
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});
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it('should return 500 if the database call fails', async () => {
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const dbError = new Error('DB Error');
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vi.mocked(db.adminRepo.getMostFrequentSaleItems).mockRejectedValue(dbError);
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const response = await supertest(app).get('/api/stats/most-frequent-sales');
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expect(response.status).toBe(500);
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expect(response.body.message).toBe('DB Error');
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expect(mockLogger.error).toHaveBeenCalledWith(
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{ error: dbError },
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'Error fetching most frequent sale items in /api/stats/most-frequent-sales:',
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);
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});
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it('should return 400 for invalid query parameters', async () => {
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const response = await supertest(app).get('/api/stats/most-frequent-sales?days=0&limit=abc');
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expect(response.status).toBe(400);
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expect(response.body.errors).toBeDefined();
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expect(response.body.errors.length).toBe(2);
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});
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});
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});
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