KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

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

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

externalCompileRunner.ts

Source:externalCompileRunner.ts

1namespace Harness {2    const fs: typeof import("fs") = require("fs");3    const path: typeof import("path") = require("path");4    const del: typeof import("del") = require("del");56    interface ExecResult {7        stdout: Buffer;8        stderr: Buffer;9        status: number | null;10    }1112    interface UserConfig {13        types: string[];14        cloneUrl: string;15        branch?: string;16        path?: string;17    }1819    abstract class ExternalCompileRunnerBase extends RunnerBase {20        abstract testDir: string;21        abstract report(result: ExecResult, cwd: string): string | null;22        enumerateTestFiles() {23            return IO.getDirectories(this.testDir);24        }25        /** Setup the runner's tests so that they are ready to be executed by the harness26         *  The first test should be a describe/it block that sets up the harness's compiler instance appropriately27         */28        initializeTests(): void {29            // Read in and evaluate the test list30            const testList = this.tests && this.tests.length ? this.tests : this.getTestFiles();3132            // eslint-disable-next-line @typescript-eslint/no-this-alias33            const cls = this;34            describe(`${this.kind()} code samples`, function (this: Mocha.Suite) {35                this.timeout(600_000); // 10 minutes36                for (const test of testList) {37                    cls.runTest(typeof test === "string" ? test : test.file);38                }39            });40        }41        private runTest(directoryName: string) {42            // eslint-disable-next-line @typescript-eslint/no-this-alias43            const cls = this;44            const timeout = 600_000; // 10 minutes45            describe(directoryName, function (this: Mocha.Suite) {46                this.timeout(timeout);47                const cp: typeof import("child_process") = require("child_process");4849                it("should build successfully", () => {50                    let cwd = path.join(IO.getWorkspaceRoot(), cls.testDir, directoryName);51                    const originalCwd = cwd;52                    const stdio = isWorker ? "pipe" : "inherit";53                    let types: string[] | undefined;54                    if (fs.existsSync(path.join(cwd, "test.json"))) {55                        const config = JSON.parse(fs.readFileSync(path.join(cwd, "test.json"), { encoding: "utf8" })) as UserConfig;56                        ts.Debug.assert(!!config.types, "Bad format from test.json: Types field must be present.");57                        ts.Debug.assert(!!config.cloneUrl, "Bad format from test.json: cloneUrl field must be present.");58                        const submoduleDir = path.join(cwd, directoryName);59                        if (!fs.existsSync(submoduleDir)) {60                            exec("git", ["--work-tree", submoduleDir, "clone", "-b", config.branch || "master", config.cloneUrl, path.join(submoduleDir, ".git")], { cwd });61                        }62                        else {63                            exec("git", ["--git-dir", path.join(submoduleDir, ".git"), "--work-tree", submoduleDir, "checkout", config.branch || "master"], { cwd: submoduleDir });64                            exec("git", ["--git-dir", path.join(submoduleDir, ".git"), "--work-tree", submoduleDir, "reset", "HEAD", "--hard"], { cwd: submoduleDir });65                            exec("git", ["--git-dir", path.join(submoduleDir, ".git"), "--work-tree", submoduleDir, "clean", "-f"], { cwd: submoduleDir });66                            exec("git", ["--git-dir", path.join(submoduleDir, ".git"), "--work-tree", submoduleDir, "pull", "-f"], { cwd: submoduleDir });67                        }6869                        types = config.types;7071                        cwd = config.path ? path.join(cwd, config.path) : submoduleDir;72                    }73                    const npmVersionText = exec("npm", ["--version"], { cwd, stdio: "pipe" })?.trim();74                    const npmVersion = npmVersionText ? ts.Version.tryParse(npmVersionText.trim()) : undefined;75                    const isV7OrLater = !!npmVersion && npmVersion.major >= 7;76                    if (fs.existsSync(path.join(cwd, "package.json"))) {77                        if (fs.existsSync(path.join(cwd, "package-lock.json"))) {78                            fs.unlinkSync(path.join(cwd, "package-lock.json"));79                        }80                        if (fs.existsSync(path.join(cwd, "node_modules"))) {81                            del.sync(path.join(cwd, "node_modules"), { force: true });82                        }83                        exec("npm", ["i", "--ignore-scripts", ...