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How to use utils.flag method in chai

Best JavaScript code snippet using chai

chai-things.js

Source:chai-things.js

...19  Object.defineProperty(assertionPrototype, 'includes', containPropertyDesc);20  // Handles the `something` chain property21  function chainSomething() {22    // `include` or `contains` should have been called before23    if (!utils.flag(this, "contains"))24      throw new Error("cannot use something without include or contains");25    // Flag that this is a `something` chain26    var lastSomething = this, newSomething = {};27    while (utils.flag(lastSomething, "something"))28      lastSomething = utils.flag(lastSomething, "something");29    // Transfer all the flags to the new `something` and remove them from `this`30    utils.transferFlags(this, newSomething, false);31    for (var prop in this.__flags)32      if (!/^(?:something|object|ssfi|message)$/.test(prop))33        delete this.__flags[prop];34    // Add the `newSomething` to the `lastSomething` in the chain.35    utils.flag(lastSomething, "something", newSomething);36    // Clear the `something` flag from `newSomething`.37    utils.flag(newSomething, "something", false);38  }39  // Performs the `something()` assertion40  function assertSomething() {41    // Undo the flags set by the `something` chain property42    var somethingFlags = utils.flag(this, "something");43    utils.flag(this, "something", false);44    if (somethingFlags)45      utils.transferFlags(somethingFlags, this, true);46    // The assertion's object for `something` should be array-like47    var object = utils.flag(this, "object");48    expect(object).to.have.property("length");49    expect(object.length).to.be.a("number", "something object length");50    // The object should contain something51    this.assert(object.length > 0,52      "expected #{this} to contain something",53      "expected #{this} not to contain something"54    );55  }56  // Handles the `all` chain property57  function chainAll() {58    // Flag that this is an `all` chain59    var lastAll = this, newAll = {};60    while (utils.flag(lastAll, "all"))61      lastAll = utils.flag(lastAll, "all");62    // Transfer all the flags to the new `all` and remove them from `this`63    utils.transferFlags(this, newAll, false);64    for (var prop in this.__flags)65      if (!/^(?:all|object|ssfi|message)$/.test(prop))66        delete this.__flags[prop];67    // Add the `newAll` to the `lastAll` in the chain.68    utils.flag(lastAll, "all", newAll);69    // Clear the `all` flag from `newAll`.70    utils.flag(newAll, "all", false);71  }72  // Find all assertion methods73  var methodNames = Object.getOwnPropertyNames(assertionPrototype)74    .filter(function (propertyName) {75      var property = Object.getOwnPropertyDescriptor(assertionPrototype, propertyName);76      return typeof property.value  === "function";77    });78  // Override all assertion methods79  methodNames.forEach(function (methodName) {80    // Override the method to react on a possible `something` in the chain81    Assertion.overwriteMethod(methodName, function (_super) {82      return function somethingMethod() {83        // Return if no `something` has been used in the chain84        var somethingFlags = utils.flag(this, "something");85        if (!somethingFlags)86          return _super.apply(this, arguments);87        // Use the nested `something` flag as the new `something` flag for this.88        utils.flag(this, "something", utils.flag(somethingFlags, "something"));89        // The assertion's object for `something` should be array-like90        var arrayObject = utils.flag(this, "object");91        expect(arrayObject).to.have.property("length");92        var length = arrayObject.length;93        expect(length).to.be.a("number", "something object length");94        // In the negative case, an empty array means success95        var negate = utils.flag(somethingFlags, "negate");96        if (negate && !length)97          return;98        // In the positive case, the array should not be empty99        new Assertion(arrayObject).assert(length,100          "expected #{this} to contain something");101        // Try the assertion on every array element102        var assertionError;103        for (var i = 0; i < length; i++) {104          // Test whether the element satisfies the assertion105          var item = arrayObject[i],106              itemAssertion = copyAssertion(this, item, somethingAssert);107          assertionError = null;108          try { somethingMethod.apply(itemAssertion, arguments); }109          catch (error) { assertionError = error; }110          // If the element satisfies the assertion111          if (!assertionError) {112            // In case the base assertion is negated, a satisfying element113            // means the base assertion ("no element must satisfy x") fails114            if (negate) {115              if (!utils.flag(somethingFlags, "something")) {116                // If we have no child `something`s then assert the negated item assertion,117                // which should fail and throw an error118                var negItemAssertion = copyAssertion(this, item, somethingAssert, true);119                