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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() ã§ 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¤ãæ¸¡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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