Best JavaScript code snippet using unexpected
test.js
Source:test.js  
...872      this.p = 0;873    } while (false);874  }875}876function somethingThatThrows(): void { throw "the football"; }877class P24 {878  p: number;879  constructor() {880    try {881      this.p = 0;882      somethingThatThrows();883    } catch (err) {884      this.p = 0;885    }886  }887}888class P25 {889  p: number;890  constructor() {891    try {892      somethingThatThrows();893    } catch (err) {894      // do some stuff to handle the error895    } finally {896      this.p = 0;897    }898  }899}900class P26 {901  p1: number;902  p2: number;903  constructor() {904    const a = (this.p1 = 0),905          b = (this.p2 = this.p1);906  }...Using AI Code Generation
1var unexpected = require('unexpected');2var expect = unexpected.clone();3expect.output.preferredWidth = 80;4expect.addAssertion('<any> to be a number', function (expect, subject) {5    return expect(subject, 'to be a', Number);6});7expect.addAssertion('<any> to be a string', function (expect, subject) {8    return expect(subject, 'to be a', String);9});10expect.addAssertion('<any> to be a boolean', function (expect, subject) {11    return expect(subject, 'to be a', Boolean);12});13expect.addAssertion('<any> to be a function', function (expect, subject) {14    return expect(subject, 'to be a', Function);15});16expect.addAssertion('<any> to be a date', function (expect, subject) {17    return expect(subject, 'to be a', Date);18});19expect.addAssertion('<any> to be a regexp', function (expect, subject) {20    return expect(subject, 'to be a', RegExp);21});22expect.addAssertion('<any> to be a promise', function (expect, subject) {23    return expect(subject, 'to be a', Promise);24});25expect.addAssertion('<any> to be a buffer', function (expect, subject) {26    return expect(subject, 'to be a', Buffer);27});28expect.addAssertion('<any> to be a typed array', function (expect, subject) {29    return expect(subject, 'to be a', ArrayBuffer);30});31expect.addAssertion('<any> to be an error', function (expect, subject) {32    return expect(subject, 'to be a', Error);33});34expect.addAssertion('<any> to be an array', function (expect, subject) {35    return expect(subject, 'to be an', Array);36});37expect.addAssertion('<any> to be an object', function (expect, subject) {38    return expect(subject, 'to be an', Object);39});40expect.addAssertion('<any> to be a map', function (expect, subject) {41    return expect(subject, 'to be a', Map);42});43expect.addAssertion('<any> to be a set', function (expect, subject) {44    return expect(subject, 'to be a', Set);45});46expect.addAssertion('<any> to be a weakmap', function (expect, subject) {47    return expect(subject, 'to be a', WeakMap);48});49expect.addAssertion('<any> toUsing AI Code Generation
1var unexpected = require('unexpected');2var expect = unexpected.clone();3var somethingThatThrows = function () {4    throw new Error('somethingThatThrows');5};6expect(somethingThatThrows, 'to throw', 'somethingThatThrows');7var unexpected = require('unexpected');8var expect = unexpected.clone();9var somethingThatThrows = function () {10    throw new Error('somethingThatThrows');11};12expect(somethingThatThrows, 'to throw', 'somethingThatThrows');13module.exports = unexpected;14var unexpected = require('./unexpected');15var expect = unexpected.clone();16var somethingThatThrows = function () {17    throw new Error('somethingThatThrows');18};19expect(somethingThatThrows, 'to throw', 'somethingThatThrows');Using AI Code Generation
1const somethingThatThrows = require('./unexpectedError');2somethingThatThrows();3module.exports = function somethingThatThrows() {4    throw new Error('Unexpected Error');5};6{7  "scripts": {8  },9}Using AI Code Generation
1const expect = require('unexpected').clone();2const fs = require('fs');3const path = require('path');4const {promisify} = require('util');5const readFile = promisify(fs.readFile);6const glob = promisify(require('glob'));7const {JSDOM} = require('jsdom');8const unexpectedReact = require('unexpected-react');9const unexpectedSinon = require('unexpected-sinon');10  .use(unexpectedReact)11  .use(unexpectedSinon);12const {render, shallow} = require('../src/index');13const testDir = path.join(__dirname, 'test');14const snapshotDir = path.join(__dirname, 'snapshots');15const snapshotExtension = '.snap';16const snapshotExists = async (testFile) => {17  try {18    await readFile(getSnapshotPath(testFile));19    return true;20  } catch (e) {21    return false;22  }23};24const updateSnapshot = async (testFile, snapshot) => {25  await promisify(fs.writeFile)(getSnapshotPath(testFile), snapshot);26};27const getSnapshotPath = (testFile) => {28  return path.join(snapshotDir, path.basename(testFile, '.js') + snapshotExtension);29};30const getSnapshot = async (testFile) => {31  return readFile(getSnapshotPath(testFile), 'utf8');32};33const createSnapshot = (testFile, snapshot) => {34    .createOutput('text')35    .block(() => snapshot)36    .toString();37};38const getTestFiles = async () => {39  return glob(path.join(testDir, '**/*.js'));40};41const getTestName = (testFile) => {42  return path.relative(testDir, testFile);43};44const getSnapshotName = (testFile) => {45  return path.relative(snapshotDir, getSnapshotPath(testFile));46};47const getSnapshotDiff = (testFile, snapshot) => {48    .createOutput('diff')49    .block(() => snapshot)50    .toString();51};52const getSnapshotError = (testFile, snapshot) => {53    .createOutput('text')54    .block(() => snapshot)55    .toString();56};57const getSnapshotDiffError = (testFile, snapshotDiff) => {58    .createOutput('text')59    .block(() => snapshotDiff)60    .toString();61};62const getTestError = (testFile,Using AI Code Generation
1var unexpectedError = require('unexpected-error');2try{3    unexpectedError.somethingThatThrows();4} catch (err){5    console.log(err.message);6}7## The Error Object's toString() method8## The Error Object's toJSON() method9## The Error Object's inspect() method10## The Error Object's setStackTrace() method11## The Error Object's setStackTraceFromError() method12The MIT License (MIT)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.
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