maaz519
8ce647552a
TemplateService.render(source, vars, opts) → { content, provenance }. Stored
key → resolve+render; inline → render without a DB row (key/version null);
explicit version pins. Provenance = {templateKey, version, locale, sha256(content)}.
10 tests (svc + repo).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
56 lines
2.9 KiB
TypeScript
56 lines
2.9 KiB
TypeScript
import { describe, it, expect, beforeAll, afterAll, beforeEach } from 'vitest';
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import { PrismaClient } from '@prisma/client';
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import { resetDb } from '../test-utils/reset-db';
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import { TemplateRepository } from './template.repository';
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import { TemplateService } from './template.service';
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import { TemplateNotFoundError } from './template.repository';
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import type { PrismaService } from '../prisma/prisma.service';
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const url = process.env.DATABASE_URL ?? 'postgresql://iios:iios@localhost:5434/iios?schema=public';
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const prisma = new PrismaClient({ datasources: { db: { url } } });
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const svc = new TemplateService(new TemplateRepository(prisma as unknown as PrismaService));
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beforeAll(async () => { await prisma.$connect(); });
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afterAll(async () => { await prisma.$disconnect(); });
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beforeEach(async () => { await resetDb(prisma); });
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describe('TemplateService.render', () => {
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it('resolves a stored template and renders it, with provenance', async () => {
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await prisma.iiosMessageTemplate.create({
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data: { key: 'welcome', channel: 'EMAIL', locale: 'en', version: 2, subject: 'Hi {{firstName}}', bodyHtml: '<p>{{firstName}}</p>', variables: ['firstName'] },
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});
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const { content, provenance } = await svc.render({ key: 'welcome' }, { firstName: 'Dana' }, { channel: 'EMAIL' });
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expect(content.subject).toBe('Hi Dana');
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expect(content.html).toBe('<p>Dana</p>');
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expect(provenance).toMatchObject({ templateKey: 'welcome', templateVersion: 2, templateLocale: 'en' });
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expect(provenance.renderedHash).toMatch(/^[a-f0-9]{64}$/);
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});
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it('renders an inline source without a DB row (key/version null)', async () => {
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const { content, provenance } = await svc.render(
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{ inline: { subject: 'Ad-hoc {{x}}', html: '<b>{{x}}</b>', variables: ['x'] } },
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{ x: 'Y' },
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{ channel: 'EMAIL' },
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);
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expect(content.subject).toBe('Ad-hoc Y');
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expect(content.html).toBe('<b>Y</b>');
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expect(provenance.templateKey).toBeNull();
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expect(provenance.templateVersion).toBeNull();
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expect(provenance.renderedHash).toMatch(/^[a-f0-9]{64}$/);
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});
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it('pins to an explicit version when asked', async () => {
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await prisma.iiosMessageTemplate.create({ data: { key: 'k', channel: 'EMAIL', locale: 'en', version: 1, bodyText: 'v1' } });
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await prisma.iiosMessageTemplate.create({ data: { key: 'k', channel: 'EMAIL', locale: 'en', version: 2, bodyText: 'v2' } });
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const latest = await svc.render({ key: 'k' }, {}, { channel: 'EMAIL' });
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const pinned = await svc.render({ key: 'k', version: 1 }, {}, { channel: 'EMAIL' });
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expect(latest.content.text).toBe('v2');
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expect(pinned.content.text).toBe('v1');
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expect(pinned.provenance.templateVersion).toBe(1);
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});
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it('throws for an unknown stored key', async () => {
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await expect(svc.render({ key: 'missing' }, {}, { channel: 'EMAIL' })).rejects.toBeInstanceOf(TemplateNotFoundError);
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});
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});
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