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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

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