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

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

cleanup.test.ts

Source:cleanup.test.ts

...11              cleanupCalled = true12            }13          })14        }15        renderHook(() => useHookWithCleanup())16        await cleanup()17        expect(cleanupCalled).toBe(true)18      })19      test('should cleanup all rendered hooks', async () => {20        const cleanupCalled: boolean[] = []21        const useHookWithCleanup = (id: number) => {22          useEffect(() => {23            return () => {24              cleanupCalled[id] = true25            }26          })27        }28        renderHook(() => useHookWithCleanup(1))29        renderHook(() => useHookWithCleanup(2))30        await cleanup()31        expect(cleanupCalled[1]).toBe(true)32        expect(cleanupCalled[2]).toBe(true)33      })34      test('should call cleanups in reverse order', async () => {35        const callSequence: string[] = []36        addCleanup(() => {37          callSequence.push('cleanup')38        })39        addCleanup(() => {40          callSequence.push('another cleanup')41        })42        const useHookWithCleanup = () => {43          useEffect(() => {44            return () => {45              callSequence.push('unmount')46            }47          })48        }49        renderHook(() => useHookWithCleanup())50        await cleanup()51        expect(callSequence).toEqual(['unmount', 'another cleanup', 'cleanup'])52      })53      test('should wait for async cleanup', async () => {54        const callSequence: string[] = []55        addCleanup(() => {56          callSequence.push('cleanup')57        })58        addCleanup(async () => {59          await new Promise((resolve) => setTimeout(resolve, 10))60          callSequence.push('another cleanup')61        })62        const useHookWithCleanup = () => {63          useEffect(() => {64            return () => {65              callSequence.push('unmount')66            }67          })68        }69        renderHook(() => useHookWithCleanup())70        await cleanup()71        expect(callSequence).toEqual(['unmount', 'another cleanup', 'cleanup'])72      })73      test('should remove cleanup using removeCleanup', async () => {74        const callSequence: string[] = []75        addCleanup(() => {76          callSequence.push('cleanup')77        })78        const anotherCleanup = () => {79          callSequence.push('another cleanup')80        }81        addCleanup(anotherCleanup)82        const useHookWithCleanup = () => {83          useEffect(() => {84            return () => {85              callSequence.push('unmount')86            }87          })88        }89        renderHook(() => useHookWithCleanup())90        removeCleanup(anotherCleanup)91        await cleanup()92        expect(callSequence).toEqual(['unmount', 'cleanup'])93      })94      test('should remove cleanup using returned handler', async () => {95        const callSequence: string[] = []96        addCleanup(() => {97          callSequence.push('cleanup')98        })99        const remove = addCleanup(() => {100          callSequence.push('another cleanup')101        })102        const useHookWithCleanup = () => {103          useEffect(() => {104            return () => {105              callSequence.push('unmount')106            }107          })108        }109        renderHook(() => useHookWithCleanup())110        remove()111        await cleanup()112        expect(callSequence).toEqual(['unmount', 'cleanup'])113      })114    }115  )116  runForRenderers(['server/pure'], ({ renderHook, cleanup }) => {117    test('should only cleanup hydrated hooks', async () => {118      const cleanups: Record<string, boolean> = {119        ssr: false,120        hydrated: false121      }122      const useHookWithCleanup = (name: string) => {123        useEffect(() => {124          return () => {125            cleanups[name] = true126          }127        })128      }129      renderHook(() => useHookWithCleanup('ssr'))130      const { hydrate } = renderHook(() => useHookWithCleanup('hydrated'))131      hydrate()132      await cleanup()133      expect(cleanups.ssr).toBe(false)134      expect(cleanups.hydrated).toBe(true)135    })136  })...

autoCleanup.test.ts

Source:autoCleanup.test.ts

...12            cleanupCalled = true13          }14        })15      }16      renderHook(() => useHookWithCleanup())17    })18    test('second', () => {19      expect(cleanupCalled).toBe(true)20    })21  })22  runForRenderers(['server'], ({ renderHook }) => {23    const cleanups: Record<string, boolean> = {24      ssr: false,25      hydrated: false26    }27    test('first (with hydration)', () => {28      const useHookWithCleanup = (name: string) => {29        useEffect(() => {30          return () => {31            cleanups[name] = true32          }33        })34      }35      renderHook(() => useHookWithCleanup('ssr'))36      const { hydrate } = renderHook(() => useHookWithCleanup('hydrated'))37      hydrate()38    })39    test('second (with hydration)', () => {40      expect(cleanups.ssr).toBe(false)41      expect(cleanups.hydrated).toBe(true)42    })43  })...

