How to use memoizeSet method in chai

Best JavaScript code snippet using chai

index.js

Source:index.js

...52 * @param {Mixed} rightHandOperand53 * @param {MemoizeMap} memoizeMap54 * @param {Boolean} result55*/56function memoizeSet(leftHandOperand, rightHandOperand, memoizeMap, result) {57  // Technically, WeakMap keys can *only* be objects, not primitives.58  if (!memoizeMap || isPrimitive(leftHandOperand) || isPrimitive(rightHandOperand)) {59    return;60  }61  var leftHandMap = memoizeMap.get(leftHandOperand);62  if (leftHandMap) {63    leftHandMap.set(rightHandOperand, result);64  } else {65    leftHandMap = new MemoizeMap();66    leftHandMap.set(rightHandOperand, result);67    memoizeMap.set(leftHandOperand, leftHandMap);68  }69}70/*!71 * Primary Export72 */73module.exports = deepEqual;74module.exports.MemoizeMap = MemoizeMap;75/**76 * Assert deeply nested sameValue equality between two objects of any type.77 *78 * @param {Mixed} leftHandOperand79 * @param {Mixed} rightHandOperand80 * @param {Object} [options] (optional) Additional options81 * @param {Array} [options.comparator] (optional) Override default algorithm, determining custom equality.82 * @param {Array} [options.memoize] (optional) Provide a custom memoization object which will cache the results of83    complex objects for a speed boost. By passing `false` you can disable memoization, but this will cause circular84    references to blow the stack.85 * @return {Boolean} equal match86 */87function deepEqual(leftHandOperand, rightHandOperand, options) {88  // If we have a comparator, we can't assume anything; so bail to its check first.89  if (options && options.comparator) {90    return extensiveDeepEqual(leftHandOperand, rightHandOperand, options);91  }92  var simpleResult = simpleEqual(leftHandOperand, rightHandOperand);93  if (simpleResult !== null) {94    return simpleResult;95  }96  // Deeper comparisons are pushed through to a larger function97  return extensiveDeepEqual(leftHandOperand, rightHandOperand, options);98}99/**100 * Many comparisons can be canceled out early via simple equality or primitive checks.101 * @param {Mixed} leftHandOperand102 * @param {Mixed} rightHandOperand103 * @return {Boolean|null} equal match104 */105function simpleEqual(leftHandOperand, rightHandOperand) {106  // Equal references (except for Numbers) can be returned early107  if (leftHandOperand === rightHandOperand) {108    // Handle +-0 cases109    return leftHandOperand !== 0 || 1 / leftHandOperand === 1 / rightHandOperand;110  }111  // handle NaN cases112  if (113    leftHandOperand !== leftHandOperand && // eslint-disable-line no-self-compare114    rightHandOperand !== rightHandOperand // eslint-disable-line no-self-compare115  ) {116    return true;117  }118  // Anything that is not an 'object', i.e. symbols, functions, booleans, numbers,119  // strings, and undefined, can be compared by reference.120  if (isPrimitive(leftHandOperand) || isPrimitive(rightHandOperand)) {121    // Easy out b/c it would have passed the first equality check122    return false;123  }124  return null;125}126/*!127 * The main logic of the `deepEqual` function.128 *129 * @param {Mixed} leftHandOperand130 * @param {Mixed} rightHandOperand131 * @param {Object} [options] (optional) Additional options132 * @param {Array} [options.comparator] (optional) Override default algorithm, determining custom equality.133 * @param {Array} [options.memoize] (optional) Provide a custom memoization object which will cache the results of134    complex objects for a speed boost. By passing `false` you can disable memoization, but this will cause circular135    references to blow the stack.136 * @return {Boolean} equal match137*/138function extensiveDeepEqual(leftHandOperand, rightHandOperand, options) {139  options = options || {};140  options.memoize = options.memoize === false ? false : options.memoize || new MemoizeMap();141  var comparator = options && options.comparator;142  // Check if a memoized result exists.143  var memoizeResultLeft = memoizeCompare(leftHandOperand, rightHandOperand, options.memoize);144  if (memoizeResultLeft !== null) {145    return memoizeResultLeft;146  }147  var memoizeResultRight = memoizeCompare(rightHandOperand, leftHandOperand, options.memoize);148  if (memoizeResultRight !== null) {149    return memoizeResultRight;150  }151  // If a comparator is present, use it.152  if (comparator) {153    var comparatorResult = comparator(leftHandOperand, rightHandOperand);154    // Comparators may return null, in which case we want to go back to default behavior.155    if (comparatorResult === false || comparatorResult === true) {156      memoizeSet(leftHandOperand, rightHandOperand, options.memoize, comparatorResult);157      return comparatorResult;158    }159    // To allow comparators to override *any* behavior, we ran them first. Since it didn't decide160    // what to do, we need to make sure to return the basic tests first before we move on.161    var simpleResult = simpleEqual(leftHandOperand, rightHandOperand);162    if (simpleResult !== null) {163      // Don't memoize this, it takes longer to set/retrieve than to just compare.164      return simpleResult;165    }166  }167  var leftHandType = type(leftHandOperand);168  if (leftHandType !== type(rightHandOperand)) {169    memoizeSet(leftHandOperand, rightHandOperand, options.memoize, false);170    return false;171  }172  // Temporarily set the operands in the memoize object to prevent blowing the stack173  memoizeSet(leftHandOperand, rightHandOperand, options.memoize, true);174  var result = extensiveDeepEqualByType(leftHandOperand, rightHandOperand, leftHandType, options);175  memoizeSet(leftHandOperand, rightHandOperand, options.memoize, result);176  return result;177}178function extensiveDeepEqualByType(leftHandOperand, rightHandOperand, leftHandType, options) {179  switch (leftHandType) {180    case 'String':181    case 'Number':182    case 'Boolean':183    case 'Date':184      // If these types are their instance types (e.g. `new Number`) then re-deepEqual against their values185      return deepEqual(leftHandOperand.valueOf(), rightHandOperand.valueOf());186    case 'Promise':187    case 'Symbol':188    case 'function':189    case 'WeakMap':...

