Torben Sorensen
2913c7aa09
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854 lines
32 KiB
TypeScript
854 lines
32 KiB
TypeScript
// src/services/db/flyer.db.test.ts
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import { describe, it, expect, vi, beforeEach } from 'vitest';
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import { mockPoolInstance } from '../../tests/setup/tests-setup-unit';
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import type { Pool, PoolClient } from 'pg';
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import {
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createMockFlyer,
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createMockFlyerItem,
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createMockBrand,
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} from '../../tests/utils/mockFactories';
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// Un-mock the module we are testing to ensure we use the real implementation
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vi.unmock('./flyer.db');
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import { FlyerRepository, createFlyerAndItems } from './flyer.db';
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import {
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UniqueConstraintError,
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ForeignKeyConstraintError,
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NotFoundError,
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CheckConstraintError,
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} from './errors.db';
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import { DatabaseError } from '../processingErrors';
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import type {
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FlyerInsert,
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FlyerItemInsert,
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Brand,
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Flyer,
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FlyerItem,
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FlyerDbInsert,
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} from '../../types';
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// Mock dependencies
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vi.mock('../logger.server', () => ({
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logger: { info: vi.fn(), warn: vi.fn(), error: vi.fn(), debug: vi.fn() },
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}));
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import { logger as mockLogger } from '../logger.server';
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// Mock cacheService to bypass caching logic during tests
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vi.mock('../cacheService.server', () => ({
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cacheService: {
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getOrSet: vi.fn(async (_key, callback) => callback()),
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invalidateFlyer: vi.fn(),
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},
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CACHE_TTL: { BRANDS: 3600, FLYERS: 300, FLYER_ITEMS: 600 },
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CACHE_PREFIX: { BRANDS: 'brands', FLYERS: 'flyers', FLYER_ITEMS: 'flyer_items' },
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}));
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// Mock the withTransaction helper
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vi.mock('./connection.db', async (importOriginal) => {
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const actual = await importOriginal<typeof import('./connection.db')>();
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return { ...actual, withTransaction: vi.fn() };
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});
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import { withTransaction } from './connection.db';
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describe('Flyer DB Service', () => {
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let flyerRepo: FlyerRepository;
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beforeEach(() => {
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vi.clearAllMocks();
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mockPoolInstance.query.mockReset();
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//In a transaction, `pool.connect()` returns a client. That client has a `release` method.
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// For these tests, we simulate this by having `connect` resolve to the pool instance itself,
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// and we ensure the `release` method is mocked on that instance.
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const mockClient = { ...mockPoolInstance, release: vi.fn() } as unknown as PoolClient;
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vi.mocked(mockPoolInstance.connect).mockResolvedValue(mockClient);
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flyerRepo = new FlyerRepository(mockPoolInstance as unknown as Pool);
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});
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describe('findOrCreateStore', () => {
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it('should find an existing store and return its ID', async () => {
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// 1. INSERT...ON CONFLICT does nothing. 2. SELECT finds the store.
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mockPoolInstance.query
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.mockResolvedValueOnce({ rows: [], rowCount: 0 })
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.mockResolvedValueOnce({ rows: [{ store_id: 1 }] });
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const result = await flyerRepo.findOrCreateStore('Existing Store', mockLogger);
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expect(result).toBe(1);
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expect(mockPoolInstance.query).toHaveBeenCalledTimes(2);
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expect(mockPoolInstance.query).toHaveBeenCalledWith(
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'INSERT INTO public.stores (name) VALUES ($1) ON CONFLICT (name) DO NOTHING',
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['Existing Store'],
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);
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expect(mockPoolInstance.query).toHaveBeenCalledWith(
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'SELECT store_id FROM public.stores WHERE name = $1',
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['Existing Store'],
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);
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});
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it('should create a new store if it does not exist and return its ID', async () => {
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// 1. INSERT...ON CONFLICT creates the store. 2. SELECT finds it.
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mockPoolInstance.query
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.mockResolvedValueOnce({ rows: [], rowCount: 1 }) // INSERT affects 1 row
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.mockResolvedValueOnce({ rows: [{ store_id: 2 }] }); // SELECT finds the new store
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const result = await flyerRepo.findOrCreateStore('New Store', mockLogger);
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expect(result).toBe(2);
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expect(mockPoolInstance.query).toHaveBeenCalledTimes(2);
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expect(mockPoolInstance.query).toHaveBeenCalledWith(
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'INSERT INTO public.stores (name) VALUES ($1) ON CONFLICT (name) DO NOTHING',
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['New Store'],
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);
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expect(mockPoolInstance.query).toHaveBeenCalledWith(
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'SELECT store_id FROM public.stores WHERE name = $1',
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['New Store'],
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);
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});
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it('should throw an error if the database query fails', async () => {
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const dbError = new Error('DB Error');
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mockPoolInstance.query.mockRejectedValue(dbError);
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// The new implementation uses handleDbError, which will throw a generic Error with the default message.
