Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use MyError method in unexpected

Best JavaScript code snippet using unexpected

string-pad.js

Source:string-pad.js

1// Copyright 2018 the V8 project authors. All rights reserved.2// Use of this source code is governed by a BSD-style license that can be3// found in the LICENSE file.4class MyError {};5const throwing = {toString() {throw new MyError}};6const empties = ['', {toString() {return ''}}];7{8  const s = '';9  assertThrows(_ => s.padStart(Symbol(), throwing), TypeError);10  assertEquals(s, s.padStart(NaN, throwing));11  assertEquals(s, s.padStart(-Infinity, throwing));12  assertEquals(s, s.padStart(-9, throwing));13  assertEquals(s, s.padStart(-1, throwing));14  assertEquals(s, s.padStart(-0, throwing));15  assertEquals(s, s.padStart(0, throwing));16  assertThrows(_ => s.padStart(3, throwing), MyError);17  assertThrows(_ => s.padStart(9, throwing), MyError);18  assertThrows(_ => s.padStart(2**31-1, throwing), MyError);19  assertThrows(_ => s.padStart(2**31, throwing), MyError);20  assertThrows(_ => s.padStart(2**32-1, throwing), MyError);21  assertThrows(_ => s.padStart(2**32, throwing), MyError);22  assertThrows(_ => s.padStart(2**53-1, throwing), MyError);23  assertThrows(_ => s.padStart(2**53, throwing), MyError);24  assertThrows(_ => s.padStart(Infinity, throwing), MyError);25  assertThrows(_ => s.padEnd(Symbol(), throwing), TypeError);26  assertEquals(s, s.padEnd(NaN, throwing));27  assertEquals(s, s.padEnd(-Infinity, throwing));28  assertEquals(s, s.padEnd(-9, throwing));29  assertEquals(s, s.padEnd(-1, throwing));30  assertEquals(s, s.padEnd(-0, throwing));31  assertEquals(s, s.padEnd(0, throwing));32  assertThrows(_ => s.padEnd(3, throwing), MyError);33  assertThrows(_ => s.padEnd(9, throwing), MyError);34  assertThrows(_ => s.padEnd(2**31-1, throwing), MyError);35  assertThrows(_ => s.padEnd(2**31, throwing), MyError);36  assertThrows(_ => s.padEnd(2**32-1, throwing), MyError);37  assertThrows(_ => s.padEnd(2**32, throwing), MyError);38  assertThrows(_ => s.padEnd(2**53-1, throwing), MyError);39  assertThrows(_ => s.padEnd(2**53, throwing), MyError);40  assertThrows(_ => s.padEnd(Infinity, throwing), MyError);41  for (const empty of empties) {42    assertThrows(_ => s.padStart(Symbol(), empty), TypeError);43    assertEquals(s, s.padStart(NaN, empty));44    assertEquals(s, s.padStart(-Infinity, empty));45    assertEquals(s, s.padStart(-9, empty));46    assertEquals(s, s.padStart(-1, empty));47    assertEquals(s, s.padStart(-0, empty));48    assertEquals(s, s.padStart(0, empty));49    assertEquals(s, s.padStart(3, empty));50    assertEquals(s, s.padStart(9, empty));51    assertEquals(s, s.padStart(2**31-1, empty));52    assertEquals(s, s.padStart(2**31, empty));53    assertEquals(s, s.padStart(2**32-1, empty));54    assertEquals(s, s.padStart(2**32, empty));55    assertEquals(s, s.padStart(2**53-1, empty));56    assertEquals(s, s.padStart(2**53, empty));57    assertEquals(s, s.padStart(Infinity, empty));58    assertThrows(_ => s.padEnd(Symbol(), empty), TypeError);59    assertEquals(s, s.padEnd(NaN, empty));60    assertEquals(s, s.padEnd(-Infinity, empty));61    assertEquals(s, s.padEnd(-9, empty));62    assertEquals(s, s.padEnd(-1, empty));63    assertEquals(s, s.padEnd(-0, empty));64    assertEquals(s, s.padEnd(0, empty));65    assertEquals(s, s.padEnd(3, empty));66    assertEquals(s, s.padEnd(9, empty));67    assertEquals(s, s.padEnd(2**31-1, empty));68    assertEquals(s, s.padEnd(2**31, empty));69    assertEquals(s, s.padEnd(2**32-1, empty));70    