UserFileRepository.js

Source:UserFileRepository.js

...32      username,33    };34    return await this.create(modelToSave);35  };36  @memoizeSet()37  async create(user: $Shape<User>): Promise<User> {38    let id = uuid();39    while (await this._fileManager.hasFile(`${id}.json`)) {40      id = uuid();41    }42    const modelToSave = {43      ...user,44      created_at: new Date(),45      created_by: null,46      id,47    };48    this._fileManager.createFile(`${modelToSave.id}.json`, modelToSave);49    return modelToSave;50  }51  deleteAccessToken = async (userID: string, token: string): Promise<User> => {52    const user = await this.getByID(userID);53    if (!user) {54      throw new Error("User doesn't exist");55    }56    return await this.updateByID(userID, {57      accessTokens: user.accessTokens.filter(58        (tokenObject: TokenObject): boolean =>59          tokenObject.accessToken !== token,60      ),61    });62  };63  @memoizeSet(['id'])64  async deleteByID(id: string): Promise<void> {65    this._fileManager.deleteFile(`${id}.json`);66  }67  @memoizeGet()68  async getAll(): Promise<Array<User>> {69    return this._fileManager.getAllData();70  }71  // This isn't a good one to memoize as we can't key off user ID and there72  // isn't a good way to clear the cache.73  getByAccessToken = async (accessToken: string): Promise<?User> =>74    (await this.getAll()).find((user: User): boolean =>75      user.accessTokens.some(76        (tokenObject: TokenObject): boolean =>77          tokenObject.accessToken === accessToken,78      ),79    );80  @memoizeGet(['id'])81  async getByID(id: string): Promise<?User> {82    return this._fileManager.getFile(`${id}.json`);83  }84  @memoizeGet(['username'])85  async getByUsername(username: string): Promise<?User> {86    return (await this.getAll()).find(87      (user: User): boolean => user.username === username,88    );89  }90  getCurrentUser = (): User => this._currentUser;91  @memoizeGet(['username'])92  async isUserNameInUse(username: string): Promise<boolean> {93    return (await this.getAll()).some(94      (user: User): boolean => user.username === username,95    );96  }97  saveAccessToken = async (98    userID: string,99    tokenObject: TokenObject,100  ): Promise<*> => {101    const user = await this.getByID(userID);102    if (!user) {103      throw new HttpError('Could not find user for user ID');104    }105    return await this.updateByID(userID, {106      accessTokens: [...user.accessTokens, tokenObject],107    });108  };109  setCurrentUser = (user: User) => {110    this._currentUser = user;111  };112  @memoizeSet()113  async updateByID(id: string, props: $Shape<User>): Promise<User> {114    const user = await this.getByID(id);115    const modelToSave = { ...(user || {}), ...props };116    this._fileManager.writeFile(`${id}.json`, modelToSave);117    return modelToSave;118  }119  validateLogin = async (username: string, password: string): Promise<User> => {120    try {121      const user = await this.getByUsername(username);122      if (!user) {123        throw new Error("User doesn't exist");124      }125      const hash = await PasswordHasher.hash(password, user.salt);126      if (hash !== user.passwordHash) {...

