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Getting Started With End-To-End Testing With TestCafe

Posted on September 10, 2022

End-to-end testing, often known as E2E testing, examines if an application's flow functions as expected from beginning to end. End-to-end tests imitate real user scenarios, allowing the automation testing tools to test the application as a real user would.JavaScript has been the most widely used programming language for nine years. A free and open-source End-to-End automation framework, TestCafe, is used to test Node.js applications. TestCafe supports both JavaScript and TypeScript.

You can therefore create TestCafe tests in either of the two. You don't have to rely on WebDriver or be concerned about manual timeouts while using TestCafe.

You can learn how to conduct End-to-End automated online tests with JavaScript using TestCafe and cloud Selenium Grid by reading this blog post on contemporary web testing with TestCafe.

This TestCafe tutorial on conducting contemporary web testing with TestCafe will help you get the most out of cross-browser testing.


Recap On Selenium

Selenium is a widely used open-source automation platform for testing web applications. Selenium has been updated and released on the market. The most recent version, Selenium 4, is an improvement over Selenium 3. Through this Selenium 4 course, you may discover the new features and enhancements in Selenium 4.

The World Wide Web Consortium's (W3C) compliance with WebDriver APIs is Selenium 4's most noticeable advancement. As a result, Selenium 4 delivers more stable cross-browser testing as the API queries don't need to be further encoded or decoded.


Why Should You Use TestCafe?

The TestCafe automation framework offers the following main advantages:

Because TestCafe does not require the installation of third-party plugins, web drivers, or other libraries to run tests, it is simple to set up.

TestCafe works with all popular browsers, including

  • Google Chrome
  • IE 11
  • Microsoft Edge
  • Mozilla
  • Safari
  • Chrome mobile
  • Safari mobile
  • Because it has an MIT license, TestCafe is open source and cost-free to use.


Introduction to TestCafe Automation

You can get good knowledge on how to install TestCafe and perform your first test in TestCafe in this section of this article on contemporary web testing with TestCafe. You must have a Text Editor, NodeJS, and Node Package Manager (NPM) installed on your machine to install and use TestCafe.

The VS Code extensions required for using TestCafe for contemporary web testing are shown below.

  • Code snippets for TestCafe are available through this website.
  • TestRunner by TestCafe: allows you to run tests from Visual Studio Code directly
  • TestLatte: will enable you to use VS Code to run or debug your TestCafe tests.


Installing TestCafe Extensions: How to do it

Please take the following actions to install TestCafe Extensions:

  • Make a folder on your PC called "TestCafeDemo."
  • Use VS Code to open the folder by doing a right-click.
  • Following the launch of VS Code, go to extensions by selecting the extensions button on the screen's left side. VS Code was released.
  • Type "TestCafe" into the extension's search field and all three extensions will show. Install each extension by clicking on it.


Adding TestCafe to Visual Studio Code

You should follow the instructions listed below to install TestCafe in VS Code:

You may open the terminal in the program by selecting New Terminal from the Terminal menu over the top of your VS Code window.

VS Code terminal

  • Install TestCafe by running the following command in your terminal.
  • Install TestCafe with npm.
  • Run the command listed below when the installation is complete to see the version of TestCafe.
  • The package.json file contains numerous project-related metadata. The file aids NPM in locating information and dependencies related to the project.
  • To make TestCafe a dependency for our project, run the code below.
  • install TestCafe with npm


How Can I Conduct Tests Using Cloud Selenium Grid And TestCafe?

You might notice the contemporary web testing with TestCafe that using the local Selenium Grid to execute tests on many browsers and platform versions can be a major nuisance.

Imagine you have a Windows computer and want to conduct cross-browser tests on a Firefox + Linux or Safari + macOS combination. Cloud Selenium testing can be quite helpful in this situation because it reduces the need to invest in maintaining the internal test infrastructure continuously.


Cloud-Based Testing On TestCafe Using LambdaTest

You can use a cloud testing platform like LambdaTest to enable fast and high-performance TestCafe testing.

The tool comes with an access of 3,000+ real browsers to test your Node.js application on TestCafe. It provides testers with an npm plugin using which you can easily integrate TestCafe to your LambdaTest account.

Not only can you leverage extensive testing using LambdaTest but can also perform parallel tests.You can parallelize your TestCafe scripts and execute them over LambdaTest's scalable, cloud grid and reduce your test execution cycles.


How To Use TestCafe To Run Selenium Tests?

Experts prefer to automate test scenarios using a mock e-commerce playground from LambdaTest to show how to do TestCafe testing with Selenium. In this case, buyers must register to purchase items from the website.

