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

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

asyncHook.test.ts

Source:asyncHook.test.ts

...22    return value;23  };24  test("should wait for next update", async () => {25    const { result, waitForNextUpdate } = renderHook(() =>26      useSequence("first", "second")27    );28    expect(result.current).toBe("first");29    await waitForNextUpdate();30    expect(result.current).toBe("second");31  });32  test("should wait for multiple updates", async () => {33    const { result, waitForNextUpdate } = renderHook(() =>34      useSequence("first", "second", "third")35    );36    expect(result.current).toBe("first");37    await waitForNextUpdate();38    expect(result.current).toBe("second");39    await waitForNextUpdate();40    expect(result.current).toBe("third");41  });42  test("should resolve all when updating", async () => {43    const { result, waitForNextUpdate } = renderHook(() =>44      useSequence("first", "second")45    );46    expect(result.current).toBe("first");47    await Promise.all([48      waitForNextUpdate(),49      waitForNextUpdate(),50      waitForNextUpdate(),51    ]);52    expect(result.current).toBe("second");53  });54  test("should reject if timeout exceeded when waiting for next update", async () => {55    const { result, waitForNextUpdate } = renderHook(() =>56      useSequence("first", "second")57    );58    expect(result.current).toBe("first");59    await expect(waitForNextUpdate({ timeout: 10 })).rejects.toThrow(60      Error("Timed out in waitForNextUpdate after 10ms.")61    );62  });63  test("should wait for expectation to pass", async () => {64    const { result, wait } = renderHook(() =>65      useSequence("first", "second", "third")66    );67    expect(result.current).toBe("first");68    let complete = false;69    await wait(() => {70      expect(result.current).toBe("third");71      complete = true;72    });73    expect(complete).toBe(true);74  });75  test("should not hang if expectation is already passing", async () => {76    const { result, wait } = renderHook(() => useSequence("first", "second"));77    expect(result.current).toBe("first");78    let complete = false;79    await wait(() => {80      expect(result.current).toBe("first");81      complete = true;82    });83    expect(complete).toBe(true);84  });85  test("should reject if callback throws error", async () => {86    const { result, wait } = renderHook(() =>87      useSequence("first", "second", "third")88    );89    expect(result.current).toBe("first");90    await expect(91      wait(92        () => {93          if (result.current === "second") {94            throw new Error("Something Unexpected");95          }96          return result.current === "third";97        },98        {99          suppressErrors: false,100        }101      )102    ).rejects.toThrow(Error("Something Unexpected"));103  });104  test("should reject if callback immediately throws error", async () => {105    const { result, wait } = renderHook(() =>106      useSequence("first", "second", "third")107    );108    expect(result.current).toBe("first");109    await expect(110      wait(111        () => {112          throw new Error("Something Unexpected");113        },114        {115          suppressErrors: false,116        }117      )118    ).rejects.toThrow(Error("Something Unexpected"));119  });120  test("should wait for truthy value", async () => {121    const { result, wait } = renderHook(() =>122      useSequence("first", "second", "third")123    );124    expect(result.current).toBe("first");125    await wait(() => result.current === "third");126    expect(result.current).toBe("third");127  });128  // FIXME129  test.skip("should reject if timeout exceeded when waiting for expectation to pass", async () => {130    const { result, wait } = renderHook(() =>131      useSequence("first", "second", "third")132    );133    expect(result.current).toBe("first");134    await expect(135      wait(136        () => {137          expect(result.current).toBe("third");138        },139        { timeout: 75 }140      )141    ).rejects.toThrow(Error("Timed out in wait after 75ms."));142  });143  test("should wait for value to change", async () => {144    const { result, waitForValueToChange } = renderHook(() =>145      useSequence("first", "second", "third")146    );147    expect(result.current).toBe("first");148    await waitForValueToChange(() => result.current === "third");149    expect(result.current).toBe("third");150  });151  test("should reject if timeout exceeded when waiting for value to change", async () => {152    const { result, waitForValueToChange } = renderHook(() =>153      useSequence("first", "second", "third")154    );155    expect(result.current).toBe("first");156    await expect(157      waitForValueToChange(() => result.current === "third", {158        timeout: 75,159      })160    ).rejects.toThrow(Error("Timed out in waitForValueToChange after 75ms."));161  });162  test("should reject if selector throws error", async () => {163    const { result, waitForValueToChange } = renderHook(() =>164      useSequence("first", "second")165    );166    expect(result.current).toBe("first");167    await expect(168      waitForValueToChange(() => {169        if (result.current === "second") {170          throw new Error("Something Unexpected");171        }172        return result.current;173      })174    ).rejects.toThrow(Error("Something Unexpected"));175  });176  test("should not reject if selector throws error and suppress errors option is enabled", async () => {177    const { result, waitForValueToChange } = renderHook(() =>178      useSequence("first", "second", "third")179    );180    expect(result.current).toBe("first");181    await waitForValueToChange(182      () => {183        if (result.current === "second") {184          throw new Error("Something Unexpected");185        }186        return result.current === "third";187      },188      { suppressErrors: true }189    );190    expect(result.current).toBe("third");191  });192});