assertEquals(s, s.padEnd(2**32, empty));71    assertEquals(s, s.padEnd(2**53-1, empty));72    assertEquals(s, s.padEnd(2**53, empty));73    assertEquals(s, s.padEnd(Infinity, empty));74  }75}76{77  const s = 'hello';78  assertThrows(_ => s.padStart(Symbol(), throwing), TypeError);79  assertEquals(s, s.padStart(NaN, throwing));80  assertEquals(s, s.padStart(-Infinity, throwing));81  assertEquals(s, s.padStart(-9, throwing));82  assertEquals(s, s.padStart(-1, throwing));83  assertEquals(s, s.padStart(-0, throwing));84  assertEquals(s, s.padStart(0, throwing));85  assertEquals(s, s.padStart(3, throwing));86  assertThrows(_ => s.padStart(9, throwing), MyError);87  assertThrows(_ => s.padStart(2**31-1, throwing), MyError);88  assertThrows(_ => s.padStart(2**31, throwing), MyError);89  assertThrows(_ => s.padStart(2**32-1, throwing), MyError);90  assertThrows(_ => s.padStart(2**32, throwing), MyError);91  assertThrows(_ => s.padStart(2**53-1, throwing), MyError);92  assertThrows(_ => s.padStart(2**53, throwing), MyError);93  assertThrows(_ => s.padStart(Infinity, throwing), MyError);94  assertThrows(_ => s.padEnd(Symbol(), throwing), TypeError);95  assertEquals(s, s.padEnd(NaN, throwing));96  assertEquals(s, s.padEnd(-Infinity, throwing));97  assertEquals(s, s.padEnd(-9, throwing));98  assertEquals(s, s.padEnd(-1, throwing));99  assertEquals(s, s.padEnd(-0, throwing));100  assertEquals(s, s.padEnd(0, throwing));101  assertEquals(s, s.padEnd(3, throwing));102  assertThrows(_ => s.padEnd(9, throwing), MyError);103  assertThrows(_ => s.padEnd(2**31-1, throwing), MyError);104  assertThrows(_ => s.padEnd(2**31, throwing), MyError);105  assertThrows(_ => s.padEnd(2**32-1, throwing), MyError);106  assertThrows(_ => s.padEnd(2**32, throwing), MyError);107  assertThrows(_ => s.padEnd(2**53-1, throwing), MyError);108  assertThrows(_ => s.padEnd(2**53, throwing), MyError);109  assertThrows(_ => s.padEnd(Infinity, throwing), MyError);110  for (const empty of empties) {111    assertThrows(_ => s.padStart(Symbol(), empty), TypeError);112    assertEquals(s, s.padStart(NaN, empty));113    assertEquals(s, s.padStart(-Infinity, empty));114    assertEquals(s, s.padStart(-9, empty));115    assertEquals(s, s.padStart(-1, empty));116    assertEquals(s, s.padStart(-0, empty));117    assertEquals(s, s.padStart(0, empty));118    assertEquals(s, s.padStart(3, empty));119    assertEquals(s, s.padStart(9, empty));120    assertEquals(s, s.padStart(2**31-1, empty));121    assertEquals(s, s.padStart(2**31, empty));122    assertEquals(s, s.padStart(2**32-1, empty));123    assertEquals(s, s.padStart(2**32, empty));124    assertEquals(s, s.padStart(2**53-1, empty));125    assertEquals(s, s.padStart(2**53, empty));126    assertEquals(s, s.padStart(Infinity, empty));127    assertThrows(_ => s.padEnd(Symbol(), empty), TypeError);128    assertEquals(s, s.padEnd(NaN, empty));129    assertEquals(s, s.padEnd(-Infinity, empty));130    assertEquals(s, s.padEnd(-9, empty));131    assertEquals(s, s.padEnd(-1, empty));132    assertEquals(s, s.padEnd(-0, empty));133    assertEquals(s, s.padEnd(0, empty));134    assertEquals(s, s.padEnd(3, empty));135    assertEquals(s, s.padEnd(9, empty));136    assertEquals(s, s.padEnd(2**31-1, empty));137    assertEquals(s, s.padEnd(2**31, empty));138    assertEquals(s, s.padEnd(2**32-1, empty));139    assertEquals(s, s.padEnd(2**32, empty));140    assertEquals(s, s.padEnd(2**53-1, empty));141    assertEquals(s, s.padEnd(2**53, empty));142    assertEquals(s, s.padEnd(Infinity, empty));143  }...

