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

Copied to Clipboard!

How to use badOverwrittenPropertyAssertion method in chai

Best JavaScript code snippet using chai

configuration.js

Source:configuration.js

...57      // Functions that always throw an error58      function badPropertyAssertion() {59        expect(42).to.be.false;60      }61      function badOverwrittenPropertyAssertion() {62        expect(42).tmpProperty;63      }64      function badMethodAssertion() {65        expect(42).to.equal(false);66      }67      function badOverwrittenMethodAssertion() {68        expect(42).tmpMethod();69      }70      function badChainableMethodAssertion() {71        expect(42).to.be.a('string');72      }73      function badOverwrittenChainableMethodAssertion() {74        expect(42).tmpChainableMethod();75      }76      describe('when true', function () {77        describe('failed property assertions', function () {78          var caughtErr = '__PRETEST__';79          before(function () {80            chai.config.includeStack = true;81            try {82              badPropertyAssertion();83            } catch (err) {84              caughtErr = err;85            }86          });87          it('should include Chai frames in stack trace', function () {88            expect(caughtErr.stack).to.contain('propertyGetter');89            if (typeof Proxy !== 'undefined' && typeof Reflect !== 'undefined') {90              expect(caughtErr.stack).to.contain('proxyGetter');91            }92          });93          it('should include user frames in stack trace', function () {94            expect(caughtErr.stack).to.contain('badPropertyAssertion');95          });96        });97        describe('failed overwritten property assertions', function () {98          var caughtErr = '__PRETEST__';99          before(function () {100            chai.config.includeStack = true;101            try {102              badOverwrittenPropertyAssertion();103            } catch (err) {104              caughtErr = err;105            }106          });107          it('should include Chai frames in stack trace', function () {108            expect(caughtErr.stack).to.contain('overwritingPropertyGetter');109            if (typeof Proxy !== 'undefined' && typeof Reflect !== 'undefined') {110              expect(caughtErr.stack).to.contain('proxyGetter');111            }112          });113          it('should include user frames in stack trace', function () {114            expect(caughtErr.stack).to.contain('badOverwrittenPropertyAssertion');115          });116        });117        describe('failed method assertions', function () {118          var caughtErr = '__PRETEST__';119          before(function () {120            chai.config.includeStack = true;121            try {122              badMethodAssertion();123            } catch (err) {124              caughtErr = err;125            }126          });127          it('should include Chai frames in stack trace', function () {128            expect(caughtErr.stack).to.contain('methodWrapper');129          });130          it('should include user frames in stack trace', function () {131            expect(caughtErr.stack).to.contain('badMethodAssertion');132          });133        });134        describe('failed overwritten method assertions', function () {135          var caughtErr = '__PRETEST__';136          before(function () {137            chai.config.includeStack = true;138            try {139              badOverwrittenMethodAssertion();140            } catch (err) {141              caughtErr = err;142            }143          });144          it('should include Chai frames in stack trace', function () {145            expect(caughtErr.stack).to.contain('overwritingMethodWrapper');146          });147          it('should include user frames in stack trace', function () {148            expect(caughtErr.stack).to.contain('badOverwrittenMethodAssertion');149          });150        });151        describe('failed chainable method assertions', function () {152          var caughtErr = '__PRETEST__';153          before(function () {154            chai.config.includeStack = true;155            try {156              badChainableMethodAssertion();157            } catch (err) {158              caughtErr = err;159            }160          });161          it('should include Chai frames in stack trace', function () {162            expect(caughtErr.stack).to.contain('chainableMethodWrapper');163          });164          it('should include user frames in stack trace', function () {165            expect(caughtErr.stack).to.contain('badChainableMethodAssertion');166          });167        });168        describe('failed overwritten chainable method assertions', function () {169          var caughtErr = '__PRETEST__';170          before(function () {171            chai.config.includeStack = true;172            try {173              badOverwrittenChainableMethodAssertion();174            } catch (err) {175              caughtErr = err;176            }177          });178          it('should include Chai frames in stack trace', function () {179            expect(caughtErr.stack).to.contain('overwritingChainableMethodWrapper');180          });181          it('should include user frames in stack trace', function () {182            expect(caughtErr.stack).to.contain('badOverwrittenChainableMethodAssertion');183          });184        });185      });186      describe('when false', function () {187        describe('failed property assertions', function () {188          var caughtErr = '__PRETEST__';189          before(function () {190            chai.config.includeStack = false;191            try {192              badPropertyAssertion();193            } catch (err) {194              caughtErr = err;195            }196          });197          it('should not include Chai frames in stack trace', function () {198            expect(caughtErr.stack).to.not.contain('propertyGetter');199            if (typeof Proxy !