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

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

Source:Register.js

...194const form = document.getElementById('js-form');195const email = form.querySelector('#email');196email.addEventListener('change', (e) => {197  const [errorText, errorFlag] = emailChecker(e.target.value);198  const [setClass, setText, setSuccess, resetClass] = useError('email');199  resetClass();200  if (!errorFlag) {201    setClass();202    setText(errorText);203  } else {204    setSuccess();205  }206});207const username = form.querySelector('#username');208username.addEventListener('change', (e) => {209  const [errorText, errorFlag] = usernameChecker(e.target.value);210  const [setClass, setText, setSuccess, resetClass] = useError('username');211  resetClass();212  if (!errorFlag) {213    setClass();214    setText(errorText);215  } else {216    setSuccess();217  }218});219const day = form.querySelector('#day');220day.addEventListener('change', (e) => {221  const [errorText, errorFlag] = dayChecker(+e.target.value);222  const [setClass, setText, setSuccess, resetClass] = useError('dob');223  resetClass();224  if (!errorFlag) {225    setClass();226    setText(errorText);227  } else {228    setSuccess();229  }230});231const month = form.querySelector('#month');232month.addEventListener('change', (e) => {233  const [errorText, errorFlag] = monthChecker(+e.target.value);234  const [setClass, setText, setSuccess, resetClass] = useError('dob');235  resetClass();236  if (!errorFlag) {237    setClass();238    setText(errorText);239  } else {240    setSuccess();241  }242});243const year = form.querySelector('#year');244year.addEventListener('change', (e) => {245  const [errorText, errorFlag] = yearChecker(+e.target.value);246  const [setClass, setText, setSuccess, resetClass] = useError('dob');247  resetClass();248  if (!errorFlag) {249    setClass();250    setText(errorText);251  } else {252    setSuccess();253  }254});255const password = form.querySelector('#password');256let GlobalPass = '';257password.addEventListener('change', (e) => {258  const [errorText, errorFlag] = passwordChecker(e.target.value);259  const [setClass, setText, setSuccess, resetClass] = useError('password');260  resetClass();261  if (!errorFlag) {262    setClass();263    setText(errorText);264  } else {265    setSuccess();266    GlobalPass = e.target.value;267  }268});269const confPassword = form.querySelector('#confirm-password');270confPassword.addEventListener('change', (e) => {271  const [errorText, errorFlag] = confPasswordChecker(272    GlobalPass,273    e.target.value,274  );275  const [setClass, setText, setSuccess, resetClass] =276    useError('confirm-password');277  resetClass();278  if (!errorFlag) {279    setClass();280    setText(errorText);281  } else {282    setSuccess();283  }284});285const nationality = form.querySelector('#nationality');286nationality.addEventListener('change', (e) => {287  const [errorText, errorFlag] = nationalityChecker(e.target.value);288  const [setClass, setText, setSuccess, resetClass] = useError('nationality');289  resetClass();290  if (!errorFlag) {291    setClass();292    setText(errorText);293  } else {294    setSuccess();295  }296});297const terms = form.querySelector('#terms');298terms.addEventListener('change', (e) => {299  const [setClass, setText, setSuccess, resetClass] = useError('terms');300  resetClass();301  if (!e.target.checked) {302    setClass();303    setText('Please check');304  } else {305    resetClass();306    setSuccess();307  }308});309form.addEventListener('submit', (e) => {310  e.preventDefault();311  const formControls = [...document.querySelectorAll('.form__control')];312  formControls.pop(); // Remove Button313  if (!email.value) {314    const [setClass, setText] = useError('email');315    setClass();316    setText('Email cannot be empty');317  }318  if (!username.value) {319    const [setClass, setText] = useError('username');320    setClass();321    setText('Username cannot be empty');322  }323  if (!day.value && !month.value && !year.value) {324    const [setClass, setText] = useError('dob');325    setClass();326    setText('DOB cannot be empty');327  }328  if (!day.value) {329    const [setClass, setText] = useError('dob');330    setClass();331    setText('Day cannot be empty');332  }333  if (!month.value) {334    const [setClass, setText] = useError('dob');335    setClass();336    setText('Month cannot be empty');337  }338  if (!year.value) {339    const [setClass, setText] = useError('dob');340    setClass();341    setText('Year cannot be empty');342  }343  if (!password.value) {344    const [setClass, setText] = useError('password');345    setClass();346    setText('Password cannot be empty');347  }348  if (!confPassword.value) {349    const [setClass, setText] = useError('confirm-password');350    setClass();351    setText('Confirm Password cannot be empty');352  }353  if (!nationality.value) {354    const [setClass, setText] = useError('nationality');355    setClass();356    setText('Please Select a nationality');357    return false;358  }359  if (formControls.every((el) => el.classList.contains('is-success'))) {360    let count = $('#js-redirect-counter').data('count');361    $('#js-redirect-counter').html(count);362    $('#js-alert').slideDown(function () {363      const interval = setInterval(() => {364        count--;365        $('#js-redirect-counter').html(count);366        if (count === 0) {367          clearInterval(interval);368          window.location.href = '/';...