autoCleanup.pure.test.ts

Source:autoCleanup.pure.test.ts

...13              cleanupCalled = true14            }15          })16        }17        renderHook(() => useHookWithCleanup())18      })19      test('second', () => {20        expect(cleanupCalled).toBe(false)21      })22    }23  )...

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { useCounter } from '../useCounter';3describe('useCounter', () => {4  it('should increment counter', () => {5    const { result } = renderHook(() => useCounter());6    act(() => {7      result.current.increment();8    });9    expect(result.current.count).toBe(1);10  });11  it('should decrement counter', () => {12    const { result } = renderHook(() => useCounter());13    act(() => {14      result.current.decrement();15    });16    expect(result.current.count).toBe(-1);17  });18  it('should reset counter', () => {19    const { result } = renderHook(() => useCounter());20    act(() => {21      result.current.reset();22    });23    expect(result.current.count).toBe(0);24  });25});26import { useState } from 'react';27export const useCounter = () => {28  const [count, setCount] = useState(0);29  const increment = () => {30    setCount((count) => count + 1);31  };32  const decrement = () => {33    setCount((count) => count - 1);34  };35  const reset = () => {36    setCount(0);37  };38  return { count, increment, decrement, reset };39};40import React from 'react';41import { useCounter } from './useCounter';42function App() {43  const { count, increment, decrement, reset } = useCounter();44  return (45      <button onClick={increment}>Increment</button>46      <button onClick={decrement}>Decrement</button>47      <button onClick={reset}>Reset</button>48      <div>Count: {count}</div>49  );50}51export default App;

Using AI Code Generation

1import { useHookWithCleanup } from '@testing-library/react-hooks';2import { cleanup } from '@testing-library/react-hooks';3import { act } from '@testing-library/react-hooks';4import { renderHook } from '@testing-library/react-hooks';5import { renderHook } from '@testing-library/react-hooks';6import { renderHook } from '@testing-library/react-hooks';7import { renderHook } from '@testing-library/react-hooks';8import { useHookWithCleanup } from '@testing-library/react-hooks';9import { cleanup } from '@testing-library/react-hooks';10import { act } from '@testing-library/react-hooks';11import { renderHook } from '@testing-library/react-hooks';12import { renderHook } from '@testing-library/react-hooks';13import { renderHook } from '@testing-library/react-hooks';14import { renderHook } from '@testing-library/react-hooks';15import { useHookWithCleanup } from '@testing-library/react-hooks';16import { cleanup } from '@testing-library/react-hooks';17import { act } from '@testing-library/react-hooks';

Using AI Code Generation

1import { renderHook } from '@testing-library/react-hooks';2import { useTestHook } from './testHook';3describe('useTestHook', () => {4  it('should return a value', () => {5    const { result } = renderHook(() => useTestHook());6    expect(result.current).toBe('test');7  });8});9const hook = renderHook(() => hooks[name](...args), options);10const queryCache = new QueryCache();11const queryClient = new QueryClient();12const { Provider, useQueryClient } = initReactQuery();13const ReactQueryContext = createContext();14const { Provider, Consumer } = context;15const context = createContext();

