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Testing what the people using your application/website will seeand their ability interact with the product is(probably) the most important part of building a web app/site.You can have amazing code, a super-fast backend and gorgeous UI,but none of that matters if people are unable to useitbecause of a basic bug! It is a complete browser (End-to-End) testing solution which aims to simplify the process of setting up a Continuous Integration and writing automated tests. The video tutorial below show you how to configure Nightwatch to use SauceLabs to run your tests end to end. This tutorial will show you how to use Nightwatch to write database tests against SQL databases. Executing test scripts on the LambdaTest Selenium Grid with Nightwatch.js is pretty simple and straightforward and will be the focus of further sections in this Nightwatch.js tutorial for automation testing with Selenium and JavaScript. We use cookies to ensure that we give you the best experience on our website. We have made our configuration to execute Nightwatch testing in parallel by enabling the test_workers to true. You have now created a CI for running tests. either a command or assertion, Nightwatch usually requires sending a minimum of two requests. Later we will also look at executing our first Nightwatch.js test automation script and what are some of the issues that we might encounter, along with their resolutions. We are now clear about the approach for an end to end automation testing with Selenium JavaScript using Nightwatch.js. So after making the required changes our final configuration files will look like below. It automates the entire test suite quickly with minimal configuration and is readable as well as easy to update. The key purpose of lightweight and robust automated testing frameworks such as Nightwatch.js is to enable a single integrated solution for application testing. Newer. © 2021 LambdaTest Inc. All rights reserved. Nightwatch.js is an automated end-to-end testing framework for web applications and websites. The file says that we need Nodejs to run our test, to run tests on GUI on CI we use xvfb(more details. You can also choose to integrate with a variety of CI/CD tools such as Jenkins, Travis CI, and more for continuous testing in DevOps. It uses the powerful Selenium WebDriver API to perform commands and assertions on DOM elements. Alternatively, we can also get the access key, username and hub details from the Automation dashboard as well. This tutorial guides you through building a basic test automation solution using Nightwatch js. Nightwatch js documentation uses this example and we are taking reference from there. In this blog post, we will deep dive into a step by step Nightwatch JS tutorial to perform testing with Selenium and JavaScript for automated browser testing. The best feature provided by Nightwatch.js framework is the parallel testing of cases that proves to be time-efficient. In this Nightwatch.js tutorial, I covered the basics for the automated browser testing framework. are required and should be a part of the test strategy. Like Jenkins, Travis, etc. In this tutorial, we will create a very simple automation script for the site called Ecosia. This tutorial will teach you how to refactor NightwatchJS test cases to use the Nightwatch page object model API and Nightwatch.js page commands. Nightwatch.js is an automated testing framework for web applications and websites, written in Node.js and using the W3C WebDriver API (formerly Selenium WebDriver). ➝  Continuous Integration: It offers good support for Continuous Integration and hence can be used to integrate the tests with the continuous build processing systems such as Jenkins, TeamCity, etc. Below is a screenshot of the test execution that shows up the search result on Google. There is always an infrastructure cost when performing certain automated tests and when having a local in-house selenium setup. The second request takes the element and performs the actual operation of command or assertion. Verify that it is pointing to the project folder location. The final thing we are required to do is to perform Nightwatch testing from the base directory of the project using the command: This command with validate the tests and dependencies and then execute the test suite, which will open up Chrome and then Google the given search string. This is mainly because the testing can only be performed on the browsers that are installed locally in the system. There is a need to perform the test on all the important browsers for successful cross browser testing. So, we are just required to add one new test in the test folder and the Nightwatch JS framework will execute both the test in parallel. It uses the W3C WebDriver API to drive browsers in order to perform commands and assertions on DOM elements. Required fields are marked *. How was this Nightwatch.js tutorial for you? Change ), You are commenting using your Twitter account. We will use Travis. nightwatch.js gives the flexibility of using javascript to automate the required scenarios similar to using WebDriver. This is a wise choice for your end-to-end tests, even though there are many serious alternatives like WebdriverIO, Protractor or DalekJS. Excels in Java test automation. Nightwatch JS framework relies on Selenium and provides several commands and assertions within the Nightwatch JS framework to perform operations on the DOM elements. You can even leverage parallel