users.ts

Source:users.ts

...38  userModel,39  smsCodeModel,40  async sendSmsCode(ctx: Context) {41    const { phone } = ctx.request.body42    if (!phone) throw useError('è¯·è¾å¥ææºå·', 401, false)43    const code = getRandomNumber(4)44    const one = { phone, code, expiresIn: new Date(Date.now() + smsCodeExp.timestamp) }45    await smsCodeModel.deleteOne({ phone })46    await smsCodeModel.create(one)47    const text = `ãSmallTalkãæ¨çéªè¯ç ä¸ºï¼${code}ï¼${smsCodeExp.text}åææã`48    return ctx.body = { text }49  },50  async list(ctx: Context) {51    let { page, pagesize } = ctx.query as any52    page = Number(page)53    page = page ? page : 054    pagesize = Number(pagesize)55    pagesize = pagesize ? pagesize : 2056    const skip = page * pagesize57    const query = { removed: false }58    const sorter = {}59    const data = await userModel.find(query).sort(sorter).skip(skip).limit(pagesize)60    const total = await userModel.countDocuments(query)61    return ctx.body = { data, total }62  },63  async remove(ctx: Context) {64    const { _id } = ctx.request.body65    const one:any = await userModel.findById(_id)66    if (!one) throw useError('è´¦å·ä¸åå¨', 401, false)67    one.removed = true68    await one.save()69  },70  async update(ctx: Context) {71    const { name, pwd, avatar, sign, gender } = ctx.request.body72    const { _id } = ctx.state.user73    let one:any = await userModel.findById(_id).lean()74    if (!one) throw useError('è´¦å·ä¸åå¨', 401, false)75    if (name) one.name = name76    if (pwd) one.pwd = pwd77    if (avatar) one.avatar = avatar78    if (sign) one.sign = sign79    if (gender) one.gender = gender80    one.isnew = false81    one.updatedAt = new Date()82    const res:any = await userModel.findOneAndUpdate({ _id }, { ...one }, { new: true }).lean()83    delete res.pwd84    delete res.admin85    delete res._id86    delete res.removed87    delete res.createdAt88    delete res.updatedAt89    return ctx.body = res90  },91  async login(ctx: Context) {92    const { phone, code, pwd, type } = ctx.request.body93    const query = { phone }94    let item:any = {}95    if (type === 'I') { // smscode96      const one:any = await smsCodeModel.findOne(query)97      if (!one) throw useError('æ²¡æä¸åéªè¯ç ', 401, false)98      if (code !== one.code) throw useError('è¯·è¾å¥æ£ç¡®çéªè¯ç ', 401, false)99      const now = +new Date()100      const exp = +new Date(one.expiresIn)101      if (now >= exp) throw useError('éªè¯ç å·²è¿æ', 401, false)102      // éªè¯éè¿103      item = await userModel.findOne(query).lean()104      if (!item) {105        const one = { phone, isnew: true }106        item = await userModel.create(one)107      }108    } else { // pwd109      if (!pwd) throw useError('è¯·è¾å¥å¯ç ', 401, false)110      item = await userModel.findOne(query).lean()111      // if (!item) {112      //   throw useError('ç¨æ·ä¸åå¨', 401, false)113      // } else if (item.pwd !== pwd) throw useError('å¯ç éè¯¯', 401, false)114      if (!item) {115        throw useError('ç¨æ·ä¸åå¨', 401, false)116      } else {117        if (item.pwd) {118          if (item.pwd !== pwd) throw useError('å¯ç éè¯¯', 401, false)119        } else {120          // åå§å¯ç  111111121          if ('111111' !== pwd) throw useError('å¯ç éè¯¯', 401, false)122        }123      }124    }125    const token = generateToken({ _id: item._id })126    const userInfo = {127      name: item.name,128      phone: item.phone,129      gender: item.gender,130      avatar: item.avatar,131      sign: item.sign,132      isnew: item.isnew133    }134    return ctx.body = { token, userInfo }135  }
...

