.resolves async/await Error handling .rejects First, enable Babel support in Jest as documented in the Getting Started guide. Let's implement a simple module that fetches us...

Testing Asynchronous Code 回调 Promises .resolves / .rejects Async/Await Testing Asynchronous Code 在JavaScript中执行异步代码是很常见的。 当你有以异步方式运行的代码时，Jest 需要知道当前它测试的代码是否已完成，然后它可以转移到另一...

Testing Asynchronous Code 回调 Promises .resolves / .rejects Async/Await Testing Asynchronous Code 在JavaScript中执行异步代码是很常见的。 当你有以异步方式运行的代码时，Jest 需要知道当前它测试的代码是否已完成，然后它可以转移到另一...

An Async Example .resolves async /await 错误处理 .rejects An Async Example 首先, 像 Getting Started 里面所说的那样, 启用babel的支持 Let’s implement a module that fetches user data from a...

与 puppeteer 一起使用 Use jest-puppeteer Preset Custom example without jest-puppeteer preset 与 puppeteer 一起使用 通过 Global Setup/Teardown 和 Async Test Environment 这些 API, Jest 可以很丝滑...

Using Observables From Other Sources Observable HTTP Events Observable Form Events Using Observables From Other Sources In the example above we created Observables from scra...

Appendix A: asynquence Library Appendix A: asynquence Library Chapters 1 and 2 went into quite a bit of detail about typical asynchronous programming patterns and how they’re c...

Reply Introduction .code(statusCode) .statusCode .header(key, value) .headers(object) .getHeader(key) .getHeaders() .removeHeader(key) .hasHeader(key) .redirect([code ,] d...

Reply Introduction .code(statusCode) .statusCode .header(key, value) .headers(object) .getHeader(key) .getHeaders() .removeHeader(key) .hasHeader(key) .redirect([code ,] d...

You Don’t Know JS: Async & Performance You Don’t Know JS: Async & Performance Purchase digital/print copy from O’Reilly Table of Contents Foreword (by Jake Archibald...