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await expect(flyerRepo.findOrCreateStore('Any Store', mockLogger)).rejects.toThrow(
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'Failed to find or create store in database.',
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);
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// handleDbError also logs the error.
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expect(mockLogger.error).toHaveBeenCalledWith(
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{ err: dbError, storeName: 'Any Store' },
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'Database error in findOrCreateStore',
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);
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});
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it('should throw an error if store is not found after upsert (edge case)', async () => {
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// This simulates a very unlikely scenario where the store is deleted between the
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// INSERT...ON CONFLICT and the subsequent SELECT.
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mockPoolInstance.query
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.mockResolvedValueOnce({ rows: [], rowCount: 1 }) // INSERT succeeds
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.mockResolvedValueOnce({ rows: [] }); // SELECT finds nothing
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await expect(flyerRepo.findOrCreateStore('Weird Store', mockLogger)).rejects.toThrow(
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'Failed to find or create store in database.',
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);
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expect(mockLogger.error).toHaveBeenCalledWith(
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{
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err: new Error('Failed to find store immediately after upsert operation.'),
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storeName: 'Weird Store',
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},
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'Database error in findOrCreateStore',
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);
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});
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});
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describe('insertFlyer', () => {
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it('should execute an INSERT query and return the new flyer', async () => {
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const flyerData: FlyerDbInsert = {
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file_name: 'test.jpg',
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image_url: 'https://example.com/images/test.jpg',
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icon_url: 'https://example.com/images/icons/test.jpg',
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checksum: 'checksum123',
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store_id: 1,
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valid_from: '2024-01-01',
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valid_to: '2024-01-07',
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store_address: '123 Test St',
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status: 'processed',
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item_count: 10,
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// Use a valid UUID format for the foreign key.
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uploaded_by: 'a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11',
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};
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const mockFlyer = createMockFlyer({ ...flyerData, flyer_id: 1 });
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mockPoolInstance.query.mockResolvedValue({ rows: [mockFlyer] });
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const result = await flyerRepo.insertFlyer(flyerData, mockLogger);
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expect(result).toEqual(mockFlyer);
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expect(mockPoolInstance.query).toHaveBeenCalledTimes(1);
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expect(mockPoolInstance.query).toHaveBeenCalledWith(
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expect.stringContaining('INSERT INTO flyers'),
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[
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'test.jpg',
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'https://example.com/images/test.jpg',
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'https://example.com/images/icons/test.jpg',
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'checksum123',
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1,
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'2024-01-01',
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'2024-01-07',
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'123 Test St',
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'processed',
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10,
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'a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11',
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],
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);
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});
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it('should throw UniqueConstraintError on duplicate checksum', async () => {
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const flyerData: FlyerDbInsert = { checksum: 'duplicate-checksum' } as FlyerDbInsert;
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const dbError = new Error(
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'duplicate key value violates unique constraint "flyers_checksum_key"',
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);
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(dbError as Error & { code: string }).code = '23505';
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mockPoolInstance.query.mockRejectedValue(dbError);
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await expect(flyerRepo.insertFlyer(flyerData, mockLogger)).rejects.toThrow(
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UniqueConstraintError,
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);
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await expect(flyerRepo.insertFlyer(flyerData, mockLogger)).rejects.toThrow(
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'A flyer with this checksum already exists.',
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);
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expect(mockLogger.error).toHaveBeenCalledWith(
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{
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err: dbError,
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flyerData,
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code: '23505',
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constraint: undefined,
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detail: undefined,
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},
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'Database error in insertFlyer',
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);
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});
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it('should throw a generic error if the database query fails', async () => {
