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How to use unmountHook method in testing-library-react-hooks

Best JavaScript code snippet using testing-library-react-hooks

registerSubApp.js

Source:registerSubApp.js

...85            parentStore = null;86            // å»é¤ååºç¨åå api æè½½87            delete Vue.prototype[`$${microName}Api`];88            // è°ç¨ååºç¨unmounté©åæ¹æ³89            unmountHook && isFunction(unmountHook) && unmountHook();90        }91    }92}93async function render(94    { microName, microRoutes, microMessages, microStore, microEl, routeMatch, __qiankun__, clearAxiosCancel },95    { routes, routerBase, container, i18n, parentStore }) {96    // çå¾ v2 æ¥å£é»è¾å¤çå®æï¼åè¿è¡è·¯ç±å¹éï¼å¦åæ¿ä¸å°ç¸å³æ°æ®97    const {98        state: { menu: { menuDataPromise } = ({} = {}) },99    } = parentStore || {};100    if (menuDataPromise) {101        try {102            await menuDataPromise;103        } catch (e) {...

index.ts

Source:index.ts

1import { CreateRenderer, Renderer, RenderResult, RenderHookOptions } from '../types'2import { asyncUtils } from './asyncUtils'3import { cleanup, addCleanup, removeCleanup } from './cleanup'4import { suppressErrorOutput } from './console'5function resultContainer<TValue>() {6  const results: Array<{ value?: TValue; error?: Error }> = []7  const resolvers: Array<() => void> = []8  const result: RenderResult<TValue> = {9    get all() {10      return results.map(({ value, error }) => error ?? (value as TValue))11    },12    get current() {13      const { value, error } = results[results.length - 1] ?? {}14      if (error) {15        throw error16      }17      return value as TValue18    },19    get error() {20      const { error } = results[results.length - 1] ?? {}21      return error22    }23  }24  const updateResult = (value?: TValue, error?: Error) => {25    results.push({ value, error })26    resolvers.splice(0, resolvers.length).forEach((resolve) => resolve())27  }28  return {29    result,30    addResolver: (resolver: () => void) => {31      resolvers.push(resolver)32    },33    setValue: (value: TValue) => updateResult(value),34    setError: (error: Error) => updateResult(undefined, error)35  }36}37function createRenderHook<38  TProps,39  TResult,40  TRendererOptions extends object,41  TRenderer extends Renderer<TProps>42>(createRenderer: CreateRenderer<TProps, TResult, TRendererOptions, TRenderer>) {43  const renderHook = (44    callback: (props: TProps) => TResult,45    options = {} as RenderHookOptions<TProps> & TRendererOptions46  ) => {47    const { result, setValue, setError, addResolver } = resultContainer<TResult>()48    const renderProps = { callback, setValue, setError }49    let hookProps = options.initialProps50    const { render, rerender, unmount, act, ...renderUtils } = createRenderer(renderProps, options)51    render(hookProps)52    const rerenderHook = (newProps = hookProps) => {53      hookProps = newProps54      rerender(hookProps)55    }56    const unmountHook = () => {57      removeCleanup(unmountHook)58      unmount()59    }60    addCleanup(unmountHook)61    return {62      result,63      rerender: rerenderHook,64      unmount: unmountHook,65      ...asyncUtils(act, addResolver),66      ...renderUtils67    }68  }69  return renderHook70}...

HOOKS.js

Source:HOOKS.js

1import React, { useState, useEffect } from 'react'2const useMounted = () => {3  const [mounted, setMounted] = useState(false)4  const mountedHook = () => {5    console.log('mounted')6    setMounted(true)7  }8  const unmountHook = () => {9    console.log('unmount')10    setMounted(false)11  }12  useEffect(() => {13    !mounted && mountedHook()14    return unmountHook15  }, [])16  return mounted17}18export default function HOOKS() {19  const [count, setCount] = useState(0)20  const componentDidUpdate = () => {21    console.log('update')22  }23  const mounted = useMounted()24  useEffect(() => {25    mounted && componentDidUpdate()26  })27  return (28    <div>29      you has clicked {count} times30      <div>31        <button onClick={() => void setCount(count + 1)}>Click</button>32      </div>33    </div>34  )...

