How to use CounterStepProvider method in testing-library-react-hooks
Best JavaScript code snippet using testing-library-react-hooks
index.test.ts
Source:index.test.ts 
1import { renderHook, act } from "@testing-library/react-hooks";2import { createContext, useContext, useState } from "react";3import createModel, { createModelByCustomHook } from "../src";4describe("test create model by state and reducer aciton", () => {5 const [CounterStepProvider, useCounterCtx] = createModel(6 {7 count: 0,8 },9 {10 add(state, payload) {11 return {12 ...state,13 count: state.count + payload,14 };15 },16 reset(state) {17 return {18 ...state,19 count: 0,20 };21 },22 }23 );24 test("test incrementing", () => {25 const { result } = renderHook(() => useCounterCtx(), {26 wrapper: CounterStepProvider,27 });28 act(() => {29 result.current.dispatchAction.add(1);30 });31 expect(result.current.state.count).toBe(1);32 });33 test("test reset", () => {34 const { result } = renderHook(() => useCounterCtx(), {35 wrapper: CounterStepProvider,36 });37 act(() => {38 result.current.dispatchAction.reset();39 });40 expect(result.current.state.count).toBe(0);41 });42});43describe("test create model by custom hook", () => {44 function useCouter() {45 const [count, setCount] = useState(0);46 return {47 state: {48 count,49 },50 dispatchAction: {51 add(payload) {52 setCount((pre) => pre + payload);53 },54 reset() {55 setCount(0);56 },57 },58 };59 }60 const [CounterStepProvider, useCounterCtx] =61 createModelByCustomHook(useCouter);62 test("test incrementing", () => {63 const { result } = renderHook(() => useCounterCtx(), {64 wrapper: CounterStepProvider,65 });66 act(() => {67 result.current.dispatchAction.add(1);68 });69 expect(result.current.state.count).toBe(1);70 });71 test("test reset", () => {72 const { result } = renderHook(() => useCounterCtx(), {73 wrapper: CounterStepProvider,74 });75 act(() => {76 result.current.dispatchAction.reset();77 });78 expect(result.current.state.count).toBe(0);79 });80});81describe("test create model by custom hook and exist context", () => {82 function useCouter() {83 const [count, setCount] = useState(0);84 return {85 state: {86 count,87 },88 dispatchAction: {89 add(payload) {90 setCount((pre) => pre + payload);91 },92 reset() {93 setCount(0);94 },95 },96 };97 }98 const ExistContext = createContext(null);99 function useExistContextValue() {100 return useContext(ExistContext);101 }102 const [CounterStepProvider, useCounterCtx] = createModelByCustomHook(103 useCouter,104 ExistContext105 );106 test("test incrementing", () => {107 const { result } = renderHook(() => useCounterCtx(), {108 wrapper: CounterStepProvider,109 });110 act(() => {111 result.current.dispatchAction.add(1);112 });113 expect(result.current.state.count).toBe(1);114 });115 test("test reset", () => {116 const { result } = renderHook(() => useCounterCtx(), {117 wrapper: CounterStepProvider,118 });119 act(() => {120 result.current.dispatchAction.reset();121 });122 expect(result.current.state.count).toBe(0);123 });124 test("Compatibility with old ways of using context", () => {125 const { result } = renderHook(126 () => {127 const ctx = useCounterCtx();128 const existCtx = useExistContextValue();129 return {130 ctx,131 existCtx,132 };133 },134 {135 wrapper: CounterStepProvider,136 }137 );138 act(() => {139 result.current.ctx.dispatchAction.add(1);140 });141 expect(result.current.ctx.state.count).toBe(142 result.current.existCtx.state.count143 );144 });...
counter.spec.js
Source:counter.spec.js
1import React from 'react';2import { renderHook, act } from '@testing-library/react-hooks';3import { CounterStepProvider, useCounter } from './counter.jsx';4test('should use custom step when incrementing', () => {5 const wrapper = ({ children }) => <CounterStepProvider step={5}>{children}</CounterStepProvider>;6 // ããã¯ãã¬ã³ããªã³ã°ããæã« CounterStepProvider ãã©ããã¼ã¨ãã¦å©ç¨ãããã7 // useCounter() 㧠useContext(CounterStepContext) ãå®è¡ãããã8 // ä»åã®ãã¹ãã§ã¯ <CounterStepProvider step={5}> ãã©ããã¼ãªã®ã§ 5 ãè¿ã£ã¦ããã9 const { result } = renderHook(() => useCounter(), { wrapper });10 act(() => {11 result.current.increment();12 });13 expect(result.current.count).toBe(5);14});15test('should use custom step when incrementing2', () => {16 const wrapper = ({ children, step }) => (17 <CounterStepProvider step={step}>{children}</CounterStepProvider>18 );19 const { result, rerender } = renderHook(() => useCounter(), {20 wrapper,21 // wrapper ã®å¼æ°ã«ãinitialProps ããå¤ã渡ãããã22 initialProps: {23 step: 2,24 },25 });26 act(() => {27 result.current.increment();28 });29 expect(result.current.count).toBe(2);30 rerender({ step: 8 });31 act(() => {32 result.current.increment();33 });34 expect(result.current.count).toBe(10);...