(isV7OrLater ? ["--legacy-peer-deps"] : [])], { cwd, timeout: timeout / 2 }); // NPM shouldn't take the entire timeout - if it takes a long time, it should be terminated and we should log the failure84                    }85                    const args = [path.join(IO.getWorkspaceRoot(), "built/local/tsc.js")];86                    if (types) {87                        args.push("--types", types.join(","));88                        // Also actually install those types (for, eg, the js projects which need node)89                        if (types.length) {90                            exec("npm", ["i", ...types.map(t => `@types/${t}`), "--no-save", "--ignore-scripts", ...(isV7OrLater ? ["--legacy-peer-deps"] : [])], { cwd: originalCwd, timeout: timeout / 2 }); // NPM shouldn't take the entire timeout - if it takes a long time, it should be terminated and we should log the failure91                        }92                    }93                    args.push("--noEmit");94                    Baseline.runBaseline(`${cls.kind()}/${directoryName}.log`, cls.report(cp.spawnSync(`node`, args, { cwd, timeout, shell: true }), cwd));9596                    function exec(command: string, args: string[], options: { cwd: string, timeout?: number, stdio?: import("child_process").StdioOptions }): string | undefined {97                        const res = cp.spawnSync(isWorker ? `${command} 2>&1` : command, args, { shell: true, stdio, ...options });98                        if (res.status !== 0) {99                            throw new Error(`${command} ${args.join(" ")} for ${directoryName} failed: ${res.stdout && res.stdout.toString()}`);100                        }101                        return options.stdio === "pipe" ? res.stdout.toString("utf8") : undefined;102                    }103                });104            });105        }106    }107108    export class UserCodeRunner extends ExternalCompileRunnerBase {109        readonly testDir = "tests/cases/user/";110        kind(): TestRunnerKind {111            return "user";112        }113        report(result: ExecResult) {114            // eslint-disable-next-line no-null/no-null115            return result.status === 0 && !result.stdout.length && !result.stderr.length ? null : `Exit Code: ${result.status}116Standard output:117${sortErrors(stripAbsoluteImportPaths(result.stdout.toString().replace(/\r\n/g, "\n")))}118119120Standard error:121${stripAbsoluteImportPaths(result.stderr.toString().replace(/\r\n/g, "\n"))}`;122        }123    }124125    export class DockerfileRunner extends ExternalCompileRunnerBase {126        readonly testDir = "tests/cases/docker/";127        kind(): TestRunnerKind {128            return "docker";129        }130        initializeTests(): void {131            // Read in and evaluate the test list132            const testList = this.tests && this.tests.length ? this.tests : this.getTestFiles();133134            // eslint-disable-next-line @typescript-eslint/no-this-alias135            const cls = this;136            describe(`${this.kind()} code samples`, function (this: Mocha.Suite) {137                this.timeout(cls.timeout); // 20 minutes138                before(() => {139                    cls.exec("docker", ["build", ".", "-t", "typescript/typescript"], { cwd: IO.getWorkspaceRoot() }); // cached because workspace is hashed to determine cacheability140                });141                for (const test of testList) {142                    const directory = typeof test === "string" ? test : test.file;143                    const cwd = path.join(IO.getWorkspaceRoot(), cls.testDir, directory);144                    it(`should build ${directory} successfully`, () => {145                        const imageName = `tstest/${directory}`;146                        cls.exec("docker", ["build", "--no-cache", ".", "-t", imageName], { cwd }); // --no-cache so the latest version of the repos referenced is always fetched147                        const cp: typeof import("child_process") = require("child_process");148                        Baseline.runBaseline(`${cls.kind()}/${directory}.log`, cls.report(cp.spawnSync(`docker`, ["run", imageName], { cwd, timeout: cls.timeout, shell: true })));149                    });150                }151            });152        }153154        private timeout = 1_200_000; // 20 minutes;155        private exec(command: string, args: string[], options: { cwd: string }): void {156            const cp: typeof import("child_process") = require("child_process");157            const stdio = isWorker ? "pipe" : "inherit";158            const res = cp.spawnSync(isWorker ? `${command} 2>&1` : command, args, { timeout: this.timeout, shell: true, stdio, ...options });159            if (res.status !