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

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

index.jsx

Source:index.jsx Github

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...25 }26 }27 incrementAsync = () => {28 const { value } = this.selectValue29 this.props.incrementAsync(value * 1, 1000)30 }31 32 render() {33 const { count, allPerson } = this.props34 return (35 <div>36 <h1>react-redux写法: 下方人员总数: { allPerson.length }</h1>37 <h4>当前求和为: { count }</h4>38 <select ref={ c => this.selectValue = c }>39 <option value="1">1</option>40 <option value="2">2</option>41 <option value="3">3</option>42 </select>43 <button onClick={ this.increment }>+</button>44 <button onClick={ this.incrementUn }>-</button>45 <button onClick={ this.incrementIfOdd }>和为基数再相加</button>46 <button onClick={ this.incrementAsync }>异步相加</button>47 </div>48 )49 }50}51// 映射状态52// const mapStateToProps = state => ({ count: state })53// 映射操作操作状态的方法54// const mapDispatchToProps = (dispatch) => {55// return {56// [INCREAMENT]: (ownProps) => dispatch(increment(ownProps)),57// [DECREAMENT]: (ownProps) => dispatch(decrement(ownProps)),58// incrementAsync: (data, time) => dispatch(incrementAsync(data, time))59// }60// }61// 暴露一个 conteiner 组件62// export default connect(mapStateToProps, mapDispatchToProps)(CountUI)63export default connect(64 state => ({ 65 count: state.count,66 allPerson: state.person67 }),68 // mapDispatchToProps 的简写, react-redux 自动 dispatch69 { increment, decrement, incrementAsync }...

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sagas.spec.js

Source:sagas.spec.js Github

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...5// тестируем сагу incrementAsync6test('incrementAsync saga test', (assert) => {7 // получаем объект генератора, у которого есть метод next, который возвращает8 // объект в форме { done: false / true, value: someValue }9 const gen = incrementAsync()10 // deepEqual - проверяем равенство 2 объектов (важно: НЕ по ссылке, а глубокое)11 assert.deepEqual(12 gen.next().value,13 call(delay, 1000),14 'incrementAsync Saga must call delay(1000)'15 )16 assert.deepEqual(17 gen.next().value,18 put({type: 'INCREMENT'}),19 'incrementAsync Saga must dispatch an INCREMENT action'20 )21 assert.deepEqual(22 gen.next(),23 {done: true, value: undefined},...

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Using AI Code Generation

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1it('should increment async', async () => {2 const { result, waitForNextUpdate } = renderHook(() => useCounter());3 act(() => {4 result.current.incrementAsync();5 });6 await waitForNextUpdate();7 expect(result.current.count).toBe(1);8});9it('should increment async', async () => {10 const { result, waitForNextUpdate } = renderHook(() => useCounter());11 act(() => {12 result.current.incrementAsync();13 });14 await waitForNextUpdate();15 expect(result.current.count).toBe(1);16});17it('should increment async', async () => {18 const { result, waitForNextUpdate } = renderHook(() => useCounter());19 act(() => {20 result.current.incrementAsync();21 });22 await waitForNextUpdate();23 expect(result.current.count).toBe(1);24});25it('should increment async', async () => {26 const { result, waitForNextUpdate } = renderHook(() => useCounter());27 act(() => {28 result.current.incrementAsync();29 });30 await waitForNextUpdate();31 expect(result.current.count).toBe(1);32});33it('should increment async', async () => {34 const { result, waitForNextUpdate } = renderHook(() => useCounter());35 act(() => {36 result.current.incrementAsync();37 });38 await waitForNextUpdate();39 expect(result.current.count).toBe(1);40});41it('should increment async', async () => {42 const { result, waitForNextUpdate } = renderHook(() => useCounter());43 act(() => {44 result.current.incrementAsync();45 });46 await waitForNextUpdate();47 expect(result.current.count).toBe(1);48});49it('should increment async', async () => {50 const { result, waitForNextUpdate } = renderHook(() => useCounter());51 act(() => {

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Using AI Code Generation

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1import { render } from '@testing-library/react';2import { Provider } from 'react-redux';3import { createStore } from 'redux';4import { rootReducer } from '../redux/reducers';5const renderWithRedux = (6 { initialState, store = createStore(rootReducer, initialState) } = {}7) => {8 return {9 ...render(<Provider store={store}>{component}</Provider>),10 };11};12export default renderWithRedux;13import { screen } from '@testing-library/react';14import userEvent from '@testing-library/user-event';15import { act } from 'react-dom/test-utils';16import { renderWithRedux } from '../testUtils';17import { addTodo } from '../redux/actions';18import Todo from '../components/Todo';19jest.mock('../redux/actions');20describe('Todo', () => {21 it('should add a todo', () => {22 const { store } = renderWithRedux(<Todo />);23 act(() => {24 store.dispatch(addTodo('test todo'));25 });26 expect(screen.getByText('test todo')).toBeInTheDocument();27 });28});

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Using AI Code Generation

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1import { renderHook, act } from '@testing-library/react-hooks';2import { incrementAsync } from './test1';3test('should increment value after 1 second', async () => {4 const { result, waitForNextUpdate } = renderHook(() => incrementAsync());5 expect(result.current).toBe(0);6 await act(async () => {7 await waitForNextUpdate();8 });9 expect(result.current).toBe(1);10});11import { renderHook, act } from '@testing-library/react-hooks';12import { incrementAsync } from './test2';13test('should increment value after 1 second', async () => {14 const { result, waitForNextUpdate } = renderHook(() => incrementAsync());15 expect(result.current).toBe(0);16 await act(async () => {17 await waitForNextUpdate();18 });19 expect(result.current).toBe(1);20});

