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* Turkish language created for Docs. Belgeler için türkçe dil desteği oluşturuldu. * Turkish docs fix
164 lines
4.0 KiB
Markdown
164 lines
4.0 KiB
Markdown
# 单元测试
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## 介绍
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NocoBase 的测试基于 [Jest](https://jestjs.io/) 测试框架。同时，为了方便的编写测试，我们提供了两个工具类，在测试环境模拟正常的数据库和应用的服务端。
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### MockDatabase
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模拟数据库类继承自 [`Database`](/api/database) 类，大部分内容没有区别，主要在构造函数默认内置了随机表前缀，在每个测试用例初始化数据库时相关数据表都通过前缀名称与其他用例进行隔离，在运行测试用例时互不影响。
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```ts
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import { MockDatabase } from '@nocobase/test';
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describe('my suite', () => {
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let db;
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beforeEach(async () => {
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db = new MockDatabase();
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db.collection({
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name: 'posts',
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fields: [
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{
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type: 'string',
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name: 'title',
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}
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]
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});
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await db.sync();
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});
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test('my case', async () => {
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const postRepository = db.getRepository('posts');
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const p1 = await postRepository.create({
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values: {
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title: 'hello'
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}
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});
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expect(p1.get('title')).toEqual('hello');
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});
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});
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```
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### MockServer
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模拟服务器也继承自 [Application](/api/server/application) 类，除了内置的数据库实例是通过模拟数据库类生成的以外，还提供了比较方便的生成基于 [superagent](https://www.npmjs.com/package/superagent) 请求代理功能，针对从发送请求到获取响应的写法也集成了 `.resource('posts').create()`，比较简化。
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```ts
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import { mockServer } from '@nocobase/test';
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describe('my suite', () => {
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let app;
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let agent;
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let db;
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beforeEach(async () => {
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app = mockServer();
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agent = app.agent();
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db.collection({
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name: 'posts',
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fields: [
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{
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type: 'string',
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name: 'title',
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}
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]
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});
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await db.sync();
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await app.load();
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});
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test('my case', async () => {
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const { body } = await agent.resource('posts').create({
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values: {
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title: 'hello'
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}
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});
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expect(body.data.title).toEqual('hello');
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});
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});
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```
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## 示例
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我们以之前在 [资源与操作](development/guide/resources-actions) 章节的功能为例，来写一个插件的测试：
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```ts
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import { mockServer } from '@nocobase/test';
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import Plugin from '../../src/server';
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describe('shop actions', () => {
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let app;
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let agent;
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let db;
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beforeEach(async () => {
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app = mockServer();
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app.plugin(Plugin);
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agent = app.agent();
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db = app.db;
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await app.load();
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await db.sync();
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});
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afterEach(async () => {
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await app.destroy();
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});
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test('product order case', async () => {
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const { body: product } = await agent.resource('products').create({
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values: {
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title: 'iPhone 14 Pro',
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price: 7999,
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enabled: true,
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inventory: 1
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}
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});
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expect(product.data.price).toEqual(7999);
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const { body: order } = await agent.resource('orders').create({
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values: {
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productId: product.data.id
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}
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});
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expect(order.data.totalPrice).toEqual(7999);
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expect(order.data.status).toEqual(0);
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const { body: deliveredOrder } = await agent.resource('orders').deliver({
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filterByTk: order.data.id,
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values: {
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provider: 'SF',
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trackingNumber: '123456789'
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}
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});
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expect(deliveredOrder.data.status).toBe(2);
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expect(deliveredOrder.data.delivery.trackingNumber).toBe('123456789');
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});
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});
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```
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编写完成后，在命令行中允许测试命令：
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```bash
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yarn test packages/samples/shop-actions
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```
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该测试将验证：
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1. 商品可以创建成功；
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2. 订单可以创建成功；
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3. 订单可以发货成功；
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当然这只是个最基本的例子，从业务上来说并不完善，但作为示例已经可以说明整个测试的流程。
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## 小结
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本章涉及的示例代码整合在对应的包 [packages/samples/shop-actions](https://github.com/nocobase/nocobase/tree/main/packages/samples/shop-actions) 中，可以直接在本地运行，查看效果。
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