You may perform an automated test using TestCafe that simulates end-user interaction with the DOM elements to verify that the registration form functions as expected. The automation will take place on Chrome, Firefox, and Safari browsers.

We'll make a folder called "TestCafeTests" to house the test files. We will create two folders inside the " PageModel " folder and "Tests." As we utilize Selenium's Page Object Model, we'll make two files inside the "TestCafeTests" folder.

A design pattern called Page Object Model, or POM, creates an object repository to store WebElements. POM assists us in decreasing the work required for test case maintenance and reducing code duplication.

Let's see how the test case will conduct a test on the e-commerce registration page before executing the test.

  • Exercise Scenario (Chrome Browser)
  • Visit the e-commerce play area.
  • Enter "John" in place of the First Name text box.
  • To the Last Name entry field, add "Doe."
  • You should enter "" in the email entry box.
  • Put "0712345678" in the entry box for the phone number.
  • Fill in the password entry area with "Qwerty123!"
  • Enter "Qwerty123!" in the input area for the password confirmation.
  • Check the box next to "I accept the privacy policy."
  • Select "Continue" from the submit menu.

The below-mentioned steps should be followed to run TestCafe tests:

  • Create a new folder called "TestCafeTests" in the path "TestCafeDemo/TestCafeTests" in your project.
  • Make the "PageModel" and "Tests" folders in the "TestCafeTests" folder.

Let's create a file called "SignUp.js" in the "PageModel" folder, as shown below.


Creating POM

The steps listed below can be used to set up POM:

  1. The "SignupPage" class will be declared in the "SignupPage.js" file in this stage, and its instance will be exported.
  2. The "SignupPage" class will require the addition of WebElements. These WebElements will appear as buttons and input fields on the registration page for an e-commerce website.
  3. Visit the registration page, look over the website, and note the IDs of the input forms and buttons that users must fill out and click while making accounts.
  4. Next, include ID and Class locators in the model for "first name, last name, email, telephone, password, confirm password; click on agree and continue." This will be accomplished by introducing the "first name input, last name input, email input, telephone input, password input, confirm input, agreeBtn, and continueBtn" properties and giving them selectors.
  5. When you check the website to retrieve the ID locators, you will discover that the "Continue" submit button has no ID. For TestCafe to be able to find it, we will get the class name for the submit button and append "input." before the class rather than the symbol "#" that denotes ID locators.
  6. We must import it at the top of the "SignupPage.js" code from TestCafe to apply a selector to them.
  7. Now that the POM design pattern Page has been established let's create a test that leverages it. Make a file called "SignupTest.js" in the "Tests" folder. In the "SignupTets.js" file, we'll import the page model instance from the "SignupPage.js" file.
  8. Now let's construct a variable named "URL" to retain the test URL used to execute the automation tests.
  9. We'll announce a fixture after that. The set of test cases is divided into groups using fixtures. In Selenium, an institution is a collection of tests directed at a single URL. Fixtures make it easier to manage test cases involving various test pages. The Home Page, Registration Page, or Login Page tests can all be represented by a particular fixture.
  10. Declare an asynchronous function called "Registration" as a test case. It contains test code and a test controller object (t). The test controller object t implements each test action as an async function. To use the test run API, use this object.
  11. The "t.wait" method will then be used to wait for the actions to finish. TestCafe waits for the target element to appear in the DOM before executing a Selector query.
  12. After that, we'll employ a TestController method named ".typeText" that accepts two arguments. The first parameter is the Selector that identifies the WebElement in the DOM to get input focus. The text we want to enter in the newly discovered WebElement is the second parameter.
  13. Using the TestController method ".click," we will test the radio and submit buttons. The ".click" TestController process clicks on the WebElement and only accepts one parameter: the Selector that is used to locate the WebElement on the page.
  14. We can add the names we gave the selectors as our first parameter in the ".typeText" and ".click" TestController methods since we already specified the selectors in the page model and imported the page model to our test file.
  15. Perform the command listed below on your command line to run the test. The command details the browser and the file containing the tests we want to run on the Test Page.
  16. Launching the Chrome browser, going to the URL we gave in the fixture, and running each test that is a part of the test function are all done by TestCafe. If everything is in order, you should receive a message on the terminal indicating that the test was successful.



With testing tools like Selenium, TestCafe aims to address common problems developers and testers face. However, the combination of TestCafe JavaScript and Cloud Selenium Grid enables you to scale up your testing environment without incurring high costs for constructing an internal grid infrastructure.

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