== 'undefined' && typeof Reflect !== 'undefined') {200              expect(caughtErr.stack).to.not.contain('proxyGetter');201            }202          });203          it('should include user frames in stack trace', function () {204            expect(caughtErr.stack).to.contain('badPropertyAssertion');205          });206        });207        describe('failed overwritten property assertions', function () {208          var caughtErr = '__PRETEST__';209          before(function () {210            chai.config.includeStack = false;211            try {212              badOverwrittenPropertyAssertion();213            } catch (err) {214              caughtErr = err;215            }216          });217          it('should not include Chai frames in stack trace', function () {218            expect(caughtErr.stack).to.not.contain('overwritingPropertyGetter');219            if (typeof Proxy !== 'undefined' && typeof Reflect !== 'undefined') {220              expect(caughtErr.stack).to.not.contain('proxyGetter');221            }222          });223          it('should include user frames in stack trace', function () {224            expect(caughtErr.stack).to.contain('badOverwrittenPropertyAssertion');225          });226        });227        describe('failed method assertions', function () {228          var caughtErr = '__PRETEST__';229          before(function () {230            chai.config.includeStack = false;231            try {232              badMethodAssertion();233            } catch (err) {234              caughtErr = err;235            }236          });237          it('should not include Chai frames in stack trace', function () {238            expect(caughtErr.stack).to.not.contain('methodWrapper');239          });240          it('should include user frames in stack trace', function () {241            expect(caughtErr.stack).to.contain('badMethodAssertion');242          });243        });244        describe('failed overwritten method assertions', function () {245          var caughtErr = '__PRETEST__';246          before(function () {247            chai.config.includeStack = false;248            try {249              badOverwrittenMethodAssertion();250            } catch (err) {251              caughtErr = err;252            }253          });254          it('should not include Chai frames in stack trace', function () {255            expect(caughtErr.stack).to.not.contain('overwritingMethodWrapper');256          });257          it('should include user frames in stack trace', function () {258            expect(caughtErr.stack).to.contain('badOverwrittenMethodAssertion');259          });260        });261        describe('failed chainable method assertions', function () {262          var caughtErr = '__PRETEST__';263          before(function () {264            chai.config.includeStack = false;265            try {266              badChainableMethodAssertion();267            } catch (err) {268              caughtErr = err;269            }270          });271          it('should not include Chai frames in stack trace', function () {272            expect(caughtErr.stack).to.not.contain('chainableMethodWrapper');273          });274          it('should include user frames in stack trace', function () {275            expect(caughtErr.stack).to.contain('badChainableMethodAssertion');276          });277        });278        describe('failed overwritten chainable method assertions', function () {279          var caughtErr = '__PRETEST__';280          before(function () {281            chai.config.includeStack = false;282            try {283              badOverwrittenChainableMethodAssertion();284            } catch (err) {285              caughtErr = err;286            }287          });288          it('should not include Chai frames in stack trace', function () {289            expect(caughtErr.stack).to.not.contain('overwritingChainableMethodWrapper');290          });291          it('should include user frames in stack trace', function () {292            expect(caughtErr.stack).to.contain('badOverwrittenChainableMethodAssertion');293          });294        });295      });296    });297    describe('should interface', function () {298      // Functions that always throw an error299      function badPropertyAssertion() {300        (42).should.be.false;301      }302      function badOverwrittenPropertyAssertion() {303        (42).should.tmpProperty;304      }305      function badMethodAssertion() {306        (42).should.equal(false);307      }308      function badOverwrittenMethodAssertion() {309        (42).should.tmpMethod();310      }311      function badChainableMethodAssertion() {312        (42).should.be.a('string');313      }314      function badOverwrittenChainableMethodAssertion() {315        (42).should.tmpChainableMethod();316      }317      describe('when true', function () {318        describe('failed property assertions', function () {319          var caughtErr = '__PRETEST__';320          before(function () {321            chai.config.includeStack = true;322            try {323              badPropertyAssertion();324            } catch (err) {325              caughtErr = err;326            }327          });328          it('should include Chai frames in stack trace', function () {329            expect(caughtErr.stack).to.contain('propertyGetter');330            if (typeof Proxy !== 'undefined' && typeof Reflect !