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const flyerData: FlyerDbInsert = { checksum: 'fail-checksum' } as FlyerDbInsert;
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mockPoolInstance.query.mockRejectedValue(new Error('DB Connection Error'));
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await expect(flyerRepo.insertFlyer(flyerData, mockLogger)).rejects.toThrow(
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'Failed to insert flyer into database.',
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);
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expect(mockLogger.error).toHaveBeenCalledWith(
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{ err: expect.any(Error), flyerData },
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'Database error in insertFlyer',
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);
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});
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it('should throw CheckConstraintError for invalid checksum format', async () => {
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const flyerData: FlyerDbInsert = { checksum: 'short' } as FlyerDbInsert;
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const dbError = new Error('violates check constraint "flyers_checksum_check"');
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(dbError as Error & { code: string }).code = '23514'; // Check constraint violation
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mockPoolInstance.query.mockRejectedValue(dbError);
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await expect(flyerRepo.insertFlyer(flyerData, mockLogger)).rejects.toThrow(
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CheckConstraintError,
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);
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await expect(flyerRepo.insertFlyer(flyerData, mockLogger)).rejects.toThrow(
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'The provided checksum is invalid or does not meet format requirements (e.g., must be a 64-character SHA-256 hash).',
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);
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});
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it('should throw CheckConstraintError for invalid status', async () => {
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const flyerData: FlyerDbInsert = { status: 'invalid_status' } as any;
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const dbError = new Error('violates check constraint "flyers_status_check"');
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(dbError as Error & { code: string }).code = '23514';
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mockPoolInstance.query.mockRejectedValue(dbError);
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await expect(flyerRepo.insertFlyer(flyerData, mockLogger)).rejects.toThrow(
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CheckConstraintError,
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);
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await expect(flyerRepo.insertFlyer(flyerData, mockLogger)).rejects.toThrow(
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'Invalid status provided for flyer.',
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);
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});
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it('should throw CheckConstraintError for invalid URL format', async () => {
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const flyerData: FlyerDbInsert = { image_url: 'not-a-url' } as FlyerDbInsert;
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const dbError = new Error('violates check constraint "url_check"');
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(dbError as Error & { code: string }).code = '23514';
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mockPoolInstance.query.mockRejectedValue(dbError);
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await expect(flyerRepo.insertFlyer(flyerData, mockLogger)).rejects.toThrow(
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CheckConstraintError,
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);
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// The implementation generates a detailed error message with the actual URLs.
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// The base URL depends on FRONTEND_URL env var, so we match the pattern instead of exact string.
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await expect(flyerRepo.insertFlyer(flyerData, mockLogger)).rejects.toThrow(
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/\[URL_CHECK_FAIL\] Invalid URL format\. Image: 'https?:\/\/[^']+\/not-a-url', Icon: 'null'/,
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);
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});
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});
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describe('insertFlyerItems', () => {
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it('should build a bulk INSERT query and return the new items', async () => {
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const itemsData: FlyerItemInsert[] = [
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{
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item: 'Milk',
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price_display: '$3.99',
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price_in_cents: 399,
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quantity: '1L',
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category_name: 'Dairy',
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view_count: 0,
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click_count: 0,
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},
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{
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item: 'Bread',
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price_display: '$2.49',
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price_in_cents: 249,
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quantity: '1 loaf',
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category_name: 'Bakery',
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view_count: 0,
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click_count: 0,
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},
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];
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const mockItems = itemsData.map((item, i) =>
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createMockFlyerItem({ ...item, flyer_item_id: i + 1, flyer_id: 1 }),
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);
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mockPoolInstance.query.mockResolvedValue({ rows: mockItems });
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const result = await flyerRepo.insertFlyerItems(1, itemsData, mockLogger);
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expect(result).toEqual(mockItems);
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expect(mockPoolInstance.query).toHaveBeenCalledTimes(1);
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// Check that the query string has two value placeholders
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expect(mockPoolInstance.query.mock.calls[0][0]).toContain(
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'VALUES ($1, $2, $3, $4, $5, $6, $7, $8), ($9, $10, $11, $12, $13, $14, $15, $16)',
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);
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// Check that the values array is correctly flattened
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expect(mockPoolInstance.query.mock.calls[0][1]).toEqual([
