Playwright.md

September 21, 2020 · View on GitHub

Playwright

Extends Helper

Uses Playwright library to run tests inside:

Chromium
Firefox
Webkit (Safari)

This helper works with a browser out of the box with no additional tools required to install.

Requires playwright package version ^1 to be installed:

npm i playwright@^1 --save

Configuration

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

url: base url of website to be tested
browser: a browser to test on, either: chromium, firefox, webkit. Default: chromium.
show: - show browser window.
restart: - restart browser between tests.
disableScreenshots: - don't save screenshot on failure.
emulate: launch browser in device emulation mode.
fullPageScreenshots - make full page screenshots on failure.
uniqueScreenshotNames: - option to prevent screenshot override if you have scenarios with the same name in different suites.
keepBrowserState: - keep browser state between tests when restart is set to false.
keepCookies: - keep cookies between tests when restart is set to false.
waitForAction: (optional) how long to wait after click, doubleClick or PressKey actions in ms. Default: 100.
waitForNavigation: . When to consider navigation succeeded. Possible options: load, domcontentloaded, networkidle. Choose one of those options is possible. See Playwright API.
pressKeyDelay: . Delay between key presses in ms. Used when calling Playwrights page.type(...) in fillField/appendField
getPageTimeout config option to set maximum navigation time in milliseconds.
waitForTimeout: (optional) default wait* timeout in ms. Default: 1000.
basicAuth: (optional) the basic authentication to pass to base url. Example: {username: 'username', password: 'password'}
windowSize: (optional) default window size. Set a dimension like 640x480.
userAgent: (optional) user-agent string.
manualStart: - do not start browser before a test, start it manually inside a helper with this.helpers["Playwright"]._startBrowser().
chromium: (optional) pass additional chromium options

Example #1: Wait for 0 network connections.

{
   helpers: {
     Playwright : {
       url: "http://localhost",
       restart: false,
       waitForNavigation: "networkidle0",
       waitForAction: 500
     }
   }
}

Example #2: Wait for DOMContentLoaded event

{
   helpers: {
     Playwright : {
       url: "http://localhost",
       restart: false,
       waitForNavigation: "domcontentloaded",
       waitForAction: 500
     }
   }
}

Example #3: Debug in window mode

{
   helpers: {
     Playwright : {
       url: "http://localhost",
       show: true
     }
   }
}

Example #4: Connect to remote browser by specifying websocket endpoint

{
   helpers: {
     Playwright: {
       url: "http://localhost",
       chromium: {
         browserWSEndpoint: "ws://localhost:9222/devtools/browser/c5aa6160-b5bc-4d53-bb49-6ecb36cd2e0a"
       }
     }
   }
}

Example #5: Testing with Chromium extensions

official docs

{
 helpers: {
   Playwright: {
     url: "http://localhost",
     show: true // headless mode not supported for extensions
     chromium: {
       args: [
          `--disable-extensions-except=${pathToExtension}`,
          `--load-extension=${pathToExtension}`
       ]
     }
   }
 }
}

Example #6: Launch tests emulating iPhone 6

const { devices } = require('playwright');

{
 helpers: {
   Playwright: {
     url: "http://localhost",
     emulate: devices['iPhone 6'],
   }
 }
}

Note: When connecting to remote browser show and specific chrome options (e.g. headless or devtools) are ignored.

Access From Helpers

Receive Playwright client from a custom helper by accessing browser for the Browser object or page for the current Page object:

const { browser } = this.helpers.Playwright;
await browser.pages(); // List of pages in the browser

// get current page
const { page } = this.helpers.Playwright;
await page.url(); // Get the url of the current page

const { browserContext } = this.helpers.Playwright;
await browserContext.cookies(); // get current browser context

Methods

_addPopupListener

Add the 'dialog' event listener to a page

_setPage

Set current page

acceptPopup

Accepts the active JavaScript native popup window, as created by window.alert|window.confirm|window.prompt. Don't confuse popups with modal windows, as created by various libraries.

amAcceptingPopups

Set the automatic popup response to Accept. This must be set before a popup is triggered.

I.amAcceptingPopups();
I.click('#triggerPopup');
I.acceptPopup();

amCancellingPopups

Set the automatic popup response to Cancel/Dismiss. This must be set before a popup is triggered.

I.amCancellingPopups();
I.click('#triggerPopup');
I.cancelPopup();

appendField

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

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

Parameters

field (string | object) located by label|name|CSS|XPath|strict locator
value string text value to append.