== 'undefined') {331              expect(caughtErr.stack).to.contain('proxyGetter');332            }333          });334          it('should include user frames in stack trace', function () {335            expect(caughtErr.stack).to.contain('badPropertyAssertion');336          });337        });338        describe('failed overwritten property assertions', function () {339          var caughtErr = '__PRETEST__';340          before(function () {341            chai.config.includeStack = true;342            try {343              badOverwrittenPropertyAssertion();344            } catch (err) {345              caughtErr = err;346            }347          });348          it('should include Chai frames in stack trace', function () {349            expect(caughtErr.stack).to.contain('overwritingPropertyGetter');350            if (typeof Proxy !== 'undefined' && typeof Reflect !== 'undefined') {351              expect(caughtErr.stack).to.contain('proxyGetter');352            }353          });354          it('should include user frames in stack trace', function () {355            expect(caughtErr.stack).to.contain('badOverwrittenPropertyAssertion');356          });357        });358        describe('failed method assertions', function () {359          var caughtErr = '__PRETEST__';360          before(function () {361            chai.config.includeStack = true;362            try {363              badMethodAssertion();364            } catch (err) {365              caughtErr = err;366            }367          });368          it('should include Chai frames in stack trace', function () {369            expect(caughtErr.stack).to.contain('methodWrapper');370          });371          it('should include user frames in stack trace', function () {372            expect(caughtErr.stack).to.contain('badMethodAssertion');373          });374        });375        describe('failed overwritten method assertions', function () {376          var caughtErr = '__PRETEST__';377          before(function () {378            chai.config.includeStack = true;379            try {380              badOverwrittenMethodAssertion();381            } catch (err) {382              caughtErr = err;383            }384          });385          it('should include Chai frames in stack trace', function () {386            expect(caughtErr.stack).to.contain('overwritingMethodWrapper');387          });388          it('should include user frames in stack trace', function () {389            expect(caughtErr.stack).to.contain('badOverwrittenMethodAssertion');390          });391        });392        describe('failed chainable method assertions', function () {393          var caughtErr = '__PRETEST__';394          before(function () {395            chai.config.includeStack = true;396            try {397              badChainableMethodAssertion();398            } catch (err) {399              caughtErr = err;400            }401          });402          it('should include Chai frames in stack trace', function () {403            expect(caughtErr.stack).to.contain('chainableMethodWrapper');404          });405          it('should include user frames in stack trace', function () {406            expect(caughtErr.stack).to.contain('badChainableMethodAssertion');407          });408        });409        describe('failed overwritten chainable method assertions', function () {410          var caughtErr = '__PRETEST__';411          before(function () {412            chai.config.includeStack = true;413            try {414              badOverwrittenChainableMethodAssertion();415            } catch (err) {416              caughtErr = err;417            }418          });419          it('should include Chai frames in stack trace', function () {420            expect(caughtErr.stack).to.contain('overwritingChainableMethodWrapper');421          });422          it('should include user frames in stack trace', function () {423            expect(caughtErr.stack).to.contain('badOverwrittenChainableMethodAssertion');424          });425        });426      });427      describe('when false', function () {428        describe('failed property assertions', function () {429          var caughtErr = '__PRETEST__';430          before(function () {431            chai.config.includeStack = false;432            try {433              badPropertyAssertion();434            } catch (err) {435              caughtErr = err;436            }437          });438          it('should not include Chai frames in stack trace', function () {439            expect(caughtErr.stack).to.not.contain('propertyGetter');440            if (typeof Proxy !== 'undefined' && typeof Reflect !== 'undefined') {441              expect(caughtErr.stack).to.not.contain('proxyGetter');442            }443          });444          it('should include user frames in stack trace', function () {445            expect(caughtErr.stack).to.contain('badPropertyAssertion');446          });447        });448        describe('failed overwritten property assertions', function () {449          var caughtErr = '__PRETEST__';450          before(function () {451            chai.config.includeStack = false;452            try {453              badOverwrittenPropertyAssertion();454            } catch (err) {455              caughtErr = err;456            }457          });458          it('should not include Chai frames in stack trace', function () {459            expect(caughtErr.stack).to.not.contain('overwritingPropertyGetter');460            if (typeof Proxy !== 'undefined' && typeof Reflect !== 'undefined') {461              expect(caughtErr.stack).to.not.contain('proxyGetter');462            }463          });464          it('should include user frames in stack trace', function () {465            expect(caughtErr.stack).to.contain('badOverwrittenPropertyAssertion');466          });467        });...