== 0) {160                throw new Error(`${command} ${args.join(" ")} for ${options.cwd} failed: ${res.stdout && res.stdout.toString()}`);161            }162        }163        report(result: ExecResult) {164            // eslint-disable-next-line no-null/no-null165            return result.status === 0 && !result.stdout.length && !result.stderr.length ? null : `Exit Code: ${result.status}166Standard output:167${sanitizeDockerfileOutput(result.stdout.toString())}168169170Standard error:171${sanitizeDockerfileOutput(result.stderr.toString())}`;172        }173    }174175    function sanitizeDockerfileOutput(result: string): string {176        return [177            normalizeNewlines,178            stripANSIEscapes,179            stripRushStageNumbers,180            stripWebpackHash,181            sanitizeVersionSpecifiers,182            sanitizeTimestamps,183            sanitizeSizes,184            sanitizeUnimportantGulpOutput,185            stripAbsoluteImportPaths,186        ].reduce((result, f) => f(result), result);187    }188189    function normalizeNewlines(result: string): string {190        return result.replace(/\r\n/g, "\n");191    }192193    function stripANSIEscapes(result: string): string {194        return result.replace(/\x1b\[[0-9;]*[a-zA-Z]/g, "");195    }196197    function stripRushStageNumbers(result: string): string {198        return result.replace(/\d+ of \d+:/g, "XX of XX:");199    }200201    function stripWebpackHash(result: string): string {202        return result.replace(/Hash: \w+/g, "Hash: [redacted]");203    }204205    function sanitizeSizes(result: string): string {206        return result.replace(/\d+(\.\d+)? ((Ki|M)B|bytes)/g, "X KiB");207    }208209    /**210     * Gulp's output order within a `parallel` block is nondeterministic (and there's no way to configure it to execute in series),211     * so we purge as much of the gulp output as we can212     */213    function sanitizeUnimportantGulpOutput(result: string): string {214        return result.replace(/^.*(\] (Starting)|(Finished)).*$/gm, "") // "gulp" task start/end messages (nondeterministic order)215            .replace(/^.*(\] . (finished)|(started)).*$/gm, "") // "just" task start/end messages (nondeterministic order)216            .replace(/^.*\] Respawned to PID: \d+.*$/gm, "") // PID of child is OS and system-load dependent (likely stableish in a container but still dangerous)217            .replace(/\n+/g, "\n")218            .replace(/\/tmp\/yarn--.*?\/node/g, "");219    }220221    function sanitizeTimestamps(result: string): string {222        return result.replace(/\[\d?\d:\d\d:\d\d (A|P)M\]/g, "[XX:XX:XX XM]")223            .replace(/\[\d?\d:\d\d:\d\d\]/g, "[XX:XX:XX]")224            .replace(/\/\d+-\d+-[\d_TZ]+-debug.log/g, "\/XXXX-XX-XXXXXXXXX-debug.log")225            .replace(/\d+\/\d+\/\d+ \d+:\d+:\d+ (AM|PM)/g, "XX/XX/XX XX:XX:XX XM")226            .replace(/\d+(\.\d+)? sec(onds?)?/g, "? seconds")227            .replace(/\d+(\.\d+)? min(utes?)?/g, "")228            .replace(/\d+(\.\d+)? ?m?s/g, "?s")229            .replace(/ \(\?s\)/g, "");230    }231232    function sanitizeVersionSpecifiers(result: string): string {233        return result234            .replace(/\d+.\d+.\d+-insiders.\d\d\d\d\d\d\d\d/g, "X.X.X-insiders.xxxxxxxx")235            .replace(/Rush Multi-Project Build Tool (\d+)\.\d+\.\d+/g, "Rush Multi-Project Build Tool $1.X.X")236            .replace(/([@v\()])\d+\.\d+\.\d+/g, "$1X.X.X")237            .replace(/webpack (\d+)\.\d+\.\d+/g, "webpack $1.X.X")238            .replace(/Webpack version: (\d+)\.\d+\.\d+/g, "Webpack version: $1.X.X");239    }240241    /**242     * Import types and some other error messages use absolute paths in errors as they have no context to be written relative to;243     * This is problematic for error baselines, so we grep for them and strip them out.244     */245    function stripAbsoluteImportPaths(result: string) {246        const workspaceRegexp = new RegExp(IO.getWorkspaceRoot().replace(/\\/g, "\\\\"), "g");247        return result248            .replace(/import\(".