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

locator (string | object) field located by label|name|CSS|XPath|strict locator.
pathToFile string local file path relative to codecept.json config file.

cancelPopup

Dismisses the active JavaScript popup, as created by window.alert|window.confirm|window.prompt.

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

field (string | object) checkbox located by label | name | CSS | XPath | strict locator.
context (string? | object) (optional, null by default) element located by CSS | XPath | strict locator.

clearCookie

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

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

Parameters

cookie string? (optional, null by default) cookie name

clearField

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

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

Parameters

field
editable (string | object) field located by label|name|CSS|XPath|strict locator.

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

locator (string | object) clickable link or button located by text, or any element located by CSS|XPath|strict locator.
context (string? | object) (optional, null by default) element to search in CSS|XPath|Strict locator.

clickLink

Clicks link and waits for navigation (deprecated)

Parameters

locator
context

closeCurrentTab

Close current tab and switches to previous.

I.closeCurrentTab();

closeOtherTabs

Close all tabs except for the current one.

I.closeOtherTabs();

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

text string which is not present.
context (string | object)? (optional) element located by CSS|XPath|strict locator in which to perfrom search.

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

field (string | object) located by label|name|CSS|XPath|strict locator.

dontSeeCookie

Checks that cookie with given name does not exist.

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

Parameters

name string cookie name.

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

url string value to check.

dontSeeElement

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

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

Parameters

locator (string | object) located by CSS|XPath|Strict locator.

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

locator (string | object) located by CSS|XPath|Strict locator.

dontSeeInCurrentUrl

Checks that current url does not contain a provided fragment.

Parameters

url string value to check.

dontSeeInField

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

I.dontSeeInField('email', 'user@user.com'); // field by name
I.dontSeeInField({ css: 'form input.email' }, 'user@user.com'); // field by CSS

Parameters

field (string | object) located by label|name|CSS|XPath|strict locator.
value string value to check.

dontSeeInSource

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

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

Parameters

text
value string to check.

dontSeeInTitle

Checks that title does not contain text.

I.dontSeeInTitle('Error');

Parameters

text string value to check.

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

locator (string | object) clickable link or button located by text, or any element located by CSS|XPath|strict locator.
context (string? | object) (optional, null by default) element to search in CSS|XPath|Strict locator.

dragAndDrop

Drag an item to a destination element.

I.dragAndDrop('#dragHandle', '#container');

Parameters

srcElement (string | object) located by CSS|XPath|strict locator.
destElement (string | object) located by CSS|XPath|strict locator.

dragSlider

Drag the scrubber of a slider to a given position For fuzzy locators, fields are matched by label text, the "name" attribute, CSS, and XPath.

I.dragSlider('#slider', 30);
I.dragSlider('#slider', -70);

Parameters

locator (string | object) located by label|name|CSS|XPath|strict locator.
offsetX number position to drag.

executeScript

Executes a script on the page:

I.executeScript(() => window.alert('Hello world'));

Additional parameters of the function can be passed as an object argument:

I.executeScript(({x, y}) => x + y, {x, y});

You can pass only one parameter into a function but you can pass in array or object.

I.executeScript(([x, y]) => x + y, [x, y]);

If a function returns a Promise it will wait for its resolution.

Parameters

fn
arg

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', 'hello@world.com');
// 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

field (string | object) located by label|name|CSS|XPath|strict locator.
value string text value to fill.

forceClick

Force clicks an element without waiting for it to become visible and not animating.

I.forceClick('#hiddenButton');
I.forceClick('Click me', '#hidden');

Parameters

locator
context

grabAttributeFrom

Retrieves an attribute from an element located by CSS or XPath and returns it to test. An array as a result will be returned if there are more than one matched element. Resumes test execution, so should be used inside async function with await operator.

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

Parameters

locator (string | object) element located by CSS|XPath|strict locator.
attr string attribute name.

Returns Promise<string> attribute value

grabBrowserLogs

Get JS log from browser.

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

Returns Promise<Array<any>>

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

name string? cookie name.

Returns Promise<string> attribute valueReturns cookie in JSON format. If name not passed returns all cookies for this domain.

grabCssPropertyFrom

Grab CSS property for given locator Resumes test execution, so should be used inside an async function with await operator.

const value = await I.grabCssPropertyFrom('h3', 'font-weight');

Parameters

locator (string | object) element located by CSS|XPath|strict locator.
cssProperty string CSS property name.