Using AI Code Generation

1var chai = require('chai');2var assert = chai.assert;3var foo = 'bar';4var beverages = { tea: [ 'chai', 'matcha', 'oolong' ] };5assert.equal(foo, 'bar', 'foo equal `bar`');6assert.lengthOf(foo, 3, 'foo`s value has a length of 3');7assert.lengthOf(beverages.tea, 3, 'beverages has 3 types of tea');8assert.isTrue(foo === 'bar', 'foo is true');9assert.isFalse(foo === 'bar', 'foo is false');10assert.equal(foo, 'bar', 'foo equal `bar`');11assert.notEqual(foo, 'bar', 'foo is not equal to `bar`');12assert.strictEqual(5, '5', 'strict equality');13assert.notStrictEqual(5, '5', 'non-strict equality');14assert.typeOf(foo, 'string', 'foo is a string');15assert.notTypeOf(foo, 'number', 'foo is not a number');16assert.instanceOf(foo, Object, 'foo is an instance of Object');17assert.include('foobar', 'foo', 'foobar contains foo');18assert.notInclude('foobar', 'baz', 'foobar does not contain baz');19assert.include([ 1, 2, 3 ], 2, 'array contains value');20assert.notInclude([ 1, 2, 3 ], 4, 'array does not contain value');21assert.isEmpty([ 1, 2, 3 ], 'array is empty');22assert.isNotEmpty([ 1, 2, 3 ], 'array is not empty');23assert.match('foobar', /^foo/, 'regexp matches');24assert.notMatch('foobar', /^foo/, 'regexp does not match');25assert.property({ foo: 'bar' }, 'foo', 'object has property foo');26assert.notProperty({ foo: 'bar' }, 'baz', 'object does not have property baz');27assert.deepProperty({ tea: { green: 'matcha' } }, 'tea.green', 'nested object has property');28assert.notDeepProperty({ tea:

Using AI Code Generation

1const chai = require('chai');2const expect = chai.expect;3const assert = chai.assert;4const should = chai.should();5const badOverwrittenPropertyAssertion = require('chai-bad-overwritten-property-assertion');6chai.use(badOverwrittenPropertyAssertion);7describe('badOverwrittenPropertyAssertion', () => {8  it('should throw when a property is overwritten', () => {9    const obj = {10    };11    obj.a = 3;12  });13});14const chai = require('chai');15const expect = chai.expect;16const assert = chai.assert;17const should = chai.should();18const badOverwrittenPropertyAssertion = require('chai-bad-overwritten-property-assertion');19chai.use(badOverwrittenPropertyAssertion);20describe('badOverwrittenPropertyAssertion', () => {21  it('should throw when a property is overwritten', () => {22    const obj = {23    };24    obj.a = 3;25  });26});

Using AI Code Generation

1var chai = require('chai');2var assert = chai.assert;3var expect = chai.expect;4var should = chai.should();5describe('badOverwrittenPropertyAssertion', function() {6  it('should return true', function() {7    var foo = { bar: 1 };8    var badOverwrittenPropertyAssertion = Object.defineProperty(foo, 'bar', { value: 2 });9    console.log(badOverwrittenPropertyAssertion);10    assert.equal(badOverwrittenPropertyAssertion, true);11  });12});13{14  "scripts": {15  },16  "dependencies": {17  }18}19it('should return the correct response', function(done) {20    var stub = sinon.stub(myObject, 'myFunction').returns(Promise.resolve('response'));21    myObject.myFunction().then(function(response) {22      expect(response).to.equal('response');23      done();24    });25  });26it('should return the correct response', function(done) {27    var stub = sinon.stub(myObject, 'myFunction').returns(Promise.resolve('response'));28    myObject.myFunction().then

Using AI Code Generation

1const chai = require('chai');2const { badOverwrittenPropertyAssertion } = require('chai-bad-assertions');3chai.use(badOverwrittenPropertyAssertion);4const expect = chai.expect;5const assert = chai.assert;6const overwriteAssert = require('chai-overwritten-property-assertions');7overwriteAssert(chai);8const betterAssert = require('chai-better-assertions');9betterAssert(chai);10const chaiAsPromised = require('chai-as-promised');11chai.use(chaiAsPromised);12const chaiThings = require('chai-things');13chai.use(chaiThings);14const chaiSubset = require('chai-subset');15chai.use(chaiSubset);16const chaiLike = require('chai-like');17chai.use(chaiLike);18const chaiJsonSchema = require('chai-json-schema');19chai.use(chaiJsonSchema);20const chaiExclude = require('chai-exclude');21chai.use(chaiExclude);22const chaiAlmost = require('chai-almost');23chai.use(chaiAlmost);24const chaiJsonPattern = require('chai-json-pattern');25chai.use(chaiJsonPattern);26const chaiJson = require('chai-json');27chai.use(chaiJson);28const chaiArray = require('chai-array');29chai.use(chaiArray);30const chaiString = require('chai-string');31chai.use(chaiString);32const chaiDatetime = require('chai-datetime');33chai.use(chaiDatetime);34const chaiDom = require('chai-dom');35chai.use(chaiDom);36const chaiChange = require('chai-change');37chai.use(chaiChange);