WebhookFileRepository.js

Source:WebhookFileRepository.js

...8  constructor(path: string) {9    this._fileManager = new JSONFileManager(path);10  }11  count = async (): Promise<number> => this._fileManager.count();12  @memoizeSet()13  async create(model: WebhookMutator): Promise<Webhook> {14    let id = uuid();15    while (await this._fileManager.hasFile(`${id}.json`)) {16      id = uuid();17    }18    const modelToSave = {19      ...model,20      created_at: new Date(),21      id,22    };23    this._fileManager.createFile(`${modelToSave.id}.json`, modelToSave);24    return modelToSave;25  }26  @memoizeSet(['id'])27  async deleteByID(id: string): Promise<void> {28    this._fileManager.deleteFile(`${id}.json`);29  }30  getAll = async (userID: ?string = null): Promise<Array<Webhook>> => {31    const allData = await this._getAll();32    if (userID) {33      return allData.filter(34        (webhook: Webhook): boolean => webhook.ownerID === userID,35      );36    }37    return allData;38  };39  @memoizeGet(['id'])40  async getByID(id: string): Promise<?Webhook> {...

Using AI Code Generation

1var chai = require('chai');2var chaiMemoize = require('chai-memoize');3chai.use(chaiMemoize);4var expect = chai.expect;5var assert = chai.assert;6var memoizeSet = chai.memoizeSet;7var memoize = chai.memoize;8describe('memoizeSet', function(){9  it('should return the same value when called with the same arguments', function(){10    var fn = function(a, b) {11      return a + b;12    };13    var memoizedFn = memoizeSet(fn);14    var result = memoizedFn(1, 2);15    var result2 = memoizedFn(1, 2);16    expect(result).to.equal(result2);17  });18  it('should not return the same value when called with different arguments', function(){19    var fn = function(a, b) {20      return a + b;21    };22    var memoizedFn = memoizeSet(fn);23    var result = memoizedFn(1, 2);24    var result2 = memoizedFn(1, 3);25    expect(result).to.not.equal(result2);26  });27  it('should not return the same value when called with different arguments', function(){28    var fn = function(a, b) {29      return a + b;30    };31    var memoizedFn = memoizeSet(fn);32    var result = memoizedFn(1, 2);33    var result2 = memoizedFn(1, 3);34    expect(result).to.not.equal(result2);35  });36  it('should not return the same value when called with different arguments', function(){37    var fn = function(a, b) {38      return a + b;39    };40    var memoizedFn = memoizeSet(fn);41    var result = memoizedFn(1, 2);42    var result2 = memoizedFn(1, 3);43    expect(result).to.not.equal(result2);44  });45  it('should return the same value when called with the same arguments', function(){46    var fn = function(a, b) {47      return a + b;48    };49    var memoizedFn = memoizeSet(fn);50    var result = memoizedFn(1, 2);51    var result2 = memoizedFn(1, 2);52    expect(result).to.equal(result2);53  });54  it('should not return the same

Using AI Code Generation

1const chain = require('./chain');2let add = (a,b) => a+b;3let multiply = (a,b) => a*b;4let divide = (a,b) => a/b;5let subtract = (a,b) => a-b;6let memoizedAdd = chain.memoizeSet(add);

Using AI Code Generation

1var chai = require('chai');2var expect = chai.expect;3var chaiMemoize = require('chai-memoize');4chai.use(chaiMemoize);5describe('memoizeSet', function() {6  it('should memoize a function', function() {7    var counter = 0;8    var fn = function() {9      counter++;10    };11    var memoizedFn = chai.memoizeSet(fn);12    memoizedFn();13    memoizedFn();14    expect(counter).to.equal(1);15  });16});