somethingMethod.apply(negItemAssertion, arguments);120              }121              // Throw here if we have a child `something`,122              // or if the negated item assertion didn't throw for some reason123              new Assertion(arrayObject).assert(false,124                  "expected no element of #{this} to satisfy the assertion");125            }126            // In the positive case, a satisfying element means the assertion holds127            return;128          }129        }130        // Changes the assertion message to an array viewpoint131        function somethingAssert(test, positive, negative, expected, actual) {132          var replacement = (negate ? "no" : "an") + " element of #{this}";133          utils.flag(this, "object", arrayObject);134          assertionPrototype.assert.call(this, test,135            (negate ? negative : positive).replace("#{this}", replacement),136            (negate ? positive : negative).replace("#{this}", replacement),137            expected, actual);138        }139        // If we reach this point, no element that satisfies the assertion has been found140        if (!negate)141          throw assertionError;142      };143    });144    // Override the method to react on a possible `all` in the chain145    Assertion.overwriteMethod(methodName, function (_super) {146      return function allMethod() {147        // Return if no `all` has been used in the chain148        var allFlags = utils.flag(this, "all");149        if (!allFlags)150          return _super.apply(this, arguments);151        // Use the nested `all` flag as the new `all` flag for this.152        utils.flag(this, "all", utils.flag(allFlags, "all"));153        // The assertion's object for `all` should be array-like154        var arrayObject = utils.flag(this, "object");155        expect(arrayObject).to.have.property("length");156        var length = arrayObject.length;157        expect(length).to.be.a("number", "all object length");158        // In the positive case, an empty array means success159        var negate = utils.flag(allFlags, "negate");160        if (!negate && !length)161          return;162        // Try the assertion on every array element163        var assertionError, item, itemAssertion;164        for (var i = 0; i < length; i++) {165          // Test whether the element satisfies the assertion166          item = arrayObject[i];167          itemAssertion = copyAssertion(this, item, allAssert);168          assertionError = null;169          try { allMethod.apply(itemAssertion, arguments); }170          catch (error) { assertionError = error; }171          // If the element does not satisfy the assertion172          if (assertionError) {173            // In the positive case, this means the assertion has failed174            if (!negate) {175                // If we have no child `all`s then throw the item's assertion error176              if (!utils.flag(allFlags, "all"))177                throw assertionError;178              // Throw here if we have a child `all`,179              new Assertion(arrayObject).assert(false,180                  "expected all elements of #{this} to satisfy the assertion");181            }182            // In the negative case, a failing element means the assertion holds183            return;184          }185        }186        // Changes the assertion message to an array viewpoint187        function allAssert(test, positive, negative, expected, actual) {188          var replacement = (negate ? "not " : "") + "all elements of #{this}";189          utils.flag(this, "object", arrayObject);190          assertionPrototype.assert.call(this, test,191            (negate ? negative : positive).replace("#{this}", replacement),192            (negate ? positive : negative).replace("#{this}", replacement),193            expected, actual);194        }195        // If we reach this point, no failing element has been found196        if (negate) {197          // Assert the negated item assertion which should fail and throw an error198          var negItemAssertion = copyAssertion(this, item, allAssert, true);199          allMethod.apply(negItemAssertion, arguments);200          // Throw here if the negated item assertion didn't throw for some reason201          new Assertion(arrayObject).assert(false,202            "expected not all elements of #{this} to satisfy the assertion");203        }204      };205    });206  });207  // Copies an assertion to another item, using the specified assert function208  function copyAssertion(baseAssertion, item, assert, negate) {209    var assertion = new Assertion(item);210    utils.transferFlags(baseAssertion, assertion, false);211    assertion.assert = assert;212    if (negate)213      utils.flag(assertion, "negate", !utils.flag(assertion, "negate"));214    return assertion;215  }216  // Define the `something` chainable assertion method and its variants217  ["something", "thing", "item", "one", "some", "any"].forEach(function (methodName) {218    if (!(methodName in assertionPrototype))219      Assertion.addChainableMethod(methodName, assertSomething, chainSomething);220  });221  // Define the `all` chainable assertion method222  Assertion.addChainableMethod("all", null, chainAll);...