*?\/tests\/cases\/user\//g, `import("/`)249            .replace(/Module '".*?\/tests\/cases\/user\//g, `Module '"/`)250            .replace(workspaceRegexp, "../../..");251    }252253    function sortErrors(result: string) {254        return ts.flatten(splitBy(result.split("\n"), s => /^\S+/.test(s)).sort(compareErrorStrings)).join("\n");255    }256257    const errorRegexp = /^(.+\.[tj]sx?)\((\d+),(\d+)\)(: error TS.*)/;258    function compareErrorStrings(a: string[], b: string[]) {259        ts.Debug.assertGreaterThanOrEqual(a.length, 1);260        ts.Debug.assertGreaterThanOrEqual(b.length, 1);261        const matchA = a[0].match(errorRegexp);262        if (!matchA) {263            return -1;264        }265        const matchB = b[0].match(errorRegexp);266        if (!matchB) {267            return 1;268        }269        const [, errorFileA, lineNumberStringA, columnNumberStringA, remainderA] = matchA;270        const [, errorFileB, lineNumberStringB, columnNumberStringB, remainderB] = matchB;271        return ts.comparePathsCaseSensitive(errorFileA, errorFileB) ||272            ts.compareValues(parseInt(lineNumberStringA), parseInt(lineNumberStringB)) ||273            ts.compareValues(parseInt(columnNumberStringA), parseInt(columnNumberStringB)) ||274            ts.compareStringsCaseSensitive(remainderA, remainderB) ||275            ts.compareStringsCaseSensitive(a.slice(1).join("\n"), b.slice(1).join("\n"));276    }277278    export class DefinitelyTypedRunner extends ExternalCompileRunnerBase {279        readonly testDir = "../DefinitelyTyped/types/";280        workingDirectory = this.testDir;281        kind(): TestRunnerKind {282            return "dt";283        }284        report(result: ExecResult, cwd: string) {285            const stdout = removeExpectedErrors(result.stdout.toString(), cwd);286            const stderr = result.stderr.toString();287288            // eslint-disable-next-line no-null/no-null289            return !stdout.length && !stderr.length ? null : `Exit Code: ${result.status}290Standard output:291${stdout.replace(/\r\n/g, "\n")}292293294Standard error:295${stderr.replace(/\r\n/g, "\n")}`;296        }297    }298299    function removeExpectedErrors(errors: string, cwd: string): string {300        return ts.flatten(splitBy(errors.split("\n"), s => /^\S+/.test(s)).filter(isUnexpectedError(cwd))).join("\n");301    }302    /**303     * Returns true if the line that caused the error contains '$ExpectError',304     * or if the line before that one contains '$ExpectError'.305     * '$ExpectError' is a marker used in Definitely Typed tests,306     * meaning that the error should not contribute toward our error baslines.307     */308    function isUnexpectedError(cwd: string) {309        return (error: string[]) => {310            ts.Debug.assertGreaterThanOrEqual(error.length, 1);311            const match = error[0].match(/(.+\.tsx?)\((\d+),\d+\): error TS/);312            if (!match) {313                return true;314            }315            const [, errorFile, lineNumberString] = match;316            const lines = fs.readFileSync(path.join(cwd, errorFile), { encoding: "utf8" }).split("\n");317            const lineNumber = parseInt(lineNumberString) - 1;318            ts.Debug.assertGreaterThanOrEqual(lineNumber, 0);319            ts.Debug.assertLessThan(lineNumber, lines.length);320            const previousLine = lineNumber - 1 > 0 ? lines[lineNumber - 1] : "";321            return !ts.stringContains(lines[lineNumber], "$ExpectError") && !ts.stringContains(previousLine, "$ExpectError");322        };323    }324    /**325     * Split an array into multiple arrays whenever `isStart` returns true.326     * @example327     * splitBy([1,2,3,4,5,6], isOdd)328     * ==> [[1, 2], [3, 4], [5, 6]]329     * where330     * const isOdd = n => !!(n % 2)331     */332    function splitBy<T>(xs: T[], isStart: (x: T) => boolean): T[][] {333        const result = [];334        let group: T[] = [];335        for (const x of xs) {336            if (isStart(x)) {337                if (group.length) {338                    result.push(group);339                }340                group = [x];341            }342            else {343                group.push(x);344            }345        }346        if (group.length) {347            result.push(group);348        }349        return result;350    }
...