Using AI Code Generation

1import { unmountHook } from '@testing-library/react-hooks';2import { renderHook } from '@testing-library/react-hooks';3import { act } from '@testing-library/react-hooks';4import { cleanup } from '@testing-library/react-hooks';5import { fireEvent } from '@testing-library/react-hooks';6import { render } from '@testing-library/react-hooks';7import { waitForElementToBeRemoved } from '@testing-library/react-hooks';8import { waitForDomChange } from '@testing-library/react-hooks';9import { waitForElement } from '@testing-library/react-hooks';10import { waitForElementToBeRemoved } from '@testing-library/react-hooks';11import { waitFor } from '@testing-library/react-hooks';12import { within } from '@testing-library/react-hooks';13import { wait } from '@testing-library/react-hooks';14import { screen } from '@testing-library/react-hooks';15import { prettyDOM } from '@testing-library/react-hooks';16import { queryHelpers } from '@testing-library/react-hooks';17import { queryByAttribute } from '@testing-library/react-hooks';18import { queryAllByAttribute } from '@testing-library/react-hooks';19import { queryByDisplayValue } from '@testing-library/react-hooks';20import { queryAllByDisplayValue } from '@testing-library

Using AI Code Generation

1import { unmountHook } from 'react-hooks-testing-library';2import { renderHook } from 'react-hooks-testing-library';3import { act } from 'react-hooks-testing-library';4import { cleanup } from 'react-hooks-testing-library';5import { useCounter } from '../hooks/useCounter';6afterEach(cleanup);7afterEach(() => {8  unmountHook();9  cleanup();10});11test('should increment counter', () => {12  const { result } = renderHook(() => useCounter());13  act(() => {14    result.current.increment();15  });16  expect(result.current.count).toBe(1);17});18test('should decrement counter', () => {19  const { result } = renderHook(() => useCounter());20  act(() => {21    result.current.decrement();22  });23  expect(result.current.count).toBe(-1);24});25test('should reset counter', () => {26  const { result } = renderHook(() => useCounter());27  act(() => {28    result.current.increment();29    result.current.increment();30    result.current.reset();31  });32  expect(result.current.count).toBe(0);33});34test('should set initial count', () => {35  const { result } = renderHook(() => useCounter(5));36  expect(result.current.count).toBe(5);37});38test('should set initial count and step', () => {

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { useCounter } from './useCounter';3describe('useCounter', () => {4  it('should increment counter', () => {5    const { result } = renderHook(() => useCounter());6    act(() => {7      result.current.increment();8    });9    expect(result.current.count).toBe(1);10  });11});12export const useCounter = () => {13  const [count, setCount] = useState(0);14  const increment = () => {15    setCount(count + 1);16  };17  return {18  };19};20import { useCounter } from './useCounter';21const App = () => {22  const { count, increment } = useCounter();23  return (24      <h1>{count}</h1>25      <button onClick={increment}>Increment</button>26  );27};28export default App;29import { renderHook, act, waitForNextUpdate } from '@testing-library/react-hooks';30import { useCounter } from './useCounter';31describe('useCounter', () => {32  it('should increment counter', () => {33    const { result, waitForNextUpdate } = renderHook(() => useCounter());34    act(() => {35      result.current.increment();36    });37    expect(result.current.count).toBe(1);38  });39  it('should fetch data', async () => {40    const { result, waitForNextUpdate } = renderHook(() => useCounter());41    await waitForNextUpdate();42    expect(result.current.data).toEqual({ title: 'hello' });43  });44});45export const useCounter = () => {46  const [count, setCount] = useState(0);