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1,
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'Milk',
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'$3.99',
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399,
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'1L',
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'Dairy',
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0,
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0,
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1,
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'Bread',
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'$2.49',
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249,
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'1 loaf',
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'Bakery',
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0,
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0,
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]);
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});
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it('should return an empty array and not query the DB if items array is empty', async () => {
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const result = await flyerRepo.insertFlyerItems(1, [], mockLogger);
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expect(result).toEqual([]);
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expect(mockPoolInstance.query).not.toHaveBeenCalled();
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});
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it('should throw ForeignKeyConstraintError if flyerId is invalid', async () => {
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const itemsData: FlyerItemInsert[] = [
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{
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item: 'Test',
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price_display: '$1',
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price_in_cents: 100,
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quantity: '1',
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category_name: 'Test',
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view_count: 0,
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click_count: 0,
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},
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];
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const dbError = new Error(
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'insert or update on table "flyer_items" violates foreign key constraint "flyer_items_flyer_id_fkey"',
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);
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(dbError as Error & { code: string }).code = '23503';
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mockPoolInstance.query.mockRejectedValue(dbError);
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await expect(flyerRepo.insertFlyerItems(999, itemsData, mockLogger)).rejects.toThrow(
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ForeignKeyConstraintError,
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);
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await expect(flyerRepo.insertFlyerItems(999, itemsData, mockLogger)).rejects.toThrow(
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'The specified flyer, category, master item, or product does not exist.',
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);
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expect(mockLogger.error).toHaveBeenCalledWith(
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{
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err: dbError,
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flyerId: 999,
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code: '23503',
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constraint: undefined,
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detail: undefined,
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},
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'Database error in insertFlyerItems',
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);
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});
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it('should throw a generic error if the database query fails', async () => {
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const dbError = new Error('DB Connection Error');
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mockPoolInstance.query.mockRejectedValue(dbError);
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// The implementation wraps the error using handleDbError
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await expect(
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flyerRepo.insertFlyerItems(1, [{ item: 'Test' } as FlyerItemInsert], mockLogger),
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).rejects.toThrow('An unknown error occurred while inserting flyer items.');
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expect(mockLogger.error).toHaveBeenCalledWith(
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{ err: dbError, flyerId: 1 },
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'Database error in insertFlyerItems',
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);
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});
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it('should sanitize empty or whitespace-only price_display to "N/A"', async () => {
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const itemsData: FlyerItemInsert[] = [
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{
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item: 'Free Item',
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price_display: '', // Empty string
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price_in_cents: 0,
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quantity: '1',
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category_name: 'Promo',
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view_count: 0,
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click_count: 0,
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},
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{
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item: 'Whitespace Item',
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price_display: ' ', // Whitespace only
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price_in_cents: null,
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quantity: '1',
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category_name: 'Promo',
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view_count: 0,
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click_count: 0,
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},
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];
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const mockItems = itemsData.map((item, i) =>
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createMockFlyerItem({ ...item, flyer_item_id: i + 1, flyer_id: 1 }),
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);
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mockPoolInstance.query.mockResolvedValue({ rows: mockItems });
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await flyerRepo.insertFlyerItems(1, itemsData, mockLogger);
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expect(mockPoolInstance.query).toHaveBeenCalledTimes(1);
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// Check that the values array passed to the query has null for price_display