index.js

Source:index.js

1'use strict';2var util = require('util');3var yeoman = require('yeoman-generator');4String.prototype.toTitleCase = function() {5		return this.toString().replace(/\w\S*/g, function(txt) {6				return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();7		});8};9function toTitleCase(str) {10		return str.replace(/\w\S*/g, function(txt) {11				return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();12		});13}14var ModuleGenerator = yeoman.generators.NamedBase.extend({15		init: function() {16				console.log('You called the Module subgenerator with the argument ' + this.name + '.');17		},18		askFor: function() {19				var done = this.async();20				var prompts = [{21						name: 'moduleName',22						message: 'what module is this submodule for?'23				}];24				this.prompt(prompts, function(props) {25						this.moduleName = props.moduleName;26						done();27				}.bind(this));28		},29		files: function() {30				console.log(this.moduleName);31				this.submoduleTitleCaseName = this.name.toTitleCase();32				this.submodulePascalCaseName = this.submoduleTitleCaseName.replace(/\s/g, '');33				this.submoduleLowerCaseName = this.submodulePascalCaseName.toLowerCase();34				this.submoduleUnderscoreCaseName = this.submoduleTitleCaseName.toLowerCase().replace(/\s/g, '_');35				this.moduleTitleCaseName = this.moduleName.toTitleCase();36				this.modulePascalCaseName = this.moduleTitleCaseName.replace(/\s/g, '');37				this.moduleLowerCaseName = this.modulePascalCaseName.toLowerCase();38				this.moduleUnderscoreCaseName = this.moduleTitleCaseName.toLowerCase().replace(/\s/g, '_');39				var submoduleDir = 'app/modules/all/' + this.moduleUnderscoreCaseName + '/' + this.submoduleUnderscoreCaseName; 40				this.mkdir(submoduleDir);41				this.template('_mySubmodule/controller._mySubmodule.js', submoduleDir + '/controller.' + this.submoduleUnderscoreCaseName + '.json');42				this.template('_mySubmodule/module._mySubmodule.js', submoduleDir + '/module.' + this.submoduleUnderscoreCaseName + '.js');43				var viewsDir = submoduleDir + '/views';44				this.mkdir(viewsDir);45				this.template('_mySubmodule/views/layout.view.js', viewsDir + '/controller.' + this.submoduleUnderscoreCaseName + '.json');46				var templatesDir = viewsDir + '/templates';47				this.mkdir(templatesDir);48				this.template('_mySubmodule/views/templates/_mySubmodule.layout.hbs', templatesDir + '/layout.' + this.submoduleUnderscoreCaseName + '.hbs');49		}50});...

