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How to use assertExist method in chai

Best JavaScript code snippet using chai

yueting.js

Source:yueting.js

...112        return num113    },114    getUser: function (userId) {115        console.debug("getUser userId ", userId)116        userId = this.assertExist(userId)117        var profile = this.users.get(userId)118        var musics = this.musics.get(userId)119        var likes = this.likes.get(userId)120        return {"profile": profile, "musics": musics, "likes": likes}121    },122    curIndex: function() {123        return cur_index = LocalContractStorage.get("users_index")124    },125    AllUsers: function(limit, offset) {126        var limit = parseInt(limit);127        var offset = parseInt(offset);128        var cur_index = LocalContractStorage.get("users_index")129        if (limit < 1) {130            limit = 1131        }132        if (offset < 1) {133            offset = 0134        }135        if (offset > cur_index) {136            throw new Error("offset is not valid");137        }138        var number = offset + limit;139        if (number > cur_index) {140            number = cur_index;141        }142        console.debug("limit: ", limit, " offset:", offset, " number:", number)143        var result  = "[";144        for (var i = offset; i < number-1; i++) {145            var userId = this.usersIndexs.get(i);146            var info = this.users.get(userId)147            console.debug("index: ", i, " userId:", userId, "info:", info)148            result +=  info +","149        }150        var userId = this.usersIndexs.get(number - 1);151        var info = this.users.get(userId)152        result += info + "]"153        return result154    },155    //TODO only the walletAdder owner can delete itself156    delUser: function (userId) {157        userId = this.assertExist(userId)158        var total_num = LocalContractStorage.get("users_num");159        LocalContractStorage.set("users_num", total_num - 1);160        this.users.del(userId)161        this.musics.del(userId)162        this.likes.del(userId)163    },164    getMusic: function (userId) {165        userId = this.assertExist(userId)166        return this.musics.get(userId)167    },168    addMusic: function (userId, music) {169        userId = this.assertExist(userId)170        var newElem = new Music(music)171        var oldValue = this.musics.get(userId)172        if (oldValue) {173            oldValue[newElem.musicId] = newElem174            this.musics.put(userId, oldValue)175        } else {176            var value = {}177            value[newElem.musicId] = newElem178            this.musics.put(userId, value)179        }180        return this.musics.get(userId)181    },182    delMusics: function (userId) {183        userId = this.assertExist(userId)184        this.musics.put(userId, {})185    },186    delMusic: function (userId, musicId) {187        userId = this.assertExist(userId)188        if (typeof(musicId) == "undefined") {189            throw new Error("musicId is empty, must be given")190        }191        var oldValue = this.musics.get(userId)192        if (oldValue) {193            delete oldValue[musicId]194            this.musics.put(userId, oldValue)195        } else {196            throw new Error("del music but music doesn't exist")197        }198        return this.musics.get(userId)199    },200    getLike: function (userId) {201        userId = this.assertExist(userId)202        return this.likes.get(userId)203    },204    addLike: function (userId, music) {205        userId = this.assertExist(userId)206        var newElem = new Music(music)207        var oldValue = this.likes.get(userId)208        if (oldValue) {209            oldValue[newElem.musicId] = newElem210            this.likes.put(userId, oldValue)211        } else {212            var value = {}213            value[newElem.musicId] = newElem214            this.likes.put(userId, value)215        }216        return this.likes.get(userId)217    },218    delLikes: function (userId) {219        userId = this.assertExist(userId)220        this.likes.set(userId, {})221    },222    delLike: function (userId, musicId) {223        userId = this.assertExist(userId)224        if (typeof(musicId) == "undefined") {225            throw new Error("musicId is empty, must be given")226        }227        var oldValue = this.likes.get(userId)228        if (oldValue) {229            delete oldValue[musicId]230            this.likes.put(userId, oldValue)231        } else {232            throw new Error("del like but music doesn't exist")233        }234        return this.likes.get(userId)235    }236};237module.exports = YueTing;

312568 - 4311503cb2dfe5ea7c020dc25c04cc653afedf5c00be0b3284dd90bd77d5b8ad - 4bd54af1e9a702a5f9f0dcd29306233d3d29514e72290741305500b517299b02.js