useCounterInContext.test.js
Source:useCounterInContext.test.js
1import { act, renderHook } from '@testing-library/react-hooks';2import React from 'react';3import { CounterStepProvider, useCounter } from '../useCounterInContext';4test('should use custom step when incrementing', () => {5 const wrapper = ({ children }) => (6 <CounterStepProvider step={2}>{children}</CounterStepProvider>7 );8 const { result } = renderHook(() => useCounter(), { wrapper });9 act(() => {10 result.current.increment();11 });12 expect(result.current.count).toBe(2);13});14test('should use custom step when incrementing with initialValue', () => {15 const wrapper = ({ children, step }) => (16 <CounterStepProvider step={step}>{children}</CounterStepProvider>17 );18 const { result, rerender } = renderHook(() => useCounter(), {19 wrapper,20 initialProps: {21 step: 3,22 },23 });24 act(() => {25 result.current.increment();26 });27 expect(result.current.count).toBe(3);28 /**29 * Change the step value30 */31 rerender({ step: 8 });32 act(() => {33 result.current.increment();34 });35 expect(result.current.count).toBe(11);36});37test('should increment counter after delay', async () => {38 const { result, waitForNextUpdate } = renderHook(() => useCounter());39 result.current.incrementAsync();40 await waitForNextUpdate();41 expect(result.current.count).toBe(1);...
Using AI Code Generation
1import { renderHook, act } from '@testing-library/react-hooks';2import useCounter from './useCounter';3describe('useCounter', () => {4 it('should increment', () => {5 const { result } = renderHook(() => useCounter());6 expect(result.current.count).toBe(0);7 act(() => result.current.increment());8 expect(result.current.count).toBe(1);9 });10 it('should decrement', () => {11 const { result } = renderHook(() => useCounter());12 expect(result.current.count).toBe(0);13 act(() => result.current.decrement());14 expect(result.current.count).toBe(-1);15 });16});17import { useState } from 'react';18const useCounter = () => {19 const [count, setCount] = useState(0);20 const increment = () => setCount((c) => c + 1);21 const decrement = () => setCount((c) => c - 1);22 return { count, increment, decrement };23};24export default useCounter;25import React, { useState, createContext, useContext } from 'react';26const CounterStepContext = createContext();27export const CounterStepProvider = ({ children }) => {28 const [step, setStep] = useState(1);29 return (30 <CounterStepContext.Provider value={{ step, setStep }}>31 {children}32 );33};34export const useCounterStep = () => {35 const context = useContext(CounterStepContext);36 if (context === undefined) {37 throw new Error('useCounterStep must be used within a CounterStepProvider');38 }39 return context;40};41import React from 'react';42import { render } from '@testing-library/react';43import { CounterStepProvider, useCounterStep } from './CounterStepProvider';44const TestComponent = () => {45 const { step, setStep } = useCounterStep();46 return (47 <div data-testid="step">{step}</div>48 <button onClick={() => setStep(5)} data-testid="set-step">
Using AI Code Generation
1import { renderHook, act } from '@testing-library/react-hooks';2import { useCounter } from './useCounter';3describe('useCounter', () => {4 it('should increment the counter', () => {5 const { result } = renderHook(() => useCounter());6 act(() => {7 result.current.increment();8 });9 expect(result.current.count).toBe(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, { createContext, useContext, useState } from 'react';19const CounterStepContext = createContext();20export const CounterStepProvider = ({ children }) => {21 const [step, setStep] = useState(1);22 const value = { step, setStep };23 return <CounterStepContext.Provider value={value}>{children}</CounterStepContext.Provider>;24};25export const useCounterStep = () => useContext(CounterStepContext);26import { useCounterStep } from './CounterStepProvider';27export const App = () => {28 const { step, setStep } = useCounterStep();29 return (30 <p>Step: {step}</p>31 <button onClick={() => setStep(step + 1)}>Increment Step</button>32 );33};34import { render, screen } from '@testing-library/react';35import { CounterStepProvider } from './CounterStepProvider';36import { App } from './App';37test('should increment the counter', () => {38 render(39 );40 const incrementButton = screen.getByRole('button', { name: /increment step/i });41 const step = screen.getByRole('heading', { name: /step/i });42 expect(step).toHaveTextContent('Step:
Using AI Code Generation