generate-submodules.ts

Source:generate-submodules.ts

1import fs from 'fs'2import path from 'path'3type Template = (submodule: string) => string4const templates = {5  index: {6    '.js': (submodule: string) => `module.exports = require('../lib/${submodule}')`,7    '.d.ts': (submodule: string) => `export * from '../lib/${submodule}'`8  },9  pure: {10    '.js': (submodule: string) => `module.exports = require('../lib/${submodule}/pure')`,11    '.d.ts': (submodule: string) => `export * from '../lib/${submodule}/pure'`12  }13}14const submodules = ['dom', 'native', 'server', 'pure']15function cleanDirectory(directory: string) {16  const files = fs.readdirSync(directory)17  files.forEach((file) => fs.unlinkSync(path.join(directory, file)))18}19function makeDirectory(submodule: string) {20  const submoduleDir = path.join(process.cwd(), submodule)21  if (fs.existsSync(submoduleDir)) {22    cleanDirectory(submoduleDir)23  } else {24    fs.mkdirSync(submoduleDir)25  }26  return submoduleDir27}28function requiredFile(submodule: string) {29  return ([name]: [string, unknown]) => {30    return name !== submodule31  }32}33function makeFile(directory: string, submodule: string) {34  return ([name, extensions]: [string, Record<string, Template>]) => {35    Object.entries(extensions).forEach(([extension, template]) => {36      const fileName = `${name}${extension}`37      console.log(`  - ${fileName}`)38      const filePath = path.join(directory, fileName)39      fs.writeFileSync(filePath, template(submodule))40    })41  }42}43function makeFiles(directory: string, submodule: string) {44  Object.entries(templates).filter(requiredFile(submodule)).forEach(makeFile(directory, submodule))45}46function createSubmodule(submodule: string) {47  console.log(`Generating submodule: ${submodule}`)48  const submoduleDir = makeDirectory(submodule)49  makeFiles(submoduleDir, submodule)50}...

Using AI Code Generation

1import { renderHook } from 'test1/node_modules/@testing-library/react-hooks'2import { renderHook } from 'test2/node_modules/@testing-library/react-hooks'3  1. Keep using the submoduleDir method, but change the way I import the renderHook function. I'm not sure how to do this, but I'm guessing it would involve using a custom jest resolver. Does anyone know how to do this?4  2. Use the submoduleDir method, but change the way I import the renderHook function. I'm not sure how to do this, but I'm guessing it would involve using a custom jest resolver. Does anyone know how to do this?5  3. Use the submoduleDir method, but change the way I import the renderHook function. I'm not sure how to do this, but I'm guessing it would involve using a custom jest resolver. Does anyone know how to do this?6  4. Use the submoduleDir method, but change the way I import the renderHook function. I'm not sure how to do this, but I'm guessing it would involve using a custom jest resolver. Does anyone know how to do this?7  5. Use the submoduleDir method, but change the way I import the renderHook function. I'm not sure how to do this, but I'm guessing it would involve using a custom jest resolver. Does anyone know how to do this?8  6. Use the submoduleDir method, but change the way I import the renderHook function. I'm not sure how to do this, but I'm guessing it would involve using a custom jest resolver. Does anyone know how to do this?9  7. Use the submoduleDir method, but change the way I import the renderHook function. I'm not sure how to do this, but I'm guessing it would involve using a custom jest resolver. Does anyone know how to do this?10  8. Use the submoduleDir method, but change the way I import the renderHook function. I'm not sure how to do this, but I'm guessing it would involve using a custom jest resolver. Does anyone know how to do this?11  9. Use the submoduleDir method, but change the way I import the renderHook function. I'm not sure how