Source:312568 - 4311503cb2dfe5ea7c020dc25c04cc653afedf5c00be0b3284dd90bd77d5b8ad - 4bd54af1e9a702a5f9f0dcd29306233d3d29514e72290741305500b517299b02.js

...112        return num113    },114    getUser: function (userId) {115        console.debug("getUser userId ", userId)116        userId = this.assertExist(userId)117        var profile = this.users.get(userId)118        var musics = this.musics.get(userId)119        var likes = this.likes.get(userId)120        return {"profile": profile, "musics": musics, "likes": likes}121    },122    curIndex: function() {123        return cur_index = LocalContractStorage.get("users_index")124    },125    AllUsers: function(limit, offset) {126        var limit = parseInt(limit);127        var offset = parseInt(offset);128        var cur_index = LocalContractStorage.get("users_index")129        if (limit < 1) {130            limit = 1131        }132        if (offset < 1) {133            offset = 0134        }135        if (offset > cur_index) {136            throw new Error("offset is not valid");137        }138        var number = offset + limit;139        if (number > cur_index) {140            number = cur_index;141        }142        console.debug("limit: ", limit, " offset:", offset, " number:", number)143        var result  = "[";144        for (var i = offset; i < number-1; i++) {145            var userId = this.usersIndexs.get(i);146            var info = this.users.get(userId)147            console.debug("index: ", i, " userId:", userId, "info:", info)148            result +=  info +","149        }150        var userId = this.usersIndexs.get(number - 1);151        var info = this.users.get(userId)152        result += info + "]"153        return result154    },155    //TODO only the walletAdder owner can delete itself156    delUser: function (userId) {157        userId = this.assertExist(userId)158        var total_num = LocalContractStorage.get("users_num");159        LocalContractStorage.set("users_num", total_num - 1);160        this.users.del(userId)161        this.musics.del(userId)162        this.likes.del(userId)163    },164    getMusic: function (userId) {165        userId = this.assertExist(userId)166        return this.musics.get(userId)167    },168    addMusic: function (userId, music) {169        userId = this.assertExist(userId)170        var newElem = new Music(music)171        var oldValue = this.musics.get(userId)172        if (oldValue) {173            oldValue[newElem.musicId] = newElem174            this.musics.put(userId, oldValue)175        } else {176            var value = {}177            value[newElem.musicId] = newElem178            this.musics.put(userId, value)179        }180        return this.musics.get(userId)181    },182    delMusics: function (userId) {183        userId = this.assertExist(userId)184        this.musics.put(userId, {})185    },186    delMusic: function (userId, musicId) {187        userId = this.assertExist(userId)188        if (typeof(musicId) == "undefined") {189            throw new Error("musicId is empty, must be given")190        }191        var oldValue = this.musics.get(userId)192        if (oldValue) {193            delete oldValue[musicId]194            this.musics.put(userId, oldValue)195        } else {196            throw new Error("del music but music doesn't exist")197        }198        return this.musics.get(userId)199    },200    getLike: function (userId) {201        userId = this.assertExist(userId)202        return this.likes.get(userId)203    },204    addLike: function (userId, music) {205        userId = this.assertExist(userId)206        var newElem = new Music(music)207        var oldValue = this.likes.get(userId)208        if (oldValue) {209            oldValue[newElem.musicId] = newElem210            this.likes.put(userId, oldValue)211        } else {212            var value = {}213            value[newElem.musicId] = newElem214            this.likes.put(userId, value)215        }216        return this.likes.get(userId)217    },218    delLikes: function (userId) {219        userId = this.assertExist(userId)220        this.likes.set(userId, {})221    },222    delLike: function (userId, musicId) {223        userId = this.assertExist(userId)224        if (typeof(musicId) == "undefined") {225            throw new Error("musicId is empty, must be given")226        }227        var oldValue = this.likes.get(userId)228        if (oldValue) {229            delete oldValue[musicId]230            this.likes.put(userId, oldValue)231        } else {232            throw new Error("del like but music doesn't exist")233        }234        return this.likes.get(userId)235    }236};237module.exports = YueTing;