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const queryValues = mockPoolInstance.query.mock.calls[0][1];
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expect(queryValues).toEqual([
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1, // flyerId for item 1
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'Free Item',
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'N/A', // Sanitized price_display for item 1
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0,
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'1',
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'Promo',
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0,
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0,
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1, // flyerId for item 2
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'Whitespace Item',
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'N/A', // Sanitized price_display for item 2
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null,
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'1',
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'Promo',
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0,
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0,
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]);
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});
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});
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describe('createFlyerAndItems', () => {
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it('should execute find/create store, insert flyer, and insert items using the provided client', async () => {
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const flyerData: FlyerInsert = {
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// This was a duplicate, fixed.
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file_name: 'transact.jpg',
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store_name: 'Transaction Store',
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} as FlyerInsert;
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const itemsData: FlyerItemInsert[] = [
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{
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item: 'Transactional Item',
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price_in_cents: 199,
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quantity: 'each',
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view_count: 0,
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click_count: 0,
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} as FlyerItemInsert,
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];
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const mockFlyer = createMockFlyer({ ...flyerData, flyer_id: 99, store_id: 1 });
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const mockItems = [
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createMockFlyerItem({
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...itemsData[0],
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flyer_id: 99,
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flyer_item_id: 101,
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master_item_id: undefined,
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}),
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];
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// Mock the sequence of 4 calls on the client
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const mockClient = { query: vi.fn() };
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mockClient.query
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// 1. findOrCreateStore: INSERT ... ON CONFLICT
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.mockResolvedValueOnce({ rows: [], rowCount: 0 })
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// 2. findOrCreateStore: SELECT store_id
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.mockResolvedValueOnce({ rows: [{ store_id: 1 }] })
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// 3. insertFlyer
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.mockResolvedValueOnce({ rows: [mockFlyer] })
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// 4. insertFlyerItems
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.mockResolvedValueOnce({ rows: mockItems });
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const result = await createFlyerAndItems(
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flyerData,
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itemsData,
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mockLogger,
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mockClient as unknown as PoolClient,
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);
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expect(result).toEqual({
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flyer: mockFlyer,
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items: mockItems,
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});
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// Verify the individual functions were called with the client
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// findOrCreateStore assertions
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expect(mockClient.query).toHaveBeenCalledWith(
|
|
'INSERT INTO public.stores (name) VALUES ($1) ON CONFLICT (name) DO NOTHING',
|
|
['Transaction Store'],
|
|
);
|
|
expect(mockClient.query).toHaveBeenCalledWith(
|
|
'SELECT store_id FROM public.stores WHERE name = $1',
|
|
['Transaction Store'],
|
|
);
|
|
// insertFlyer assertion
|
|
expect(mockClient.query).toHaveBeenCalledWith(
|
|
expect.stringContaining('INSERT INTO flyers'),
|
|
expect.any(Array),
|
|
);
|
|
// insertFlyerItems assertion
|
|
expect(mockClient.query).toHaveBeenCalledWith(
|
|
expect.stringContaining('INSERT INTO flyer_items'),
|
|
expect.any(Array),
|
|
);
|
|
});
|
|
|
|
it('should create a flyer with no items if items array is empty', async () => {
|
|
const flyerData: FlyerInsert = {
|
|
file_name: 'empty.jpg',
|
|
store_name: 'Empty Store',
|
|
} as FlyerInsert;
|
|
const itemsData: FlyerItemInsert[] = [];
|
|
const mockFlyer = createMockFlyer({ ...flyerData, flyer_id: 100, store_id: 2 });
|
|
|
|
const mockClient = { query: vi.fn() };
|
|
mockClient.query
|
|
.mockResolvedValueOnce({ rows: [], rowCount: 0 }) // findOrCreateStore (insert)
|
|
.mockResolvedValueOnce({ rows: [{ store_id: 2 }] }) // findOrCreateStore (select)
|
|
.mockResolvedValueOnce({ rows: [mockFlyer] }); // insertFlyer
|
|
|
|
const result = await createFlyerAndItems(
|
|
flyerData,
|
|
itemsData,
|
|
mockLogger,
|
|
mockClient as unknown as PoolClient,
|
|
);
|
|
|
|
expect(result).toEqual({
|
|
flyer: mockFlyer,
|
|
items: [],
|
|
});
|
|
expect(mockClient.query).toHaveBeenCalledTimes(3);
|
|
});
|
|
|
|
it('should propagate an error if any step fails', async () => {
|
|
const flyerData: FlyerInsert = {
|
|
file_name: 'fail.jpg',
|
|
store_name: 'Fail Store',
|
|
} as FlyerInsert;
|
|
const itemsData: FlyerItemInsert[] = [{ item: 'Failing Item' } as FlyerItemInsert];
|
|
const dbError = new Error('Underlying DB call failed');
|
|
|
|
// Mock the client to fail on the insertFlyer step
|
|
const mockClient = { query: vi.fn() };
|
|
mockClient.query
|
|
.mockResolvedValueOnce({ rows: [], rowCount: 0 })
|
|
.mockResolvedValueOnce({ rows: [{ store_id: 1 }] })
|
|
.mockRejectedValueOnce(dbError); // insertFlyer fails
|
|
|
|
// The calling service's withTransaction would catch this.
|
|
// Here, we just expect it to be thrown.
|
|
await expect(
|
|
createFlyerAndItems(flyerData, itemsData, mockLogger, mockClient as unknown as PoolClient),
|
|
// The error is wrapped by handleDbError, so we check for the wrapped error.