Using AI Code Generation

1import { renderHook, act } from "@testing-library/react-hooks";2import { unmountHook } from "react-hooks-testing-library";3import { useCounter } from "./useCounter";4const { result, unmount } = renderHook(() => useCounter());5test("should increment counter", () => {6  act(() => {7    result.current.increment();8  });9  expect(result.current.count).toBe(1);10});11test("should decrement counter", () => {12  act(() => {13    result.current.decrement();14  });15  expect(result.current.count).toBe(-1);16});17test("should reset counter", () => {18  act(() => {19    result.current.reset();20  });21  expect(result.current.count).toBe(0);22});23test("should unmount hook", () => {24  unmount();25  expect(unmountHook).toHaveBeenCalled();26});27import { useState } from "react";28export const useCounter = () => {29  const [count, setCount] = useState(0);30  const increment = () => setCount(count + 1);31  const decrement = () => setCount(count - 1);32  const reset = () => setCount(0);33  return { count, increment, decrement, reset };34};35import { renderHook, act } from "@testing-library/react-hooks";36import { useCounter } from "./useCounter";37test("should increment counter", () => {38  const { result } = renderHook(() => useCounter());39  act(() => {40    result.current.increment();41  });42  expect(result.current.count).toBe(1);43});44test("should decrement counter", () => {45  const { result } = renderHook(() => useCounter());46  act(() => {47    result.current.decrement();48  });49  expect(result.current.count).toBe(-1);50});51test("should reset counter", () => {52  const { result } = renderHook(() => useCounter());53  act(() => {54    result.current.reset();55  });56  expect(result.current.count).toBe(0);57});58import { useState } from "react";59export const useCounter = () => {60  const [count, setCount] = useState(0);61  const increment = () => setCount(count + 1);62  const decrement = () => setCount(count - 1);63  const reset = () => setCount(0);

Using AI Code Generation

1import { renderHook } from '@testing-library/react-hooks'2import { useCounter } from '../hooks/useCounter'3describe('useCounter', () => {4  it('should increment counter', () => {5    const { result } = renderHook(() => useCounter())6    expect(counter).toBe(0)7    expect(typeof increment).toBe('function')8    expect(typeof decrement).toBe('function')9    increment()10    expect(counter).toBe(1)11  })12})13import { renderHook } from '@testing-library/react-hooks'14import { useCounter } from '../hooks/useCounter'15describe('useCounter', () => {16  it('should increment counter', () => {17    const { result } = renderHook(() => useCounter())18    expect(counter).toBe(0)19    expect(typeof increment).toBe('function')20    expect(typeof decrement).toBe('function')21    increment()22    expect(counter).toBe(1)23  })24})25import { renderHook } from '@testing-library/react-hooks'26import { useCounter } from '../hooks/useCounter'27describe('useCounter', () => {28  it('should increment counter', () => {29    const { result } = renderHook(() => useCounter())30    expect(counter).toBe(0)31    expect(typeof increment).toBe('function')32    expect(typeof decrement).toBe('function')33    increment()34    expect(counter).toBe(1)35  })36})37import { renderHook } from '@testing-library/react-hooks'38import { useCounter } from '../hooks/useCounter'39describe('useCounter', () => {40  it('should increment counter', () => {41    const { result } = renderHook(() => useCounter())42    expect(counter).toBe(0)43    expect(typeof increment).toBe('function')44    expect(typeof decrement).toBe('function')45    increment()46    expect(counter).toBe(1)47  })48})

Using AI Code Generation

1import { unmountHook } from "react-hooks-testing-library";2import { cleanup } from "@testing-library/react";3import { cleanup as cleanupHooks } from "react-hooks-testing-library";4describe("Test 1", () => {5  afterEach(() => {6    cleanup();7    cleanupHooks();8    unmountHook();9  });10  it("Test 1", () => {11    const { result } = renderHook(() => useGetUserList());12    expect(result.current).toEqual([]);13  });14});15import { unmountHook } from "react-hooks-testing-library";16import { cleanup } from "@testing-library/react";17import { cleanup as cleanupHooks } from "react-hooks-testing-library";18describe("Test 2", () => {19  afterEach(() => {20    cleanup();21    cleanupHooks();22    unmountHook();23  });24  it("Test 2", () => {25    const { result } = renderHook(() => useGetUserList());26    expect(result.current).toEqual([]);27  });28});29import { unmountHook } from "react-hooks-testing-library";30import { cleanup } from "@testing-library/react";31import { cleanup as cleanupHooks } from "react-hooks-testing-library";32describe("Test 3", () => {33  afterEach(() => {34    cleanup();35    cleanupHooks();36    unmountHook();37  });38  it("Test 3", () => {39    const { result } = renderHook(() => useGetUserList());40    expect(result.current).toEqual([]);41  });42});43import { unmountHook } from "react-hooks-testing-library";44import { cleanup } from "@testing-library/react";45import { cleanup as cleanupHooks } from "react-hooks-testing-library";46describe("Test 4", ()