node-web3.js

Source:node-web3.js

...3const fs = require("fs");4/*5argsProxyhandler6    Args í´ëì¤ë¥¼ ìí Proxy Handler í¨ì7    Args í´ëì¤ì assertExist() í¨ì í¸ì¶ì ê°ì íê¸° ìí¨8*/9const argsProxyhandler = {10    construct(target, args){11        const t = new target(...args);12        if(!t.isAsserted()) throw new SyntaxError("You have to invoke assertExist() function in constructor");13        return t;14    }15}16/*17Args.class18    ê° ë¼ì´ë¸ë¬ë¦¬ constructorì íìí íë¼ë¯¸í° ê·ì½ë¤ì ê¸°ë³¸ì´ ëë í´ëì¤19    @constructor20        @param args : Object21            ìì±ìì íìí íë¼ë¯¸í°ì ë§¤ê°ë³ì22    23    @fields24        - isAsserted : assertExist() í¨ì í¸ì¶ ì¬ë¶ë¥¼ íì¸íë private flag ë³ì25    @statics26        - getClassName : í´ëì¤ ì´ë¦ì ë°í27    @methods28        - assertExist : ì ë¬ ë°ì argsê° ì£¼ì´ì§ arg_names ë¦¬ì¤í¸ì ì¼ì¹íëì§ íì¸29            @param arg_names : íë¼ë¯¸í°ì ì¼ì¹íë ë§¤ê°ë³ìì ì¡´ì¬ ì¬ë¶ íì¸30        - isMatchClass : ë¤ì´ì¨ ë§¤ê°ë³ìê° íìë¡íë í´ëì¤ì ì¼ì¹íëì§ íì¸31            @param target : ë¹êµí  Args ì¸ì¤í´ì¤32        - getClassName : í´ëì¤ ì´ë¦ ë°í33        - isAsserted : @fields isAsserted ê° ë°í34        - assign : ë§¤ê°ë³ìë¥¼ ë°ìë¤ì¸ ê°ì²´ì íë¼ë¯¸í° binding ì§í35            @param target : ë§¤ê°ë³ìë¥¼ ë°ìë¤ì¸ ê°ì²´36*/37class Args {38    #isAsserted = false;39    40    constructor(args){41        this.args = args;42    }43    isMatchClass(target){44        if(this.name !== target.getClassName()) throw new TypeError(`You need to get "${this.name}" instance.`);45        return this;46    }47    getClassName(){48        return this.name;49    }50    assertExist(...arg_names){51        arg_names.forEach(arg_name=>{52            if(!this.args[arg_name]) throw new TypeError(`The ${arg_name} is not exists.`);53        })54        this.#isAsserted = true;55        return this;56    }57    isAsserted(){58        return this.#isAsserted;59    }60    assign(target){61        for(const key in this.args){62            target[key] = this.args[key]63        }64    }65}66/*67EtherHttpWeb3Args.class68    EtherHttpWeb3.class ìì±ì ë§¤ê°ë³ì69    @required_params70        - target71        - contract_address72        - abi_name73*/74class EtherHttpWeb3Args extends Args{75    constructor(args){76        super(args);77        this.assertExist('target', 'contract_address', 'abi_name');78    }79}80const ExistCheckProxy = new Proxy(81    class {},82    {83        apply: function(target, thisArg, argumentList) {84            argumentList.forEach(arg=>{85                if(arg){86                    throw new TypeError(`function ${target.name}() arguments is invalid.`)87                }88            })89            return target(...argumentList);90        }91    } ...

Using AI Code Generation

1const assert = require('chai').assert;2const expect = require('chai').expect;3const should = require('chai').should();4describe('Array', function () {5  describe('#indexOf()', function () {6    it('should return -1 when the value is not present', function () {7      expect([1, 2, 3].indexOf(4)).to.equal(-1);8      assert.equal([1, 2, 3].indexOf(4), -1);9      [1, 2, 3].indexOf(4).should.equal(-1);10    });11  });12});