1import { renderHook } from '@testing-library/react-hooks'2import useCounter from './useCounter'3describe('useCounter', () => {4 it('should increment the count', () => {5 const { result, CounterStepProvider } = renderHook(useCounter)6 const CounterStep = CounterStepProvider(2)7 CounterStep.increment()8 expect(result.current.count).toBe(2)9 })10})11import { useState } from 'react'12const useCounter = () => {13 const [count, setCount] = useState(0)14 const increment = () => setCount(count + 1)15 return { count, increment }16}17import { renderHook } from '@testing-library/react-hooks'18import useCounter from './useCounter'19describe('useCounter', () => {20 it('should increment the count', () => {21 const { result, CounterStepProvider } = renderHook(useCounter)22 const CounterStep = CounterStepProvider(2)23 CounterStep.increment()24 expect(result.current.count).toBe(2)25 })26})27import { renderHook } from '@testing-library/react-hooks'28import useCounter from './useCounter'29describe('useCounter', () => {30 it('should increment the count', () => {31 const { result } = renderHook(useCounter)32 result.current.increment()33 expect(result.current.count).toBe(1)34 })35})36import { renderHook } from '@testing-library/react-hooks'37import useCounter from './useCounter'38describe('useCounter', () => {39 it('should increment the count', () => {40 const { result } = renderHook(() => useCounter(2))41 result.current.increment()42 expect(result.current.count).toBe(2)43 })44})
Using AI Code Generation
1import { renderHook, act } from '@testing-library/react-hooks';2import { CounterStepProvider } from '../CounterStepProvider';3describe('CounterStepProvider', () => {4 it('should increment the counter', () => {5 const { result } = renderHook(() => CounterStepProvider());6 act(() => {7 result.current.increment();8 });9 expect(result.current.count).toBe(1);10 });11});12import { useState } from 'react';13export const CounterStepProvider = () => {14 const [count, setCount] = useState(0);15 const increment = () => setCount(count + 1);16 return { count, increment };17};18import { useState } from 'react';19export const CounterStepProvider = () => {20 const [count, setCount] = useState(0);21 const increment = () => setCount(count + 1);22 return { count, increment };23};24import { useState } from 'react';25export const CounterStepProvider = () => {26 const [count, setCount] = useState(0);27 const increment = () => setCount(count + 1);28 return { count, increment };29};30import { useState } from 'react';31export const CounterStepProvider = () => {32 const [count, setCount] = useState(0);33 const increment = () => setCount(count + 1);34 return { count, increment };35};36import { useState } from 'react';37export const CounterStepProvider = () => {38 const [count, setCount] = useState(0);39 const increment = () => setCount(count + 1);40 return { count, increment };41};42import { useState } from 'react';43export const CounterStepProvider = () => {44 const [count, setCount] = useState(0);45 const increment = () => setCount(count + 1);46 return { count, increment };47};48import { useState } from 'react';49export const CounterStepProvider = () => {50 const [count, setCount] = useState(0);51 const increment = () => setCount(count + 1);52 return { count, increment };53};
Using AI Code Generation
1import { renderHook, act } from '@testing-library/react-hooks';2import { CounterStepProvider } from './CounterStepProvider';3describe('CounterStepProvider', () => {4 it('should increment the value', () => {5 const { result } = renderHook(() => CounterStepProvider());6 act(() => {7 result.current.increment();8 });9 expect(result.current.count).toBe(1);10 });11 it('should decrement the value', () => {12 const { result } = renderHook(() => CounterStepProvider());13 act(() => {14 result.current.decrement();15 });16 expect(result.current.count).toBe(-1);17 });18 it('should increment the value with step', () => {19 const { result } = renderHook(() => CounterStepProvider());20 act(() => {21 result.current.incrementBy(2);22 });23 expect(result.current.count).toBe(2);24 });25 it('should decrement the value with step', () => {26 const { result } = renderHook(() => CounterStepProvider());27 act(() => {28 result.current.decrementBy(2);29 });30 expect(result.current.count).toBe(-2);31 });32 it('should reset the value', () => {33 const { result } = renderHook(() => CounterStepProvider());34 act(() => {35 result.current.increment();36 result.current.reset();37 });38 expect(result.current.count).toBe(0);39 });40});41import { renderHook, act } from '@testing-library/react-hooks';42import { CounterStepProvider } from './CounterStepProvider';43describe('CounterStepProvider', () => {44 it('should increment the value', () => {45 const { result } = renderHook(() => CounterStepProvider());46 act(() => {47 result.current.increment();48 });49 expect(result.current.count).toBe(1);50 });51 it('should decrement the value', () => {52 const { result } = renderHook(() => CounterStepProvider());53 act(() => {54 result.current.decrement();55 });56 expect(result.current.count).toBe(-1);57 });58 it('should increment the value with step', () => {59 const { result } = renderHook(() => CounterStepProvider());60 act(() => {61 result.current.incrementBy(2);62 });63 expect(result.current
Using AI Code Generation
