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

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

test_require_lazy.js

Source:test_require_lazy.js

1/* Any copyright is dedicated to the Public Domain.2   http://creativecommons.org/publicdomain/zero/1.0/ */3// Test devtools.lazyRequireGetter4function run_test() {5  const name = "asyncUtils";6  const path = "devtools/shared/async-utils";7  const o = {};8  devtools.lazyRequireGetter(o, name, path);9  const asyncUtils = require(path);10  // XXX: do_check_eq only works on primitive types, so we have this11  // do_check_true of an equality expression.12  do_check_true(o.asyncUtils === asyncUtils);13  // A non-main loader should get a new object via |lazyRequireGetter|, just14  // as it would via a direct |require|.15  const o2 = {};16  let loader = new DevToolsLoader();17  // We have to init the loader by loading any module before lazyRequireGetter is available18  loader.require("devtools/shared/DevToolsUtils");19  loader.lazyRequireGetter(o2, name, path);20  do_check_true(o2.asyncUtils !== asyncUtils);21  // A module required via a non-main loader that then uses |lazyRequireGetter|22  // should also get the same object from that non-main loader.23  let exposeLoader = loader.require("xpcshell-test/exposeLoader");24  const o3 = exposeLoader.exerciseLazyRequire(name, path);25  do_check_true(o3.asyncUtils === o2.asyncUtils);...

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks'2import { useCounter } from './useCounter'3describe('useCounter', () => {4  it('should increment counter', async () => {5    const { result, waitForNextUpdate } = renderHook(() => useCounter())6    act(() => {7      result.current.increment()8    })9    await waitForNextUpdate()10    expect(result.current.count).toBe(1)11  })12})

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks'2import { useAsync } from 'react-async-hook'3const mockFetch = () => {4  return new Promise((resolve, reject) => {5    setTimeout(() => {6      resolve({ data: 'test' })7    }, 500)8  })9}10test('useAsync hook', async () => {11  const { result, waitForNextUpdate } = renderHook(() => useAsync(mockFetch, []))12  expect(result.current.loading).toBe(true)13  expect(result.current.error).toBeUndefined()14  expect(result.current.result).toBeUndefined()15  await waitForNextUpdate()16  expect(result.current.loading).toBe(false)17  expect(result.current.error).toBeUndefined()18  expect(result.current.result).toEqual({ data: 'test' })19})20import { renderHook, act } from '@testing-library/react-hooks'21import { useAsync } from 'react-async-hook'22import { asyncUtils } from '@react-hookz/web'23const mockFetch = () => {24  return new Promise((resolve, reject) => {25    setTimeout(() => {26      resolve({ data: 'test' })27    }, 500)28  })29}30test('useAsync hook', async () => {31  const { result, waitForNextUpdate } = renderHook(() => useAsync(mockFetch, []))32  expect(result.current.loading).toBe(true)33  expect(result.current.error).toBeUndefined()34  expect(result.current.result).toBeUndefined()35  await waitForNextUpdate()36  expect(result.current.loading).toBe(false)37  expect(result.current.error).toBeUndefined()38  expect(result.current.result).toEqual({ data: 'test' })39})40import { renderHook, act } from '@testing-library/react-hooks'41import { useAsync } from 'react-async-hook'42import { asyncUtils } from '@react-hookz/web'43const mockFetch = () => {44  return new Promise((resolve, reject) => {45    setTimeout(() => {46      resolve({ data: 'test' })47    }, 500)48  })49}50test('useAsync hook', async () => {51  const { result, waitForNextUpdate } = renderHook(() => useAsync(mockFetch, []))52  expect(result.current.loading).toBe(true)53  expect(result

Using AI Code Generation

1import { act, renderHook } from "@testing-library/react-hooks";2import { useAsync } from "react-async";3test("useAsync", async () => {4  const asyncFn = jest.fn().mockResolvedValue("foo");5  const { result, waitForNextUpdate } = renderHook(() =>6    useAsync({ promiseFn: asyncFn })7  );8  expect(result.current.isLoading).toBe(true);9  expect(asyncFn).toBeCalledTimes(1);10  await act(async () => {11    await waitForNextUpdate();12  });13  expect(result.current.data).toBe("foo");14});15import { act, renderHook } from "@testing-library/react-hooks";16import { useAsync } from "react-async";17test("useAsync", async () => {18  const asyncFn = jest.fn().mockResolvedValue("foo");19  const { result, waitForNextUpdate } = renderHook(() =>20    useAsync({ promiseFn: asyncFn })21  );22  expect(result.current.isLoading).toBe(true);23  expect(asyncFn).toBeCalledTimes(1);24  await act(async () => {25    await waitForNextUpdate();26  });27  expect(result.current.data).toBe("foo");28});29import { act, renderHook } from "@testing-library/react-hooks";30import { useAsync } from "react-async";31test("useAsync", async () => {32  const asyncFn = jest.fn().mockResolvedValue("foo");33  const { result, waitForNextUpdate } = renderHook(() =>34    useAsync({ promiseFn: asyncFn })35  );36  expect(result.current.isLoading).toBe(true);37  expect(asyncFn).toBeCalledTimes(1);38  await act(async () => {39    await waitForNextUpdate();40  });41  expect(result.current.data).toBe("foo");42});43import { act, renderHook } from "@testing-library/react-hooks";44import { useAsync } from "react-async";45test("useAsync", async () => {46  const asyncFn = jest.fn().mockResolvedValue("foo");47  const { result, waitForNextUpdate } = renderHook(() =>48    useAsync({ promiseFn: asyncFn })49  );50  expect(result.current.isLoading).toBe(true);51  expect(asyncFn).toBeCalledTimes(1);52  await act(async () => {53    await waitForNextUpdate();54  });55  expect(result.current.data).toBe("foo