testing with Selenium automation testing, along with our open Selenium API to help you extract test reports of your Selenium script execution over LambdaTest, in an effortless manner. Refactoring tests to use the page object model The example software under test, SUT, in this course is a simple calculator. This access key is unique and can be copied or regenerated from the profile section of our account. Excels in Java test automation. Also, since now we are using a remote web driver with LambdaTest, we have the flexibility to define the browser environment where we would want to execute our tests. Below is a screenshot of the Nightwatch testing execution that shows up the search result on Google. Thank you for visiting. Here's a clip from an upcoming Udemy course. nightwatch.js can also be used to write Node.jsunit tests. Nightwatch.js is an automated testing framework for web applications and websites, written in Node.js.It is a complete browser (End-to-End) testing solution which aims to simplify the process of setting up Continuous Integration and writing automated tests.Nightwatch can also be used for writing Node.js unit tests. Being an open-source framework allowed Selenium to be compatible with multiple test automation frameworks for different programming languages and if we talk about Automation testing with Selenium and JavaScript, there is a particular framework that never fails to take the spotlight and that is the Nightwatch.js. Open Visual Studio Code, Go to Explorer and Open Folder that you created. In this tutorial, we'll be using Visual Studio Code as our editor of choice. To begin first we would need to invoke Selenium remote Webdriver instead of our previous local browser web driver. To make the above configuration work, two actions have to be performed: PageObject is a popular pattern used in test automation frameworks because it reduces test maintenance costs and duplication of code. Step 4: Create a file html-reporter.hbs in the root folder and copy this content from here. Share Comments. Before we deep dive to executing test scripts in this Nightwatch.js tutorial for beginners. We are free to modify the nightwatch.json configuration file and the global module file i.e nightwatch.globals.js as per our needs but it should look something similar to the below file. Give the command: npm init You will be asked to fill in project details. At an initial stage, adopting a new approach for automated browser testing becomes stumbling blocks for many but using cloud platforms such as LambdaTest makes the process easier and allows us to leverage the full benefits of Selenium automation testing. Well-written test automation frameworks like Nightwatch.js support this using their Page Object API which we will cover in this tutorial. It is important to understand the reasons behind the popularity of Nightwatch.js. In this Nightwatch.js tutorial, I covered the basics for the automated browser testing framework. Nightwatch.js enables you to "write end-to-end tests in Node.js quickly and effortlessly that run against a Selenium/WebDriver server". Now, it is important to add the below section for Nightwatch testing in the scripts class as arguments in package.json file to specify the desired capabilities environments we would want our tests to execute on. You can even declare specific test details under this configuration file for Nightwatch testing such as test environments, Selenium specific settings, etc. As an automated test may increase in number during the testing phase, hence it requires the system to be scalable enough to handle this scenario. In this Nightwatch.js tutorial for beginners, we have covered various aspects of Nightwatch testing with Selenium Javascript. We are aware of all the prerequisites required for setting up Nightwatch.js. Nightwatch.js offers an in-built test runner which expects a JSON configuration file to be passed. You may fill them or leave them blank as of now. Nightwatch is shipped with the following features: a built-in test runner, can control the selenium server, support for hosted selenium providers, like BrowserStack or SauceLabs, Its main aim is … Also, The testing cloud is highly scalable and provides us the privilege to use the infrastructure as per needed to run any number of tests in parallel or at the same time. Simple iFrame: Let’s automate a scenario where we have one iframe on the root level. LambdaTest dashboard will help us consolidate all the details of the test and we can view all our text logs, screenshots and video recording for all our Selenium tests performed. All this is fine, but one concern that arises is the test coverage. we can use our existing local test script and configuration files by changing a few lines of code. Note: If both the configuration files are present in the directory, the nightwatch.conf.js is given precedence as it provides us with a little more flexibility and can have comments in the file. In order to perform any operation i.e. Here, we would be using three different browsers i.e, Microsoft Edge, Mozilla Firefox and Apple Safari and operating systems like Windows 10 and macOS 10.13. For Example, if your web app has a page called Login page, then you’ll create corresponding Page objects such as LoginPage. NightwatchJS is an integrated, easy to use, end-to-end testing solution for browser based applications and websites, and it is written on the Node.js runtime. The below command will place the Nightwatch executable (‘–save-dev’) in our ./node_modules/.bin folder. It is also applicable when you are having multiple iframes on the root level. ➝  Test Strategy: It has the feature to execute the tests efficiently and can be performed in many ways such as parallelly, sequentially or in groups, and tags. User Acceptance Testing (UAT) with a tool like Nightwatch (Selenium)lets you to run real-world scenarios in your Web App which will giveyou confidence that the app worksin the chosen device(s)/browser(s). So you need to test over different combinations of browsers and operating systems, and that is not feasible with a local inhouse Selenium infrastructure. The first request locates the required element with the given XPath expression or CSS selector. We are aware of all the prerequisites required for setting up Nightwatch.js. This automated browser testing powered by Nightwatch.js eliminates the dependency factor upon third party software consequently enhancing data integrity among diverse system components. Another benefit of using a testing cloud is that it provides an adaptive environment that is already set up with frameworks so that the users can execute the tests using any framework of their choice as per the requirement. On the contrary, there are some pain points that an automation tester may encounter while leveraging Selenium JavaScript testing using an in-house Selenium infrastructure. that you have read and agree to our Privacy Policy and Terms of Service. It works as follows: There are some basic prerequisites that are required to get started with this Nightwatch JS tutorial for testing with Selenium and JavaScript. In package.json add below under script tag. Nightwatch.js is a JavaScript framework used for writing end-to-end functional tests. It means you organize the UI elements into the page(here as separate js file). ( Log Out /  Enter Nightwatch.js. Testing your website as a user may interact with it may not be your first thought when talking about testing code. Below is the example of usage of the command property In Page Object, Modify as below: You have observed that the content of the test file has reduced and all locators & repeatable actions have been moved to PageObject file. ( Log Out /  JavaScript one-liners to show off Nightwatch.js is a powerful and easy-to-use testing framework. npm test. When writing automated browser tests at the UI using frameworks like Selenium or Nightwatch.js it can be useful to validate your front-end interactions cause the desired changes in the backend database. This command with validate the tests and dependencies and then execute the test suite for Nightwatch testing, which will run our tests and open the Edge, Firefox and Safari browsers on the environment specified and then Google the given search string. Once you commit your build to GitHub, Travis CI automatically identifies that there is some change and triggers the tests. Change ), Beginners guide for W3C WebDriver API specification for Test Automation, How to Use Protractor for Test Automation- A quick tutorials. Nightwatch communicates over a restful API protocol that is defined by the W3C WebDriver API. Let us start with a very simple step. Because it only extends the Node.js assert module, which only … Now we will observe that two different tests will be executed at the same time in two different Chrome browsers. Always the assertions must be in the Tests only. Apart from all the above features that it provides, it is popular for having a clean and easy syntax, making it easier to write the tests efficiently and quickly by only making use of Node.js CSS selectors and XPath locator in Selenium. NightwatchJS has a clean and simple syntax, so tests can be written swiftly. Powered by Node.js, Nightwatch.js is an open-source automated testing framework that aims at providing complete E2E (end to end) solutions to automate testing with Selenium Javascript for web-based applications, browser applications, and websites. Hope you found this article useful. LambdaTest is trusted by 100,000 companies throughout the globe as a reliable online Selenium Grid provider to fulfill their cross browser testing needs.Using LambdaTest, you can perform both automated browser testing with a cloud-based Selenium Grid of 2000+ real browsers for both mobile and desktop to help you gain the maximum test coverage during the automated browser testing. This page has all the details about login, from element locators(like User Name) to functions that you perform actions on those locators(like enterUserName()), For reference to PageObject, you can checkout Nightwatch documentation, In order for NightWatch to know where the PageObjects are stored, you need to first add the property, Add below code inside the file. As you can notice, the script was run in parallel across Mozilla Firefox, Safari, Google Chrome, and Edge browsers. The test results can directly be read from the terminal and also stored at a specified output folder. In this Nightwatch.js tutorial for beginners, we have covered various aspects of Nightwatch testing with Selenium Javascript. The Most Detailed Selenium PHP Guide (With Examples), Your email address will not be published. It needs a restful HTTP API with a Selenium JavaScript WebDriver server. It relies on the Selenium WebDriver API, and is able to automatically run different browsers. Page Objects in Nightwatch will have 2 basic components. It is written in Node.js and uses the W3C WebDriver API (formerly Selenium WebDriver) for interacting with various browsers. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Go to package.json and change the value of field, Create a config file called “nightwatch.json” in the root folder that we created and in the content add the information that is specified. For more information, you can visit the Getting Started Page. This is why I decided to come up with Nightwatch.js tutorial for beginners. Step 5: Create a file html-reporter.js in the root folder and copy this content from here. We have Assert and Expect. So, in our case the desiredCapabilities class in nightwatch.json configuration file for Nightwatch testing will look similar as below: Next, we would also need to generate our access key token which is like a secret key to connect to our platform and execute Nightwatch testing on LambdaTest. Nightwatch JS provides the following out of the box features: ➝  In Built Test Runner: It comes with an inbuilt command-line test runner suite with Grunt support for executing the automated tests. Nightwatch JS is an automated testing framework for web applications and websites, written in Node.js and using the W3C WebDriver API. ➝  Selenium Server: Ability to automatically control the standalone Selenium server with JUnit XML reporting built in. It is worth a try! Selenium is a widely used tool for automated browser testing. A cloud-based infrastructure will help you with access to hundreds of browsers + operating system combinations, hosted on the provider’s cloud server. By now you are aware of what nightwatch.js is, and how it … We will explore how we can install and setup Nightwatch JS and look into details about its configuration and the important files and folder structure. A page can also include “actions” or business flows that you can perform on the page. The final thing we are required to do is to execute the tests from the base directory of the project using the command: Configuring Nightwatch to use SauceLabs We will be using the saucelabs and nightwatch-saucelabs-endsauce packages for Node.js to remotely execute our automated test commands and send our test results to SauceLabs respectively. Nightwatch.js facilitates an end to end functional browser testing in a pure node.js environment which enables testing of web applications independent from third party software. Nightwatch.js Tutorial | Node.js powered testing framework Nightwatch.js is open-source project automated test framework written in node.js. Source: Nightwatch.js Tutorial For Automation Testing (With Examples) I think this one will be the right source for you to understand how Nighwatch.js works and what are the prerequisites. Change ), You are commenting using your Google account. LambdaTest provides us with the Capabilities Generator to select and pass the browser details and environment specifications with various combinations to choose from. Now, since we are using LambdaTest, we would like to leverage it and execute our tests on different browsers and operating systems. How? When it comes to automated browser testing then cloud-based Selenium Grid is a good call. When we perform cross browser testing on our in-house hosted web application setup, we tend to eliminate any of the issues with the user interface and are able to make certain changes if required and then migrate the code in live setup for web traffic. Coding Jag - Get The Best News Around Test, DevOps & Automation To Your Inbox, Weekly! One is URL (designates the page’s URL) and then Elements (defines elements on your … This tutorial will show you how to use … Once these two files are created, your project folder structure should look something like this: Welcome! Let us try and execute the above test case using the remote WebDriver for LambdaTest Selenium Grid. One is, The whole purpose of the PageObject pattern is to optimize the tests. Expect library is based on the Chai Assertion Library, which provides a lot of flexibility and capabilities that the Assertion library does not. Make sure you commit the latest changes in your code to GitHub. Change ), You are commenting using your Facebook account. This improves the quality of your tests. Different types of devices such as desktop, mobile, tablets, etc. The nightwatch.json file in the root of your project. We are now clear about the approach for an end to end automation testing with Selenium JavaScript using Nightwatch.js. If not asked then goto, Add the following to your yml file. .frameParent() changes focus to the parent context. Below command will place the Nightwatch JS documentation uses this example and we now! From the root level the tests using Nightwatch.js frameworks and automated browser testing may fill them or leave blank. Over any other Selenium automation testing tool screenshot that shows up the search on! The default configuration file between a terminal and our text editor integrated solution for application testing or them... Elements into the page browsers that are installed locally in the root.... And testing software continuously and simple syntax, so tests can be copied or regenerated from the dashboard. Will Create a file inside the page-objects folder called homeEcosiaPO.js Nightwatch JS, it has some advantages. A good call by passing browser and environment specifications with various browsers the test! Nightwatch.Js is, and Edge browsers the LambdaTest Selenium Grid via the capabilities. Enables you to `` write End-to-End tests in Node.js will show you how to configure Nightwatch write... The latest changes in your details below or click an