TestCafe

# TestCafe

Extends Helper

Uses TestCafe (opens new window) library to run cross-browser tests. The browser version you want to use in tests must be installed on your system.

Requires testcafe package to be installed.

npm i testcafe --save-dev

# Configuration

This helper should be configured in codecept.json or codecept.conf.js

# Example #1: Show chrome browser window

{
   helpers: {
     TestCafe : {
       url: "http://localhost",
       waitForTimeout: 15000,
       show: true,
       browser: "chrome"
     }
   }
}

To use remote device you can provide 'remote' as browser parameter this will display a link with QR Code See https://devexpress.github.io/testcafe/documentation/recipes/test-on-remote-computers-and-mobile-devices.html (opens new window)

# Example #2: Remote browser connection

{
   helpers: {
     TestCafe : {
       url: "http://localhost",
       waitForTimeout: 15000,
       browser: "remote"
     }
   }
}

# Access From Helpers

Call Testcafe methods directly using the testcafe controller.

const testcafeTestController = this.helpers['TestCafe'].t;
const comboBox = Selector('.combo-box');
await testcafeTestController
  .hover(comboBox) // hover over combo box
  .click('#i-prefer-both') // click some other element

# Methods

# Parameters

  • config

# _locate

Get elements by different locator types, including strict locator Should be used in custom helpers:

const elements = await this.helpers['TestCafe']._locate('.item');

# Parameters

  • locator

# amOnPage

Opens a web page in a browser. Requires relative or absolute url. If url starts with /, opens a web page of a site defined in url config parameter.

I.amOnPage('/'); // opens main page of website
I.amOnPage('https://github.com'); // opens github
I.amOnPage('/login'); // opens a login page

# Parameters

# appendField

Appends text to a input field or textarea. Field is located by name, label, CSS or XPath

I.appendField('#myTextField', 'appended');

# Parameters

# attachFile

Attaches a file to element located by label, name, CSS or XPath Path to file is relative current codecept directory (where codecept.json or codecept.conf.js is located). File will be uploaded to remote system (if tests are running remotely).

I.attachFile('Avatar', 'data/avatar.jpg');
I.attachFile('form input[name=avatar]', 'data/avatar.jpg');

# Parameters

# checkOption

Selects a checkbox or radio button. Element is located by label or name or CSS or XPath.

The second parameter is a context (CSS or XPath locator) to narrow the search.

I.checkOption('#agree');
I.checkOption('I Agree to Terms and Conditions');
I.checkOption('agree', '//form');

# Parameters

# clearCookie

Clears a cookie by name, if none provided clears all cookies.

I.clearCookie();
I.clearCookie('test');

# Parameters

# clearField

Clears a <textarea> or text <input> element's value.

I.clearField('Email');
I.clearField('user[email]');
I.clearField('#email');

# Parameters

# click

Perform a click on a link or a button, given by a locator. If a fuzzy locator is given, the page will be searched for a button, link, or image matching the locator string. For buttons, the "value" attribute, "name" attribute, and inner text are searched. For links, the link text is searched. For images, the "alt" attribute and inner text of any parent links are searched.

The second parameter is a context (CSS or XPath locator) to narrow the search.

// simple link
I.click('Logout');
// button of form
I.click('Submit');
// CSS button
I.click('#form input[type=submit]');
// XPath
I.click('//form/*[@type=submit]');
// link in context
I.click('Logout', '#nav');
// using strict locator
I.click({css: 'nav a.login'});

# Parameters

# dontSee

Opposite to see. Checks that a text is not present on a page. Use context parameter to narrow down the search.

I.dontSee('Login'); // assume we are already logged in.
I.dontSee('Login', '.nav'); // no login inside .nav element

# Parameters

# dontSeeCheckboxIsChecked

Verifies that the specified checkbox is not checked.

I.dontSeeCheckboxIsChecked('#agree'); // located by ID
I.dontSeeCheckboxIsChecked('I agree to terms'); // located by label
I.dontSeeCheckboxIsChecked('agree'); // located by name

# Parameters

# dontSeeCookie

Checks that cookie with given name does not exist.

I.dontSeeCookie('auth'); // no auth cookie

# Parameters

# dontSeeCurrentUrlEquals

Checks that current url is not equal to provided one. If a relative url provided, a configured url will be prepended to it.

I.dontSeeCurrentUrlEquals('/login'); // relative url are ok
I.dontSeeCurrentUrlEquals('http://mysite.com/login'); // absolute urls are also ok

# Parameters

# dontSeeElement

Opposite to seeElement. Checks that element is not visible (or in DOM)

I.dontSeeElement('.modal'); // modal is not shown

# Parameters

# dontSeeElementInDOM

Opposite to seeElementInDOM. Checks that element is not on page.