ErrorContext.ts

Source:ErrorContext.ts

1import { Nothing } from '@typed/maybe'2import { useError } from '../hooks/useError'3import { createContextFromHook } from './createContextFromHook'4export const [ErrorProvider, useErrorContext, ErrorContext] = createContextFromHook(5  useError,6  'Error',7  [Nothing, _ => void 0, () => void 0],...

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { renderHook, act } from '@testing-library/react-hooks';3import { renderHook, act } from '@testing-library/react-hooks';4import { renderHook, act } from '@testing-library/react-hooks';5import { renderHook, act } from '@testing-library/react-hooks';6import { renderHook, act } from '@testing-library/react-hooks';7import { renderHook, act } from '@testing-library/react-hooks';8import { renderHook, act } from '@testing-library/react-hooks';9import { renderHook, act } from '@testing-library/react-hooks';10import { renderHook, act } from '@testing-library/react-hooks';11import { renderHook, act } from '@testing-library/react-hooks';12import { renderHook, act } from '@testing-library/react-hooks';13import { renderHook, act } from '@testing-library/react-hooks';14import { renderHook, act } from '@testing-library/react-hooks';15import { renderHook, act } from '@testing-library/react-hooks';

Using AI Code Generation

1import { useError } from '@testing-library/react-hooks';2const { result } = renderHook(() => useError());3expect(result.error).toBeUndefined();4import { useError } from '@testing-library/react-hooks';5const { result } = renderHook(() => useError());6expect(result.error).toBeUndefined();7import { useError } from '@testing-library/react-hooks';8const { result } = renderHook(() => useError());9expect(result.error).toBeUndefined();10import { useError } from '@testing-library/react-hooks';11const { result } = renderHook(() => useError());12expect(result.error).toBeUndefined();13import { useError } from '@testing-library/react-hooks';14const { result } = renderHook(() => useError());15expect(result.error).toBeUndefined();16import { useError } from '@testing-library/react-hooks';17const { result } = renderHook(() => useError());18expect(result.error).toBeUndefined();19import { useError } from '@testing-library/react-hooks';20const { result } = renderHook(() => useError());21expect(result.error).toBeUndefined();22import { useError } from '@testing-library/react-hooks';23const { result } = renderHook(() => useError());24expect(result.error).toBeUndefined();25import { useError } from '@testing-library/react-hooks';26const { result } = renderHook(() => useError());27expect(result.error).toBeUndefined();28import { useError } from '@testing-library/react-hooks';29const { result } = renderHook(() => useError());30expect(result.error).toBeUndefined();

