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134 lines
4.1 KiB
Markdown
134 lines
4.1 KiB
Markdown
---
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id: unit-testing(单元-测试)
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title: "单元测试"
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---
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所有测试都被分成3 个文件夹:
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- `test/unit` - 涵盖非平凡方式转换数据的功能测试。这些测试只 `require()` 一些文件并在其中运行代码,因此它们是非常快的。
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- `test/functional` - 启动verdaccio instance并在 http上执行一系列请求的测试。它们比单元测试慢一些。
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- `test/integration` - 启动verdaccio instance并用 npm对其执行请求的测试。它们真的很慢并能打击到真的npm registry。 **unmaintained test**
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单元和功能测试是从项目根目录里运行 `npm test` 来自动执行的。集成测试应该时常手动执行。
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我们所有测试都使用 `jest`。
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## Npm 脚本
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要运行测试脚本,您可以使用 `npm` 或 `yarn`。
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yarn run test
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这将只会触发测试,单元和功能的前两组。
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### 使用测试/单元
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以下只是单元测试的一个例子。基本上遵守`jest` 标准。
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请试着描述单元在 `test` 部分页眉里的单一句子里确切测试什么。
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```javacript
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const verdaccio = require('../../src/api/index');
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const config = require('./partials/config');
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describe('basic system test', () => {
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beforeAll(function(done) {
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// something important
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});
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afterAll((done) => {
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// undo something important
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});
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test('server should respond on /', done => {
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// your test
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done();
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});
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});
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```
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### 使用测试/功能
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Verdaccio 中的功能测试有点复杂,需要深入解释来让您有成功的体验。
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一切从`index.js`文件开始。让我们来深入了解它吧。
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```javascript
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// we create 3 server instances
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const config1 = new VerdaccioConfig(
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'./store/test-storage',
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'./store/config-1.yaml',
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'http://localhost:55551/');
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const config2 = new VerdaccioConfig(
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'./store/test-storage2',
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'./store/config-2.yaml',
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'http://localhost:55552/');
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const config3 = new VerdaccioConfig(
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'./store/test-storage3',
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'./store/config-3.yaml',
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'http://localhost:55553/');
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const server1: IServerBridge = new Server(config1.domainPath);
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const server2: IServerBridge = new Server(config2.domainPath);
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const server3: IServerBridge = new Server(config3.domainPath);
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const process1: IServerProcess = new VerdaccioProcess(config1, server1, SILENCE_LOG);
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const process2: IServerProcess = new VerdaccioProcess(config2, server2, SILENCE_LOG);
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const process3: IServerProcess = new VerdaccioProcess(config3, server3, SILENCE_LOG);
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const express: any = new ExpressServer();
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...
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// we check whether all instances has been started, since run in independent processes
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beforeAll((done) => {
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Promise.all([
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process1.init(),
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process2.init(),
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process3.init()]).then((forks) => {
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_.map(forks, (fork) => {
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processRunning.push(fork[0]);
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});
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express.start(EXPRESS_PORT).then((app) =>{
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done();
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}, (err) => {
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done(err);
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});
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}).catch((error) => {
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done(error);
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});
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});
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// after finish all, we ensure are been stoped
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afterAll(() => {
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_.map(processRunning, (fork) => {
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fork.stop();
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});
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express.server.close();
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});
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```
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### 使用
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这里我们将描述常规功能测试看起来是什么样的,请核对内联了解更多详细信息。
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#### The lib/server.js
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服务器 class(类)只是模拟 `npm` client 的 wrapper类,它为功能测试提供简单的API。
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如我们在之前的章节里提到的, 我们正创建3 个流程服务器,可以在每个流程里以`server1`, `server2` 和 ``server3`进行访问。
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通过这样的引用,您可以给这任何3 个运行的instance 发送请求。
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```javascript
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<br />export default function(server) {
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// we recieve any server instance via arguments
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test('add tag - 404', () => {
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// we interact with the server instance.
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return server.addTag('testpkg-tag', 'tagtagtag', '0.0.1').status(404).body_error(/no such package/);
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});
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});
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```
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### 测试/集成
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这些部分还没有被使用,但是我们在寻求帮助来让它正常运转。**欢迎任何新的想法。** |