How to use executeAsyncJsExpression method in Testcafe

Best JavaScript code snippet using testcafe

index.js

Source:index.js

1import { runInContext } from 'vm';2import {3    GeneralError,4    TestCompilationError,5    APIError,6    CompositeError,7} from '../../errors/runtime';8import { UncaughtErrorInCustomScript, UncaughtTestCafeErrorInCustomScript } from '../../errors/test-run';9import { setContextOptions, DEFAULT_CONTEXT_OPTIONS } from '../../api/test-controller/execution-context';10import {11    ERROR_LINE_COLUMN_REGEXP,12    ERROR_FILENAME,13    ERROR_LINE_OFFSET,14} from './constants';15import TestRunTracker from '../../api/test-run-tracker';16// NOTE: do not beautify this code since offsets for error lines and columns are coded here17function wrapInAsync (expression, testRunId) {18    return `(async function ${TestRunTracker.getMarkedFnName(testRunId)} () {\n` +19           expression + ';\n' +20           '});';21}22function getErrorLineColumn (err) {23    if (err.isTestCafeError) {24        if (!err.callsite)25            return {};26        if (err.callsite.id)27            return { line: 0, column: 0 };28        const stackFrames = err.callsite.stackFrames || [];29        const frameIndex  = err.callsite.callsiteFrameIdx;30        const stackFrame  = stackFrames[frameIndex];31        return stackFrame ? {32            line:   stackFrame.getLineNumber(),33            column: stackFrame.getColumnNumber(),34        } : {};35    }36    const result = err.stack && err.stack.match(ERROR_LINE_COLUMN_REGEXP);37    if (!result)38        return {};39    const line   = result[1] ? parseInt(result[1], 10) : void 0;40    const column = result[2] ? parseInt(result[2], 10) : void 0;41    return { line, column };42}43function createErrorFormattingOptions () {44    return {45        filename:   ERROR_FILENAME,46        lineOffset: ERROR_LINE_OFFSET,47    };48}49function getExecutionContext (testController, options = DEFAULT_CONTEXT_OPTIONS) {50    const context = testController.getExecutionContext();51    // TODO: Find a way to avoid this assignment52    setContextOptions(context, options);53    return context;54}55function isRuntimeError (err) {56    return err instanceof GeneralError ||57           err instanceof TestCompilationError ||58           err instanceof APIError ||59           err instanceof CompositeError;60}61export function executeJsExpression (expression, testRun, options) {62    const context      = getExecutionContext(testRun.controller, options);63    const errorOptions = createErrorFormattingOptions();64    return runInContext(expression, context, errorOptions);65}66export async function executeAsyncJsExpression (expression, testRun, callsite, onBeforeRaisingError) {67    if (!expression || !expression.length)68        return Promise.resolve();69    const context           = getExecutionContext(testRun.controller);70    const errorOptions      = createErrorFormattingOptions(expression);71    const wrappedExpression = wrapInAsync(expression, testRun.id);72    try {73        return await runInContext(wrappedExpression, context, errorOptions)();74    }75    catch (err) {76        const { line, column } = getErrorLineColumn(err);77        let resultError        = null;78        if (err.isTestCafeError || isRuntimeError(err))79            resultError = new UncaughtTestCafeErrorInCustomScript(err, expression, line, column, callsite);80        else81            resultError = new UncaughtErrorInCustomScript(err, expression, line, column, callsite);82        if (onBeforeRaisingError)83            await onBeforeRaisingError(resultError);84        throw resultError;85    }...

