KaneAI - World’s First E2E Software Testing Agent.Book a Demo 
How to use createFilterFn method in Testcafe
Best JavaScript code snippet using testcafe
Store-min.js
Source:Store-min.js 
...295 }296 return B297 },298 filter : function(D, C, E, A) {299 var B = this.createFilterFn(D, C, E, A);300 return B ? this.filterBy(B) : this.clearFilter()301 },302 filterBy : function(B, A) {303 this.snapshot = this.snapshot || this.data;304 this.data = this.queryBy(B, A || this);305 this.fireEvent("datachanged", this)306 },307 query : function(D, C, E, A) {308 var B = this.createFilterFn(D, C, E, A);309 return B ? this.queryBy(B) : this.data.clone()310 },311 queryBy : function(B, A) {312 var C = this.snapshot || this.data;313 return C.filterBy(B, A || this)314 },315 find : function(D, C, F, E, A) {316 var B = this.createFilterFn(D, C, E, A);317 return B ? this.data.findIndexBy(B, null, F) : -1318 },319 findBy : function(B, A, C) {320 return this.data.findIndexBy(B, A, C)321 },322 collect : function(G, H, B) {323 var F = (B === true && this.snapshot)324 ? this.snapshot.items325 : this.data.items;326 var I, J, A = [], C = {};327 for (var D = 0, E = F.length; D < E; D++) {328 I = F[D].data[G];329 J = String(I);330 if ((H || !Ext.isEmpty(I)) && !C[J]) {...
other.test.js
Source:other.test.js
...67 })68})69describe('Utils: other/createFilterFn', () => {70 const keys = ['a', 'b']71 const filterFn = createFilterFn(keys)72 const value = ''73 test('should return a function', () => {74 expect(filterFn).toBeInstanceOf(Function)75 })76 test('should return true when the key is part of the list', () => {77 const key = 'a'78 expect(filterFn(value, key)).toBeTruthy()79 })80 test('should return false when the key is not part of the list', () => {81 const key = 'z'82 expect(filterFn(value, key)).toBeFalsy()83 })84})85describe('Utils: other/isDefined', () => {...
Filter.js
Source:Filter.js
...64 setValue: function (value) {65 this.value = value;66 if (this.property === undefined || this.value === undefined) {67 } else {68 this.filter = this.createFilterFn();69 }70 this.filterFn = this.filter;71 },72 setFilterFn: function (filterFn) {73 this.filterFn = this.filter = filterFn;74 },75 createFilterFn: function () {76 var me = this, matcher = this._createValueMatcher(),77 property = this.property;78 if (this.operator) {79 return this.operatorFns[this.operator];80 } else {81 return function (item) {82 var value = me.getRoot.call(me, item)[property];...
filter.model.spec.js
Source:filter.model.spec.js
...51 return models.filter.createFilter(filter)52 .then(shared.throwingHandler, shared.expectedErrorHandler('filterMalformedNoAnswers'));53 });54 _.range(20).forEach((index) => {55 it(`create filter ${index}`, tests.createFilterFn());56 it(`get filter ${index}`, tests.getFilterFn(index));57 });58 it('list filters', tests.listFiltersFn(20));59 [5, 11].forEach((index) => {60 it(`delete filter ${index}`, tests.deleteFilterFn(index));61 });62 it('list filters', tests.listFiltersFn(18));63 _.range(20, 30).forEach((index) => {64 it(`create filter ${index}`, tests.createFilterFn());65 it(`get filter ${index}`, tests.getFilterFn(index));66 });67 it('list filters', tests.listFiltersFn(28));68 [20, 21].forEach((index) => {69 const fields = ['name'];70 it(`patch filter ${index} name`, tests.patchFilterFn(index, fields));71 it(`verify filter ${index}`, tests.verifyFilterFn(index));72 });73 [22, 23].forEach((index) => {74 const fields = ['name'];75 it(`patch filter ${index} name`, tests.patchFilterFn(index, fields));76 it(`verify filter ${index}`, tests.verifyFilterFn(index));77 });78 [24, 25].forEach((index) => {79 const fields = ['questions'];80 it(`patch filter ${index} name`, tests.patchFilterFn(index, fields));81 it(`verify filter ${index}`, tests.verifyFilterFn(index));82 });83 [26, 27].forEach((index) => {84 const fields = ['name', 'questions'];85 it(`patch filter ${index} name`, tests.patchFilterFn(index, fields));86 it(`verify filter ${index}`, tests.verifyFilterFn(index));87 });88 it('list filters', tests.listFiltersFn(28));89 _.range(30, 40).forEach((index) => {90 it(`create filter ${index}`, tests.createFilterFn());91 it(`get filter ${index}`, tests.getFilterFn(index));92 });93 it('list filters', tests.listFiltersFn(38));...