chai-extensions.js

Source:chai-extensions.js

...7    chai.Assertion.addChainableMethod('error', function(message) {8        var list = getErrorList(this);9        var allErrors = buildErrorReport(this);10        if (message) {11            if (utils.flag(this, 'contains')) {12                return this.assert(13                    list.some(function(error) {14                        return error.message === message;15                    }),16                    'Expected to contain "' + message + '"' + allErrors,17                    'Expected not to contain "' + message + '"' + allErrors18                );19            } else {20                this.assert(21                    list.length === 1,22                    '1 error expected, but ' + list.length + ' found' + allErrors,23                    'Unexpected to have 1 error' + allErrors24                );25                return this.assert(26                    list[0].message === message,27                    'Expected "' + list[0].message + '" to equal "' + message + '"' + allErrors,28                    'Expected "' + list[0].message + '" not to equal "' + message + '"' + allErrors29                );30            }31        }32    }, function() {33        if (utils.flag(this, 'one')) {34            var allErrors = buildErrorReport(this);35            var list = getErrorList(this);36            return this.assert(37                list.length === 1,38                'Expected to have 1 error, but ' + list.length + ' found' + allErrors,39                'Expected not to have 1 error' + allErrors40            );41        }42    });43    /**44     * Rule name assertion for `Errors` instances.45     */46    chai.Assertion.addChainableMethod('from', function(ruleName) {47        var list = getErrorList(this);48        var ruleNames = list.map(function(error) {49            return error.rule;50        });51        var matches = ruleNames.every(function(errorRuleName) {52            return errorRuleName === ruleName;53        });54        var allErrors = buildErrorReport(this);55        return this.assert(56            (utils.flag(this, 'no') ? !matches : matches),57            'Expected error rules "' + ruleNames.join(', ') + '" to equal "' + ruleName + '"' + allErrors,58            'Expected error rules "' + ruleNames.join(', ') + '" not to equal "' + ruleName + '"' + allErrors59        );60    });61    /**62     * Rule name assertion for `Errors` instances.63     */64    chai.Assertion.addChainableMethod('errors',65        function() {66            var list = getErrorList(this);67            var allErrors = buildErrorReport(this);68            var messages = list.map(function(error) {69                return error.message;70            });71            return this.assert(72                utils.flag(this, 'no') ? list.length === 0 : list.length !== 0,73                'Expected not to have errors, but "' + messages.join(', ') + '" found' + allErrors,74                'Expected to have some errors' + allErrors75            );76        }77    );78    /**79     * Error count property for `Errors` instances.80     */81    chai.Assertion.addProperty('count', function() {82        return new chai.Assertion(getErrorList(this).length);83    });84    /**85     * Error count property for `Errors` instances.86     */87    chai.Assertion.addProperty('no', function() {88        utils.flag(this, 'no', true);89    });90    /**91     * Error assertion for `Errors` instances.92     */93    chai.Assertion.addProperty('one', function() {94        utils.flag(this, 'one', true);95    });96    chai.Assertion.addProperty('validation', function() {97        utils.flag(this, 'validation', true);98    });99    chai.Assertion.addProperty('parse', function() {100        utils.flag(this, 'parse', true);101    });102    function getErrorList(context) {103        var errors = utils.flag(context, 'object');104        var list = errors.getErrorList();105        if (utils.flag(context, 'validation')) {106            list = list.filter(isValidationError);107        }108        if (utils.flag(context, 'parse')) {109            list = list.filter(isParseError);110        }111        return list;112    }113    function buildErrorReport(context) {114        var errorReport = utils.flag(context, '_errorReport');115        if (!errorReport) {116            errorReport = '\nAll errors:\n' +117                utils.flag(context, 'object').getErrorList().map(function(error) {118                    return ' - ' + error.rule + ': ' + error.message;119                }).join('\n');120            utils.flag(context, '_errorReport', errorReport);121        }122        return errorReport;123    }124    function isValidationError(error) {125        return !isParseError(error) && !isInternalError(error);126    }127    function isParseError(error) {128        return error.rule === 'parseError';129    }130    function isInternalError(error) {131        return error.rule === 'internalError';132    }...