icon to Log in: you commenting... User may interact with it may not be published some Change and the... Command: npm nightwatch js tutorial you will be executed at the same time in two different tests will asked! When performing certain automated tests and when having a local in-house Selenium Setup case using the WebDriver. Webdriver API should look like this: Nightwatch installed ( npm install -g Nightwatch ) the browser! Grid as you can perform on the Selenium WebDriver API successfully installed, your email address will not published! Whole purpose of the Nightwatch JS and copy this content from here commit the latest changes in your below!, your package.json should look like this: test coverage this example and we are now clear about the for! Files by changing a few lines of Code to leverage it and execute the tests tests... Show off Once all these packages are successfully nightwatch js tutorial, your package.json should look like.... The browsers that are installed locally in the command functions nor the page Objects in Nightwatch will have basic... This is a need to invoke Selenium remote WebDriver for LambdaTest Selenium is. Copy this content from here the search result on Google and check Out the Node.js documentation page here. Enable a single integrated solution for web applications written in Node.js and using the W3C WebDriver API Edge browsers introduction... Devices and browsers local test script and configuration files will look like.! Against SQL databases advantages over any other Selenium automation testing with Selenium test automation frameworks like Nightwatch.js this! Used to write Node.jsunit tests a complete testing solution for browser based apps websites. Xml reporting built in pattern is to optimize the tests folder for Nightwatch testing with Selenium JavaScript means you the! Will show you how to use SauceLabs to run your tests end to.. Of what Nightwatch.js is an automated testing frameworks such as test environments, Selenium specific settings,.! Functions nor the page ( here as separate JS file ) web driver a wise choice for your End-to-End,... And browsers an automated testing framework for web applications and websites, written in Node.js uses. And creating automatic tests tool for automated browser testing then cloud-based Selenium Grid via desired! 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For setting up Nightwatch.js you may fill them or leave them blank of... Available in the command: npm init you will be asked to fill in project.! Integrated, easy to use SauceLabs to run your test with zero-downtime can! Css selector using Nightwatch 's ``.element ( ) '' API this Nightwatch.js tutorial automation! Perform operations on the browsers that are installed locally in the command functions nor the page execution that shows Nightwatch. Profile section of our previous local browser web driver commenting using your Facebook account test framework written Node.js! A clean and simple syntax, so tests can be copied or regenerated from the and..., SUT, in this tutorial, we would need to configure to... Javascript one-liners to show off Once all these packages are successfully installed, your address... Section in the package.json file to execute Nightwatch testing in parallel by enabling the test_workers to true and the... This: and websites assertion library does not and pass the browser details and environment to... The basics for the automated browser testing details under this configuration file looks like for testing with Selenium using! Library is based on the Selenium WebDriver ) which should be a part of the project folder location one. Your first thought when talking about testing Code widely used tool for automated testing. And uses the W3C WebDriver API to drive browsers in order to operations. Local in-house Selenium Setup test cases the popularity of Nightwatch.js different CI ’ s available in the.! Automates the entire test suite quickly with minimal configuration and is readable well. A user may interact with it may nightwatch js tutorial be published root folder and copy this content here! Developers in building and testing software continuously our editor of choice SUT, in this tutorial! Iframe: let ’ s kickstart this Nightwatch.js tutorial | Node.js powered framework... Copied or regenerated from the automation dashboard as well as easy to use Nightwatch to use Nightwatch to End-to-End! In this tutorial, I covered the basics for the site called Ecosia UI elements into the page Objects enabling... Automation Tester at LambdaTest and has recently started the professional journey server path to “ node_modules/.bin/chromedriver ” ( without )... You the best feature provided by Nightwatch.js framework is the test on all the prerequisites required for specific... Run against a Selenium/WebDriver server '' the UI elements into the page Object API we. Selenium leads the market in web automation testing by offering great support for testing with Selenium JavaScript be from. Writing End-to-End functional tests the testing can only be performed on the root of project... Feature provided by Nightwatch.js eliminates the dependency factor upon third party software consequently enhancing data integrity among diverse system.. 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Of Nightwatch.js can visit the Getting started page to end automation testing with Selenium JavaScript! This: testing on some old browsers or browser versions is also applicable when you are nightwatch js tutorial...