|
|
).rejects.toThrow(new DatabaseError('Failed to insert flyer into database.'));
|
|
});
|
|
});
|
|
|
|
describe('getAllBrands', () => {
|
|
it('should execute the correct SELECT query and return brands', async () => {
|
|
const mockBrands: Brand[] = [createMockBrand({ brand_id: 1, name: 'Test Brand' })];
|
|
mockPoolInstance.query.mockResolvedValue({ rows: mockBrands });
|
|
|
|
const result = await flyerRepo.getAllBrands(mockLogger);
|
|
|
|
expect(result).toEqual(mockBrands);
|
|
expect(mockPoolInstance.query).toHaveBeenCalledWith(
|
|
expect.stringContaining('FROM public.stores s'),
|
|
);
|
|
});
|
|
|
|
it('should throw an error if the database query fails', async () => {
|
|
const dbError = new Error('DB Error');
|
|
mockPoolInstance.query.mockRejectedValue(dbError);
|
|
await expect(flyerRepo.getAllBrands(mockLogger)).rejects.toThrow(
|
|
'Failed to retrieve brands from database.',
|
|
);
|
|
expect(mockLogger.error).toHaveBeenCalledWith(
|
|
{ err: dbError },
|
|
'Database error in getAllBrands',
|
|
);
|
|
});
|
|
});
|
|
|
|
describe('getFlyerById', () => {
|
|
it('should return a flyer if found', async () => {
|
|
const mockFlyer = createMockFlyer({ flyer_id: 123 });
|
|
mockPoolInstance.query.mockResolvedValue({ rows: [mockFlyer] });
|
|
|
|
const result = await flyerRepo.getFlyerById(123);
|
|
|
|
expect(result).toEqual(mockFlyer);
|
|
expect(mockPoolInstance.query).toHaveBeenCalledWith(
|
|
'SELECT * FROM public.flyers WHERE flyer_id = $1',
|
|
[123],
|
|
);
|
|
});
|
|
|
|
it('should throw NotFoundError if flyer is not found', async () => {
|
|
mockPoolInstance.query.mockResolvedValue({ rowCount: 0, rows: [] });
|
|
await expect(flyerRepo.getFlyerById(999)).rejects.toThrow(NotFoundError);
|
|
await expect(flyerRepo.getFlyerById(999)).rejects.toThrow('Flyer with ID 999 not found.');
|
|
});
|
|
});
|
|
|
|
describe('getFlyers', () => {
|
|
it('should use default limit and offset when none are provided', async () => {
|
|
console.log('[TEST DEBUG] Running test: getFlyers > should use default limit and offset');
|
|
const mockFlyers: Flyer[] = [createMockFlyer({ flyer_id: 1 })];
|
|
mockPoolInstance.query.mockResolvedValue({ rows: mockFlyers });
|
|
|
|
await flyerRepo.getFlyers(mockLogger);
|
|
|
|
console.log(
|
|
'[TEST DEBUG] mockPoolInstance.query calls:',
|
|
JSON.stringify(mockPoolInstance.query.mock.calls, null, 2),
|
|
);
|
|
|
|
expect(mockPoolInstance.query).toHaveBeenCalledWith(
|
|
expect.stringContaining('FROM public.flyers f'),
|
|
[20, 0], // Default values
|
|
);
|
|
});
|
|
|
|
it('should use provided limit and offset values', async () => {
|
|
console.log('[TEST DEBUG] Running test: getFlyers > should use provided limit and offset');
|
|
const mockFlyers: Flyer[] = [createMockFlyer({ flyer_id: 1 })];
|
|
mockPoolInstance.query.mockResolvedValue({ rows: mockFlyers });
|
|
|
|
await flyerRepo.getFlyers(mockLogger, 10, 5);
|
|
|
|
console.log(
|
|
'[TEST DEBUG] mockPoolInstance.query calls:',
|
|
JSON.stringify(mockPoolInstance.query.mock.calls, null, 2),
|
|
);
|
|
|
|
expect(mockPoolInstance.query).toHaveBeenCalledWith(
|
|
expect.stringContaining('FROM public.flyers f'),
|
|
[10, 5], // Provided values
|
|
);
|
|
});
|
|
|
|
it('should throw an error if the database query fails', async () => {
|
|
const dbError = new Error('DB Error');
|
|
mockPoolInstance.query.mockRejectedValue(dbError);
|
|
await expect(flyerRepo.getFlyers(mockLogger)).rejects.toThrow(
|
|
'Failed to retrieve flyers from database.',
|
|
);
|
|
expect(mockLogger.error).toHaveBeenCalledWith(
|
|
{ err: dbError, limit: 20, offset: 0 },
|
|
'Database error in getFlyers',
|
|
);
|
|
});
|
|
});
|
|
|
|
describe('getFlyerItems', () => {
|
|
it('should return items for a specific flyer', async () => {
|
|
const mockItems: FlyerItem[] = [createMockFlyerItem({ flyer_id: 456 })];
|
|