useEffect-asyncHook.test.js

Source:useEffect-asyncHook.test.js

...20    }, [...values]);21    return value;22  };23  test('should wait for next update', async () => {24    const {result, waitForNextUpdate} = renderHook(() => useSequence('first', 'second'));25    expect(result.current).toBe('first');26    await waitForNextUpdate();27    expect(result.current).toBe('second');28  });29  test('should wait for multiple updates', async () => {30    const {result, waitForNextUpdate} = renderHook(() => useSequence('first', 'second', 'third'));31    expect(result.current).toBe('first');32    await waitForNextUpdate();33    expect(result.current).toBe('second');34    await waitForNextUpdate();35    expect(result.current).toBe('third');36  });37  test('should resolve all when updating', async () => {38    const {result, waitForNextUpdate} = renderHook(() => useSequence('first', 'second'));39    expect(result.current).toBe('first');40    await Promise.all([waitForNextUpdate(), waitForNextUpdate(), waitForNextUpdate()]);41    expect(result.current).toBe('second');42  });43  test('should reject if timeout exceeded when waiting for next update', async () => {44    const {result, waitForNextUpdate} = renderHook(() => useSequence('first', 'second'));45    expect(result.current).toBe('first');46    await expect(waitForNextUpdate({timeout: 10})).rejects.toThrow(47      Error('Timed out in waitForNextUpdate after 10ms.'),48    );49  });50  test('should wait for expectation to pass', async () => {51    const {result, wait} = renderHook(() => useSequence('first', 'second', 'third'));52    expect(result.current).toBe('first');53    let complete = false;54    await wait(() => {55      expect(result.current).toBe('third');56      complete = true;57    });58    expect(complete).toBe(true);59  });60  test('should not hang if expectation is already passing', async () => {61    const {result, wait} = renderHook(() => useSequence('first', 'second'));62    expect(result.current).toBe('first');63    let complete = false;64    await wait(() => {65      expect(result.current).toBe('first');66      complete = true;67    });68    expect(complete).toBe(true);69  });70  test('should reject if callback throws error', async () => {71    const {result, wait} = renderHook(() => useSequence('first', 'second', 'third'));72    expect(result.current).toBe('first');73    await expect(74      wait(75        () => {76          if (result.current === 'second') {77            throw new Error('Something Unexpected');78          }79          return result.current === 'third';80        },81        {82          suppressErrors: false,83        },84      ),85    ).rejects.toThrow(Error('Something Unexpected'));86  });87  test('should reject if callback immediately throws error', async () => {88    const {result, wait} = renderHook(() => useSequence('first', 'second', 'third'));89    expect(result.current).toBe('first');90    await expect(91      wait(92        () => {93          throw new Error('Something Unexpected');94        },95        {96          suppressErrors: false,97        },98      ),99    ).rejects.toThrow(Error('Something Unexpected'));100  });101  test('should wait for truthy value', async () => {102    const {result, wait} = renderHook(() => useSequence('first', 'second', 'third'));103    expect(result.current).toBe('first');104    await wait(() => result.current === 'third');105    expect(result.current).toBe('third');106  });107  test('should reject if timeout exceeded when waiting for expectation to pass', async () => {108    const {result, wait} = renderHook(() => useSequence('first', 'second', 'third'));109    expect(result.current).toBe('first');110    await expect(111      wait(112        () => {113          expect(result.current).toBe('third');114        },115        {timeout: 75},116      ),117    ).rejects.toThrow(Error('Timed out in wait after 75ms.'));118  });119  test('should wait for value to change', async () => {120    const {result, waitForValueToChange} = renderHook(() => useSequence('first', 'second', 'third'));121    expect(result.current).toBe('first');122    await waitForValueToChange(() => result.current === 'third');123    expect(result.current).toBe('third');124  });125  test('should reject if timeout exceeded when waiting for value to change', async () => {126    const {result, waitForValueToChange} = renderHook(() => useSequence('first', 'second', 'third'));127    expect(result.current).toBe('first');128    await expect(129      waitForValueToChange(() => result.current === 'third', {130        timeout: 75,131      }),132    ).rejects.toThrow(Error('Timed out in waitForValueToChange after 75ms.'));133  });134  test('should reject if selector throws error', async () => {135    const {result, waitForValueToChange} = renderHook(() => useSequence('first', 'second'));136    expect(result.current).toBe('first');137    await expect(138      waitForValueToChange(() => {139        if (result.current === 'second') {140          throw new Error('Something Unexpected');141        }142        return result.current;143      }),144    ).rejects.toThrow(Error('Something Unexpected'));145  });146  test('should not reject if selector throws error and suppress errors option is enabled', async () => {147    const {result, waitForValueToChange} = renderHook(() => useSequence('first', 'second', 'third'));148    expect(result.current).toBe('first');149    await waitForValueToChange(150      () => {151        if (result.current === 'second') {152          throw new Error('Something Unexpected');153        }154        return result.current === 'third';155      },156      {suppressErrors: true},157    );158    expect(result.current).toBe('third');159  });...

