It is a comprehensive guide for test automation with Selenium IDE, covering various topics and techniques for effective web testing.
OVERVIEW
On the Internet, there are millions and billions of websites. Have you ever considered the fact that they work nearly flawlessly? The most important thing for their seamless working is that they were tested thoroughly using various tools, one of which is Selenium IDE.
We will look at the introduction to Selenium IDE, its features, and its advantages. Along with these, we will also look at its architecture, how to install it on different browsers, running a sample test, and some best practices, and towards the end, we will see how to integrate Selenium IDE with other tools.
Before we dive into Selenium IDE, let’s have a brief look at Selenium itself so that you have a better understanding of Selenium IDE as a product across the selenium suite.
Selenium is one of the most well-known open-source test automation frameworks. It enables test automation of websites or web applications across various operating systems & browsers. Additionally, it supports a variety of computer languages, including Python, C#, Java, JavaScript, and more, enabling testers to automate their website testing in whichever programming language they are most comfortable with.
Selenium suite consists of 3 different tools classified as:
Selenium IDE (Integrated Development Environment) provides a record and playback tool that will generate scripts based on actions performed on a browser. We will dive deep into this topic in the further sections of this blog.
Selenium WebDriver offers a more reliable and object-oriented method of automating browsers. Writing automation scripts in programming languages like Java, C#, Python, Ruby, and JavaScript are possible with WebDriver. By interacting with the browser directly, it will programmatically control it. Numerous browsers, including Chrome, Firefox, Safari, Edge, and others, are supported by WebDriver.
Selenium Grid enables parallel test execution by allowing you to split test execution across several physical or virtual machines. You can simultaneously run tests on several browsers, operating systems, and machines thanks to its integration with Selenium WebDriver. Several nodes and a hub make up the Selenium Grid. Tests are disseminated to the available nodes for execution from the hub, which serves as a central location for test registration.
Selenium IDE is an open source record and playback web application testing software provided as part of the Selenium suite. It is an Integrated Development Environment (IDE) with a rich GUI (Graphical User Interface) for Selenium that simplifies the process of creating Selenium test cases and executing automated tests for web applications by a simple record and playback concept. One does not require a special setup to use Selenium IDE, as users can just add a simple extension of the specific browser to use it.
Selenium IDE was first created by Shinya Kasatani and later donated to the Selenium project in 2006, which has been actively maintained by them since 2018. It supports multiple programming languages and frameworks and provides a simple interface for beginners to start testing their developed web applications without any advanced programming knowledge.
Imagine you own a website for blogging with a few hundred blogs. It is popular in the tech community and receives huge traffic. The users will be using mobile phones, tablets, desktops/laptops with variable screen sizes to read the blogs. Testing every functionality or behavior of the website might take a lot of time if done using manual testing, but not impossible.
One of the smart ways of doing this is to use Selenium IDE. It will help you automate the testing process and reduce the need for manual testing, which in turn helps developers and testers to fix bugs or any other issues efficiently and quickly. Moreover, it is user-friendly for users who do not have a programming background, making it an excellent tool for testing web applications.
While Selenium IDE simplifies test automation, integrating it with AI-driven tools like KaneAI from LambdaTest can take your testing efforts a step further.
KaneAI enhances the power of Selenium IDE by leveraging artificial intelligence to generate smarter, faster test cases. It can help automate repetitive tasks, optimize the test coverage, and ensure the stability of your testing process even as your application scales. This makes KaneAI an ideal solution for teams looking to boost efficiency while maintaining quality as they grow.
It provides a range of features for creating and executing browser automation scripts to test web applications. Here are some key features of Selenium IDE:
Note : Automate your tests on a Selenium based cloud Grid of 3000+ real browsers and devices. Try LambdaTest Now!
The primary use focus of Selenium IDE is to “record and playback”. It is an easy-to-use tool; hence, a person with no programming background can easily understand and use it in their projects/business.
Selenium IDE can export test cases in various programming languages like Java, C#, Python, Ruby, and others. As a result, users may take recorded tests and incorporate them into automation testing frameworks, if necessary.