I.dontSeeElementInDOM('.nav'); // checks that element is not on page visible or not

# Parameters

# dontSeeInCurrentUrl

Checks that current url does not contain a provided fragment.

# Parameters

# dontSeeInField

Checks that value of input field or textarea doesn't equal to given value Opposite to seeInField.

I.dontSeeInField('email', '[email protected]'); // field by name
I.dontSeeInField({ css: 'form input.email' }, '[email protected]'); // field by CSS

# Parameters

# dontSeeInSource

Checks that the current page does not contains the given string in its raw source code.

I.dontSeeInSource('<!--'); // no comments in source

# Parameters

# doubleClick

Performs a double-click on an element matched by link|button|label|CSS or XPath. Context can be specified as second parameter to narrow search.

I.doubleClick('Edit');
I.doubleClick('Edit', '.actions');
I.doubleClick({css: 'button.accept'});
I.doubleClick('.btn.edit');

# Parameters

# executeScript

Executes sync script on a page. Pass arguments to function as additional parameters. Will return execution result to a test. In this case you should use async function and await to receive results.

Example with jQuery DatePicker:

// change date of jQuery DatePicker
I.executeScript(function() {
  // now we are inside browser context
  $('date').datetimepicker('setDate', new Date());
});

Can return values. Don't forget to use await to get them.

let date = await I.executeScript(function(el) {
  // only basic types can be returned
  return $(el).datetimepicker('getDate').toString();
}, '#date'); // passing jquery selector

# Parameters

Returns Promise (opens new window)<any> If a function returns a Promise It will wait for it resolution.

# fillField

Fills a text field or textarea, after clearing its value, with the given string. Field is located by name, label, CSS, or XPath.

// by label
I.fillField('Email', '[email protected]');
// by name
I.fillField('password', secret('123456'));
// by CSS
I.fillField('form#login input[name=username]', 'John');
// or by strict locator
I.fillField({css: 'form#login input[name=username]'}, 'John');

# Parameters

# grabAttributeFrom

Retrieves an attribute from an element located by CSS or XPath and returns it to test. Resumes test execution, so should be used inside async with await operator. If more than one element is found - attribute of first element is returned.

let hint = await I.grabAttributeFrom('#tooltip', 'title');

# Parameters

Returns Promise (opens new window)<string (opens new window)> attribute value

# grabAttributeFromAll

Retrieves an attribute from an element located by CSS or XPath and returns it to test. Resumes test execution, so should be used inside async with await operator. If more than one element is found - attribute of first element is returned.

let hint = await I.grabAttributeFrom('#tooltip', 'title');

# Parameters

Returns Promise (opens new window)<string (opens new window)> attribute value

# grabBrowserLogs

Get JS log from browser.

let logs = await I.grabBrowserLogs();
console.log(JSON.stringify(logs))

# grabCookie

Gets a cookie object by name. If none provided gets all cookies. Resumes test execution, so should be used inside async function with await operator.

let cookie = await I.grabCookie('auth');
assert(cookie.value, '123456');

# Parameters

Returns (Promise (opens new window)<string (opens new window)> | Promise (opens new window)<Array (opens new window)<string (opens new window)>>) attribute valueReturns cookie in JSON format. If name not passed returns all cookies for this domain.

# grabCurrentUrl

Get current URL from browser. Resumes test execution, so should be used inside an async function.

let url = await I.grabCurrentUrl();
console.log(`Current URL is [${url}]`);

Returns Promise (opens new window)<string (opens new window)> current URL

# grabNumberOfVisibleElements

Grab number of visible elements by locator. Resumes test execution, so should be used inside async function with await operator.

let numOfElements = await I.grabNumberOfVisibleElements('p');

# Parameters

Returns Promise (opens new window)<number (opens new window)> number of visible elements

# grabPageScrollPosition

Retrieves a page scroll position and returns it to test. Resumes test execution, so should be used inside an async function with await operator.

let { x, y } = await I.grabPageScrollPosition();

Returns Promise (opens new window)<PageScrollPosition> scroll position

# grabSource

Retrieves page source and returns it to test. Resumes test execution, so should be used inside async function with await operator.

let pageSource = await I.grabSource();

Returns Promise (opens new window)<string (opens new window)> source code

# grabTextFrom

Retrieves a text from an element located by CSS or XPath and returns it to test. Resumes test execution, so should be used inside async with await operator.

let pin = await I.grabTextFrom('#pin');

If multiple elements found returns first element.