Using AI Code Generation

1var chai = require('chai');2var expect = chai.expect;3var memoizeSet = require('memoize-set');4chai.use(memoizeSet);5var chai = require('chai');6var expect = chai.expect;7var memoizeSet = require('memoize-set');8chai.use(memoizeSet);9describe('memoizeSet', function() {10  it('should memoize a function', function() {11    var counter = 0;12    function add(a, b) {13      counter++;14      return a + b;15    }16    var memoizedAdd = memoizeSet(add);17    expect(memoizedAdd(1, 2)).to.equal(3);18    expect(memoizedAdd(1, 2)).to.equal(3);19    expect(memoizedAdd(1, 2)).to.equal(3);20    expect(counter).to.equal(1);21  });22  it('should not memoize a function with a non-primitive argument', function() {23    var counter = 0;24    function add(a, b) {25      counter++;26      return a + b;27    }28    var memoizedAdd = memoizeSet(add);29    expect(memoizedAdd(1, {})).to.equal(1, {});30    expect(memoizedAdd(1, {})).to.equal(1, {});31    expect(memoizedAdd(1, {})).to.equal(1, {});32    expect(counter).to.equal(3);33  });34  it('should memoize a function with a custom key generator', function() {35    var counter = 0;36    function add(a, b) {37      counter++;38      return a + b;39    }40    var memoizedAdd = memoizeSet(add, function(a, b) {41      return a + b;42    });43    expect(memoizedAdd(1, 2)).to.equal(3);44    expect(memoizedAdd(1, 2)).to.equal(3);45    expect(memoizedAdd(1, 2)).to.equal(3);46    expect(counter).to.equal(1);47  });48  it('should memoize a function with a custom key generator that returns an array', function() {49    var counter = 0;50    function add(a, b) {51      counter++;52      return a + b;53    }54    var memoizedAdd = memoizeSet(add

Using AI Code Generation

1const chainable = require('chainable');2const memoizeSet = require('memoize-set');3chainable.use(memoizeSet);4const obj = chainable({ a: 1, b: 2, c: 3, d: 4 });5obj.memoizeSet('a', 'b', 'c', 'd');6const chainable = require('chainable');7const memoizeSet = require('memoize-set');8chainable.use(memoizeSet);9const obj = chainable({ a: 1, b: 2, c: 3, d: 4 });10obj.memoizeSet('a', 'b', 'c', 'd');11const chainable = require('chainable');12const memoizeSet = require('memoize-set');13chainable.use(memoizeSet);14const obj = chainable({ a: 1, b: 2, c: 3, d: 4 });15obj.memoizeSet('a', 'b', 'c', 'd');16const chainable = require('chainable');17const memoizeSet = require('memoize-set');18chainable.use(memoizeSet);19const obj = chainable({ a: 1, b: 2, c: 3, d: 4 });20obj.memoizeSet('a', 'b', 'c', 'd');

Using AI Code Generation

1const { Chain } = require("fluid-chains");2const { memoizeSet } = require("fluid-memoize");3const chain = new Chain("chain", (context, param, next) => {4  context.set("result", param.result());5  next();6});7chain.addSpec("result", true);8memoizeSet(chain, "result", (context, param) => {9  return param.result();10});11chain.execute({ result: "test" }, (result) => {12  console.log(result);13});14chain.execute({ result: "test" }, (result) => {15  console.log(result);16});17### memoizeSet(chain, key, value, options)

Using AI Code Generation

1const { memoizeSet } = require('./memoize-set');2const identity = x => x;3const addOne = x => x + 1;4const double = x => x * 2;5const triple = x => x * 3;6const subtractFour = x => x - 4;7const divideByFive = x => x / 5;8const addSix = x => x + 6;9const multiplyBySeven = x => x * 7;10const divideByEight = x => x / 8;11const addNine = x => x + 9;12const multiplyByTen = x => x * 10;13const subtractEleven = x => x - 11;14const divideByTwelve = x => x / 12;15const addThirteen = x => x + 13;16const multiplyByFourteen = x => x * 14;

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.