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { useCounter } from './useCounter';3describe('useCounter', () => {4  it('should increment the count', () => {5    const { result } = renderHook(() => useCounter());6    act(() => {7      result.current.increment();8    });9    expect(result.current.count).toEqual(1);10  });11});12import { useState } from 'react';13export const useCounter = () => {14  const [count, setCount] = useState(0);15  const increment = () => setCount(count + 1);16  return { count, increment };17};18import React from 'react';19import { render } from '@testing-library/react';20import Counter from './Counter';21test('Counter should render', () => {22  const { container, getByText, getByTestId } = render(<Counter />);23  expect(container).toBeInTheDocument();24  expect(getByText('Count:')).toBeInTheDocument();25  expect(getByTestId('count')).toBeInTheDocument();26});27import React from 'react';28const Counter = () => {29  return (30  );31};32export default Counter;

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { useAsync } from 'react-async';3import { fetchUser } from './fetchUser';4import { useFetchUser } from './useFetchUser';5describe('useFetchUser', () => {6  test('should fetch user', async () => {7    const { result, waitForNextUpdate } = renderHook(() => useFetchUser());8    expect(result.current.loading).toBe(true);9    expect(result.current.error).toBeUndefined();10    expect(result.current.user).toBeUndefined();11    await waitForNextUpdate();12    expect(result.current.loading).toBe(false);13    expect(result.current.error).toBeUndefined();14    expect(result.current.user).toEqual({ name: 'John Doe' });15  });16  test('should return error', async () => {17    const { result, waitForNextUpdate } = renderHook(() =>18      useFetchUser({ error: true })19    );20    expect(result.current.loading).toBe(true);21    expect(result.current.error).toBeUndefined();22    expect(result.current.user).toBeUndefined();23    await waitForNextUpdate();24    expect(result.current.loading).toBe(false);25    expect(result.current.error).toEqual('Error fetching user');26    expect(result.current.user).toBeUndefined();27  });28});29import { useAsync } from 'react-async';30import { fetchUser } from './fetchUser';31export const useFetchUser = ({ error = false } = {}) => {32  const { data, error, isLoading } = useAsync({33  });34  return {35  };36};37export const fetchUser = ({ error = false } = {}) => {38  return new Promise((resolve, reject) => {39    setTimeout(() => {40      if (error) {41        reject('Error fetching user');42      } else {43        resolve({ name: 'John Doe' });44      }45    }, 1000);46  });47};

Using AI Code Generation

1import { renderHook, act } from 'test-utils'2test('useCounter', () => {3  const { result } = renderHook(useCounter)4  expect(result.current.count).toBe(0)5  act(() => {6    result.current.increment()7  })8  expect(result.current.count).toBe(1)9  act(() => {10    result.current.decrement()11  })12  expect(result.current.count).toBe(0)13})14test('useCounter', () => {15  const { result } = renderHook(useCounter)16  expect(result.current.count).toBe(0)17  act(() => {18    result.current.increment()19  })20  expect(result.current.count).toBe(1)21  act(() => {22    result.current.decrement()23  })24  expect(result.current.count).toBe(0)25})26test('useCounter', () => {27  const { result } = renderHook(useCounter)28  expect(result.current.count).toBe(0)29  act(() => {30    result.current.increment()31  })32  expect(result.current.count).toBe(1)33  act(() => {34    result.current.decrement()35  })36  expect(result.current.count).toBe(0)37})38test('useCounter', () => {39  const { result } = renderHook(useCounter)40  expect(result.current.count).toBe(0)41  act(() => {42    result.current.increment()43  })44  expect(result.current.count).toBe(1)45  act(() => {46    result.current.decrement()47  })48  expect(result.current.count).toBe(0)49})50test('useCounter', () => {51  const { result } = renderHook(useCounter)52  expect(result.current.count).toBe(0)53  act(() => {54    result.current.increment()55  })56  expect(result.current.count).toBe(1)57  act(() => {58    result.current.decrement()59  })60  expect(result.current.count).toBe(0)61})62test('useCounter', () => {63  const { result } = renderHook(useCounter)64  expect(result.current.count).toBe(0)65  act(() => {66    result.current.increment()67  })68  expect(result.current.count).toBe(1)

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