The recorded interactions can also be altered and improved with other commands and assertions to develop more complex and reliable tests. Test cases can also be organized into test suites, and the results of test runs are displayed in a log and summary report. Selenium IDE provides a simple, easy-to-understand graphical user interface (GUI) for test creation and management.
The installation process is quite easy as it is as simple as installing an extension from the web browser. Before deep-diving into using the tool, let's first discuss its architecture and working principle.
Talking about Selenium IDE Architecture, it is very simple and easy to understand in one go. So there are three major parts of it.
It consists of 3 main actions, which are explained as follows:
Selenium commands referred to as "Selenese," constitute the series of instructions employed within Selenium IDE to execute your test scenarios. Selense commands provide the actions that should be performed while testing a web application, such as identifying related elements on UI based on HTML Tags, operations involving the mouse, etc.
Selenium commands can be broadly classified into three categories:
Actions in Selenium are a set of commands that serve to alter or modify the state of applications by providing inputs to text boxes, triggering events that click on links, or selecting options from dropdown. If an action command faces a failure due to issues in execution flow or a bug, the current test script's execution may be halted or interrupted.
Some of the most used action commands are:
Accessors in Selenium is a set of commands that evaluate the state of an application and store the required details into variables.
Some of the most used accessor commands are:
Assertions in Selenium are a set of commands that help testers validate the state of an application. These instructions compare the expected state with the actual state of the application to determine whether the test case passes or fails. The three primary modes for utilizing assertions are assert, verify, and waitFor.
Some of the most used assertion commands are:
Selenese commands as a whole provides testers with a powerful set of tools for creating, editing, and debugging test cases effectively. The simplicity of Selenese makes it accessible to users of all skill levels, enabling quick test case development and prototyping within the IDE.
Selenium IDE is a robust tool for web application testing that offers several advantages to its users. Here are some key advantages of using Selenium IDE:
While the tool excels in rapid test case development and boasts an intuitive user interface, its reliance on the record-and-playback method poses challenges when dealing with dynamic web elements or complex test scenarios. This section aims to explore these limitations, offering insights into scenarios where Selenium IDE.
Here are a few limitations associated with Selenium IDE:
Now that we have a fair understanding of what Selenium IDE is, its features, where it is placed in the Selenium suite’s product line, and its working; let’s deep dive looking into the installation process and run the first test!
Nowadays, most of us are using Google Chrome, Mozilla Firefox, or any reputable browser. So, if you already have a browser installed except Safari Browser on your computer, you don't require anything else to use Selenium IDE because it is a browser extension.
Now let's start with the installation process for various browsers:
Both support the chrome web store natively. So, if you want to download and run the Selenium IDE on it, just follow the installation process of the Chrome browser.
Sadly, Selenium IDE has no official release for Safari.
The UI (User Interface) of Selenium IDE provides a complete and intuitive environment for creating and executing automated test cases for web apps. It offers a range of features and tools that help users in efficient recording, editing, and playing back test scripts.
For this demonstration, we are going to use Chrome as the browser.
Let’s look at the interface of the application:
Test cases were created to verify the functionality of a feature or component using Selenium IDE. It aims to ensure that users can successfully log into the application using valid credentials. There are three major processes that are provided by the IDE.
Let's start with the first step of the process:
List of step-by-step instructions to record a test are as follows:
After completing the above steps, you are all set to record your first test case. With a simple press of a button on the right side of the window with the name “REC”(START/STOP Recording Button).
After pressing the REC button, you will be redirected to the browser, and it will open the website. Now whatever you do is going to be recorded by the IDE, and it will be converted to a script.
The activity that was done on the webpage.
The list of all your activities with the browser is now displayed in the Text Editor box:
Now that script is recorded, it's time to play it.
On the IDE's toolbar menu, select the "Run Current Test" button.
It will carry out all of your browser interactions and provide you with an overall breakdown of the test script that was run.
The log Reference pane shows an overview of all run test scripts.
Now that everything is working as expected, let’s save the test suite for future use.
The save button is located in the menu bar's upper right corner.
The test suite will save as “Test_Project.side”. We will see how to run this file later in the blog.