execute-js-expression.js

Source:execute-js-expression.js

1import { runInContext } from 'vm';2import {3    GeneralError,4    TestCompilationError,5    APIError,6    CompositeError7} from '../errors/runtime';8import { UncaughtErrorInCustomScript, UncaughtTestCafeErrorInCustomScript } from '../errors/test-run';9import { setContextOptions } from '../api/test-controller/execution-context';10const ERROR_LINE_COLUMN_REGEXP = /\[JS code\]:(\d+):(\d+)/;11const ERROR_LINE_OFFSET        = -1;12// NOTE: do not beautify this code since offsets for error lines and columns are coded here13function wrapInAsync (expression) {14    return '(async function() {\n' +15           expression + ';\n' +16           '});';17}18function getErrorLineColumn (err) {19    if (err.isTestCafeError) {20        if (!err.callsite)21            return {};22        const stackFrames = err.callsite.stackFrames || [];23        const frameIndex  = err.callsite.callsiteFrameIdx;24        const stackFrame  = stackFrames[frameIndex];25        return stackFrame ? {26            line:   stackFrame.getLineNumber(),27            column: stackFrame.getColumnNumber()28        } : {};29    }30    const result = err.stack && err.stack.match(ERROR_LINE_COLUMN_REGEXP);31    if (!result)32        return {};33    const line   = result[1] ? parseInt(result[1], 10) : void 0;34    const column = result[2] ? parseInt(result[2], 10) : void 0;35    return { line, column };36}37function createErrorFormattingOptions () {38    return {39        filename:   '[JS code]',40        lineOffset: ERROR_LINE_OFFSET41    };42}43function getExecutionContext (testController, options = {}) {44    const context = testController.getExecutionContext();45    // TODO: Find a way to avoid this assignment46    setContextOptions(context, options);47    return context;48}49function isRuntimeError (err) {50    return err instanceof GeneralError ||51           err instanceof TestCompilationError ||52           err instanceof APIError ||53           err instanceof CompositeError;54}55export function executeJsExpression (expression, testRun, options) {56    const context      = getExecutionContext(testRun.controller, options);57    const errorOptions = createErrorFormattingOptions();58    return runInContext(expression, context, errorOptions);59}60export async function executeAsyncJsExpression (expression, testRun, callsite) {61    if (!expression || !expression.length)62        return Promise.resolve();63    const context      = getExecutionContext(testRun.controller);64    const errorOptions = createErrorFormattingOptions(expression);65    try {66        return await runInContext(wrapInAsync(expression), context, errorOptions)();67    }68    catch (err) {69        const { line, column } = getErrorLineColumn(err);70        if (err.isTestCafeError || isRuntimeError(err))71            throw new UncaughtTestCafeErrorInCustomScript(err, expression, line, column, callsite);72        throw new UncaughtErrorInCustomScript(err, expression, line, column, callsite);73    }...

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        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');6});7test('My second test', async t => {8        .executeAsyncJsExpression(function(){9            var callback = arguments[arguments.length - 1];10            var xhr = new XMLHttpRequest();11            xhr.onreadystatechange = function() {12                if (xhr.readyState == 4 && xhr.status == 200) {13                    callback(xhr.responseText);14                }15            };16            xhr.send();17        })18        .then(function(response){19            console.log(response);20        });21});22 2 passed (1s)

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        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');6});7import { Selector } from 'testcafe';8test('My first test', async t => {9        .typeText('#developer-name', 'John Smith')10        .click('#submit-button')11        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');12});

Using AI Code Generation

1import { Selector } from 'testcafe';2test('My test', async t => {3        .click('#populate')4        .click('#submit-button')5        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');6});7import { By, Key, until } from 'selenium-webdriver';8import chrome from 'selenium-webdriver/chrome';9import { Builder } from 'selenium-webdriver/chrome';10(async function example() {11    let driver = new Builder()12        .forBrowser('chrome')13        .setChromeOptions(new chrome.Options().headless())14        .build();15    await driver.findElement(By.id('populate')).click();16    await driver.findElement(By.id('submit-button')).click();17    let articleHeader = await driver.findElement(By.id('article-header'));18    await driver.wait(until.elementTextIs(articleHeader, 'Thank you, John Smith!'));19    await driver.quit();20})();

Using AI Code Generation

1import { ClientFunction } from 'testcafe';2test('My first test', async t => {3    const getTitle = ClientFunction(() => document.title);4        .typeText('#developer-name', 'John Smith')5        .click('#submit-button')6        .expect(getTitle()).eql('Thank you!');7});8import { Selector } from 'testcafe';9test('My first test', async t => {10        .typeText('#developer-name', 'John Smith')11        .click('#submit-button')12        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');13});14import { Selector } from 'testcafe';15test('My first test', async t => {16        .typeText('#developer-name', 'John Smith')17        .click('#submit-button')18        .expect(Selector('title').innerText).eql('Thank you, John Smith!');19});20import { Selector } from 'testcafe';21test('My first test', async t => {22        .typeText('#developer-name', 'John Smith')23        .click('#submit-button')24        .expect(Selector('title').innerText).eql('Thank you, John Smith!');25});