minErrSpec.js

Source:minErrSpec.js

1'use strict';2describe('minErr', function () {3  var supportStackTraces = function() {4    var e = new Error();5    return isDefined(e.stack);6  };7  var emptyTestError = minErr(),8    testError = minErr('test');9  it('should return an Error factory', function() {10    var myError = testError('test', 'Oops');11    expect(myError instanceof Error).toBe(true);12  });13  it('should generate stack trace at the frame where the minErr instance was called', function() {14    var myError;15    function someFn() {16      function nestedFn() {17        myError = testError('fail', "I fail!");18      }19      nestedFn();20    }21    someFn();22    // only Chrome, Firefox have stack23    if (!supportStackTraces()) return;24    expect(myError.stack).toMatch(/^[.\s\S]+nestedFn[.\s\S]+someFn.+/);25  });26  it('should interpolate string arguments without quotes', function() {27    var myError = testError('1', 'This {0} is "{1}"', 'foo', 'bar');28    expect(myError.message).toMatch(/^\[test:1\] This foo is "bar"/);29  });30  it('should interpolate non-string arguments', function() {31    var arr = [1, 2, 3],32        obj = {a: 123, b: 'baar'},33        anonFn = function(something) { return something; },34        namedFn = function foo(something) { return something; },35        myError;36    myError = testError('26', 'arr: {0}; obj: {1}; anonFn: {2}; namedFn: {3}',37                               arr,      obj,      anonFn,      namedFn);38    expect(myError.message).toContain('[test:26] arr: [1,2,3]; obj: {"a":123,"b":"baar"};');39    // IE does not add space after "function"40    expect(myError.message).toMatch(/anonFn: function\s?\(something\);/);41    expect(myError.message).toContain('namedFn: function foo(something)');42  });43  it('should not suppress falsy objects', function() {44    var myError = testError('26', 'false: {0}; zero: {1}; null: {2}; undefined: {3}; emptyStr: {4}',45                                   false,      0,         null,      undefined,      '');46    expect(myError.message).47        toMatch(/^\[test:26\] false: false; zero: 0; null: null; undefined: undefined; emptyStr: /);48  });49  it('should preserve interpolation markers when fewer arguments than needed are provided', function() {50    // this way we can easily see if we are passing fewer args than needed51    var foo = 'Fooooo',52        myError = testError('26', 'This {0} is {1} on {2}', foo);53    expect(myError.message).toMatch(/^\[test:26\] This Fooooo is \{1\} on \{2\}/);54  });55  it('should pass through the message if no interpolation is needed', function() {56    var myError = testError('26', 'Something horrible happened!');57    expect(myError.message).toMatch(/^\[test:26\] Something horrible happened!/);58  });59  it('should include a namespace in the message only if it is namespaced', function () {60    var myError = emptyTestError('26', 'This is a {0}', 'Foo');61    var myNamespacedError = testError('26', 'That is a {0}', 'Bar');62    expect(myError.message).toMatch(/^\[26\] This is a Foo/);63    expect(myNamespacedError.message).toMatch(/^\[test:26\] That is a Bar/);64  });...

Using AI Code Generation

1var unexpected = require('unexpected');2var MyError = unexpected.clone().MyError;3var chai = require('chai');4var MyError = chai.AssertionError;5var assert = require('assert');6var MyError = assert.AssertionError;7var MyError = Error;8var chai = require('chai');9var chaiAsPromised = require('chai-as-promised');10chai.use(chaiAsPromised);11var MyError = chaiAsPromised.AssertionError;12var chai = require('chai');13var chaiAsPromised = require('chai-as-promised');14var chaiSubset = require('chai-subset');15chai.use(chaiAsPromised);16chai.use(chaiSubset);17var MyError = chaiSubset.AssertionError;18var chai = require('chai');19var chaiAsPromised = require('chai-as-promised');20var chaiSubset = require('chai-subset');21var chaiThings = require('chai-things');22chai.use(chaiAsPromised);23chai.use(chaiSubset);24chai.use(chaiThings);25var MyError = chaiThings.AssertionError;26var chai = require('chai');27var chaiAsPromised = require('chai-as-promised');28var chaiSubset = require('chai-subset');29var chaiThings = require('chai-things');30var chaiLike = require('chai-like');31chai.use(chaiAsPromised);32chai.use(chaiSubset);33chai.use(chaiThings);34chai.use(chaiLike);35var MyError = chaiLike.AssertionError;36var chai = require('chai');37var chaiAsPromised = require('chai-as-promised');38var chaiSubset = require('chai-subset');39var chaiThings = require('chai-things');40var chaiLike = require('chai-like');41var chaiJsonEqual = require('chai-json-equal');42chai.use(chaiAsPromised);43chai.use(chaiSubset);44chai.use(chaiThings);45chai.use(chaiLike);46chai.use(ch

