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

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

App.js

Source: App.js Github

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...202 return renderLayout(landscapeLayout, 'landscape')203 /​*204 <TouchableOpacity205 style={[styles.numbers_land, styles.button]}206 onPress={() => updateResult("10^")}207 >208 <View style={[{flexDirection: 'row', alignItems: 'flex-start'}, styles.button_text]}>209 <Text style={{fontSize: 20, lineHeight: 30}}>10</​Text>210 <Text style={{fontSize: 11, lineHeight: 18}}>x</​Text>211 </​View>212 </​TouchableOpacity>213 214 <TouchableOpacity215 style={[styles.numbers_land, styles.button]}216 onPress={() => updateResult("log10(")}217 >218 <View style={[{flexDirection: 'row', alignItems: 'flex-end'}, styles.button_text]}>219 <Text style={{fontSize: 20, lineHeight: 30}}>Log</​Text>220 <Text style={{fontSize: 11, lineHeight: 18}}>10</​Text>221 </​View>222 </​TouchableOpacity>223 */​224 }225 };226 227 const styles = StyleSheet.create({228 container: {229 display: 'flex',230 flexDirection: "row",...

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main.spec.js

Source: main.spec.js Github

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...84 calculate('5*5')85 }).toThrowError('some error');86 });87 });88 describe('updateResult()', function () {89 beforeAll(function () {90 /​/​ Executed ONCE before all specs are executed.91 element = document.createElement('div');92 element.setAttribute('id', 'result');93 document.body.appendChild(element);94 this.element = element;95 });96 afterAll(function () {97 /​/​ Executed ONCE after all specs are executed.98 document.body.removeChild(this.element);99 });100 it('adds result to DOM element', function () {101 updateResult('5');102 expect(this.element.innerText).toBe('5');103 });104 });105 describe('showVersion()', function () {106 it('calls calculator.version', function () {107 spyOn(document, 'getElementById').and.returnValue({108 innerText: null109 });110 const spy = spyOnProperty(Calculator.prototype, 'version', 'get');111 showVersion();112 expect(spy).toHaveBeenCalled();113 });114 });115});

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Using AI Code Generation

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

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Using AI Code Generation

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1import { renderHook } from '@testing-library/​react-hooks'2import { useCounter } from './​useCounter'3describe('useCounter', () => {4 it('should increment the counter', () => {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})11export const useCounter = () => {12 const [count, setCount] = useState(0)13 const increment = () => setCount((prevCount) => prevCount + 1)14 return { count, increment }15}16import { renderHook } from '@testing-library/​react-hooks'17import { useCounter } from './​useCounter'18describe('useCounter', () => {19 it('should increment the counter', () => {20 const { result } = renderHook(() => useCounter())21 expect(result.current.count).toBe(0)22 act(() => result.current.increment())23 expect(result.current.count).toBe(1)24 })25 it('should increment the counter by the given value', () => {26 const { result, rerender } = renderHook(({ incrementBy }) => useCounter(incrementBy), {27 initialProps: { incrementBy: 2 },28 })29 expect(result.current.count).toBe(0)30 act(() => result.current.increment())31 expect(result.current.count).toBe(2)32 rerender({ incrementBy: 3 })33 act(() => result.current.increment())34 expect(result.current.count).toBe(5)35 })36})37export const useCounter = (incrementBy = 1) => {38 const [count, setCount] = useState(0)39 const increment = () => setCount((prevCount) => prevCount + incrementBy)40 return { count, increment }41}42import { renderHook } from '@testing-library/​react-hooks'43import { useCounter } from './​useCounter'44describe('useCounter', () => {45 it('should increment the counter', () => {46 const { result } = renderHook(() => useCounter())47 expect(result.current.count).toBe(0

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Using AI Code Generation

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1import { renderHook } from '@testing-library/​react-hooks'2import { useCount } from './​useCount'3describe('useCount', () => {4 it('should increment count', () => {5 const { result } = renderHook(() => useCount())6 expect(result.current.count).toBe(0)7 result.current.increment()8 expect(result.current.count).toBe(1)9 })10})11import { useState } from 'react'12export const useCount = () => {13 const [count, setCount] = useState(0)14 const increment = () => setCount(count + 1)15 return { count, increment }16}17import { renderHook, act } from '@testing-library/​react-hooks'18import { useCount } from './​useCount'19describe('useCount', () => {20 it('should increment count', () => {21 const { result } = renderHook(() => useCount())22 expect(result.current.count).toBe(0)23 act(() => result.current.increment())24 expect(result.current.count).toBe(1)25 })26})27import { useState } from 'react'28export const useCount = () => {29 const [count, setCount] = useState(0)30 const increment = () => setCount(count + 1)31 return { count, increment }32}

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Using AI Code Generation

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1import { renderHook, act } from '@testing-library/​react-hooks'2import { useCounter } from './​counter'3test('should use useCounter', () => {4 const { result } = renderHook(() => useCounter())5 expect(result.current.count).toBe(0)6 act(() => {7 result.current.increment()8 })9 expect(result.current.count).toBe(1)10 act(() => {11 result.current.incrementBy(2)12 })13 expect(result.current.count).toBe(3)14 act(() => {15 result.current.decrement()16 })17 expect(result.current.count).toBe(2)18 act(() => {19 result.current.decrementBy(2)20 })21 expect(result.current.count).toBe(0)22})23import { renderHook, act } from '@testing-library/​react-hooks'24import { useCounter } from './​counter'25test('should use useCounter', () => {26 const { result } = renderHook(() => useCounter())27 expect(result.current.count).toBe(0)28 act(() => {29 result.current.increment()30 })31 expect(result.current.count).toBe(1)32 act(() => {33 result.current.incrementBy(2)34 })35 expect(result.current.count).toBe(3)36 act(() => {37 result.current.decrement()38 })39 expect(result.current.count).toBe(2)40 act(() => {41 result.current.decrementBy(2)42 })43 expect(result.current.count).toBe(0)44})

