Selenium Mocha Tutorial – How To Run Your First Test on Cloud

Selenium Mocha Tutorial – How To Run Your First Test on Cloud
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In the modern landscape of software development, it is essential to ensure the functionality and dependability of web applications. This is where Selenium became a powerful testing framework that allows developers and testers to automate browser interactions by replicating user actions to validate the behavior of web applications. Associated with the Mocha testing framework, it furnishes a structured and user-friendly testing environment, where Selenium becomes an even more powerful tool.

This blog will guide you through the whole process of running and operating your first Selenium automation testing using the Mocha testing framework in a cloud environment. By harnessing the capabilities of Selenium and Mocha, and leveraging the cloud’s flexibility, you’ll be empowered to develop and run complete tests for your web applications by guaranteeing their functionality across different browsers. Let’s embark on this journey to master Selenium, Mocha, and cloud-based testing for a more vigorous and efficient web development venture.

What Is Selenium? 

Selenium is a widely used open-source framework developed for automating web browser interactions to execute automated testing for various newly developed web applications. It facilitates developers and testers to emulate user interactions with web pages through various application features. By automating these interactions, Selenium ensures the flawlessness and trustworthiness of web applications across various browsers, operating systems, and circumstances.

Understanding The Selenium Framework

Selenium furnishes a suite of tools and libraries that cater to various factors of web testing:

Selenium WebDriver: Selenium WebDriver is a segment, which empowers you to automate user interactions with web browsers instantly. It equips a group of APIs in different programming languages that enables you to develop automated tests. WebDriver acts just like a bridge between your test script and the browser by enabling you to control browser actions through a different program.

Selenium IDE: Selenium IDE is a browser extension. It furnishes a record-and-playback process for developing test scripts without any programming knowledge. While it’s beneficial for easy testing tasks. WebDriver delivers more flexibility and control for complicated scenarios.

Selenium Grid: Selenium Grid allows you for distributed testing by executing various tests on different machines and browsers simultaneously. This is especially useful for achieving cross-browser and cross-device testing to secure constant behavior across various circumstances.

Selenium Remote Control (RC): Selenium RC was one of the initial versions of Selenium. It allows you to perform remote control of browsers for testing purposes. WebDriver substituted this remote-control process due to its more advanced features and enhanced performance.

What Is Mocha? 

Mocha is a famous JavaScript testing framework developed for documenting and executing test suites and test matters in a structured and systematic way. This framework is mostly utilized in both the frontend and backend development processes to execute unit and integration tests.  Mocha furnishes an easygoing and user-friendly procedure to test JavaScript applications. In this modern age, it becomes an important tool for maintaining codes’ grades and assuring software behaves as expected.

Key features of Mocha

Mocha framework’s clarity and versatility drive it as a preference for JavaScript developers seeking to establish robust testing procedures. Its capability to acclimate to various testing techniques, manage asynchronous operations, and seamlessly incorporate with other tools enables efficient testing workflows. Here are some key features of Mocha, mentioned below. 

Flexible Testing Structure: Mocha supports different testing structures, empowering application developers to determine between various techniques, such as BDD (Behavior-Driven Development) and TDD (Test-Driven Development). This flexibility adjusts various testing principles and priorities.

Asynchronous Testing: Mocha is well-suited for testing asynchronous code, which is common in JavaScript applications. 

Test Suites and Test Cases: Mocha equips you to manage your tests into analytic units called “describe” blocks, which illustrate test suites. Within these, respective test cases are defined by using “it” blocks. This hierarchical layout improves readability and maintainability.

Hooks: Mocha equips “before,” “before Each,” “after,” and “after Each” hooks that permit you to set up and tear down required resources or formatting before and after running tests. This provides a constant circumstance for each test case.

Extensibility: Mocha’s modular architecture permits you to use different plugins and reporters to customize the testing procedure and develop different types of output structures.

Integration: Mocha can be easily combined with assertion libraries like Chai or built-in assertion techniques in Node.js to enable clear writing and definitive test reports.

Reporting: Mocha delivers informative test information that portrays the results of each test case, making it uncomplicated to determine which tests have passed, failed, or encountered process errors.

Command-Line Interface (CLI): Mocha’s CLI allows you to execute tests from the command line. It makes the process consistent with automated testing methods and continuous integration.

What Is Cloud? 

Cloud computing refers to a network of remote servers that equips you with different computing resources and services over the internet. There are different service models and deployment models present in the market related to Cloud as mentioned below.

Service Models of Cloud


  1. Infrastructure as a Service (IaaS): IaaS cloud providers propose virtualized computing resources over the internet. By using IaaS, you can lease virtual machines, storage, and networking elements. It also furnishes a high degree of management over the infrastructure without any physical maintenance.
  2. Platform as a Service (PaaS): PaaS is another cloud platform, where developers can develop, deploy, and supervise applications without dealing with the underlying infrastructure. It includes so many tools and libraries to facilitate application development.
  3. Software as a Service (SaaS): SaaS primarily offers a complete operational application that you can use over the Internet through any web browser without installing any software on your system.

Deployment Models of Cloud


Public Cloud: In a public cloud, resources are available from third-party cloud providers. Here resources are accessible to anyone over the Internet. 

Private Cloud: A private cloud is worked for a single organization and is managed by a third-party provider. 

Hybrid Cloud: A hybrid cloud incorporates features of public and private clouds. It permits data and application sharing by providing flexibility and optimization of resources.

Community Cloud: A community cloud is a shared storage by multiple organizations with similar necessities.

Multi-Cloud: A multi-cloud approach involves using services from multiple cloud providers.