Using AI Code Generation

1import { useSequence } from '@testing-library/react-hooks';2import { renderHook } from '@testing-library/react-hooks';3import { useCounter } from './useCounter';4describe('useCounter', () => {5  it('should increment the counter', () => {6    const { result } = renderHook(() => useCounter());7    const [count, increment] = result.current;8    expect(count).toBe(0);9    increment();10    expect(count).toBe(1);11  });12  it('should increment the counter using useSequence', () => {13    const { result } = renderHook(() => useCounter());14    const [count, increment] = result.current;15    useSequence(() => {16      expect(count).toBe(0);17      increment();18      expect(count).toBe(1);19    });20  });21});22import { useSequence } from '@testing-library/react-hooks';23import { renderHook } from '@testing-library/react-hooks';24import { useCounter } from './useCounter';25describe('useCounter', () => {26  it('should increment the counter', () => {27    const { result } = renderHook(() => useCounter());28    const [count, increment] = result.current;29    expect(count).toBe(0);30    increment();31    expect(count).toBe(1);32  });33  it('should increment the counter using useSequence', () => {34    const { result } = renderHook(() => useCounter());35    const [count, increment] = result.current;36    useSequence(() => {37      expect(count).toBe(0);38      increment();39      expect(count).toBe(1);40    });41  });42});43import { useSequence } from '@testing-library/react-hooks';44import { renderHook } from '@testing-library/react-hooks';45import { useCounter } from './useCounter';46describe('useCounter', () => {47  it('should increment the counter', () => {48    const { result } = renderHook(() => useCounter());49    const [count, increment] = result.current;50    expect(count).toBe(0);51    increment();52    expect(count).toBe(1);53  });54  it('should increment the counter using useSequence', () => {55    const { result } = renderHook(() => useCounter());

Using AI Code Generation

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

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});19import { useState } from "react";20export default function useCounter() {21  const [count, setCount] = useState(0);22  const increment = () => {23    setCount(count + 1);24  };25  const decrement = () => {26    setCount(count - 1);27  };28  return {29  };30}31{32  "dependencies": {33  },34  "scripts": {35  },36  "eslintConfig": {37  },38  "browserslist": {39  }40}41import React from "react";42import { render } from "@testing-library/react";43import App from "./App";

Using AI Code Generation

1import { renderHook } from '@testing-library/react-hooks';2import { useSequence } from '../src/useSequence';3test('should return the sequence', () => {4  const { result } = renderHook(() => useSequence([1, 2, 3]));5  expect(result.current).toBe(1);6});7import { renderHook } from '@testing-library/react-hooks';8import { useSequence } from '../src/useSequence';9test('should return the sequence', () => {10  const { result } = renderHook(() => useSequence([1, 2, 3]));11  expect(result.current).toBe(1);12});13import { renderHook } from '@testing-library/react-hooks';14import { useSequence } from '../src/useSequence';15test('should return the sequence', () => {16  const { result } = renderHook(() => useSequence([1, 2, 3]));17  expect(result.current).toBe(1);18});19import { renderHook } from '@testing-library/react-hooks';20import { useSequence } from '../src/useSequence';21test('should return the sequence', () => {22  const { result } = renderHook(() => useSequence([1, 2, 3]));23  expect(result.current).toBe(1);24});25import { renderHook } from '@testing-library/react-hooks';26import { useSequence } from '../src/useSequence';27test('should return the sequence', () => {28  const { result } = renderHook(() => useSequence([1, 2, 3]));29  expect(result.current).toBe(1);30});31import { renderHook } from '@testing-library/react-hooks';32import { useSequence } from '../src/useSequence';33test('should return the sequence', () => {34  const { result } = renderHook(() => useSequence([1, 2, 3]));35  expect(result.current).toBe(1);36});

