[英]WaitForNextUpdate of renderHook of react-testing-library timeout
[英]What is the suitable type for renderHook in react-testing-library and TypeScript?
我想用react-testing-library
測試一個自定義鈎子,因此,我將此代碼添加到 beforeEach 中:
let renderedHook ;
beforeEach(() => {
renderedHook = renderHook(() => useFetch());
});
test('.....', () => {
expect(renderedHook.current.data).toBe(1);
});
上面的代碼運行良好! 但我使用的是 TypeScript,在這種情況下,什么是let renderedHook
renderHook 的合適類型?
如果您的 IDE 或編輯器支持“Go to Definition”功能,您可以檢查renderHook
的 TS 類型。
renderHook的返回類型是renderHook
例如
import { Renderer, renderHook, RenderHookResult } from '@testing-library/react-hooks';
import { useState } from 'react';
const useFetch = () => {
const [data] = useState(1);
return { data };
};
let renderedHook: RenderHookResult<unknown, { data: number }, Renderer<unknown>>;
describe('72601993', () => {
beforeEach(() => {
renderedHook = renderHook(() => useFetch());
});
test('.....', () => {
expect(renderedHook.result.current.data).toBe(1);
});
});
包版本:
"@testing-library/react-hooks": "^8.0.0",
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