From the left panel select the test case right-click on the three dots and select the Rename option to rename your existing Test case
From the left panel select the test case and right-click on the three dots and select Delete option to remove your existing Test case
Now that the basic test case is running properly. Let’s learn some new commands which will help to develop custom scripts along with the generated scripts. These techniques empower testers and developers to create robust automated tests with increased precision and customization.
There are various commands which are available in the Selenium IDE. But the most common ones are as follows:
If you want to get more details about each command, refer to Selenium-IDE-Control-Flow-Docs.
Let's discuss some commands by implementing them within the previous test case.
If:
It is the command used to start a conditional block.
You also have to add a JavaScript expression that you want to evaluate. Variables that were previously created by JavaScript expressions in your test could make up for this. All of this enters into the if command's target input field. The test will run the subsequent commands till the next one if the expression evaluates to true.
Else:
The last possible condition in an if block is the else condition. This command will only be carried out if none of the prerequisites are satisfied. When finished, it will execute the end command.
End:
The conditional command block terminates with this command. If you try to run your test without it, you'll get an error message informing you that the command block is incomplete.
One must need to use end along with if to avoid runtime errors.
Let’s discuss one example to get a better understanding of the commands.
In this example, you have to fetch the title of the webpage and print matched if it is “Sample page - lambdatest.com”, else print unmatched.
Once the script is executed it will give the output in the log, reference pane.
With a times command, you can indicate how many times a group of commands should be executed. The target input field of the times command receives the number.
Use the end command to finish the times command block.
There are other commands like while, forEach, and do, which work quite similarly to times.
Let’s consider an example where one needs to print a statement 5 times after 3 items are marked.
Store command:
The store command in Selenium IDE is used to store variables. The example below puts the word "lambdaTest" in a variable called "name". Simply wrap the variable in a $"{...} sign to have access to it.
Depending on whether the provided element is present, this command either stores "true" or "false". The script below assigns "true" to "value1" and "false" to "value2" for Boolean values. We'll use the "echo" command to display the values of values value1 and value2 to confirm.
Store Text command:
With the help of this command, you can store a variable with the inner text of an element.
Script debugging was not supported by the previous versions of Selenium IDE. The inability to change scripts and the absence of debugging assistance were viewed by testers considering utilizing the IDE for Selenium automation testing as deal-breakers.
You also receive tools like establishing breakpoints and pause exceptions. Click on the Toggle breakpoint button after locating the place in the test script where a breakpoint has to be added. In the following illustration, the execution has come to an end at the moment where it hits a breakpoint:
One of the roadblocks while using Selenium IDE is that the generated scripts are not reusable and require continuous maintenance against the web application being tested.
To avoid this problem, one must keep these points in mind:
Several features and qualities are considered "good to have" as they enhance the overall development experience and productivity. These attributes can vary depending on the use case of the selenium IDE being used, but here are some general aspects that are often beneficial, which we will look at in this section.
Most of the software we use has some pros and cons. The same goes with this IDE too. Some of the cons, like limited browser support and lack of advanced features, can only be addressed by using relevant tools. However, some of them might be overcome with better practices.
Some of the challenges and how to overcome them:
Optimization of the test case without compromising its effectiveness is very important and crucial at the same time. This will help to enhance the efficiency and productivity of the test scripts. Some of the methods discussed below are to use waits, parallel testing, and many more.
The ".side" file is a key feature of Selenium IDE. Users can effectively organize and manage their test automation projects by using it as a container for test cases and test suites. Test cases saved as ".side" files can be readily shared to many Selenium IDE instances and with other team members. Collaboration, information exchange, and effective distribution of automated testing are made possible as a result. Additionally, the ".side" file format is compatible with version control programs like Git, allowing users to efficiently collaborate, track changes, and manage various test case versions.
Apart from this, the “.side” file is platform and browser friendly. So suppose you record your tests on the Chrome browser; you can easily run and test the script with other browsers like Firefox, Edge, Safari, and Opera with the help of a side runner.
In this section, we will look at how to run a .side file in the Firefox browser. The process for running a “.side” file locally on a different browser takes a few more steps after exporting the file from the Selenium IDE.
Prerequisites
To run your “.side” file on a Firefox browser, you first need to install node on your system.
Follow the steps to install Node.js.