Using AI Code Generation

1var unexpected = require('unexpected');2var MyError = unexpected.createError('MyError', {3  constructor: function (message, extra) {4    this.message = message;5    this.extra = extra;6  },7  inspect: function (depth, output) {8    output.text(this.message);9  }10});11var expect = unexpected.clone().installPlugin(function (expect) {12  expect.addAssertion('<MyError> [not] to have message <string>', function (expect, subject, value) {13    expect(subject.message, '[not] to equal', value);14  });15});16expect(new MyError('foo', 'bar'), 'to have message', 'foo');17var chai = require('chai');18var expect = chai.expect;19var unexpected = require('unexpected');20var MyError = unexpected.createError('MyError', {21  constructor: function (message, extra) {22    this.message = message;23    this.extra = extra;24  },25  inspect: function (depth, output) {26    output.text(this.message);27  }28});29var expect = unexpected.clone().installPlugin(function (expect) {30  expect.addAssertion('<MyError> [not] to have message <string>', function (expect, subject, value) {31    expect(subject.message, '[not] to equal', value);32  });33});34describe('MyError', function() {35  it('should have message', function() {36    expect(new MyError('foo', 'bar'), 'to have message', 'foo');37  });38});39var chai = require('chai');40var expect = chai.expect;41var unexpected = require('unexpected');42var MyError = unexpected.createError('MyError', {43  constructor: function (message, extra) {44    this.message = message;45    this.extra = extra;46  },47  inspect: function (depth, output) {48    output.text(this.message);49  }50});

Using AI Code Generation

1var unexpected = require('unexpected');2var MyError = unexpected.createError('MyError');3unexpected.output.preferredWidth = 80;4var expect = unexpected.clone().installPlugin(require('unexpected-mitm'));5expect.errorMode = 'nested';6expect.addAssertion('<string> to be foo', function (expect, subject) {7    expect(subject, 'to equal', 'foo');8});9expect.addAssertion('<string> to be bar', function (expect, subject) {10    expect(subject, 'to equal', 'bar');11});12expect.addAssertion('<string> to be baz', function (expect, subject) {13    expect(subject, 'to equal', 'baz');14});15expect.addAssertion('<string> to be qux', function (expect, subject) {16    expect(subject, 'to equal', 'qux');17});18expect.addAssertion('<string> to be quux', function (expect, subject) {19    expect(subject, 'to equal', 'quux');20});21expect.addAssertion('<string> to be corge', function (expect, subject) {22    expect(subject, 'to equal', 'corge');23});24expect.addAssertion('<string> to be grault', function (expect, subject) {25    expect(subject, 'to equal', 'grault');26});27expect.addAssertion('<string> to be garply', function (expect, subject) {28    expect(subject, 'to equal', 'garply');29});30expect.addAssertion('<string> to be waldo', function (expect, subject) {31    expect(subject, 'to equal', 'waldo');32});33expect.addAssertion('<string> to be fred', function (expect, subject) {34    expect(subject, 'to equal', 'fred');35});36expect.addAssertion('<string> to be plugh', function (expect, subject) {37    expect(subject, 'to equal', 'plugh');38});39expect.addAssertion('<string> to be xyzzy', function (expect, subject) {40    expect(subject, 'to equal', 'xyzzy');41});42expect.addAssertion('<string> to be thud', function (expect, subject) {43    expect(subject, 'to equal', 'thud');44});45expect.addAssertion('<string> to be foo', function (expect, subject) {46    expect(subject, 'to equal', 'foo');47});48expect.addAssertion('<string> to be bar', function (expect, subject) {49    expect(subject, 'to equal', '

Using AI Code Generation

1const unexpected = require('unexpected');2const MyError = require('../src/MyError');3const expect = unexpected.clone().use(MyError);4describe('test', () => {5  it('should throw MyError', () => {6    expect(7      () => {8        throw new MyError('my error');9      },10    );11  });12});

Using AI Code Generation

1const expect = require('unexpected')2  .clone()3  .use(require('unexpected-sinon'));4const sinon = require('sinon');5const { MyError } = require('../src/myError');6describe('Test MyError', () => {7  it('should throw MyError', () => {8    expect(() => {9      throw new MyError('MyError');10    }, 'to throw', new MyError('MyError'));11  });12  it('should throw MyError with sinon', () => {13    const stub = sinon.stub().throws(new MyError('MyError'));14    expect(stub, 'to throw', new MyError('MyError'));15  });16});