# Parameters

Returns Promise (opens new window)<string (opens new window)> attribute value

# grabTextFromAll

Retrieves all texts from an element located by CSS or XPath and returns it to test. Resumes test execution, so should be used inside async with await operator.

let pins = await I.grabTextFromAll('#pin li');

# Parameters

Returns Promise (opens new window)<Array (opens new window)<string (opens new window)>> attribute value

# grabValueFrom

Retrieves a value from a form element located by CSS or XPath and returns it to test. Resumes test execution, so should be used inside async function with await operator. If more than one element is found - value of first element is returned.

let email = await I.grabValueFrom('input[name=email]');

# Parameters

Returns Promise (opens new window)<string (opens new window)> attribute value

# grabValueFromAll

Retrieves an array of value from a form located by CSS or XPath and returns it to test. Resumes test execution, so should be used inside async function with await operator.

let inputs = await I.grabValueFromAll('//form/input');

# Parameters

Returns Promise (opens new window)<Array (opens new window)<string (opens new window)>> attribute value

# moveCursorTo

Moves cursor to element matched by locator. Extra shift can be set with offsetX and offsetY options.

I.moveCursorTo('.tooltip');
I.moveCursorTo('#submit', 5,5);

# Parameters

# pressKey

Presses a key on a focused element. Special keys like 'Enter', 'Control', etc (opens new window) will be replaced with corresponding unicode. If modifier key is used (Control, Command, Alt, Shift) in array, it will be released afterwards.

I.pressKey('Enter');
I.pressKey(['Control','a']);

# Parameters

Valid key names (opens new window) are:

  • 'Add',
  • 'Alt',
  • 'ArrowDown' or 'Down arrow',
  • 'ArrowLeft' or 'Left arrow',
  • 'ArrowRight' or 'Right arrow',
  • 'ArrowUp' or 'Up arrow',
  • 'Backspace',
  • 'Command',
  • 'Control',
  • 'Del',
  • 'Divide',
  • 'End',
  • 'Enter',
  • 'Equals',
  • 'Escape',
  • 'F1 to F12',
  • 'Home',
  • 'Insert',
  • 'Meta',
  • 'Multiply',
  • 'Numpad 0' to 'Numpad 9',
  • 'Pagedown' or 'PageDown',
  • 'Pageup' or 'PageUp',
  • 'Pause',
  • 'Semicolon',
  • 'Shift',
  • 'Space',
  • 'Subtract',
  • 'Tab'.

# refreshPage

Reload the current page.

I.refreshPage();

# resizeWindow

Resize the current window to provided width and height. First parameter can be set to maximize.

# Parameters

# rightClick

Performs right click on a clickable element matched by semantic locator, CSS or XPath.

// right click element with id el
I.rightClick('#el');
// right click link or button with text "Click me"
I.rightClick('Click me');
// right click button with text "Click me" inside .context
I.rightClick('Click me', '.context');

# Parameters

# saveElementScreenshot

Saves screenshot of the specified locator to ouput folder (set in codecept.json or codecept.conf.js). Filename is relative to output folder.

I.saveElementScreenshot(`#submit`,'debug.png');

# Parameters

# saveScreenshot

Saves a screenshot to ouput folder (set in codecept.json or codecept.conf.js). Filename is relative to output folder. Optionally resize the window to the full available page scrollHeight and scrollWidth to capture the entire page by passing true in as the second argument.

I.saveScreenshot('debug.png');
I.saveScreenshot('debug.png', true) //resizes to available scrollHeight and scrollWidth before taking screenshot

# Parameters

# scrollPageToBottom

Scroll page to the bottom.

I.scrollPageToBottom();

# scrollPageToTop

Scroll page to the top.

I.scrollPageToTop();

# scrollTo

Scrolls to element matched by locator. Extra shift can be set with offsetX and offsetY options.

I.scrollTo('footer');
I.scrollTo('#submit', 5, 5);

# Parameters

# see

Checks that a page contains a visible text. Use context parameter to narrow down the search.

I.see('Welcome'); // text welcome on a page
I.see('Welcome', '.content'); // text inside .content div
I.see('Register', {css: 'form.register'}); // use strict locator

# Parameters

# seeCheckboxIsChecked

Verifies that the specified checkbox is checked.

I.seeCheckboxIsChecked('Agree');
I.seeCheckboxIsChecked('#agree'); // I suppose user agreed to terms
I.seeCheckboxIsChecked({css: '#signup_form input[type=checkbox]'});

# Parameters

# seeCookie

Checks that cookie with given name exists.

I.seeCookie('Auth');

# Parameters

# seeCurrentUrlEquals

Checks that current url is equal to provided one. If a relative url provided, a configured url will be prepended to it. So both examples will work:

I.seeCurrentUrlEquals('/register');
I.seeCurrentUrlEquals('http://my.site.com/register');

# Parameters

# seeElement

Checks that a given Element is visible Element is located by CSS or XPath.

I.seeElement('#modal');

# Parameters

# seeElementInDOM

Checks that a given Element is present in the DOM Element is located by CSS or XPath.

I.seeElementInDOM('#modal');

# Parameters

# seeInCurrentUrl

Checks that current url contains a provided fragment.