Once node is installed, you can check its version by running the following code in cmd(Windows) or terminal (macOS or Linux).
node -v
As discussed earlier, let’s install a side-runner with the help of the npm package manager by writing the following command:
npm install -g selenium-side-runner
Above command will install the latest version of the Selenium side runner, which is supported by Selenium 4.x.x .
If you want to use Selenium 3, you have to install the supported version of the side runner. For example, you can use the below commands to install Selenium and side runner.
pip install selenium==3.141.0
npm i -g selenium-side-runner@3.14.0
Whether you are using Selenium 3 or Selenium 4 running the “.side” file follows the same command.
Let’s run the file we saved earlier on the system with the name “Test_Project.side”
The following code will execute the .side file’s test case on the Firefox browser:
selenium-side-runner -c "browserName=firefox" Test_Project.side
Output:
We are using Selenium 3 to run the Selenium IDE “.side” file on the cloud grid.
Use the below code to install specific selenium version:
pip install selenium==3.141.0
Therefore, for SIDE to operate with the LambdaTest platform, you'll need to install a few dependencies before you can begin automating Selenium tests:
npm i -g selenium-side-runner@3.14.0
Registered account on LambdaTest – You will require an authentic account on the platform as LambdaTest will be used for automated testing using Selenium IDE. To use LambdaTest to perform Selenium testing, click the signup link. The user name and access key needed to access the platform are contained in the profile link.
Get the username and Access key from the Password and Security section of the profile.
Open your saved “.side” file or once the new project is saved, navigate to the Test Suites available in the left-side panel or use the command ctrl+2 | cmd⌘+2.
You must right-click the test suite and select Settings to enable parallel testing for this Selenium IDE lesson. Enable Test in Parallel in the Settings window. It is significant to remember that the Cloud Selenium Grid only supports parallel testing when tests are run through the SIDE Runner (and not the Selenium IDE GUI).
You must give the required WebDriver capabilities along with the URL to the Grid to execute the tests on the LambdaTest Cloud Selenium Grid. LambdaTest is an AI-powered test orchestration and execution platform that lets you run manual and automated tests at scale on over 3000 real devices , browsers, and OS combinations.
Command Structure:
Chselenium-side-runner <filename> --server <LambdaTest Grid URL> --capabilities <Browser Capabilities>ange
If you do not want to change the OS or browser then you can directly run the below command to run your test on LambdaTest:
selenium-side-runner "Test_Project" --server https://username:access_key@hub.lambdatest.com/wd/hub -c "browserName='Safari' version='14' platform='MacOS Big Sur'"
To learn more about using parallel testing and how to store capabilities in a different file and use it. Follow this running Selenium IDE test on the online Selenium Grid
To run the generated scripts from the IDE, there are various options that it provides for various programming languages and testing frameworks such as JUnit, XUnit, Mocha, pytest, and RSpec.
To get the file according to the preferred platform you just need to do some basic steps:
To test the web application on a particular operating system’s browser and version, one needs to install it on the system, without explicitly installing and running the test case, one cannot test. But practically, it is impossible to do it as it will be cost-heavy and time-consuming. The issue can be addressed by using cloud-testing platforms. Let’s discuss some of the benefits of using it.
Selenium IDE met its demise with the release of Firefox version 55.0 on August 8, 2017. Since then, the Applitools IDE team embarked on a reimagining process, leveraging modern APIs and integrating Sideex and fragments of the original IDE code. Unlike the previous version exclusive to Firefox, Applitools has endeavored to create a new version that caters to browsers supporting web extensions, currently including Firefox and Chrome. The latest iteration introduces numerous advancements. Some of them are as follows:
In this comprehensive guide, we looked at how Selenium IDE is growing in popularity among testers and developers thanks to its wide range of capabilities that make cross-browser testing, parallel testing, and test script maintenance simple. Additionally, we also learned how to generate scripts and play them on various browsers. We also explore some of the commonly used commands of the IDE, like if, else, times, and end.
Selenium IDE now offers features consistent with Selenium WebDriver's feature development, going beyond the limitations of its earlier record and playback capabilities. Moreover, the Selenium framework's code export feature has emerged as one of the best resources for getting started with automated browser testing.
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