Using AI Code Generation

1import { renderHook } from 'submoduleDir/testing-library-react-hooks';2import { render } from 'submoduleDir/testing-library-react';3import { fireEvent } from 'submoduleDir/testing-library-dom';4import { renderHook } from 'submoduleDir/testing-library-react-hooks';5import { render } from 'submoduleDir/testing-library-react';6import { fireEvent } from 'submoduleDir/testing-library-dom';7import { renderHook } from 'submoduleDir/testing-library-react-hooks';8import { render } from 'submoduleDir/testing-library-react';9import { fireEvent } from 'submoduleDir/testing-library-dom';10import { renderHook } from 'submoduleDir/testing-library

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  expect(result.current.count).toBe(0)6  act(() => {7    result.current.increment()8  })9  expect(result.current.count).toBe(1)10})11test('should decrement counter', () => {12  const { result } = renderHook(() => useCounter())13  expect(result.current.count).toBe(0)14  act(() => {15    result.current.decrement()16  })17  expect(result.current.count).toBe(-1)18})19import { useState } from 'react'20const 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}31import { renderHook, act } from '@testing-library/react-hooks'32import useCounter from './useCounter'33test('should increment counter', () => {34  const { result } = renderHook(() => useCounter())35  expect(result.current.count).toBe(0)36  act(() => {37    result.current.increment()38  })39  expect(result.current.count).toBe(1)40})41test('should decrement counter', () => {42  const { result } = renderHook(() => useCounter())43  expect(result.current.count).toBe(0)44  act(() => {45    result.current.decrement()46  })47  expect(result.current.count).toBe(-1)48})49import { renderHook, act } from '@testing-library/react-hooks'50import useCounter from './useCounter'51test('should increment counter', () => {52  const { result } = renderHook(() => useCounter())53  expect(result.current.count).toBe(0)54  act(() => {55    result.current.increment()56  })57  expect(result.current.count).toBe(1)58})59test('should decrement counter', () => {60  const { result } = renderHook(() => useCounter())61  expect(result.current.count).toBe(0)62  act(() => {63    result.current.decrement()64  })

Using AI Code Generation

1import {renderHook} from 'submoduleDir/testing-library-react-hooks'2import {renderHook} from 'testing-library-react-hooks'3import {renderHook} from 'testing-library-react-hooks'4const {result} = renderHook(() => useCounter())5expect(result.current.count).toBe(0)6rerender({initialCount: 3})7expect(result.current.count).toBe(3)8### `renderHook(callback, options?)`

Using AI Code Generation

1import {renderHook} from 'testing-library-react-hooks'2import {submoduleDir} from 'submodule'3test('test1', () => {4  renderHook(() => submoduleDir())5})6import {renderHook} from 'testing-library-react-hooks'7import {submoduleDir} from 'submodule'8test('test2', () => {9  renderHook(() => submoduleDir())10})11import {renderHook} from 'testing-library-react-hooks'12import {submoduleDir} from 'submodule'13test('test3', () => {14  renderHook(() => submoduleDir())15})16import {renderHook} from 'testing-library-react-hooks'17import {submoduleDir} from 'submodule'18test('test4', () => {19  renderHook(() => submoduleDir())20})21import {renderHook} from 'testing-library-react-hooks'22import {submoduleDir} from 'submodule'23test('test5', () => {24  renderHook(() => submoduleDir())25})26import {renderHook} from 'testing-library-react-hooks'27import {submoduleDir} from 'submodule'28test('test6', () => {29  renderHook(() => submoduleDir())30})31import {renderHook} from 'testing-library-react-hooks'32import {submoduleDir} from 'submodule'33test('test7', () => {34  renderHook(() => submoduleDir())35})36import {renderHook} from 'testing-library-react-hooks'37import {submoduleDir} from 'submodule'38test('test8', () => {39  renderHook(() => submoduleDir())40})41import {renderHook} from 'testing-library-react-hooks'42import {submoduleDir} from