Using AI Code Generation

1import { act, renderHook } from '@testing-library/react-hooks'2import { useCounter } from './useCounter'3test('should increment counter', () => {4  const { result } = renderHook(() => useCounter())5  act(() => {6    result.current.increment()7  })8  expect(result.current.count).toBe(1)9})10test('should decrement counter', () => {11  const { result } = renderHook(() => useCounter())12  act(() => {13    result.current.decrement()14  })15  expect(result.current.count).toBe(-1)16})17test('should reset counter', () => {18  const { result } = renderHook(() => useCounter())19  act(() => {20    result.current.increment()21    result.current.increment()22    result.current.reset()23  })24  expect(result.current.count).toBe(0)25})26test('should increment counter by 2', () => {27  const { result } = renderHook(() => useCounter(2))28  act(() => {29    result.current.increment()30  })31  expect(result.current.count).toBe(2)32})33test('should decrement counter by 2', () => {34  const { result } = renderHook(() => useCounter(2))35  act(() => {36    result.current.decrement()37  })38  expect(result.current.count).toBe(-2)39})40import { useState } from 'react'41export const useCounter = (initialCount = 0) => {42  const [count, setCount] = useState(initialCount)43  const increment = () => {44    setCount(count + 1)45  }46  const decrement = () => {47    setCount(count - 1)48  }49  const reset = () => {50    setCount(initialCount)51  }52  return { count, increment, decrement, reset }53}54export declare const useCounter: (initialCount?: number | undefined) => {55  increment: () => void56  decrement: () => void57  reset: () => void58}59import '@testing-library/jest-dom'60import '@testing-library/react-hooks'61declare module '@testing-library/react-hooks' {

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { useSequence } from '../hooks/useSequence';3describe('useSequence', () => {4  test('should return the value of the sequence', () => {5    const { result } = renderHook(() => useSequence(1, 2, 3));6    expect(result.current).toBe(1);7  });8  test('should return the next value of the sequence', () => {9    const { result } = renderHook(() => useSequence(1, 2, 3));10    act(() => {11      result.current.next();12    });13    expect(result.current).toBe(2);14  });15  test('should return the previous value of the sequence', () => {16    const { result } = renderHook(() => useSequence(1, 2, 3));17    act(() => {18      result.current.next();19      result.current.next();20      result.current.previous();21    });22    expect(result.current).toBe(2);23  });24  test('should return the first value of the sequence', () => {25    const { result } = renderHook(() => useSequence(1, 2, 3));26    act(() => {27      result.current.next();28      result.current.next();29      result.current.first();30    });31    expect(result.current).toBe(1);32  });33  test('should return the last value of the sequence', () => {34    const { result } = renderHook(() => useSequence(1, 2, 3));35    act(() => {36      result.current.next();37      result.current.next();38      result.current.last();39    });40    expect(result.current).toBe(3);41  });42  test('should return the first value of the sequence', () => {43    const { result } = renderHook(() => useSequence(1, 2, 3));44    act(() => {45      result.current.next();46      result.current.next();47      result.current.first();48    });49    expect(result.current).toBe(1);50  });51  test('should return the last value of the sequence', () => {52    const { result } = renderHook(() => useSequence(1, 2, 3));53    act(() => {54      result.current.next();55      result.current.next();56      result.current.last();57    });58    expect(result.current).toBe(3);59  });60  test('should return the first value of the sequence', () => {

Using AI Code Generation

1import { renderHook } from '@testing-library/react-hooks';2import { useSequence } from '../src/useSequence';3const { result, waitForNextUpdate } = renderHook(() => useSequence(1000));4import { renderHook } from '@testing-library/react-hooks';5import { useSequence } from '../src/useSequence';6const { result, waitForNextUpdate } = renderHook(() => useSequence(1000));7import { renderHook } from '@testing-library/react-hooks';8import { useSequence } from '../src/useSequence';9const { result, waitForNextUpdate } = renderHook(() => useSequence(1000));10import { renderHook } from '@testing-library/react-hooks';11import { useSequence } from '../src/useSequence';12const { result, waitForNextUpdate } = renderHook(() => useSequence(1000));13import { renderHook } from '@testing-library/react-hooks';14import { useSequence } from '../src/useSequence';15const { result, waitForNextUpdate } = renderHook(() => useSequence(1000));16import { renderHook } from '@testing-library/react-hooks';17import { useSequence } from '../src/useSequence';18const { result, waitForNextUpdate } = renderHook(() => useSequence(1000));19import { renderHook } from '@testing-library/react-hooks';20import { useSequence } from '../src/useSequence';21const { result, waitForNextUpdate } = renderHook(() => useSequence(1000));

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