mockPoolInstance.query.mockResolvedValue({ rows: mockItems });
|
|
|
|
const result = await flyerRepo.getFlyerItems(456, mockLogger);
|
|
|
|
expect(result).toEqual(mockItems);
|
|
expect(mockPoolInstance.query).toHaveBeenCalledWith(
|
|
expect.stringContaining('WHERE flyer_id = $1'),
|
|
[456],
|
|
);
|
|
});
|
|
|
|
it('should return an empty array if flyer has no items', async () => {
|
|
mockPoolInstance.query.mockResolvedValue({ rows: [] });
|
|
const result = await flyerRepo.getFlyerItems(456, mockLogger);
|
|
expect(result).toEqual([]);
|
|
});
|
|
|
|
it('should throw an error if the database query fails', async () => {
|
|
const dbError = new Error('DB Error');
|
|
mockPoolInstance.query.mockRejectedValue(dbError);
|
|
await expect(flyerRepo.getFlyerItems(456, mockLogger)).rejects.toThrow(
|
|
'Failed to retrieve flyer items from database.',
|
|
);
|
|
expect(mockLogger.error).toHaveBeenCalledWith(
|
|
{ err: dbError, flyerId: 456 },
|
|
'Database error in getFlyerItems',
|
|
);
|
|
});
|
|
});
|
|
|
|
describe('getFlyerItemsForFlyers', () => {
|
|
it('should return items for multiple flyers using ANY', async () => {
|
|
mockPoolInstance.query.mockResolvedValue({ rows: [] });
|
|
await flyerRepo.getFlyerItemsForFlyers([1, 2, 3], mockLogger);
|
|
expect(mockPoolInstance.query).toHaveBeenCalledWith(
|
|
expect.stringContaining('flyer_id = ANY($1::int[])'),
|
|
[[1, 2, 3]],
|
|
);
|
|
});
|
|
|
|
it('should return an empty array if no items are found for the given flyer IDs', async () => {
|
|
mockPoolInstance.query.mockResolvedValue({ rows: [] });
|
|
const result = await flyerRepo.getFlyerItemsForFlyers([1, 2, 3], mockLogger);
|
|
expect(result).toEqual([]);
|
|
});
|
|
|
|
it('should throw an error if the database query fails', async () => {
|
|
const dbError = new Error('DB Error');
|
|
mockPoolInstance.query.mockRejectedValue(dbError);
|
|
await expect(flyerRepo.getFlyerItemsForFlyers([1, 2, 3], mockLogger)).rejects.toThrow(
|
|
'Failed to retrieve flyer items in batch from database.',
|
|
);
|
|
expect(mockLogger.error).toHaveBeenCalledWith(
|
|
{ err: dbError, flyerIds: [1, 2, 3] },
|
|
'Database error in getFlyerItemsForFlyers',
|
|
);
|
|
});
|
|
});
|
|
|
|
describe('countFlyerItemsForFlyers', () => {
|
|
it('should return the total count of items', async () => {
|
|
mockPoolInstance.query.mockResolvedValue({ rows: [{ count: '42' }] });
|
|
const result = await flyerRepo.countFlyerItemsForFlyers([1, 2], mockLogger);
|
|
expect(result).toBe(42);
|
|
expect(mockPoolInstance.query).toHaveBeenCalledWith(
|
|
expect.stringContaining('SELECT COUNT(*)'),
|
|
[[1, 2]],
|
|
);
|
|
});
|
|
|
|
it('should return 0 if the flyerIds array is empty', async () => {
|
|
// The implementation should short-circuit and return 0 without a query.
|
|
const result = await flyerRepo.countFlyerItemsForFlyers([], mockLogger);
|
|
expect(result).toBe(0);
|
|
});
|
|
|
|
it('should throw an error if the database query fails', async () => {
|
|
const dbError = new Error('DB Error');
|
|
mockPoolInstance.query.mockRejectedValue(dbError);
|
|
await expect(flyerRepo.countFlyerItemsForFlyers([1, 2], mockLogger)).rejects.toThrow(
|
|
'Failed to count flyer items in batch from database.',
|
|
);
|
|
expect(mockLogger.error).toHaveBeenCalledWith(
|
|
{ err: dbError, flyerIds: [1, 2] },
|
|
'Database error in countFlyerItemsForFlyers',
|
|
);
|
|
});
|
|
});
|
|
|
|
describe('findFlyerByChecksum', () => {
|
|
it('should return a flyer for a given checksum', async () => {
|
|
const mockFlyer = createMockFlyer({ checksum: 'abc' });
|
|
mockPoolInstance.query.mockResolvedValue({ rows: [mockFlyer] });
|
|
const result = await flyerRepo.findFlyerByChecksum('abc', mockLogger);
|
|
expect(result).toEqual(mockFlyer);
|
|
expect(mockPoolInstance.query).toHaveBeenCalledWith(
|
|
'SELECT * FROM public.flyers WHERE checksum = $1',