Using AI Code Generation

1var assert = require('chai').assert;2var expect = require('chai').expect;3var should = require('chai').should();4var assert = require('chai').assert;5var expect = require('chai').expect;6var should = require('chai').should();7describe('Test', function() {8    describe('#assertExist', function() {9        it('should return true if the value is not null', function() {10            assert.exists(1);11        });12        it('should return true if the value is not null', function() {13            assert.exists('hello');14        });15        it('should return true if the value is not null', function() {16            assert.exists([]);17        });18        it('should return true if the value is not null', function() {19            assert.exists({});20        });21        it('should return true if the value is not null', function() {22            assert.exists(function() {});23        });24    });25    describe('#assertNotExist', function() {26        it('should return true if the value is null', function() {27            assert.notExists(null);28        });29        it('should return true if the value is null', function() {30            assert.notExists(undefined);31        });32    });33    describe('#expectExist', function() {34        it('should return true if the value is not null', function() {35            expect(1).to.exist;36        });37        it('should return true if the value is not null', function() {38            expect('hello').to.exist;39        });40        it('should return true if the value is not null', function() {41            expect([]).to.exist;42        });43        it('should return true if the value is not null', function() {44            expect({}).to.exist;45        });46        it('should return true if the value is not null', function() {47            expect(function() {}).to.exist;48        });49    });50    describe('#expectNotExist', function() {51        it('should return true if the value is null', function() {52            expect(null).to.not.exist;53        });54        it('should return true if the value is null', function() {55            expect(undefined).to.not.exist;56        });57    });58    describe('#shouldExist', function() {59        it('should return true if the value is not null', function() {60            1.should.exist;61        });62        it('should return true if the value is

Using AI Code Generation

1const chai = require('chai');2const assert = chai.assert;3const expect = chai.expect;4const should = chai.should();5const chaiHttp = require('chai-http');6const app = require('../app');7chai.use(chaiHttp);8describe('GET /', function() {9    it('should return 200 OK', function(done) {10        chai.request(app)11            .get('/')12            .end(function(err, res) {13                res.should.have.status(200);14                done();15            });16    });17});18const chai = require('chai');19const assert = chai.assert;20const expect = chai.expect;21const should = chai.should();22const chaiHttp = require('chai-http');23const app = require('../app');24chai.use(chaiHttp);25describe('GET /', function() {26    it('should return 200 OK', function(done) {27        chai.request(app)28            .get('/')29            .end(function(err, res) {30                res.should.have.status(200);31                done();32            });33    });34});35const chai = require('chai');36const assert = chai.assert;37const expect = chai.expect;38const should = chai.should();39const chaiHttp = require('chai-http');40const app = require('../app');41chai.use(chaiHttp);42describe('GET /', function() {43    it('should return 200 OK', function(done) {44        chai.request(app)45            .get('/')46            .end(function(err, res) {47                res.should.have.status(200);48                done();49            });50    });51});52const chai = require('chai');53const assert = chai.assert;54const expect = chai.expect;55const should = chai.should();56const chaiHttp = require('chai-http');57const app = require('../app');58chai.use(chaiHttp);59describe('GET /', function() {60    it('should return 200 OK', function(done) {61        chai.request(app)62            .get('/')63            .end(function(err, res) {64                res.should.have.status(200);65                done();66            });67    });68});69const chai = require('chai');

Using AI Code Generation

1var chai = require('chai');2var expect = chai.expect;3var assert = chai.assert;4var should = chai.should();5describe('assertExist', function() {6    it('should exist', function() {7        var foo = 'bar';8        var tea = {flavors: ['chai', 'matcha', 'oolong']};9        expect(foo).to.be.a('string');10        expect(tea).to.have.property('flavors').with.length(3);11    });12});

Using AI Code Generation

1const assert = require('chai').assert;2const expect = require('chai').expect;3const should = require('chai').should();4const add = require('../src/add.js');5describe('Addition', () => {6    it('should return 5 when 2 + 3', () => {7        expect(add(2, 3)).to.equal(5);8    });9    it('should return 5 when 2 + 3', () => {10        add(2, 3).should.equal(5);11    });12    it('should return 5 when 2 + 3', () => {13        assert.equal(add(2, 3), 5);14    });15    it('should return 5 when 2 + 3', () => {16        add(2, 3).should.be.a('number');17    });18    it('should return 5 when 2 + 3', () => {19        add(2, 3).should.be.equal(5);20    });21    it('should return 5 when 2 + 3', () => {22        add(2, 3).should.not.equal(6);23    });24    it('should return 5 when 2 + 3', () => {25        add(2, 3).should.not.be.a('string');26    });27    it('should return 5 when 2 + 3', () => {28        add(2, 3).should.be.a('number').that.is.equal(5);29    });30    it('should return 5 when 2 + 3', () => {31        add(2, 3).should.be.a('number').that.is.not.equal(6);32    });33    it('should return 5 when 2 + 3', () => {34        add(2, 3).should.be.a('number').that.is.not.equal(6).and.not.be.a('string');35    });36    it('should return 5 when 2 + 3', () => {37        add(2, 3).should.be.a('number').that.is.not.equal(6).and.not.be.a('string').and.be.equal(5);38    });39    it('should return 5 when 2 + 3', () => {