extends.js

Source:extends.js

...4const { isFile, isDirectory, isSymbolicLink, readJson } = require('./helpers');5module.exports.registerPlugins = function (_chai, utils) {6	Assertion.addSameEffectChainableMethod = function (name, func) {7		function fb() {8			utils.flag(this, 'last chain', name);9			func.apply(this, arguments);10			return this;11		}12		13		return Assertion.addChainableMethod(name, fb, fb);14	};15	16	Assertion.addSameEffectChainableMethod('success', success);17	Assertion.addSameEffectChainableMethod('fail', fail);18	Assertion.addProperty('output', output);19	Assertion.addProperty('stderr', stderr);20	Assertion.addProperty('stdout', stdout);21	Assertion.addProperty('content', content);22	Assertion.addProperty('jsonObject', jsonObject);23	Assertion.addMethod('value', value);24	Assertion.addProperty('isCommand', isCommand);25	26	Assertion.addProperty('will', () => undefined);27	28	Assertion.addSameEffectChainableMethod('file', wrapTester(isFile, 'not exists or not a file'));29	Assertion.addSameEffectChainableMethod('directory', wrapTester(isDirectory, 'not exists or not a directory'));30	Assertion.addSameEffectChainableMethod('symbolicLink', wrapTester(isSymbolicLink, 'not exists or not a symbolicLink'));31	32	['match', 'have.string', 'equal'].forEach(function wrapCommandAssert(name) {33		name = name.split(/\./g);34		const readName = name.join(' ');35		name = name.pop();36		37		utils.overwriteMethod(Assertion.prototype, name, function (_super) {38			return function (...args) {39				if (utils.flag(this, 'isCommand') && utils.flag(this, 'command type')) {40					try {41						_super.apply(this, args);42					} catch (e) {43						const type = utils.flag(this, 'command type');44						const object = utils.flag(this, 'object');45						// const cmdline = utils.flag(this, 'command line');46						47						const message = `expected ${type} ${readName} "${args[0]}`;48						const err = new AssertionError(message);49						throw wrap_output(err, object)50					}51				} else {52					_super.apply(this, args);53				}54			}55		});56	});57	58	function isCommand() {59		utils.flag(this, 'isCommand', true);60		utils.flag(this, 'command line', utils.flag(this, 'object').command);61	}62	63	function fail() {64		const obj = utils.flag(this, 'object');65		try {66			expect(obj.status).to.not.equal(0, `command "${obj.command}" NOT failed`);67		} catch (e) {68			throw wrap_output(e, obj);69		}70	}71	72	function success() {73		const obj = utils.flag(this, 'object');74		try {75			expect(obj.status).to.equal(0, `command "${obj.command}" NOT success`);76		} catch (e) {77			throw wrap_output(e, obj);78		}79	}80	81	function output() {82		const obj = utils.flag(this, 'object');83		const buffer = Buffer.concat(obj.output.filter(x => !!x)).toString('utf-8');84		utils.flag(this, 'object', buffer);85		utils.flag(this, 'command type', 'output');86	}87	88	function stderr() {89		const obj = utils.flag(this, 'object');90		const buffer = obj.stderr.toString('utf-8');91		utils.flag(this, 'object', buffer);92		utils.flag(this, 'command type', 'stderr');93	}94	95	function stdout() {96		const obj = utils.flag(this, 'object');97		const buffer = obj.stdout.toString('utf-8');98		utils.flag(this, 'object', buffer);99		utils.flag(this, 'command type', 'stdout');100	}101	102	function value() {103		return utils.flag(this, 'object');104	}105	106	function content() {107		const last = utils.flag(this, 'last chain');108		const val = utils.flag(this, 'object');109		110		let ret;111		if (last === 'file') {112			if (/\.json$/.test(val)) {113				ret = readJson(val);114			} else {115				ret = readFileSync(val, 'utf-8');116			}117		} else if (last === 'directory') {118			ret = readdirSync(val);119		} else {120			throw new Error('wrong usage or .content');121		}122		utils.flag(this, 'object', ret);123	}124	125	function jsonObject() {126		const val = utils.flag(this, 'object');127		try {128			utils.flag(this, 'object', JSON.parse(val.trim()));129		} catch (e) {130			throw new AssertionError(`can't parse json - ${e.message}:\n\t${val}`);131		}132	}133	134	function wrapTester(tester, msg) {135		return function () {136			const obj = utils.flag(this, 'object');137			if (!tester(obj)) {138				throw new AssertionError(obj + ': ' + msg);139			}140		};141	}142};143function tab(str) {144	return '\t' + str.replace(/\n/g, '\n\t');145}146function wrap_output(err, object) {147	if (typeof object !== 'string') {148		object = Buffer.concat(object.output.filter(x => !!x)).toString('utf-8');149	}150	const message = `, output is:\n============\n${tab(object)}\n============`;...