console.js
Source:console.js
1#!/usr/bin/env node2"use strict";3const colors = require('colors/safe');4const { createRepl, databaseRepl, getDbReplDefaultOptions, showPending, prompt } = require('../lib/repl');5const msgpack = require('msgpack-lite');6const DB = require('../lib');7const { Item } = require('../lib/collection/item');8const { Collection } = require('../lib/collection');9const { iter, orderBy, range, times, Iterator, createFilterFn } = require('../lib/iter');10const databaseName = process.argv[2] || 'cellestial';11const createExampleDb = require(`../example/${databaseName}`);12console.log("----------------------------");13console.log("node-streamdb REPL, welcome!");14console.log("----------------------------");15createRepl().then(repl => {16 repl.on('exitsafe', () => {17 console.log('Received "exit" event from repl!');18 process.exit();19 });20 repl.on('reset', initializeContext);21 databaseRepl(repl, {databaseName});22 const ben = require('ben');23 function initializeContext(context) {24 createExampleDb().then(db => {25 console.log(colors.green('\nDatabase ready!'));26 context.database = db;27 context.db = db.collections;28 db.on('error', err => {29 console.log("%s %s", colors.red('ERROR'), err);30 if (err.stack) console.warn(err.stack);31 prompt(repl);32 })33 .on('version', ver => {34 console.log("DB schema version tag accepted: %s", colors.green(ver.version));35 prompt(repl);36 })37 .on('updateRejection', (err, args, idx)=> {38 console.log("%s %s", colors.red('UPDATE REJECTED'), err);39 console.log(colors.grey("Rejected updates:"));40 showPending(args, idx);41 prompt(repl);42 });43 repl.resetDatabasePrompt();44 prompt(repl);45 }).catch(err => console.warn(err.stack));46 Object.assign(context, {47 colors48 , ri: repl49 , opt: getDbReplDefaultOptions()50 , msgpack51 , ben52 , DB53 , Item54 , Collection55 , iter56 , orderBy57 , range58 , times59 , Iterator60 , createFilterFn61 });62 }63 initializeContext(repl.context);...
get-filter-fn.js
Source:get-filter-fn.js
...32export default function (opts) {33 const filteringOpts = pick(opts, Object.keys(FILTERING_OPTIONS));34 if (isAllFilteringOptionsAreUndefined(filteringOpts))35 return void 0;36 return Object.assign(createFilterFn(filteringOpts), filteringOpts);...
filter_function_test.mjs
Source:filter_function_test.mjs
1import {assertEquals, unitTest} from "./test_util.mjs";2const {createFilterFn} = Deno[Deno.internal];3unitTest(function filterAsString() {4 const filterFn = createFilterFn("my-test");5 const tests = [6 {7 fn() {8 },9 name: "my-test"10 },11 {12 fn() {13 },14 name: "other-test"15 }16 ];17 const filteredTests = tests.filter(filterFn);18 assertEquals(filteredTests.length, 1);19});20unitTest(function filterAsREGEX() {21 const filterFn = createFilterFn("/.+-test/");22 const tests = [23 {24 fn() {25 },26 name: "my-test"27 },28 {29 fn() {30 },31 name: "other-test"32 }33 ];34 const filteredTests = tests.filter(filterFn);35 assertEquals(filteredTests.length, 2);36});37unitTest(function filterAsEscapedREGEX() {38 const filterFn = createFilterFn("/\\w+-test/");39 const tests = [40 {41 fn() {42 },43 name: "my-test"44 },45 {46 fn() {47 },48 name: "other-test"49 }50 ];51 const filteredTests = tests.filter(filterFn);52 assertEquals(filteredTests.length, 2);...
Using AI Code Generation
1import { Selector } from 'testcafe';2test('My first test', async t => {3 .typeText('#developer-name', 'John Smith')4 .click('#submit-button');5});6import { Selector } from 'testcafe';7test('My first test', async t => {8 .typeText('#developer-name', 'John Smith')9 .click('#submit-button');10});11import { Selector } from 'testcafe';12test('My first test', async t => {13 .typeText('#developer-name', 'John Smith')14 .click('#submit-button');15});16import { Selector } from 'testcafe';17test('My first test', async t => {18 .typeText('#developer-name', 'John Smith')19 .click('#submit-button');20});21import { Selector } from 'testcafe';22test('My first test', async t => {23 .typeText('#developer-name', 'John Smith')24 .click('#submit-button');25});26import { Selector } from 'testcafe';27test('My first test', async t => {28 .typeText('#developer-name', 'John Smith')29 .click('#submit-button');30});31import { Selector } from 'testcafe';32test('My first test',
Using AI Code Generation
1import { Selector } from 'testcafe';2test('My first test', async t => {3 const selectCountry = Selector('select').withText('Select');4 const selectCountry1 = Selector('select').withText('Select').createFilterFn((node, idx) => {5 console.log("node", node);6 console.log("idx", idx);7 });8 .click(selectCountry)9 .click(selectCountry1);10});11import { Selector } from 'testcafe';12test('My first test', async t => {13 const selectCountry = Selector('select').withText('Select');14 const selectCountry1 = Selector('select').withText('Select').createFilterFn((node, idx) => {15 console.log("node", node);16 console.log("idx", idx);17 });18 .click(selectCountry)19 .click(selectCountry1);20});21import { Selector } from 'testcafe';22test('My first test', async t => {23 const selectCountry = Selector('select').withText('Select');24 const selectCountry1 = Selector('select').withText('Select').createFilterFn((node, idx) => {25 console.log("node", node);26 console.log("idx", idx);27 });28 .click(selectCountry)29 .click(selectCountry1);30});31import { Selector } from 'testcafe';32test('My first test', async t => {33 const selectCountry = Selector('select').withText('Select');34 const selectCountry1 = Selector('select').withText('Select').createFilterFn((node, idx) => {35 console.log("node", node);36 console.log("idx", idx);
