How to use badOverwrittenPropertyAssertion method in chai

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configuration.js

Source:configuration.js Github

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...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 });...

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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:

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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});

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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

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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);

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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});

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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});

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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)

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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');

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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}

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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});

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