1import { renderHook } from '@testing-library/react-hooks';2import CounterStepProvider from './CounterStepProvider';3describe('CounterStepProvider', () => {4 it('should increment the count by 1', () => {5 const { result } = renderHook(() => CounterStepProvider());6 expect(result.current.count).toBe(0);7 act(() => {8 result.current.increment();9 });10 expect(result.current.count).toBe(1);11 });12 it('should increment the count by 5', () => {13 const { result } = renderHook(() => CounterStepProvider());14 expect(result.current.count).toBe(0);15 act(() => {16 result.current.increment(5);17 });18 expect(result.current.count).toBe(5);19 });20});21import { useState } from 'react';22const CounterStepProvider = () => {23 const [count, setCount] = useState(0);24 const increment = (step = 1) => {25 setCount(count + step);26 };27 return { count, increment };28};29export default CounterStepProvider;30import { renderHook, act } from '@testing-library/react-hooks';31import CounterStepProvider from './CounterStepProvider';32describe('CounterStepProvider', () => {33 it('should increment the count by 1', () => {34 const { result } = renderHook(() => CounterStepProvider());35 expect(result.current.count).toBe(0);36 act(() => {37 result.current.increment();38 });39 expect(result.current.count).toBe(1);40 });41 it('should increment the count by 5', () => {42 const { result } = renderHook(() => CounterStepProvider());43 expect(result.current.count).toBe(0);44 act(() => {45 result.current.increment(5);46 });47 expect(result.current.count).toBe(5);48 });49});50import { useState } from 'react';51const CounterStepProvider = () => {52 const [count, setCount] = useState(0);53 const increment = (step = 1) => {54 setCount(count + step);55 };56 return { count, increment };57};58export default CounterStepProvider;59import { renderHook, act } from '@testing-library/react-hooks';60import CounterStepProvider from
Using AI Code Generation
1import { CounterStepProvider } from './CounterStepContext'2import { renderHook } from '@testing-library/react-hooks'3describe('CounterStepContext', () => {4 it('should use the default step value', () => {5 const { result } = renderHook(() => CounterStepProvider(), {6 })7 expect(result.current).toBe(1)8 })9})10import { CounterStepProvider } from './CounterStepContext'11import { renderHook } from '@testing-library/react-hooks'12describe('CounterStepContext', () => {13 it('should use the default step value', () => {14 const { result } = renderHook(() => CounterStepProvider(), {15 })16 expect(result.current).toBe(1)17 })18})19import { CounterStepProvider } from './CounterStepContext'20import { renderHook } from '@testing-library/react-hooks'21describe('CounterStepContext', () => {22 it('should use the default step value', () => {23 const { result } = renderHook(() => CounterStepProvider(), {24 })25 expect(result.current).toBe(1)26 })27})28import { CounterStepProvider } from './CounterStepContext'29import { renderHook } from '@testing-library/react-hooks'30describe('CounterStepContext', () => {31 it('should use the default step value', () => {32 const { result } = renderHook(() => CounterStepProvider(), {33 })34 expect(result.current).toBe(1)35 })36})37import { CounterStepProvider } from './CounterStepContext'38import { renderHook } from '@testing-library/react-hooks'39describe('CounterStepContext', () => {40 it('should use the default step value', () => {41 const { result } = renderHook(() => CounterStepProvider(), {42 })43 expect(result.current).toBe(1)44 })45})
Using AI Code Generation
1import { renderHook, act } from "@testing-library/react-hooks";2import { CounterStepProvider } from "./CounterStepProvider";3test("default value of step is 1", () => {4 const { result } = renderHook(() => CounterStepProvider());5 expect(result.current.step).toBe(1);6});7test("setStep function sets the step", () => {8 const { result } = renderHook(() => CounterStepProvider());9 act(() => {10 result.current.setStep(2);11 });12 expect(result.current.step).toBe(2);13});14test("setStep function sets the step", () => {15 const { result } = renderHook(() => CounterStepProvider());16 act(() => {17 result.current.setStep(5);18 });19 expect(result.current.step).toBe(5);20});21test("setStep function sets the step", () => {22 const { result } = renderHook(() => CounterStepProvider());23 act(() => {24 result.current.setStep(10);25 });26 expect(result.current.step).toBe(10);27});28import { useState } from "react";29export const CounterStepProvider = () => {30 const [step, setStep] = useState(1);31 return {32 };33};34import React from "react";35import { CounterStepProvider } from "./CounterStepProvider";36export const Counter = () => {37 const { step, setStep } = CounterStepProvider();38 return (39 value={step}40 onChange={(e) => setStep(Number(e.target.value))}41 );42};43import React from "react";44import { Counter } from "./Counter";45function App() {46 return (47 );48}49export default App;
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