Using AI Code Generation
1import { Selector } from 'testcafe';2test('My Test', async t => {3 const filterFn = Selector('div').createFilterFn(div => div.id === 'myID');4 const myDiv = Selector(filterFn).nth(0);5 const myDivText = await myDiv.innerText;6});7import { ClientFunction } from 'testcafe';8test('My Test', async t => {9 const filterFn = ClientFunction((selector, filter) => {10 return selector.filter(filter).nth(0);11 });12 const myDiv = await filterFn(Selector('div'), div => div.id === 'myID');13 const myDivText = await myDiv.innerText;14});
Using AI Code Generation
1import { Selector } from 'testcafe';2test('My Test', async t => {3 const input = Selector('input');4 .click(input)5 .typeText(input, 'Hello World!');6});7import { Selector } from 'testcafe';8test('My Test', async t => {9 const input = Selector('input');10 .click(input)11 .typeText(input, 'Hello World!');12});13import { Selector } from 'testcafe';14test('My Test', async t => {15 const input = Selector('input');16 .click(input)17 .typeText(input, 'Hello World!');18});19import { Selector } from 'testcafe';20test('My Test', async t => {21 const input = Selector('input');22 .click(input)23 .typeText(input, 'Hello World!');24});25import { Selector } from 'testcafe';26test('My Test', async t => {27 const input = Selector('input');28 .click(input)29 .typeText(input, 'Hello World!');30});31import { Selector } from 'testcafe';32test('My Test', async t => {33 const input = Selector('input');34 .click(input)35 .typeText(input, 'Hello World!');36});37import { Selector } from 'testcafe';38test('My Test', async t => {39 const input = Selector('input');
Using AI Code Generation
1import { Selector, t } from 'testcafe';2import { createFilterFn } from 'testcafe-hammerhead';3test('test', async t => {4 const filterFn = createFilterFn(code => code.indexOf('testcafe') > -1);5 t.ctx.testRun.once('start', () => {6 t.ctx.testRun.hammerhead.on('script', filterFn);7 });8 .expect(Selector('#target').textContent).eql('TestCafe');9});10import { createFilterFn } from 'testcafe-hammerhead';11const filterFn = createFilterFn(code => code.indexOf('testcafe') > -1);12window['%hammerhead%'].on('script', filterFn);13import { createFilterFn } from 'testcafe-hammerhead';14const filterFn = createFilterFn(code => code.indexOf('testcafe') > -1);15await t.setNativeDialogHandler(() => true);16await t.ctx.testRun.hammerhead.on('script', filterFn);17 .expect(Selector('#target').textContent).eql('TestCafe');
Using AI Code Generation
1import { Selector } from 'testcafe';2const createFilterFn = Selector((selector, match) => {3 const elements = document.querySelectorAll(selector);4 for (let i = 0; i < elements.length; i++) {5 const element = elements[i];6 if (match(element))7 return element;8 }9});10const getButtonByText = Selector((text) => {11 return createFilterFn('button', (el) => {12 return el.textContent === text;13 });14});15test('My Test', async t => {16 .click(getButtonByText('Submit'));17});
Using AI Code Generation
1import { Selector } from 'testcafe';2const selector = Selector('div').withAttribute('data-test', 'test');3const filteredSelector = selector.createFilterFn(node => node.id === 'test-id');4const filteredElement = await filteredSelector();5export default class Test {6 async test() {7 console.log(await filteredElement());8 }9}10import { Selector } from 'testcafe';11const selector = Selector('div').withAttribute('data-test', 'test');12const filteredSelector = selector.createFilterFn(node => node.id === 'test-id');13const filteredElement = await filteredSelector();14export default class Test2 {15 async test() {16 console.log(await filteredElement());17 }18}19Your name to display (optional):20Your name to display (optional):21Your name to display (optional):
Using AI Code Generation
1import { Selector } from 'testcafe';2export const createFilterFn = (selector, filter) => {3 return selector.nth(filter);4};5const filter = 2;6test('My first test', async t => {7 const filterFn = createFilterFn(Selector('#preferred-interface'), filter);8 .click(filterFn);9});10import { Selector } from 'testcafe';11export const createFilterFn = (selector, filter) => {12 return selector.nth(filter);13};14const filter = 2;15test('My first test', async t => {16 const filterFn = createFilterFn(Selector('#preferred-interface'), filter);17 .click(filterFn);18});19Your name to display (optional):20Your name to display (optional):21Your name to display (optional):22Your name to display (optional):23Your name to display (optional):24Your name to display (optional):
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.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run Testcafe automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