Using AI Code Generation

1import { unmountHook } from 'react-hooks-testing-library';2import { useFetch } from './useFetch';3describe('useFetch', () => {4  it('should set loading to true', () => {5    expect(result.current.loading).toBe(true);6  });7  it('should set loading to false after data is fetched', async () => {8    const { result, waitForNextUpdate } = renderHook(() =>9    );10    await waitForNextUpdate();11    expect(result.current.loading).toBe(false);12  });13  it('should set error to true when fetch fails', async () => {14    const { result, waitForNextUpdate } = renderHook(() =>15    );16    await waitForNextUpdate();17    expect(result.current.error).toBe(true);18  });19  it('should set error to false when fetch succeeds', async () => {20    const { result, waitForNextUpdate } = renderHook(() =>21    );22    await waitForNextUpdate();23    expect(result.current.error).toBe(false);24  });25  it('should set data to the data returned from fetch', async () => {26    const { result, waitForNextUpdate } = renderHook(() =>27    );28    await waitForNextUpdate();29    expect(result.current.data).toEqual({ posts: [{ title: 'test' }] });30  });31  it('should set data to null when fetch fails', async () => {32    const { result, waitForNextUpdate } = renderHook(() =>33    );34    await waitForNextUpdate();35    expect(result.current.data).toBe(null);36  });37});38import { unmountHook } from 'react-hooks-testing-library';39import { useFetch } from './useFetch';40describe('useFetch', () => {41  it('should set loading to true', () => {42    expect(result.current.loading).toBe(true);43  });44  it('should set loading to false after data is fetched', async () => {

Using AI Code Generation

1import { unmountHook } from 'testing-library-react-hooks';2import { useFetch } from './useFetch';3describe('useFetch', () => {4  it('should return data', async () => {5    let result;6    await act(async () => {7      unmountHook();8    });9    expect(result.current.data.title).toBe('sunt aut facere repellat provident occaecati excepturi optio reprehenderit');10  });11});12import { useState, useEffect } from 'react';13export const useFetch = (url) => {14  const [data, setData] = useState(null);15  const [loading, setLoading] = useState(true);16  const [error, setError] = useState(null);17  useEffect(() => {18    const fetchData = async () => {19      try {20        const response = await fetch(url);21        const json = await response.json();22        setData(json);23        setLoading(false);24      } catch (error) {25        setError(error);26      }27    };28    fetchData();29  }, [url]);30  return { data, loading, error };31};32import React from 'react';33import { render, screen } from '@testing-library/react';34import { Footer } from './Footer';35import { fetchUser } from '../../utils/fetchUser';36jest.mock('../../utils/fetchUser');37describe('Footer', () => {38  test('should render Footer', () => {39    render(<Footer />);40    expect(screen.getByText('Footer')).toBeInTheDocument();41  });42  test('should render user name', () => {43    fetchUser.mockImplementation(() => {44      return Promise.resolve({45      });46    });47    render(<Footer />);48    expect(screen.getByText('John Doe')).toBeInTheDocument();49  });50});51import axios from 'axios

Using AI Code Generation

1import { unmountHook } from '@testing-library/react-hooks'2import { renderHook } from '@testing-library/react-hooks'3import { useSomeHook } from './someHook'4test('some test', () => {5  const { result, unmount } = renderHook(() => useSomeHook())6  unmountHook()7})8import { useState } from 'react'9const useSomeHook = () => {10  const [state, setState] = useState('some value')11}12export { useSomeHook }

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