Using AI Code Generation

1import { Selector, t } from 'testcafe';2test('My first test', async t => {3        .typeText('#developer-name', 'John Smith')4        .click('#submit-button')5        .click('#tried-test-cafe')6        .typeText('#comments', 'I like TestCafe!')7        .click('#submit-button')8        .wait(5000);9});10import { Selector, t } from 'testcafe';11test('My first test', async t => {12        .typeText('#developer-name', 'John Smith')13        .click('#submit-button')14        .click('#tried-test-cafe')15        .typeText('#comments', 'I like TestCafe!')16        .click('#submit-button')17        .wait(5000);18});19import { Selector, t } from 'testcafe';20test('My first test', async t => {21        .typeText('#developer-name', 'John Smith')22        .click('#submit-button')23        .click('#tried-test-cafe')24        .typeText('#comments', 'I like TestCafe!')25        .click('#submit-button')26        .wait(5000);27});28import { Selector, t } from 'testcafe';29test('My first test', async t => {30        .typeText('#developer-name', 'John Smith')31        .click('#submit-button')32        .click('#tried-test-cafe')33        .typeText('#comments', 'I like TestCafe!')34        .click('#submit-button

Using AI Code Generation

1import { Selector } from 'testcafe';2test('test', async t => {3        .typeText('#lst-ib', 'testcafe')4        .click('#tsf > div.tsf-p > div.jsb > center > input[type="submit"]:nth-child(1)')5        .click(Selector('h3').withText('TestCafe'))6        .click('#main > div > div > div > div > div > div > div > d

Using AI Code Generation

1import { Selector } from 'testcafe';2test('My first test', async t => {3    const result = await t.executeAsyncJsExpression(function (done) {4        setTimeout(function () {5            done('test');6        }, 2000);7    });8    console.log(result);9});10export default {11};

Using AI Code Generation

1import { Selector } from 'testcafe';2test('My first test', async t => {3    const developerName = Selector('#developer-name');4    const osOption = Selector('label').withText('Windows');5    const submitButton = Selector('#submit-button');6        .typeText(developerName, 'John Smith')7        .click(osOption)8        .click(submitButton)9        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');10    const getInnerText = ClientFunction(() => document.getElementById('article-header').innerText);11    const innerText = await getInnerText();12    console.log(innerText);13});14import { Selector } from 'testcafe';15test('My first test', async t => {16    const developerName = Selector('#developer-name');17    const osOption = Selector('label').withText('Windows');18    const submitButton = Selector('#submit-button');19        .typeText(developerName, 'John Smith')20        .click(osOption)21        .click(submitButton)22        .expect(Selector('#article-header').innerText).eql('Thank you, John Smith!');23    const getInnerText = ClientFunction(() => document.getElementById('article-header').innerText);24    const innerText = await getInnerText();25    console.log(innerText);26});27import { Selector } from 'testcafe';28test('My first test', async t => {29    const developerName = Selector('#developer-name');30    const osOption = Selector('label').withText('Windows');31    const submitButton = Selector('#submit-button');32        .typeText(developerName, 'John Smith')33        .click(osOption)34        .click(submitButton)35        .expect(Selector

Using AI Code Generation

1import { Selector } from 'testcafe';2test('test', async t => {3        .click(Selector('a').withText('Gmail'))4        .wait(1000)5        .executeAsyncJsExpression(() => {6            console.log('before click');7            document.querySelector('a[title="Sign in"]').click();8            console.log('after click');9        });10});11import { Selector } from 'testcafe';12test('test', async t => {13        .click(Selector('a').withText('Gmail'))14        .wait(1000)15        .executeExpression(() => {16            console.log('before click');17            document.querySelector('a[title="Sign in"]').click();18            console.log('after click');19        });20});

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