Benefits of Cloud Computing

Scalability: Cloud resources can be scaled up or down based on their demand. It provides efficient utilization and cuts down the overall expense.

Flexibility: Users can access resources and services virtually anywhere with a stable internet connection.

Cost-Efficiency: Organizations can pay only for the resources, to avoid infrastructure costs.

Elasticity: Cloud resources can automatically modify themselves to accommodate fluctuations in workload.

Rapid Deployment: Cloud services enable faster application development and deployment.

What Is Selenium Automation Testing? 

Selenium automation testing is the procedure of utilizing the Selenium framework to automate the testing of a particular web application. It involves script writing or code to simulate user interactions with a web browser. Selenium furnishes a set of tools and libraries that facilitate testers and developers to automate repetitive tasks, execute functional testing, and validate the behavior of web applications across different browsers and operating systems.

Advantages of Selenium Automation Testing

Efficiency: Automated test executions with Selenium are much quicker than manual test processes which increases testing efficiency.

Accuracy: Automation testing decreases the risk of human mistakes during repetitive tasks.

Reusability: Test scripts for Selenium automation testing can be reused for regression testing to ensure existing functionalities remain unaffected by further modifications.

Consistency: Automated tests provide consistent and repeatable outcomes across various test executions.

Cross-Browser Compatibility: Selenium supports different browsers, helping in testing applications across different environments.

Continuous Integration: Selenium automation testing can be combined into CI/CD pipelines which allow automated testing as part of the development process.

What Is Mocha Automation Testing? 

Mocha automation testing directs you to use the Mocha testing framework to automate the testing related to JavaScript applications. Mocha is a widespread JavaScript testing framework that delivers a flexible and user-friendly environment for developing and executing test cases simply. It’s especially well-suited for testing so many asynchronous codes by making it a useful instrument for testing JavaScript applications.

Advantages of Mocha Automation Testing

Flexibility: Mocha supports various testing techniques, including Behavior-Driven Development (BDD) and Test-Driven Development (TDD). Its main agenda is to acclimate various developer preferences.

Asynchronous Support: Mocha’s support for asynchronous testing constructs it as an ideal equipment for testing JavaScript applications. It involves various processes like callbacks, promises, and async operations.

Clear Structure: Mocha’s hierarchical configuration with test suites and cases enhances the readability and maintainability of test code.

Ease of Use: Mocha’s straightforward syntax and simple reporting process make it easy for developers to compose and analyze test results.

Integration with Tools: Mocha can integrate with other tools like continuous integration systems.

How to Run Your First Test by Using Selenium on Cloud

Executing your first test utilizing Selenium on a cloud-based environment like LambdaTest involves a few steps, including setting up the required tools, documenting a basic test script, and configuring the cloud environment for the process. Here are the following steps mentioned below.

Setup The Account: Sign up for an account on the chosen cloud testing platform. You need to configure your account settings with the desired preferences.

Access Cloud Platform: Log in to your cloud-based Selenium testing platform account.

Create a New Test: Create a new test or project by selecting Selenium within the platform’s dashboard.

Choose Testing Configuration: Select desired browser and operating system combinations for your test. You need to specify additional configurations, such as browser version and screen resolution.

Configure Remote WebDriver: Modify your test scripts to utilize a remote WebDriver model provided by the cloud platform.

Record or Define Test Scenario: Platforms like LambdaTest allow you to record your interactions with the application using a visual interface. 

Run the Test: Start the test execution using the platform’s interface.

Monitor Test Progress: Observe the test execution as the cloud platform emulates user interactions with your application.

View Test Results: Once the test is completed, access the test results section on the platform’s dashboard.

Troubleshoot Issues: If the test encounters any errors, review the logs and screenshots to specify the cause of the problem.

Repeat and Iterate: Based on the test outcomes, make necessary developments to your application or test script. Repeat the test to assure that problems have been resolved.

How to Run Your First Test by Using Mocha on Cloud

Set Up Cloud Account: Sign up for an account on a cloud-based testing platform like LambdaTest that supports the execution of Mocha tests. 

Test Environment Configuration: Reconfigure the test environment with the browsers by considering their versions. You need to take a proper operating system to test your application.

Create a New Test Project: Relying on the platform, you may require to create a new project or testing environment.

Upload or Define Test Files: Some platforms permit you to upload your existing test files, while others may require you to illustrate your tests using their interface.

Specify Test Entry Point: Show the main file or script where your Mocha tests are defined.

Configure Remote WebDriver: Modify your test scripts to utilize a remote WebDriver model provided by the cloud platform.

Configure Test Parameters: Specify any additional parameters or flags needed for running Mocha tests, such as reporters, timeouts, or distinctive test files.

Start Test Execution: Start the test execution procedure using the platform’s interface.

Monitor Test Progress: Observe the test execution as the platform executes your Mocha tests.

View Test Results: Once the test is completed, access the test outcomes section within the platform’s dashboard. Reanalyze detailed information about test outcomes.

Troubleshoot Issues: If the test encounters any errors, review the logs and screenshots to specify the cause of the problem.

Access Historical Data: Most cloud-based testing platforms maintain a history of your test executions, entitling you to track progress over time and compare results.


In conclusion, this tutorial blog has shown you through running your first Selenium Mocha test on a cloud platform. By harnessing the strength of Selenium for browser automation and Mocha for structured testing, you’ve initiated a journey toward more efficient and trustworthy testing methods. Looking ahead, the integration of cloud services guarantees extended testing scalability with enhanced cross-browser compatibility to ensure a potent testing environment for future software development efforts.