Returns Promise<string> CSS value

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<string> current URL

grabDataFromPerformanceTiming

Grab the data from performance timing using Navigation Timing API. The returned data will contain following things in ms:

responseEnd,
domInteractive,
domContentLoadedEventEnd,
loadEventEnd Resumes test execution, so should be used inside an async function with await operator.

await I.amOnPage('https://example.com');
let data = await I.grabDataFromPerformanceTiming();
//Returned data
{ // all results are in [ms]
  responseEnd: 23,
  domInteractive: 44,
  domContentLoadedEventEnd: 196,
  loadEventEnd: 241
}

grabElementBoundingRect

Grab the width, height, location of given locator. Provide width or heightas second param to get your desired prop. Resumes test execution, so should be used inside an async function with await operator.

Returns an object with x, y, width, height keys.

const value = await I.grabElementBoundingRect('h3');
// value is like { x: 226.5, y: 89, width: 527, height: 220 }

To get only one metric use second parameter:

const width = await I.grabElementBoundingRect('h3', 'width');
// width == 527

Parameters

locator (string | object) element located by CSS|XPath|strict locator.
prop
elementSize string x, y, width or height of the given element.

Returns object Element bounding rectangle

grabHTMLFrom

Retrieves the innerHTML from an 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 - an array of HTMLs returned.

let postHTML = await I.grabHTMLFrom('#post');

Parameters

locator
element (string | object) located by CSS|XPath|strict locator.

Returns Promise<string> HTML code for an element

grabNumberOfOpenTabs

Grab number of open tabs. Resumes test execution, so should be used inside async function with await operator.

let tabs = await I.grabNumberOfOpenTabs();

Returns Promise<number> number of open tabs

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

locator (string | object) located by CSS|XPath|strict locator.

Returns Promise<number> 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<Object<string, any>> scroll position

grabPopupText

Grab the text within the popup. If no popup is visible then it will return null

await I.grabPopupText();

Returns Promise<(string | null)>

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<string> 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 an array of texts.

Parameters

locator (string | object) element located by CSS|XPath|strict locator.

Returns Promise<(string | Array<string>)> attribute value

grabTitle

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

let title = await I.grabTitle();

Returns Promise<string> title

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.

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

Parameters

locator (string | object) field located by label|name|CSS|XPath|strict locator.

Returns Promise<string> attribute value

handleDownloads

Handles a file download.Aa file name is required to save the file on disk. Files are saved to "output" directory.

Should be used with FileSystem helper to check that file were downloaded correctly.

I.handleDownloads('downloads/avatar.jpg');
I.click('Download Avatar');
I.amInPath('output/downloads');
I.waitForFile('downloads/avatar.jpg', 5);

Parameters

fileName string? set filename for downloaded file

haveRequestHeaders

Set headers for all next requests

I.haveRequestHeaders({
   'X-Sent-By': 'CodeceptJS',
});

Parameters

customHeaders object headers to set

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

locator (string | object) located by CSS|XPath|strict locator.
offsetX number (optional, 0 by default) X-axis offset.
offsetY number (optional, 0 by default) Y-axis offset.

openNewTab

Open new tab and switch to it

I.openNewTab();

You can pass in page options to emulate device on this page

// enable mobile
I.openNewTab({ isMobile: true });

Parameters

options

pressKey

Presses a key in the browser (on a focused element).

Hint: For populating text field or textarea, it is recommended to use fillField.

I.pressKey('Backspace');

To press a key in combination with modifier keys, pass the sequence as an array. All modifier keys ('Alt', 'Control', 'Meta', 'Shift') will be released afterwards.

I.pressKey(['Control', 'Z']);

For specifying operation modifier key based on operating system it is suggested to use 'CommandOrControl'. This will press 'Command' (also known as 'Meta') on macOS machines and 'Control' on non-macOS machines.

I.pressKey(['CommandOrControl', 'Z']);

Some of the supported key names are:

'AltLeft' or 'Alt'
'AltRight'
'ArrowDown'
'ArrowLeft'
'ArrowRight'
'ArrowUp'
'Backspace'
'Clear'
'ControlLeft' or 'Control'
'ControlRight'
'Command'
'CommandOrControl'
'Delete'
'End'
'Enter'
'Escape'
'F1' to 'F12'
'Home'
'Insert'
'MetaLeft' or 'Meta'
'MetaRight'
'Numpad0' to 'Numpad9'
'NumpadAdd'
'NumpadDecimal'
'NumpadDivide'
'NumpadMultiply'
'NumpadSubtract'
'PageDown'
'PageUp'
'Pause'
'Return'
'ShiftLeft' or 'Shift'
'ShiftRight'
'Space'
'Tab'

Parameters

key (string | Array<string>) key or array of keys to press.Note: Shortcuts like 'Meta' + 'A' do not work on macOS (GoogleChrome/Puppeteer#1313).

pressKeyDown

Presses a key in the browser and leaves it in a down state.