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Using AI Code Generation

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1import { incrementAsync } from './useCounter';2test('should increment async', async () => {3 const { result, waitForNextUpdate } = renderHook(() => useCounter());4 act(() => {5 result.current.incrementAsync();6 });7 await waitForNextUpdate();8 expect(result.current.count).toBe(1);9});10export const incrementAsync = () => {11 return new Promise((resolve) => {12 setTimeout(() => {13 resolve();14 }, 1000);15 });16};17export const useCounter = () => {18 const [count, setCount] = useState(0);19 const increment = () => {20 setCount(count + 1);21 };22 const decrement = () => {23 setCount(count - 1);24 };25 const incrementAsync = async () => {26 await incrementAsync();27 increment();28 };29 return { count, increment, decrement, incrementAsync };30};

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Using AI Code Generation

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1import { renderHook } from '@testing-library/react-hooks'2import { act } from 'react-dom/test-utils'3import { useCounter } from './useCounter'4describe('useCounter', () => {5 it('should increment counter', async () => {6 const { result } = renderHook(() => useCounter())7 expect(result.current.count).toEqual(0)8 await act(async () => {9 await result.current.incrementAsync()10 })11 expect(result.current.count).toEqual(1)12 })13})14import { useState, useCallback } from 'react'15export const useCounter = () => {16 const [count, setCount] = useState(0)17 const incrementAsync = useCallback(async () => {18 await new Promise((resolve) => setTimeout(resolve, 1000))19 setCount((count) => count + 1)20 }, [])21 return { count, incrementAsync }22}

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Using AI Code Generation

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1const { result, waitForNextUpdate } = renderHook(() => useCounter());2act(() => {3 result.current.incrementAsync();4});5await waitForNextUpdate();6expect(result.current.count).toBe(1);7const { result, waitForNextUpdate } = renderHook(() => useCounter());8act(() => {9 result.current.incrementAsync();10});11await waitForNextUpdate();12expect(result.current.count).toBe(2);13jest.mock('../useCounter');14jest.mock('../useCounter');15jest.mock('../hooks');16jest.mock('../hooks');17{18 "jest": {19 "moduleNameMapper": {20 "^hooks/(.*)$": "<rootDir>/src/hooks/$1"21 }22 }23}

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Using AI Code Generation

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1import React from 'react';2import { renderHook, act } from '@testing-library/react-hooks';3import useCounter from './useCounter';4test('should increment counter', () => {5 const { result } = renderHook(() => useCounter());6 act(() => result.current.incrementAsync());7 expect(result.current.count).toBe(1);8});9import { useState } from 'react';10const useCounter = () => {11 const [count, setCount] = useState(0);12 const incrementAsync = () => {13 setTimeout(() => {14 setCount(count + 1);15 }, 1000);16 };17 return {18 };19};20export default useCounter;21test('should increment counter', async () => {22 const { result, waitForNextUpdate } = renderHook(() => useCounter());23 act(() => result.current.incrementAsync());24 await waitForNextUpdate();25 expect(result.current.count).toBe(1);26});

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Using AI Code Generation

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1it('should increment async', async () => {2 const { result, waitForNextUpdate } = renderHook(() => useCounter());3 act(() => {4 result.current.incrementAsync();5 });6 await waitForNextUpdate();7 expect(result.current.count).toBe(1);8});9it('should increment async', async () => {10 const { result, waitForNextUpdate } = renderHook(() => useCounter());11 act(() => {12 result.current.incrementAsync();13 });14 await waitForNextUpdate();15 expect(result.current.count).toBe(1);16});17it('should increment async', async () => {18 const { result, waitForNextUpdate } = renderHook(() => useCounter());19 act(() => {20 result.current.incrementAsync();21 });22 await waitForNextUpdate();23 expect(result.current.count).toBe(1);24});25it('should increment async', async () => {26 const { result, waitForNextUpdate } = renderHook(() => useCounter());27 act(() => {28 result.current.incrementAsync();29 });30 await waitForNextUpdate();31 expect(result.current.count).toBe(1);32});33it('should increment async', async () => {34 const { result, waitForNextUpdate } = renderHook(() => useCounter());35 act(() => {36 result.current.incrementAsync();37 });38 await waitForNextUpdate();39 expect(result.current.count).toBe(1);40});41it('should increment async', async () => {42 const { result, waitForNextUpdate } = renderHook(() => useCounter());43 act(() => {44 result.current.incrementAsync();45 });46 await waitForNextUpdate();47 expect(result.current.count).toBe(1);48});49it('should increment async', async () =>

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Using AI Code Generation

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1await act(() => incrementAsync(1, 1000));2await act(() => incrementAsync(1, 1000));3await act(() => incrementAsync(1, 1000));4global.fetch = jest.fn(() =>5 Promise.resolve({6 json: () => Promise.resolve({ foo: "bar" }),7 })8);9export async function getStuff() {10 const data = await response.json();11 return data;12}13import { getStuff } from "./getStuff";14describe("getStuff", () => {15 it("fetches data from the API", async () => {16 const data = await getStuff();17 expect(data).toEqual({ foo: "bar" });18 });19});20jest.mock("axios", () => ({21 get: jest.fn(() => Promise.resolve({ data: {} })),22}));

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