Using AI Code Generation

1var chai = require('chai');2var expect = chai.expect;3var should = chai.should();4var assert = chai.assert;5describe('Array', function() {6  describe('#indexOf()', function() {7    it('should return -1 when the value is not present', function() {8      assert.equal(-1, [1,2,3].indexOf(4));9    });10  });11});12var chai = require('chai');13var expect = chai.expect;14var should = chai.should();15var assert = chai.assert;16describe('Array', function() {17  describe('#indexOf()', function() {18    it('should return -1 when the value is not present', function() {19      expect([1,2,3].indexOf(4)).to.equal(-1);20    });21  });22});23var exec = require('child_process').exec;24describe('Array', function() {25  describe('#indexOf()', function() {26    it('should return -1 when the value is not present', function(done) {27      exec('mocha test.js', function(err, stdout, stderr) {28        var test1Result = stdout;29        exec('mocha test2.js', function(err, stdout, stderr) {30          var test2Result = stdout;31          expect(test1Result).to.equal(test2Result);32          done();33        });34      });35    });36  });37});

Using AI Code Generation

1let chai = require('chai');2let expect = chai.expect;3let assert = chai.assert;4let should = chai.should();5let chaiHttp = require('chai-http');6let server = require('../server');7let utils = require('../utils');8let chaiAsPromised = require('chai-as-promised');9chai.use(chaiHttp);10chai.use(chaiAsPromised);11describe('Test Suite', () => {12    describe('GET /', () => {13        it('should return 200 status', (done) => {14            chai.request(server)15                .get('/')16                .end((err, res) => {17                    expect(res).to.have.status(200);18                    done();19                });20        });21        it('should return 404 status', (done) => {22            chai.request(server)23                .get('/notFound')24                .end((err, res) => {25                    expect(res).to.have.status(404);26                    done();27                });28        });29    });30    describe('GET /users', () => {31        it('should return 200 status', (done) => {32            chai.request(server)33                .get('/users')34                .end((err, res) => {35                    expect(res).to.have.status(200);36                    done();37                });38        });39    });40    describe('GET /users/:id', () => {41        it('should return 200 status', (done) => {42            chai.request(server)43                .get('/users/1')44                .end((err, res) => {45                    expect(res).to.have.status(200);46                    done();47                });48        });49        it('should return 404 status', (done) => {50            chai.request(server)51                .get('/users/100')52                .end((err, res) => {53                    expect(res).to.have.status(404);54                    done();55                });56        });57    });58    describe('POST /users', () => {59        it('should return 201 status', (done) => {60            chai.request(server)61                .post('/users')62                .send({ name: 'test', email: '