|
|
['abc'],
|
|
);
|
|
});
|
|
|
|
it('should return undefined if no flyer is found for the checksum', async () => {
|
|
mockPoolInstance.query.mockResolvedValue({ rows: [] });
|
|
const result = await flyerRepo.findFlyerByChecksum('not-found', mockLogger);
|
|
expect(result).toBeUndefined();
|
|
});
|
|
|
|
it('should throw an error if the database query fails', async () => {
|
|
const dbError = new Error('DB Error');
|
|
mockPoolInstance.query.mockRejectedValue(dbError);
|
|
await expect(flyerRepo.findFlyerByChecksum('abc', mockLogger)).rejects.toThrow(
|
|
'Failed to find flyer by checksum in database.',
|
|
);
|
|
expect(mockLogger.error).toHaveBeenCalledWith(
|
|
{ err: dbError, checksum: 'abc' },
|
|
'Database error in findFlyerByChecksum',
|
|
);
|
|
});
|
|
});
|
|
|
|
describe('trackFlyerItemInteraction', () => {
|
|
it('should increment view_count for a "view" interaction', async () => {
|
|
mockPoolInstance.query.mockResolvedValue({ rows: [] });
|
|
await flyerRepo.trackFlyerItemInteraction(101, 'view', mockLogger);
|
|
expect(mockPoolInstance.query).toHaveBeenCalledWith(
|
|
expect.stringContaining('SET view_count = view_count + 1'),
|
|
[101],
|
|
);
|
|
});
|
|
|
|
it('should increment click_count for a "click" interaction', async () => {
|
|
mockPoolInstance.query.mockResolvedValue({ rows: [] });
|
|
await flyerRepo.trackFlyerItemInteraction(102, 'click', mockLogger);
|
|
expect(mockPoolInstance.query).toHaveBeenCalledWith(
|
|
expect.stringContaining('SET click_count = click_count + 1'),
|
|
[102],
|
|
);
|
|
});
|
|
|
|
it('should not throw an error if the database query fails (fire-and-forget)', async () => {
|
|
const dbError = new Error('DB Error');
|
|
mockPoolInstance.query.mockRejectedValue(dbError);
|
|
// The function is designed to swallow errors, so we expect it to resolve.
|
|
await expect(
|
|
flyerRepo.trackFlyerItemInteraction(103, 'view', mockLogger),
|
|
).resolves.toBeUndefined();
|
|
expect(mockLogger.error).toHaveBeenCalledWith(
|
|
{ err: dbError, flyerItemId: 103, interactionType: 'view' },
|
|
'Database error in trackFlyerItemInteraction (non-critical)',
|
|
);
|
|
});
|
|
});
|
|
|
|
describe('deleteFlyer', () => {
|
|
it('should use withTransaction to delete a flyer', async () => {
|
|
// Create a mock client that we can reference both inside and outside the transaction mock.
|
|
const mockClientQuery = vi.fn();
|
|
|
|
vi.mocked(withTransaction).mockImplementation(async (callback) => {
|
|
const mockClient = { query: mockClientQuery };
|
|
mockClientQuery.mockResolvedValueOnce({ rowCount: 1 });
|
|
return callback(mockClient as unknown as PoolClient);
|
|
});
|
|
|
|
await flyerRepo.deleteFlyer(42, mockLogger);
|
|
|
|
expect(mockClientQuery).toHaveBeenCalledWith(
|
|
'DELETE FROM public.flyers WHERE flyer_id = $1',
|
|
[42],
|
|
);
|
|
expect(withTransaction).toHaveBeenCalledTimes(1);
|
|
});
|
|
|
|
it('should throw an error if the flyer to delete is not found', async () => {
|
|
const mockClient = { query: vi.fn().mockResolvedValue({ rowCount: 0 }) };
|
|
vi.mocked(withTransaction).mockImplementation((cb) =>
|
|
cb(mockClient as unknown as PoolClient),
|
|
);
|
|
|
|
await expect(flyerRepo.deleteFlyer(999, mockLogger)).rejects.toThrow(
|
|
'Flyer with ID 999 not found.',
|
|
);
|
|
});
|
|
|
|
it('should rollback transaction on generic error', async () => {
|
|
const dbError = new Error('DB Error');
|
|
vi.mocked(withTransaction).mockImplementation(async (_callback) => {
|
|
throw dbError; // Simulate error during transaction
|
|
});
|
|
|
|
await expect(flyerRepo.deleteFlyer(42, mockLogger)).rejects.toThrow(
|
|
'Failed to delete flyer.',
|
|
); // This was a duplicate, fixed.
|
|
expect(mockLogger.error).toHaveBeenCalledWith(
|
|
{ err: dbError, flyerId: 42 },
|
|
'Database transaction error in deleteFlyer',
|
|
);
|
|
});
|
|
});
|
|
});
|