To make combinations with modifier key and user operation (e.g. 'Control' + click).

I.pressKeyDown('Control');
I.click('#element');
I.pressKeyUp('Control');

Parameters

key string name of key to press down.

pressKeyUp

Releases a key in the browser which was previously set to a down state.

To make combinations with modifier key and user operation (e.g. 'Control' + click).

I.pressKeyDown('Control');
I.click('#element');
I.pressKeyUp('Control');

Parameters

key string name of key to release.

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

width number width in pixels or maximize.
height number height in pixels.Unlike other drivers Playwright changes the size of a viewport, not the window! Playwright does not control the window of a browser so it can't adjust its real size. It also can't maximize a window.Update configuration to change real window size on start:```js // inside codecept.conf.js // @codeceptjs/configure package must be installed { setWindowSize } = require('@codeceptjs/configure');

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

locator (string | object) clickable element located by CSS|XPath|strict locator.
context (string? | object) (optional, null by default) element located by CSS|XPath|strict locator.

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

locator (string | object) element located by CSS|XPath|strict locator.
fileName string file name to save.

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

fileName string file name to save.
fullPage boolean (optional, false by default) flag to enable fullscreen screenshot mode.

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

locator (string | object) located by CSS|XPath|strict locator.
offsetX number (optional, 0 by default) X-axis offset.
offsetY number (optional, 0 by default) Y-axis offset.

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

text string expected on page.
context (string? | object) (optional, null by default) element located by CSS|Xpath|strict locator in which to search for text.

seeAttributesOnElements

Checks that all elements with given locator have given attributes.

I.seeAttributesOnElements('//form', { method: "post"});

Parameters

locator (string | object) located by CSS|XPath|strict locator.
attributes object attributes and their values to check.

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

field (string | object) located by label|name|CSS|XPath|strict locator.

seeCookie

Checks that cookie with given name exists.

I.seeCookie('Auth');

Parameters

name string cookie name.

seeCssPropertiesOnElements

Checks that all elements with given locator have given CSS properties.

I.seeCssPropertiesOnElements('h3', { 'font-weight': "bold"});

Parameters

locator (string | object) located by CSS|XPath|strict locator.
cssProperties object object with CSS properties and their values to check.

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

url string value to check.

seeElement

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

I.seeElement('#modal');

Parameters

locator (string | object) located by CSS|XPath|strict locator.

seeElementInDOM

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

I.seeElementInDOM('#modal');

Parameters

locator (string | object) element located by CSS|XPath|strict locator.

seeInCurrentUrl

Checks that current url contains a provided fragment.

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

Parameters

url string a fragment to check

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

field (string | object) located by label|name|CSS|XPath|strict locator.
value string value to check.

seeInPopup

Checks that the active JavaScript popup, as created by window.alert|window.confirm|window.prompt, contains the given string.

I.seeInPopup('Popup text');

Parameters

text string value to check.

seeInSource

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

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

Parameters

text string value to check.

seeInTitle

Checks that title contains text.

I.seeInTitle('Home Page');

Parameters

text string text value to check.

seeNumberOfElements

Asserts that an element appears a given number of times in the DOM. Element is located by label or name or CSS or XPath.

I.seeNumberOfElements('#submitBtn', 1);

Parameters

locator (string | object) element located by CSS|XPath|strict locator.
num number number of elements.

seeNumberOfVisibleElements

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

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

Parameters

locator (string | object) element located by CSS|XPath|strict locator.
num number number of elements.

seeTextEquals

Checks that text is equal to provided one.

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

Parameters

text string element value to check.
context (string | object?) element located by CSS|XPath|strict locator.

seeTitleEquals

Checks that title is equal to provided one.

I.seeTitleEquals('Test title.');

Parameters

text

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

select (string | object) field located by label|name|CSS|XPath|strict locator.
option (string | Array<any>) visible text or value of option.

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

cookie (object | array) a cookie object or array of cookie objects.