Using AI Code Generation

1import {renderHook} from 'submoduleDir/testing-library-react-hooks'2import {renderHook} from 'testing-library-react-hooks'3const useTestHook = () => {4  return 'test';5};6const TestComponent = () => {7  const test = useTestHook();8  return <div>{test}</div>;9};10describe('TestComponent', () => {11  it('should render', () => {12    const { getByText } = render(<TestComponent />);13    expect(getByText('test')).toBeInTheDocument();14  });15});16      When testing, code that causes React state updates should be wrapped into act(...):17      act(() => {18      });19          in TestComponent (created by WrapperComponent)20      at printWarning (node_modules/react-dom/cjs/react-dom.development.js:88:30)21      at error (node_modules/react-dom/cjs/react-dom.development.js:60:5)22      at warnIfNotCurrentlyActingUpdatesInDEV (node_modules/react-dom/cjs/react-dom.development.js:23239:9)23      at dispatchAction (node_modules/react-dom/cjs/react-dom.development.js:16112:5)24      at Object.useReducer (node_modules/react-dom/cjs/react-dom.development.js:16160:20)

Using AI Code Generation

1import { renderHook } from "test-utils";2import { useCounter } from "components/Counter";3test("should increment counter", () => {4  const { result } = renderHook(() => useCounter());5  const { increment } = result.current;6  act(() => increment());7  expect(result.current.count).toBe(1);8});9import { renderHook } from "test-utils";10import { useCounter } from "components/Counter";11test("should increment counter", () => {12  const { result } = renderHook(() => useCounter());13  const { increment } = result.current;14  act(() => increment());15  expect(result.current.count).toBe(1);16});17import { renderHook } from "test-utils";18import { useCounter } from "components/Counter";19test("should increment counter", () => {20  const { result } = renderHook(() => useCounter());21  const { increment } = result.current;22  act(() => increment());23  expect(result.current.count).toBe(1);24});25import { renderHook } from "test-utils";26import { useCounter } from "components/Counter";27test("should increment counter", () => {28  const { result } = renderHook(() => useCounter());29  const { increment } = result.current;30  act(() => increment());31  expect(result.current.count).toBe(1);32});33import { renderHook } from "test-utils";34import { useCounter } from "components/Counter";35test("should increment counter", () => {36  const { result } = renderHook(() => useCounter());37  const { increment } = result.current;38  act(() => increment());39  expect(result.current.count).toBe(1);40});41import { renderHook } from "test-utils";42import { useCounter } from "components/Counter";43test("should

Using AI Code Generation

1import {renderHook} from 'test1/submoduleDir';2import useMyCustomHook from 'test1/submoduleDir/useMyCustomHook';3describe('useMyCustomHook', () => {4  it('should return the correct value', () => {5    const {result} = renderHook(() => useMyCustomHook());6    expect(result.current).toBe('value');7  });8});9import {renderHook as rtlRenderHook} from '@testing-library/react-hooks';10export {rtlRenderHook as renderHook};11import {renderHook} from '@testing-library/react-hooks';12import useMyCustomHook from 'test1/submoduleDir/useMyCustomHook';13describe('useMyCustomHook', () => {14  it('should return the correct value', () => {15    const {result} = renderHook(() => useMyCustomHook());16    expect(result.current).toBe('value');17  });18});19import {useState, useEffect} from 'react';20import moment from 'moment-timezone';21const useTime = (timezone) => {22  const [time, setTime] = useState(moment.tz(timezone).format('h:mm:ss a'));23  useEffect(() => {24    const interval = setInterval(() => {25      setTime(moment.tz(timezone).format('h:mm:ss a'));26    }, 1000);27    return () => clearInterval(interval);28  }, [timezone]);29  return time;30};31export default useTime;32import useTime from './useTime';33const App = () => {

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.