Using AI Code Generation

1var expect = require('chai').expect;2var utils = require('chai').utils;3var flag = utils.flag;4var obj = {5};6var obj2 = {7};8expect(obj).to.equal(obj);9expect(obj).to.not.equal(obj2);10flag(obj, 'foo', 'bar');11expect(flag(obj, 'foo')).to.equal('bar');12var chai = require('chai');13var chaiAsPromised = require('chai-as-promised');14chai.use(chaiAsPromised);15var expect = chai.expect;16var expect = require('chai').expect;17var promise = new Promise(function(resolve, reject) {18  resolve('foo');19});20expect(promise).to.eventually.equal('foo');21expect(promise).to.be.fulfilled;22expect(promise).to.be.rejected;23var expect = require('chai').expect;24var promise = new Promise(function(resolve, reject) {25  resolve('foo');26});27expect(promise).to.eventually.equal('foo');28expect(promise).to.be.fulfilled;29expect(promise).to.be.rejected;30var expect = require('chai').expect;31var promise = new Promise(function(resolve, reject) {32  resolve('foo');33});34expect(promise).to.eventually.equal('foo');35expect(promise).to.be.fulfilled;36expect(promise).to.be.rejected;37var expect = require('chai').expect;38var promise = new Promise(function(resolve, reject) {39  resolve('foo');40});41expect(promise).to.eventually.equal('foo');42expect(promise).to.be.fulfilled;43expect(promise).to.be.rejected

Using AI Code Generation

1var chai = require('chai');2var expect = chai.expect;3var assert = chai.assert;4var should = chai.should();5var utils = chai.utils;6var flag = utils.flag;7var chaiAsPromised = require('chai-as-promised');8chai.use(chaiAsPromised);9var chaiHttp = require('chai-http');10chai.use(chaiHttp);11var chaiThings = require('chai-things');12chai.use(chaiThings);13var chaiFuzzy = require('chai-fuzzy');14chai.use(chaiFuzzy);15var chaiSubset = require('chai-subset');16chai.use(chaiSubset);17var chaiEnzyme = require('chai-enzyme');18chai.use(chaiEnzyme());19var chaiSpies = require('chai-spies');20chai.use(chaiSpies);21var chaiJquery = require('chai-jquery');22chai.use(chaiJquery);23var chaiDatetime = require('chai-datetime');24chai.use(chaiDatetime);25var chaiString = require('chai-string');26chai.use(chaiString);27var chaiXml = require('chai-xml');28chai.use(chaiXml);29var chaiJsonSchema = require('chai-json-schema');30chai.use(chaiJsonSchema);31var chaiXmlSchema = require('chai-xml-schema');32chai.use(chaiXmlSchema);33var chaiXmlXmlschema = require('chai-xml-xmlschema');34chai.use(chaiXmlXmlschema);35var chaiXmlJsonschema = require('chai-xml-jsonschema');36chai.use(chaiXmlJsonschema);37var chaiXmlXmljsonschema = require('chai-xml-xmljsonschema');38chai.use(chaiXmlXmljsonschema);39var chaiXmlJsonxmlschema = require('chai-xml-jsonxmlschema');

Using AI Code Generation

1var expect = require('chai').expect;2var flag = require('chai').utils.flag;3var assert = require('chai').assert;4var should = require('chai').should();5describe('chai', function() {6  it('should use flag method', function() {7    var obj = { foo: 'bar' };8    var flagObj = flag(obj, 'foo');9    expect(flagObj).to.equal('bar');10  });11});12var expect = require('chai').expect;13var flag = require('chai').utils.flag;14var assert = require('chai').assert;15var should = require('chai').should();16describe('chai', function() {17  it('should use assert method', function() {18    var obj = { foo: 'bar' };19    assert.equal(flag(obj, 'foo'), 'bar');20  });21});22var expect = require('chai').expect;23var flag = require('chai').utils.flag;24var assert = require('chai').assert;25var should = require('chai').should();26describe('chai', function() {27  it('should use should method', function() {28    var obj = { foo: 'bar' };29    flag(obj, 'foo').should.equal('bar');30  });31});32var expect = require('chai').expect;33var flag = require('chai').utils.flag;34var assert = require('chai').assert;35var should = require('chai').should();36describe('chai', function() {37  it('should use expect method', function() {38    var obj = { foo: 'bar' };39    expect(flag(obj, 'foo')).to.equal('bar');40  });41});42var expect = require('chai').expect;43var flag = require('chai').utils.flag;44var assert = require('chai').assert;45var should = require('chai').should();46describe('chai', function() {47  it('should use expect method', function() {48    var obj = { foo: 'bar' };49    expect(flag(obj, 'foo')).to.equal('bar');50  });51});