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Using AI Code Generation

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1import { renderHook } from '@testing-library/​react-hooks';2import { useCounter } from '../​src/​useCounter';3test('useCounter', () => {4 const { result } = renderHook(() => useCounter());5 expect(result.current.count).toBe(0);6 result.current.increment();7 expect(result.current.count).toBe(1);8});9import { renderHook } from '@testing-library/​react-hooks';10import { useCounter } from '../​src/​useCounter';11test('useCounter', () => {12 const { result, rerender } = renderHook(() => useCounter());13 expect(result.current.count).toBe(0);14 result.current.increment();15 expect(result.current.count).toBe(1);16 rerender();17 expect(result.current.count).toBe(1);18});19import { renderHook } from '@testing-library/​react-hooks';20import { useCounter } from '../​src/​useCounter';21test('useCounter', () => {22 const { result, rerender } = renderHook(() => useCounter());23 expect(result.current.count).toBe(0);24 result.current.increment();25 expect(result.current.count).toBe(1);26 rerender();27 expect(result.current.count).toBe(1);28 result.current.increment();29 expect(result.current.count).toBe(2);30});31import { renderHook } from '@testing-library/​react-hooks';32import { useCounter } from '../​src/​useCounter';33test('useCounter', () => {34 const { result, rerender } = renderHook(() => useCounter());35 expect(result.current.count).toBe(0);36 result.current.increment();37 expect(result.current.count).toBe(1);38 rerender();39 expect(result.current.count).toBe(1);40 result.current.increment();41 expect(result.current.count).toBe(2);42 rerender();43 expect(result.current.count).toBe(2);44});45import { renderHook } from '@testing-library/​react-hooks';46import { useCounter } from '../​src/​useCounter';47test('useCounter', () => {48 const { result, rerender } = renderHook(() =>

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Using AI Code Generation

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1import { renderHook, act } from '@testing-library/​react-hooks';2import { useCounter } from './​test1';3test('should increment counter', () => {4 const { result } = renderHook(() => useCounter());5 act(() => {6 result.current.increment();7 });8 expect(result.current.count).toBe(1);9});10import { renderHook, act } from '@testing-library/​react-hooks';11import { useCounter } from './​test1';12test('should increment counter', () => {13 const { result } = renderHook(() => useCounter());14 act(() => {15 result.current.increment();16 });17 expect(result.current.count).toBe(1);18});19import { renderHook, act } from '@testing-library/​react-hooks';20import { useCounter } from './​test1';21test('should increment counter', () => {22 const { result } = renderHook(() => useCounter());23 act(() => {24 result.current.increment();25 });26 expect(result.current.count).toBe(1);27});28import { renderHook, act } from '@testing-library/​react-hooks';29import { useCounter } from './​test1';30test('should increment counter', () => {31 const { result } = renderHook(() => useCounter());32 act(() => {33 result.current.increment();34 });35 expect(result.current.count).toBe(1);36});37import { renderHook, act } from '@testing-library/​react-hooks';38import { useCounter } from './​test1';39test('should increment counter', () => {40 const { result } = renderHook(() => useCounter());41 act(() => {42 result.current.increment();43 });44 expect(result.current.count).toBe(1);45});46import { renderHook, act } from '@testing-library/​react-hooks';47import { useCounter } from './​test1';48test('should increment counter', () => {49 const { result } = renderHook(() => useCounter());50 act(() => {

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Using AI Code Generation

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1import { updateResult } from 'testing-library-react-hooks';2import { renderHook, act } from '@testing-library/​react-hooks';3import { useCounter } from './​useCounter';4test('useCounter', () => {5 const { result } = renderHook(() => useCounter(0));6 act(() => {7 updateResult(result, { counter: 1 });8 });9 expect(result.current.counter).toBe(1);10});11import { useState } from 'react';12export const useCounter = (initialValue) => {13 const [counter, setCounter] = useState(initialValue);14 const increment = () => {15 setCounter(counter + 1);16 };17 return { counter, increment };18};19import { updateResult } from 'testing-library-react-hooks';20import { renderHook, act } from '@testing-library/​react-hooks';21import { useCounter } from './​useCounter';22test('useCounter', () => {23 const { result } = renderHook(() => useCounter(0));24 act(() => {25 updateResult(result, { counter: 1 });26 });27 expect(result.current.counter).toBe(1);28});29import { useState } from 'react';30export const useCounter = (initialValue) => {31 const [counter, setCounter] = useState(initialValue);32 const increment = () => {33 setCounter(counter + 1);34 };35 return { counter, increment };36};37import { updateResult } from 'testing-library-react-hooks';38import { renderHook, act } from '@testing-library/​react-hooks';39import { useCounter } from './​useCounter';40test('useCounter', () => {41 const { result } = renderHook(() => useCounter(0));42 act(() => {43 updateResult(result, { counter: 1 });44 });45 expect(result.current.counter).toBe(1);46});47import { useState } from '

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