Using AI Code Generation

1var assert = require('chai').assert;2var expect = require('chai').expect;3var should = require('chai').should();4var chai = require('chai');5describe('assertExist', function() {6  it('assertExist', function() {7    var foo = 'bar';8    var tea = {flavors: ['chai', 'matcha', 'oolong']};9    assert.equal(foo, 'bar', 'foo equal `bar`');10    assert.lengthOf(foo, 3, 'foo`s value has a length of 3');11    assert.lengthOf(tea.flavors, 3, 'tea has 3 flavors');12  });13});14var assert = require('chai').assert;15var expect = require('chai').expect;16var should = require('chai').should();17var chai = require('chai');18describe('assertNotExist', function() {19  it('assertNotExist', function() {20    var foo = 'bar';21    var tea = {flavors: ['chai', 'matcha', 'oolong']};22    assert.notTypeOf(foo, 'number');23    assert.notEqual(foo, 'food');24    assert.notOk(foo, 'foo is not defined');25    assert.notInclude(tea.flavors, 'mocha', 'no chai, no milk, no tea');26  });27});28var assert = require('chai').assert;29var expect = require('chai').expect;30var should = require('chai').should();31var chai = require('chai');32describe('assertExist', function() {33  it('assertExist', function() {34    var foo = 'bar';35    var tea = {flavors: ['chai', 'matcha', 'oolong']};36    assert.equal(foo, 'bar', 'foo equal `bar`');37    assert.lengthOf(foo, 3, 'foo`s value has a length of 3');38    assert.lengthOf(tea.flavors, 3, 'tea has

Using AI Code Generation

1var assert = require('chai').assert;2var expect = require('chai').expect;3var should = require('chai').should();4var add = require('../src/add.js');5describe('add', function () {6    it('should return the sum of two numbers', function () {7        assert.equal(add(1, 2), 3);8    });9    it('should return the sum of two numbers', function () {10        expect(add(1, 2)).to.equal(3);11    });12    it('should return the sum of two numbers', function () {13        add(1, 2).should.equal(3);14    });15});

Using AI Code Generation

1var assert = require('chai').assert;2describe('assertExist method', function() {3    it('should return true when the value exists', function() {4        assert.exists('hello');5    });6    it('should return false when the value does not exist', function() {7        assert.notExists(undefined);8    });9});

Using AI Code Generation

1var assert = require('chai').assert;2var expect = require('chai').expect;3var should = require('chai').should();4var myApp = require('../app/library.js');5describe("Test for the function that finds the GCD of two numbers", function() {6  it("should return 4 for 8 and 12", function() {7    assert.equal(myApp.gcd(8, 12), 4);8  });9  it("should return 5 for 15 and 10", function() {10    assert.equal(myApp.gcd(15, 10), 5);11  });12  it("should return 1 for 7 and 13", function() {13    assert.equal(myApp.gcd(7, 13), 1);14  });15});16describe("Test for the function that finds the LCM of two numbers", function() {17  it("should return 24 for 8 and 12", function() {18    assert.equal(myApp.lcm(8, 12), 24);19  });20  it("should return 30 for 15 and 10", function() {21    assert.equal(myApp.lcm(15, 10), 30);22  });23  it("should return 91 for 7 and 13", function() {24    assert.equal(myApp.lcm(7, 13), 91);25  });26});27describe("Test for the function that finds the GCD of an array of numbers", function() {28  it("should return 1 for [1, 2, 3, 4, 5, 6]", function() {29    assert.equal(myApp.findGCD([1, 2, 3, 4, 5, 6]), 1);30  });31  it("should return 2 for [2, 4, 6, 8]", function() {32    assert.equal(myApp.findGCD([2, 4, 6, 8]), 2);33  });34  it("should return 3 for [3, 6, 9, 12]", function() {35    assert.equal(myApp.findGCD([3, 6, 9, 12]), 3);36  });37});38describe("Test for the function that finds the LCM of an array of numbers", function() {39  it("should return 120 for [1, 2, 3

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