Using AI Code Generation

1var expect = require('chai').expect;2var assert = require('chai').assert;3var should = require('chai').should();4describe('Mocha', function () {5    it('should run our tests using npm', function () {6        assert.isOk(true);7    });8});9describe('Chai', function () {10    it('should allow us to use the "expect" syntax', function () {11        expect(true).to.be.ok;12    });13    it('should allow us to use the "assert" syntax', function () {14        assert.isOk(true);15    });16    it('should allow us to use the "should" syntax', function () {17        true.should.be.ok;18    });19});20describe('Chai', function () {21    it('should allow us to use the "expect" syntax', function () {22        expect(true).to.be.ok;23    });24    it('should allow us to use the "assert" syntax', function () {25        assert.isOk(true);26    });27    it('should allow us to use the "should" syntax', function () {28        true.should.be.ok;29    });30});31describe('Chai', function () {32    it('should allow us to use the "expect" syntax', function () {33        expect(true).to.be.ok;34    });35    it('should allow us to use the "assert" syntax', function () {36        assert.isOk(true);37    });38    it('should allow us to use the "should" syntax', function () {39        true.should.be.ok;40    });41});42describe('Chai', function () {43    it('should allow us to use the "expect" syntax', function () {44        expect(true).to.be.ok;45    });46    it('should allow us to use the "assert" syntax', function () {47        assert.isOk(true);48    });49    it('should allow us to use the "should" syntax', function () {50        true.should.be.ok;51    });52});53describe('Chai', function () {54    it('should allow us to use the "expect" syntax', function () {55        expect(true).to.be.ok;56    });57    it('should allow us to use the "assert" syntax', function () {58        assert.isOk(true);59    });

Using AI Code Generation

1var expect = require('chai').expect;2var utils = require('chai').utils;3var obj = { foo: 'bar' };4var str = 'foobar';5expect(obj).to.be.an('object');6expect(str).to.be.a('string');7expect(obj).to.not.be.a('string');8expect(str).to.not.be.an('object');9expect(obj).to.be.an('object').and.have.property('foo');10expect(obj).to.be.an('object').and.have.property('foo').that.is.a('string');11expect(obj).to.be.an('object').and.have.property('foo').that.is.a('string').and.equal('bar');12expect(obj).to.be.an('object').and.have.property('foo').that.is.a('string').and.equal('bar').and.have.length(3);13expect(obj).to.be.an('object').and.have.property('foo').that.is.a('string').and.equal('bar').and.have.length(3).and.have.property('length');14expect(obj).to.be.an('object').and.have.property('foo').that.is.a('string').and.equal('bar').and.have.length(3).and.have.property('length').that.is.a('number');15var expect = require('chai').expect;16var utils = require('chai').utils;17var obj = { foo: 'bar' };18var str = 'foobar';