Using AI Code Generation

1const chai = require('chai');2const chaiAsPromised = require('chai-as-promised');3chai.use(chaiAsPromised);4const expect = chai.expect;5const assert = chai.assert;6describe("test", function() {7  it("should fail", function() {8    assert.notOk("a");9  });10});11const chai = require('chai');12const chaiAsPromised = require('chai-as-promised');13chai.use(chaiAsPromised);14const expect = chai.expect;15const assert = chai.assert;16describe("test", function() {17  it("should fail", function() {18    assert.notOk("a");19  });20});21const chai = require('chai');22const chaiAsPromised = require('chai-as-promised');23chai.use(chaiAsPromised);24const expect = chai.expect;25const assert = chai.assert;26describe("test", function() {27  it("should fail", function() {28    assert.notOk("a");29  });30});31const chai = require('chai');32const chaiAsPromised = require('chai-as-promised');33chai.use(chaiAsPromised);34const expect = chai.expect;35const assert = chai.assert;36describe("test", function() {37  it("should fail", function() {38    assert.notOk("a");39  });40});41const chai = require('chai');42const chaiAsPromised = require('chai-as-promised');43chai.use(chaiAsPromised);44const expect = chai.expect;45const assert = chai.assert;46describe("test", function() {47  it("should fail", function() {48    assert.notOk("a");49  });50});51const chai = require('chai');52const chaiAsPromised = require('chai-as-promised');53chai.use(chaiAsPromised);54const expect = chai.expect;55const assert = chai.assert;56describe("test", function() {57  it("should fail", function() {58    assert.notOk("a");59  });60});

Using AI Code Generation

1var chai = require('chai');2var assert = chai.assert;3var expect = chai.expect;4var should = chai.should();5chai.use(require('chai-bad-assertions'));6describe('badOverwrittenPropertyAssertion Method', function() {7  it('should return true for a bad assertion', function() {8    var obj = { foo: 'bar' };9    expect(obj).to.have.property('foo');10    expect(obj).to.have.property('bar');11  });12});

Using AI Code Generation

1var chai = require('chai');2var assert = chai.assert;3var expect = chai.expect;4var should = chai.should();5describe('badOverwrittenPropertyAssertion', function() {6  it('should return false when property is overwritten', function() {7    var obj = { foo: 1 };8    Object.defineProperty(obj, 'foo', {9      get: function() { return 1; },10      set: function() { return 2; }11    });12    expect(obj.foo).to.equal(1);13  });14});15    at Context.it (test.js:10:12)

Using AI Code Generation

1var chai = require('chai');2chai.use(require('chai-as-promised'));3chai.use(require('chai-better-assertions'));4chai.use(require('chai-arrays'));5var expect = chai.expect;6var assert = chai.assert;7var should = chai.should();8describe('Test', function() {9  it('should pass', function() {10    expect(1).to.be.equal(1);11    assert.equal(1, 1);12    (1).should.be.equal(1);13  });14});15require('chai/register-expect');

Using AI Code Generation

1const chai = require('chai');2const chaiHttp = require('chai-http');3const server = require('../server');4chai.should();5chai.use(chaiHttp);6describe('server', () => {7    describe('GET /', () => {8        it('it should return 200 status', (done) => {9            chai.request(server)10                .get('/')11                .end((err, response) => {12                    response.should.have.status(200);13                    done();14                });15        });16    });17});18const express = require('express');19const app = express();20app.get('/', (req, res) => {21    res.send('Hello World!');22});23module.exports = app;24{25  "scripts": {26  },27  "dependencies": {28  },29  "devDependencies": {30  }31}

Using AI Code Generation

1var chai = require('chai');2var expect = chai.expect;3var assert = chai.assert;4var should = chai.should();5describe('Test', function () {6    it('should fail', function () {7        var obj = {8        };9        expect(obj).to.have.property('prop', 'test');10    });11});

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.