Using AI Code Generation

1import { renderHook, act } from "@testing-library/react-hooks";2import useError from "../hooks/useError";3describe("useError hook", () => {4  it("should return error message", () => {5    const { result } = renderHook(() => useError());6    expect(result.current.error).toBe("");7  });8  it("should set error message", () => {9    const { result } = renderHook(() => useError());10    act(() => result.current.setError("error"));11    expect(result.current.error).toBe("error");12  });13});14import { renderHook, act } from "@testing-library/react-hooks";15import useError from "../hooks/useError";16describe("useError hook", () => {17  it("should return error message", () => {18    const { result } = renderHook(() => useError());19    expect(result.current.error).toBe("");20  });21  it("should set error message", () => {22    const { result } = renderHook(() => useError());23    act(() => result.current.setError("error"));24    expect(result.current.error).toBe("error");25  });26});27import { renderHook, act } from "@testing-library/react-hooks";28import useError from "../hooks/useError";29describe("useError hook", () => {30  it("should return error message", () => {31    const { result } = renderHook(() => useError());32    expect(result.current.error).toBe("");33  });34  it("should set error message", () => {35    const { result } = renderHook(() => useError());36    act(() => result.current.setError("error"));37    expect(result.current.error).toBe("error");38  });39});40import { renderHook, act } from "@testing-library/react-hooks";41import useError from "../hooks/useError";42describe("useError hook", () => {43  it("should return error message", () => {44    const { result } = renderHook(() => useError());45    expect(result.current.error).toBe("");46  });47  it("should set error message", () => {48    const { result } = renderHook(() => useError());49    act(() => result.current.setError("error"));

Using AI Code Generation

1import { renderHook, act } from "@testing-library/react-hooks";2import { useError } from "@testing-library/react-hooks";3import { renderHook, act } from "@testing-library/react-hooks";4import { useError } from "@testing-library/react-hooks";5import { renderHook, act } from "@testing-library/react-hooks";6import { useError } from "@testing-library/react-hooks";7import { renderHook, act } from "@testing-library/react-hooks";8import { useError } from "@testing-library/react-hooks";9import { renderHook, act } from "@testing-library/react-hooks";10import { useError } from "@testing-library/react-hooks";11import { renderHook, act } from "@testing-library/react-hooks";12import { useError } from "@testing-library/react-hooks";13import { renderHook, act } from "@testing-library/react-hooks";14import { useError } from "@testing-library/react-hooks";15import { renderHook, act } from "@testing-library/react-hooks";16import { useError } from "@testing-library/react-hooks";17import { renderHook, act } from "@testing-library/react-hooks";18import { useError } from "@testing-library/react-hooks";19import { renderHook, act } from "@testing-library/react-hooks";20import { useError } from "@testing-library/react-hooks";21import { renderHook, act } from "@testing-library/react-hooks";22import { useError } from "@testing-library/react-hooks";23import { renderHook, act } from "@testing-library/react-hooks";24import { useError } from "@testing-library/react-hooks";25import { renderHook, act } from "@testing-library/react-hooks";26import { useError } from "@testing-library/react-hooks";27import { renderHook, act } from "@testing-library

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks'2import useError from '../useError'3describe('useError', () => {4  test('should return an error message', () => {5    const { result } = renderHook(() => useError())6    expect(result.current.error).toBe('')7  })8  test('should return an error message', () => {9    const { result } = renderHook(() => useError())10    act(() => {11      result.current.setError('This is an error message')12    })13    expect(result.current.error).toBe('This is an error message')14  })15})16import { useState } from 'react'17const useError = () => {18  const [error, setError] = useState('')19  return {20  }21}22import React from 'react'23import './App.css'24import { useFetch } from './useFetch'25function App() {26  return (27      {loading && <p>Loading...</p>}28      {error && <p>{error}</p>}29      {data && <p>{data.title}</p>}30}31import { useState, useEffect } from 'react'32export const useFetch = url => {33  const [data, setData] = useState(null)34  const [loading, setLoading] = useState(true)35  const [error, setError] = useState(null)36  useEffect(() => {37    const fetchData = async () => {38      try {39        const response = await fetch(url)40        const json = await response.json()41        setData(json)42        setLoading(false)43      } catch (error) {44        setError(error)45        setLoading(false)46      }47    }

