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

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

index.jsx

Source:index.jsx

...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-reduxåæ³: ä¸æ¹äººåæ»æ°: { allPerson.length }</h1>37        <h4>å½åæ±åä¸º: { 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 }>åä¸ºåºæ°åç¸å </button>46        <button onClick={ this.incrementAsync }>å¼æ¥ç¸å </button>47      </div>48    )49  }50}51// æ å°ç¶æ52// const mapStateToProps = state => ({ count: state })53// æ å°æä½æä½ç¶æçæ¹æ³54// 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// æ´é²ä¸ä¸ª conteiner ç»ä»¶62// export default connect(mapStateToProps, mapDispatchToProps)(CountUI)63export default connect(64  state => ({ 65    count: state.count,66    allPerson: state.person67  }),68  // mapDispatchToProps çç®å, react-redux èªå¨ dispatch69  { increment, decrement, incrementAsync }...

sagas.spec.js

Source:sagas.spec.js

...5// ÑÐµÑÑÐ¸ÑÑÐµÐ¼ ÑÐ°Ð³Ñ incrementAsync6test('incrementAsync saga test', (assert) => {7    // Ð¿Ð¾Ð»ÑÑÐ°ÐµÐ¼ Ð¾Ð±ÑÐµÐºÑ Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ°, Ñ ÐºÐ¾ÑÐ¾ÑÐ¾Ð³Ð¾ ÐµÑÑÑ Ð¼ÐµÑÐ¾Ð´ next, ÐºÐ¾ÑÐ¾ÑÑÐ¹ Ð²Ð¾Ð·Ð²ÑÐ°ÑÐ°ÐµÑ8    // Ð¾Ð±ÑÐµÐºÑ Ð² ÑÐ¾ÑÐ¼Ðµ { done: false / true, value: someValue }9    const gen = incrementAsync()10    // deepEqual - Ð¿ÑÐ¾Ð²ÐµÑÑÐµÐ¼ ÑÐ°Ð²ÐµÐ½ÑÑÐ²Ð¾ 2 Ð¾Ð±ÑÐµÐºÑÐ¾Ð² (Ð²Ð°Ð¶Ð½Ð¾: ÐÐ Ð¿Ð¾ ÑÑÑÐ»ÐºÐµ, Ð° Ð³Ð»ÑÐ±Ð¾ÐºÐ¾Ðµ)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},...

Using AI Code Generation

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(() => {

Using AI Code Generation

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});

Using AI Code Generation

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});

Using AI Code Generation

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};

Using AI Code Generation

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}

Using AI Code Generation

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}

Using AI Code Generation

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});

Using AI Code Generation

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 () =>

Using AI Code Generation

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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