何时在angular中使用waitForAsync [英] When to use waitForAsync in angular

问题描述

从文档中我们可以阅读:

From documentation we can read:

waitForAsync(fn: Function): (done: any) => any

在异步测试区域中包装测试功能.测试将 在该区域内的所有异步调用时自动完成 完成.可用于包装注入调用.

Wraps a test function in an asynchronous test zone. The test will automatically complete when all asynchronous calls within this zone are done. Can be used to wrap an inject call.

我不明白，什么时候使用waitForAsync函数? waitForAsync与(async或fakeAsync)之间有什么区别?

I could not understand, when to use waitForAsync function? What's the difference between waitForAsync vs (async or fakeAsync)?

推荐答案

在Angular 10.1.0中，waitForAsync()替换了async()

In Angular 10.1.0, waitForAsync() has replaced async() to avoid confusion, but is otherwise exactly the same. Any documentation you see that discusses using async() will also apply to waitForAsync(). async() has been marked as deprecated and will be removed entirely in version 12.

这篇关于何时在angular中使用waitForAsync的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！