Using AI Code Generation

1var Unexpected = require('unexpected');2var unexpected = Unexpected.clone();3var MyError = unexpected.errorMode('MyError', {4    inspect: function (output, value) {5        output.text('MyError: ' + value.message);6    }7});8var err = new MyError('my error');9console.log(unexpected.output(err, 'text'));10console.log(unexpected.output(err, 'ansi'));11console.log(unexpected.output(err, 'html'));12var Unexpected = require('unexpected');13var unexpected = Unexpected.clone();14var MyError = unexpected.errorMode('MyError', {15    inspect: function (output, value) {16        output.text('MyError: ' + value.message);17    }18});19var err = new MyError('my error');20console.log(unexpected.output(err, 'text'));21console.log(unexpected.output(err, 'ansi'));22console.log(unexpected.output(err, 'html'));

Using AI Code Generation

1const unexpected = require('unexpected');2const unexpectedMyError = require('unexpected-my-error');3unexpected.use(unexpectedMyError);4const MyError = unexpectedMyError.MyError;5describe('My Error', () => {6    it('should throw MyError', () => {7        expect(() => {8            throw new MyError('My Error');9        }, 'to throw', MyError);10    });11    it('should not throw MyError', () => {12        expect(() => {13            throw new MyError('My Error');14        }, 'not to throw', MyError);15    });16    it('should throw MyError with message', () => {17        expect(() => {18            throw new MyError('My Error');19        }, 'to throw', new MyError('My Error'));20    });21    it('should not throw MyError with message', () => {22        expect(() => {23            throw new MyError('My Error');24        }, 'not to throw', new MyError('My Error'));25    });26    it('should throw MyError with message and code', () => {27        expect(() => {28            throw new MyError('My Error', 500);29        }, 'to throw', new MyError('My Error', 500));30    });31    it('should not throw MyError with message and code', () => {32        expect(() => {33            throw new MyError('My Error', 500);34        }, 'not to throw', new MyError('My Error', 500));35    });36    it('should throw MyError with message, code and data', () => {37        expect(() => {38            throw new MyError('My Error', 500, {foo: 'bar'});39        }, 'to throw', new MyError('My Error', 500, {foo: 'bar'}));40    });41    it('should not throw MyError with message, code and data', () => {42        expect(() => {43            throw new MyError('My Error', 500, {foo: 'bar'});44        }, 'not to throw', new MyError('My Error', 500, {foo: 'bar'}));45    });46    it('should throw MyError with message, code, data and stack', () => {47        expect(() => {48            throw new MyError('My Error', 500, {foo: 'bar'}, 'stack');49        }, 'to throw',

Using AI Code Generation

1const unexpected = require('unexpected');2const MyError = unexpected.clone().installPlugin(require('unexpected-myerror'));3function MyErrorTest() {4  const err = new Error('Test Error');5  err.code = 'E_TEST';6  throw err;7}8MyErrorTest();9    at MyErrorTest (test.js:11:11)10    at Object.<anonymous> (test.js:16:1)11    at Module._compile (module.js:653:30)12    at Object.Module._extensions..js (module.js:664:10)13    at Module.load (module.js:566:32)14    at tryModuleLoad (module.js:506:12)15    at Function.Module._load (module.js:498:3)16    at Function.Module.runMain (module.js:694:10)17    at startup (bootstrap_node.js:204:16)

Using AI Code Generation

1const expect = require('unexpected')2  .clone()3  .use(require('unexpected-sinon'));4const sinon = require('sinon');5const myObject = {6  myMethod: () => {}7};8const spy = sinon.spy(myObject, 'myMethod');9expect(spy, 'was called once');10const myObject = {11  myMethod: () => {}12};13const spy = sinon.spy(myObject, 'myMethod');14expect(spy, 'was called with', 'foo');15const myObject = {16  myMethod: () => {}17};18const spy = sinon.spy(myObject, 'myMethod');19expect(spy, 'was called with', 'foo', expect.it('to be a function'));20const myObject = {21  myMethod: () => {}22};23const spy = sinon.spy(myObject, 'myMethod');24expect(spy, 'was called with', expect.it('to be a function'), 'foo');25const myObject = {26  myMethod: () => {}27};28const spy = sinon.spy(myObject, 'myMethod');29expect(spy, 'was called with', 'foo', expect.it('to be a function'));30const myObject = {31  myMethod: () => {}32};33const spy = sinon.spy(myObject, 'myMethod');34expect(spy, 'was called with', expect.it('to be a function'), 'foo');35const myObject = {36  myMethod: () => {}37};38const spy = sinon.spy(myObject, 'myMethod');39expect(spy, 'was called with', 'foo', expect.it('to be a function'));40const myObject = {41  myMethod: () => {}42};43const spy = sinon.spy(my

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.