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

locator (string? | object) (optional, null by default) element located by CSS|XPath|strict locator.

switchToNextTab

Switch focus to a particular tab by its number. It waits tabs loading and then switch tab

I.switchToNextTab();
I.switchToNextTab(2);

Parameters

num number

switchToPreviousTab

Switch focus to a particular tab by its number. It waits tabs loading and then switch tab

I.switchToPreviousTab();
I.switchToPreviousTab(2);

Parameters

num number

type

Types out the given text into an active field. To slow down typing use a second parameter, to set interval between key presses. Note: Should be used when fillField is not an option.

// passing in a string
I.type('Type this out.');

// typing values with a 100ms interval
I.type('4141555311111111', 100);

// passing in an array
I.type(['T', 'E', 'X', 'T']);

Parameters

keys
delay number? (optional) delay in ms between key presses
key (string | Array<string>) or array of keys to type.

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

field (string | object) checkbox located by label | name | CSS | XPath | strict locator.
context (string? | object) (optional, null by default) element located by CSS | XPath | strict locator.

wait

Pauses execution for a number of seconds.

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

Parameters

sec number number of second to wait.

waitForClickable

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

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

Parameters

locator (string | object) element located by CSS|XPath|strict locator.
waitTimeout
sec number? (optional, 1 by default) time in seconds to wait

waitForDetached

Waits for an element to become not attached to the DOM on a page (by default waits for 1sec). Element can be located by CSS or XPath.

I.waitForDetached('#popup');

Parameters

locator (string | object) element located by CSS|XPath|strict locator.
sec number (optional, 1 by default) time in seconds to wait

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

locator (string | object) element located by CSS|XPath|strict locator.
sec number? (optional, 1 by default) time in seconds to wait

waitForEnabled

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

Parameters

locator (string | object) element located by CSS|XPath|strict locator.
sec number (optional) time in seconds to wait, 1 by default.

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

fn (string | function) to be executed in browser context.
argsOrSec (Array<any> | number)? (optional, 1 by default) arguments for function or seconds.
sec number? (optional, 1 by default) time in seconds to wait

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

locator (string | object) element located by CSS|XPath|strict locator.
sec number (optional, 1 by default) time in seconds to wait

waitForNavigation

Waits for navigation to finish. By default takes configured waitForNavigation option.

See Pupeteer's reference

Parameters

opts any

waitForRequest

Waits for a network request.

I.waitForRequest('http://example.com/resource');
I.waitForRequest(request => request.url() === 'http://example.com' && request.method() === 'GET');

Parameters

urlOrPredicate (string | function)
sec number? seconds to wait

waitForResponse

Waits for a network request.

I.waitForResponse('http://example.com/resource');
I.waitForResponse(request => request.url() === 'http://example.com' && request.method() === 'GET');

Parameters

urlOrPredicate (string | function)
sec number? number of seconds to wait

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

text string to wait for.
sec number (optional, 1 by default) time in seconds to wait
context (string | object)? (optional) element located by CSS|XPath|strict locator.

waitForValue

Waits for the specified value to be in value attribute.

I.waitForValue('//input', "GoodValue");

Parameters

field (string | object) input field.
value string expected value.
sec number (optional, 1 by default) time in seconds to wait

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

locator (string | object) element located by CSS|XPath|strict locator.
sec number (optional, 1 by default) time in seconds to waitThis method accepts React selectors.

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

urlPart string value to check.
sec number (optional, 1 by default) time in seconds to wait

waitNumberOfVisibleElements

Waits for a specified number of elements on the page.

I.waitNumberOfVisibleElements('a', 3);

Parameters

locator (string | object) element located by CSS|XPath|strict locator.
num number number of elements.
sec number (optional, 1 by default) time in seconds to wait

waitToHide

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

I.waitToHide('#popup');

Parameters

locator (string | object) element located by CSS|XPath|strict locator.
sec number (optional, 1 by default) time in seconds to wait

waitUntil

Waits for a function to return true (waits for 1sec by default).

I.waitUntil(() => window.requests == 0);
I.waitUntil(() => window.requests == 0, 5);

Parameters

fn (function | string) function which is executed in browser context.
sec number (optional, 1 by default) time in seconds to wait
timeoutMsg string message to show in case of timeout fail.
interval number?

waitUrlEquals

Waits for the entire URL to match the expected

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

Parameters

urlPart string value to check.
sec number (optional, 1 by default) time in seconds to wait