Using AI Code Generation

1import { renderHook } from '@testing-library/react-hooks';2import { useError } from 'react-use';3test('useError', () => {4  const { result } = renderHook(() => useError());5  expect(result.current).toEqual([null, expect.any(Function)]);6});7import { renderHook } from '@testing-library/react-hooks';8import { useError } from 'react-use';9test('useError', () => {10  const { result } = renderHook(() => useError());11  expect(result.current).toEqual([null, expect.any(Function)]);12});13import { renderHook } from '@testing-library/react-hooks';14import { useError } from 'testing-library-react-hooks';15test('useError', () => {16  const { result } = renderHook(() => useError());17  expect(result.current).toEqual([null, expect.any(Function)]);18});19import { renderHook } from '@testing-library/react-hooks';20import { useError } from 'testing-library-react-hooks';21test('useError', () => {22  const { result } = renderHook(() => useError());23  expect(result.current).toEqual([null, expect.any(Function)]);24});25import { renderHook } from 'testing-library-react-hooks';26import { useError } from 'react-use';27test('useError', () => {28  const { result } = renderHook(() => useError());29  expect(result.current).toEqual([null, expect.any(Function)]);30});31import { renderHook } from 'testing-library-react-hooks';32import { useError } from 'react-use';33test('useError', () => {34  const { result } = renderHook(() => useError());35  expect(result.current).toEqual([null, expect.any(Function)]);36});37import { renderHook } from 'testing-library-react-hooks';38import { useError } from 'testing-library-react-hooks';39test('useError', () => {40  const { result } = render

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks'2import useError from './useError'3it('should return error message', () => {4  const { result } = renderHook(() => useError())5  const { error, setError } = result.current6  expect(error).toBe('')7  act(() => setError('Error occurred'))8  expect(error).toBe('Error occurred')9})10import { useState } from 'react'11const useError = () => {12  const [error, setError] = useState('')13  return { error, setError }14}15import { renderHook, act } from '@testing-library/react-hooks'16import useError from './useError'17import useSuccess from './useSuccess'18it('should return error message', () => {19  const { result } = renderHook(() => useError())20  const { error, setError } = result.current21  expect(error).toBe('')22  act(() => setError('Error occurred'))23  expect(error).toBe('Error occurred')24})25it('should return success message', () => {26  const { result } = renderHook(() => useSuccess())27  const { success, setSuccess } = result.current28  expect(success).toBe('')29  act(() => setSuccess('Success occurred'))30  expect(success).toBe('Success occurred')31})

Using AI Code Generation

1import { renderHook, act } from "@testing-library/react-hooks";2import useError from "hooks/useError";3describe("useError", () => {4  it("should return error and set error", () => {5    const { result } = renderHook(() => useError());6    const [error, setError] = result.current;7    expect(error).toBeNull();8    act(() => {9      setError("error");10    });11    expect(result.current[0]).toBe("error");12  });13});14import { useState } from "react";15const useError = () => {16  const [error, setError] = useState(null);17  return [error, setError];18};19export default useError;

Using AI Code Generation

1import { renderHook } from '@testing-library/react-hooks'2import { useFetch } from './useFetch'3test('should fetch data', async () => {4  const { result, waitForNextUpdate } = renderHook(() =>5  expect(result.current.loading).toBe(true)6  await waitForNextUpdate()7  expect(result.current.loading).toBe(false)8  expect(result.current.data).toEqual({9  })10})11import { useState, useEffect } from 'react'12export const useFetch = (url) => {13  const [state, setState] = useState({ data: null, loading: true })14  useEffect(() => {15    setState(state => ({ data: state.data, loading: true }))16    fetch(url)17      .then(x => x.text())18      .then(y => {19        setState({ data: y, loading: false })20      })21  }, [url, setState])22}23import React from 'react'24import { useFetch } from './useFetch'25function App() {26  const { data, loading } = useFetch(27  return (28      <div>{!data ? 'loading...' : data}</div>29      <div>{loading ? 'loading...' : 'data loaded'}</div>30}31import { renderHook } from '@testing-library/react-hooks'32import { useFetch } from './useFetch'33test('should fetch data', async () => {34  const { result, waitForNextUpdate } = renderHook(() =>35  expect(result.current.loading).toBe(true)36  await waitForNextUpdate()37  expect(result.current.loading).toBe(false)38  expect(result.current.data).toEqual({

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