I.seeInCurrentUrl('/register'); // we are on registration page

# Parameters

# seeInField

Checks that the given input field or textarea equals to given value. For fuzzy locators, fields are matched by label text, the "name" attribute, CSS, and XPath.

I.seeInField('Username', 'davert');
I.seeInField({css: 'form textarea'},'Type your comment here');
I.seeInField('form input[type=hidden]','hidden_value');
I.seeInField('#searchform input','Search');

# Parameters

# seeInSource

Checks that the current page contains the given string in its raw source code.

I.seeInSource('<h1>Green eggs &amp; ham</h1>');

# Parameters

# seeNumberOfVisibleElements

Asserts that an element is visible a given number of times. Element is located by CSS or XPath.

I.seeNumberOfVisibleElements('.buttons', 3);

# Parameters

# seeTextEquals

Checks that text is equal to provided one.

I.seeTextEquals('text', 'h1');

# Parameters

  • text
  • context

# selectOption

Selects an option in a drop-down select. Field is searched by label | name | CSS | XPath. Option is selected by visible text or by value.

I.selectOption('Choose Plan', 'Monthly'); // select by label
I.selectOption('subscription', 'Monthly'); // match option by text
I.selectOption('subscription', '0'); // or by value
I.selectOption('//form/select[@name=account]','Premium');
I.selectOption('form select[name=account]', 'Premium');
I.selectOption({css: 'form select[name=account]'}, 'Premium');

Provide an array for the second argument to select multiple options.

I.selectOption('Which OS do you use?', ['Android', 'iOS']);

# Parameters

# setCookie

Sets cookie(s).

Can be a single cookie object or an array of cookies:

I.setCookie({name: 'auth', value: true});

// as array
I.setCookie([
  {name: 'auth', value: true},
  {name: 'agree', value: true}
]);

# Parameters

# switchTo

Switches frame or in case of null locator reverts to parent.

I.switchTo('iframe'); // switch to first iframe
I.switchTo(); // switch back to main page

# Parameters

# uncheckOption

Unselects a checkbox or radio button. Element is located by label or name or CSS or XPath.

The second parameter is a context (CSS or XPath locator) to narrow the search.

I.uncheckOption('#agree');
I.uncheckOption('I Agree to Terms and Conditions');
I.uncheckOption('agree', '//form');

# Parameters

# useTestCafeTo

Use TestCafe (opens new window) API inside a test.

First argument is a description of an action. Second argument is async function that gets this helper as parameter.

{ t (opens new window)) } object from TestCafe API is available.

I.useTestCafeTo('handle browser dialog', async ({ t }) {
  await t.setNativeDialogHandler(() => true);
});

# Parameters

# wait

Pauses execution for a number of seconds.

I.wait(2); // wait 2 secs

# Parameters

# waitForElement

Waits for element to be present on page (by default waits for 1sec). Element can be located by CSS or XPath.

I.waitForElement('.btn.continue');
I.waitForElement('.btn.continue', 5); // wait for 5 secs

# Parameters

# waitForFunction

Waits for a function to return true (waits for 1 sec by default). Running in browser context.

I.waitForFunction(fn[, [args[, timeout]])
I.waitForFunction(() => window.requests == 0);
I.waitForFunction(() => window.requests == 0, 5); // waits for 5 sec
I.waitForFunction((count) => window.requests == count, [3], 5) // pass args and wait for 5 sec

# Parameters

# waitForInvisible

Waits for an element to be removed or become invisible on a page (by default waits for 1sec). Element can be located by CSS or XPath.

I.waitForInvisible('#popup');

# Parameters

# waitForText

Waits for a text to appear (by default waits for 1sec). Element can be located by CSS or XPath. Narrow down search results by providing context.

I.waitForText('Thank you, form has been submitted');
I.waitForText('Thank you, form has been submitted', 5, '#modal');

# Parameters

# waitForVisible

Waits for an element to become visible on a page (by default waits for 1sec). Element can be located by CSS or XPath.

I.waitForVisible('#popup');

# Parameters

# waitInUrl

Waiting for the part of the URL to match the expected. Useful for SPA to understand that page was changed.

I.waitInUrl('/info', 2);

# Parameters

# waitNumberOfVisibleElements

Waits for a specified number of elements on the page.

I.waitNumberOfVisibleElements('a', 3);

# Parameters

# waitToHide

Waits for an element to hide (by default waits for 1sec). Element can be located by CSS or XPath.

I.waitToHide('#popup');

# Parameters

# waitUrlEquals

Waits for the entire URL to match the expected

I.waitUrlEquals('/info', 2);
I.waitUrlEquals('http://127.0.0.1:8000/info');

# Parameters

# getPageUrl

Client Functions

# Parameters

  • t
Last Updated: 2/5/2021, 2:49:41 AM