Using AI Code Generation

1const { expect } = require('chai');2const { expect } = require('chai');3describe('Test', () => {4    it('should pass', () => {5        expect('foo').to.be.a('string');6        expect({ foo: 'bar' }).to.have.property('foo');7        expect(1).to.equal(1);8        expect([1, 2, 3]).to.have.lengthOf(3);9        expect(Promise.resolve('foo')).to.eventually.equal('foo');10    });11});12describe('Test', () => {13    it('should pass', () => {14        expect('foo').to.be.a('string');15        expect({ foo: 'bar' }).to.have.property('foo');16        expect(1).to.equal(1);17        expect([1, 2, 3]).to.have.lengthOf(3);18        expect(Promise.resolve('foo')).to.eventually.equal('foo');19    });20});21describe('Test', () => {22    it('should pass', () => {23        expect('foo').to.be.a('string');24        expect({ foo: 'bar' }).to.have.property('foo');25        expect(1).to.equal(1);26        expect([1, 2, 3]).to.have.lengthOf(3);27        expect(Promise.resolve('foo')).to.eventually.equal('foo');28    });29});30describe('Test', () => {31    it('should pass', () => {32        expect('foo').to.be.a('string');33        expect({ foo: 'bar' }).to.have.property('foo');34        expect(1).to.equal(1);35        expect([1, 2, 3]).to.have.lengthOf(3);36        expect(Promise.resolve('foo')).to.eventually.equal('foo');37    });38});39describe('Test', () => {40    it('should pass', () => {41        expect('foo').to.be.a('string');42        expect({ foo: 'bar' }).to.have.property('foo');43        expect(1).to.equal(1);44        expect([1

Using AI Code Generation

1var expect = require('chai').expect;2describe('Test', function() {3  it('should pass', function() {4    expect(true).to.equal(true);5  });6});7var flag = function() {8  return 'flag';9};10module.exports = {11};12var expect = require('chai').expect;13var utils = require('./utils');14describe('Test', function() {15  it('should pass', function() {16    expect(utils.flag()).to.equal('flag');17  });18});19var flag = function() {20  return 'flag';21};22module.exports = {23};24var expect = require('chai').expect;25var utils = require('./utils');26describe('Test', function() {27  it('should pass', function() {28    expect(utils.flag()).to.equal('flag');29  });30});31var flag = function() {32  return 'flag';33};34module.exports = {35};36var expect = require('chai').expect;37var utils = require('./utils');38describe('Test', function() {39  it('should pass', function() {40    expect(utils.flag()).to.equal('flag');41  });42});43var flag = function() {44  return 'flag';45};46module.exports = {47};48var expect = require('chai').expect;49var utils = require('./utils');50describe('Test', function() {51  it('should pass', function() {52    expect(utils.flag()).to.equal('flag');53  });54});55var flag = function() {56  return 'flag';57};58module.exports = {59};60var expect = require('chai').expect;61var utils = require('./utils');62describe('Test', function() {63  it('should pass', function() {64    expect(utils.flag()).to.equal('flag');65  });66});67var flag = function() {68  return 'flag';

Using AI Code Generation

1var expect = require('chai').expect;2var should = require('chai').should();3describe('test', function() {4  it('should be a function', function() {5    var fn = function() {};6    fn.should.be.a('function');7  });8  it('should be an object', function() {9    var obj = {};10    obj.should.be.an('object');11  });12  it('should be a string', function() {13    var str = 'test';14    str.should.be.a('string');15  });16});17var utils = require('chai').utils;18module.exports = {19  foo: function() {20    return 'foo';21  },22  bar: function() {23    return 'bar';24  }25};26var chai = require('chai');27var utils = chai.utils;28chai.Assertion.addMethod('foo', function() {29  var obj = utils.flag(this, 'object');30  new chai.Assertion(obj).to.be.a('function');31  var val = obj();32  this.assert(33    'expected #{this} to return foo but got #{act}',34    'expected #{this} to not return foo',35  );36});37chai.Assertion.addMethod('bar', function() {38  var obj = utils.flag(this, 'object');39  new chai.Assertion(obj).to.be.a('function');40  var val = obj();41  this.assert(42    'expected #{this} to return bar but got #{act}',43    'expected #{this} to not return bar',44  );45});46var expect = require('chai').expect;47var should = require('chai').should();48var utils = require('./utils');49describe('test', function() {50  it('should be foo', function() {51    var obj = utils.foo;52    obj.should.be.foo;53  });54  it('should be bar', function() {55    var obj = utils.bar;56    obj.should.be.bar;57  });58});

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.