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { useHookWithCleanup } from 'use-hook-with-cleanup';3const { result } = renderHook(() => useHookWithCleanup(() => {4  return () => {5  }6}));7act(() => {8});9import { renderHook, act } from '@testing-library/react-hooks';10import { useHookWithCleanup } from 'use-hook-with-cleanup';11const { result } = renderHook(() => useHookWithCleanup(() => {12  return () => {13  }14}));15act(() => {16});17import { renderHook, act } from '@testing-library/react-hooks';18import { useHookWithCleanup } from 'use-hook-with-cleanup';19const { result } = renderHook(() => useHookWithCleanup(() => {20  return () => {21  }22}));23act(() => {24});25import { renderHook, act } from '@testing-library/react-hooks';26import { useHookWithCleanup } from 'use-hook-with-cleanup';27const { result } = renderHook(() => useHookWithCleanup(() => {28  return () => {29  }30}));31act(() => {32});33import { renderHook, act } from '@testing-library/react-hooks';34import { useHookWithCleanup } from 'use-hook-with-cleanup';35const { result } = renderHook(() => useHookWithCleanup(() => {36  return () => {37  }38}));39act(() => {40});

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, useEffect } from 'react';13const useCounter = () => {14  const [count, setCount] = useState(0);15  const increment = () => setCount(count + 1);16  useEffect(() => {17    console.log('useEffect called');18    return () => console.log('useEffect cleanup');19  }, []);20  return { count, increment };21};22export default useCounter;23import { renderHook, act } from '@testing-library/react-hooks';24import useCounter from './useCounter';25describe('useCounter', () => {26  it('should increment the counter', () => {27    const { result } = renderHook(() => useCounter());28    act(() => {29      result.current.increment();30    });31    expect(result.current.count).toBe(1);32  });33});34import { useState, useEffect } from 'react';35const useCounter = () => {36  const [count, setCount] = useState(0);37  const increment = () => setCount(count + 1);38  useEffect(() => {39    console.log('useEffect called');40    return () => console.log('useEffect cleanup');41  }, []);42  return { count, increment };43};44export default useCounter;45    √ should increment the counter (6ms)46    √ should increment the counter (5ms)

Using AI Code Generation

1import { renderHook, act } from "@testing-library/react-hooks";2import useFetch from "./useFetch";3test("should fetch data", async () => {4  const { result, waitForNextUpdate } = renderHook(() =>5  );6  expect(result.current.loading).toBeTruthy();7  expect(result.current.data).toBeNull();8  expect(result.current.error).toBeNull();9  await waitForNextUpdate();10  expect(result.current.loading).toBeFalsy();11  expect(result.current.data.length).toBe(100);12  expect(result.current.error).toBeNull();13});14import { useState, useEffect, useCallback } from "react";15export default function useFetch(url) {16  const [loading, setLoading] = useState(true);17  const [data, setData] = useState([]);18  const [error, setError] = useState("");19  const fetchData = useCallback(async () => {20    try {21      const response = await fetch(url);22      const data = await response.json();23      setData(data);24      setLoading(false);25    } catch (err) {26      setError(err.message);27      setLoading(false);28    }29  }, [url]);30  useEffect(() => {31    fetchData();32  }, [fetchData]);33  return { loading, data, error };34}35import { renderHook, act } from "@testing-library/react-hooks";36import useFetch from "./useFetch";37test("should fetch data", async () => {38  const { result, waitForNextUpdate } = renderHook(() =>39  );40  expect(result.current.loading).toBeTruthy();41  expect(result.current.data).toBeNull();42  expect(result.current.error).toBeNull();43  await waitForNextUpdate();44  expect(result.current.loading).toBeFalsy();45  expect(result.current.data.length).toBe(100);46  expect(result.current.error).toBeNull();47});48import { useState, useEffect, useCallback } from "react";49export default function useFetch(url) {50  const [loading, setLoading] = useState(true);51  const [data, setData] = useState([]);52  const [error, setError] = useState("");53  const fetchData = useCallback(async () => {54    try {55      const response = await fetch(url);56      const data = await response.json();57      setData(data);58      setLoading(false);59    } catch (

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import useWindowWidth from '../src/useWindowWidth';3const resizeWindow = (width) => {4  window.innerWidth = width;5  window.dispatchEvent(new Event('resize'));6};7describe('useWindowWidth', () => {8  it('should return the window width', () => {9    const { result } = renderHook(() => useWindowWidth());10    expect(result.current).toBe(window.innerWidth);11  });12  it('should update the window width when the window is resized', () => {13    const { result } = renderHook(() => useWindowWidth());14    act(() => {15      resizeWindow(600);16    });17    expect(result.current).toBe(600);18  });19});20import { renderHook, act } from '@testing-library/react-hooks';21import useWindowWidth from '../src/useWindowWidth';22const resizeWindow = (width) => {23  window.innerWidth = width;24  window.dispatchEvent(new Event('resize'));25};26describe('useWindowWidth', () => {27  it('should return the window width', () => {28    const { result } = renderHook(() => useWindowWidth());29    expect(result.current).toBe(window.innerWidth);30  });31  it('should update the window width when the window is resized', () => {32    const { result } = renderHook(() => useWindowWidth());33    act(() => {34      resizeWindow(600);35    });36    expect(result.current).toBe(600);37  });38});39import { renderHook, act } from '@testing-library/react-hooks';40import

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { useCountdown } from './useCountdown';3describe('useCountdown', () => {4  it('should call the callback when the timer runs out', () => {5    jest.useFakeTimers();6    const callback = jest.fn();7    const { result } = renderHook(() => useCountdown(10, callback));8    expect(result.current.timeLeft).toBe(10);9    act(() => {10      jest.advanceTimersByTime(10000);11    });12    expect(callback).toHaveBeenCalledTimes(1);13  });14  it('should call the callback when the timer runs out', () => {15    jest.useFakeTimers();16    const callback = jest.fn();17    const { result } = renderHook(() => useCountdown(10, callback));18    expect(result.current.timeLeft).toBe(10);19    act(() => {20      jest.advanceTimersByTime(5000);21    });22    expect(result.current.timeLeft).toBe(5);23  });24});25import { useState, useEffect } from 'react';26export const useCountdown = (time, callback) => {27  const [timeLeft, setTimeLeft] = useState(time);28  useEffect(() => {29    const timer = setTimeout(() => {30      setTimeLeft(timeLeft - 1);31    }, 1000);32    if (timeLeft === 0) {33      callback();34    }35    return () => clearTimeout(timer);36  }, [timeLeft, callback]);37  return {38  };39};40import React from 'react';41import { useCountdown } from './useCountdown';42const App = () => {43  const { timeLeft } = useCountdown(10, () => {44    alert('Time is up!');45  });46  return (47      <h1>Time left: {timeLeft}</h1>48  );49};50export default App;

Using AI Code Generation

1import React from 'react';2import { renderHook, act } from '@testing-library/react-hooks'3import useHover from './useHover';4it('should call the callback when the element is hovered', () => {5    const callback = jest.fn();6    const { result } = renderHook(() => useHover(callback));7    expect(callback).not.toHaveBeenCalled();8    act(() => {9        result.current[1].onMouseEnter();10    });11    expect(callback).toHaveBeenCalled();12});13it('should call the callback when the element is unhovered', () => {14    const callback = jest.fn();15    const { result } = renderHook(() => useHover(callback));16    expect(callback).not.toHaveBeenCalled();17    act(() => {18        result.current[1].onMouseLeave();19    });20    expect(callback).toHaveBeenCalled();21});22it('should call the callback with the correct value when the element is hovered', () => {23    const callback = jest.fn();24    const { result } = renderHook(() => useHover(callback));25    expect(callback).not.toHaveBeenCalled();26    act(() => {27        result.current[1].onMouseEnter();28    });29    expect(callback).toHaveBeenCalledWith(true);30});31it('should call the callback with the correct value when the element is unhovered', () => {32    const callback = jest.fn();33    const { result } = renderHook(() => useHover(callback));34    expect(callback).not.toHaveBeenCalled();35    act(() => {36        result.current[1].onMouseLeave();37    });38    expect(callback).toHaveBeenCalledWith(false);39});40import React from 'react';41import { renderHook, act } from '@testing-library/react-hooks'42import useHover from './useHover';43it('should call the callback when the element is hovered', () => {44    const callback = jest.fn();45    const { result } = renderHook(() => useHover(callback));46    expect(callback).not.toHaveBeenCalled();47    act(() => {48        result.current[1].onMouseEnter();49    });50    expect(callback).toHaveBeenCalled();51});52it('should call the callback when the element is unhovered', () => {53    const callback = jest.fn();54    const { result } = renderHook(() => useHover(callback));55    expect(callback).not.toHaveBeenCalled

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