Cross Platform Testing: Tools and Practices

Previously, software was primarily designed for two types of devices: computers and mobile devices. However, in the present day, software devices are no longer limited to just mobile and computers but a host of other platforms. Cross platform testing is a new concept that helps ensure that developed software is compatible with any device or platform. This is to ensure no issues wherever it is used.

Let me offer you some more insights about software development and cross platform testing tools. 

What is Cross Platform Testing?

Cross-platform testing is a protocol to check software compatibility across multiple platforms. I mean the hardware or software environment where an application is intended to run, by platform in this context. 

With such testing, you can easily verify the functionality and performance of the software across multiple operating systems. With this, you can understand what is cross-platform testing. The primary necessity is to develop user-centric software compatible with different platform users.

Cross-platform testing focuses on key features like functionality and usability across platforms. Let me provide an example where we had developed a payment application.

Importance of Cross-Platform Testing

With the expansion of internet usage, there is an increase in users accessing several types of applications. For an application to perform flawlessly, it is important to test it across several platforms. Different devices are known to change the user experience for the same application on different platforms. 

Cross platform testing ensures that a developer can successfully adapt the software as per the needs of the platform. However, without proper alignment, the chances of software malfunctioning also increase. The usual strategy for testing involves checking software with the most recent versions of software.

Let us take an example of software that is working fine on Google Chrome, but does not work appropriately in Safari. Such problems mainly arise due to a lack of proper compatibility testing as well. Therefore, with cross platform testing you can take note of such issues and resolve them during the development phase only. 

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How Does Cross Platform Testing Work?

As far as my experience there are certain steps to cross platform testing these are as follows: 

• Development of the Software or the Application 

The software or application is developed from scratch by coders initially. This is done on the basis of the needs and functionalities that software typically covers or tries to solve. 

• Choose the Platforms Where You Can Test the Product 

After the coding and syntax running is over, we generally start with understanding the testing environment needed. Once we have a clear idea regarding the testing elements it becomes easy to initiate a test. Popular platforms where you might initiate a test are Selenium, Appium, TestComplete, TestSigma, Robotium, WebLOAD, Loadrunner, etc. 

Once you have developed a clear idea for choosing an appropriate testing framework, initiate testing. 

• Deploy Tests 

The next stage in the testing process is deploying the tests directly. Distribute the tests across various platforms and ensure that it is executed flawlessly. Please ensure that the results of such cross platform testing are properly reviewed for each case executed. If there are any problems encountered during the tests, check how it can be fixed.

• Fix and Perform Retest 

If the cross platform testing provides any malfunctions, do try to resolve and retest before its final delivery. Oftentimes, when you are trying to fix one issue, by changing the lines of code, the other aspects may get compromised. In such cases, it is crucial to take note of them and resolve those parts again. 

Let us take an example, you developed an application and it works perfectly with Oneplus 9T, but it malfunctions with Samsung Galaxy S21. In such cases, environment testing and verifying each line of code for its functionality becomes important. 

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How To Create A Cross Platform Testing Plan?

To develop a strategy for cross platform testing you can follow the below steps:

• Get Familiar With The Test Coverage Index

To perform any kind of testing, the first strategy will be to get familiarized with the TC Index. The TC Index helps the cross platform testing tools to focus on the following: 

• Latest annual web and mobile release calendar. 

• Phones and browsers are mostly used by the audiences.

• Check the functionality and understand the device which might be logically chosen to execute it. 

You can also check out the internet and download resources to help in your cross platform testing strategy. 

• Select an Appropriate Device, Browser, and Platform

This is a challenging but important question that developers and manual testers often ask. Choosing an appropriate testing software depends on the type of software and where it can be used appropriately. Cross platform testing strategy can be developed by logically identifying the device, where it can be mostly used. 

However, that necessarily does not mean that it can have loopholes or glitches for use in other devices. Simply, prepare a well-planned testing strategy to cover all the aspects and create an application that can work anywhere under any platform or environment. 

• Check for Basic Coverage for Each Device 

It is not possible to check just a single device, rather you need to opt for a combination of permutations of each device. For instance, I have noticed that for top companies smartphones typically have 10 OS combinations. Thus, you need to verify cross platform testing by using insights from 10 different OS combinations. 

Essential devices have 10 must-test devices based on usage, for enhanced usage check for the top 25 devices and extended usage check for 32 different permutations. It helps you identify cross platform testing roles and how the codes can be executed smoothly. 

• Determine Prior Which Platforms to Use for a Particular Test Case 

Identify the high-value test cases and choose an appropriate platform for them to be checked. For example, if you are developing a gaming application, you can check up to three different versions of the software. Start from one which is recent to three previous versions available. Cross platform testing tools will easily help in getting hold of the software and checking your devices. 

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Tools for Cross Platform Testing

Starting from live testing and responsive design to performance evaluation, these are the top testing tools I recommend: 

• Functionize

Great for cross-browser testing at scale, and allows testers to create one test to use for any browser. Additionally, this cross platform testing tool integrates with Jira, Jenkins, Slack, TestRail, and Xray for streamlined work. 

• LambdaTest 

This is a cloud-based cross platform testing tool that allows developers to test their websites and applications on different browsers and devices. 

• BrowserStack

Cloud-based cross-browser testing platform which is capable of handling more than two million tests daily across 15 global data centers. These tools provide access to devices and browsers that support both manual and automated tests. It also connects Real Device Cloud with Selenium, Appium, Cypress, and Percy. The platform also integrates seamlessly with CI/CD integration tools. 

• Katalon Studio 

Katalon Studio is a user-friendly platform that supports automated testing supporting cross-browser testing. It operates on the cloud, but you can also install it locally. With access to ready-made test templates, and test case libraries, it is a codeless option for basic testing. 

• SauceLabs 

This is a cloud-based cross platform testing tool that relies on continuous integration. Along with automated testing, it also provides professional services, onboarding, and training in Selenium and Appium. 

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Tips and Techniques for Efficient Cross Platform Testing

Cross platform testing can also be streamlined with strategic approaches: 

• Use Automation 

Automated testing tools are able to handle repetitive tasks faster than manual testing, especially in cases of compatibility and regression tests. Ultimately, such interventions save time and minimize human errors. 

• Using Emulators and Simulators 

When the physical devices are not available emulators (applicable for Android) and simulators (applicable for iOS) prove to be alternatives.  They might not fully replace a real device but help in the initial testing phases. 

• Focus on High-Risk Areas First 

Identify and prioritize your application’s high-risk areas. Thus, it helps in identifying the critical issues earlier in the testing process. 

• Initiate Parallel Testing 

Run tests at the same time on multiple platforms to increase the speed and efficiency of the testing process. Many tools have in-built support systems for parallel testing. 

Related Blog: When to Use Automation Testing?

Challenges of Cross Platform Testing

Cross platform testing does have a certain amount of challenges as well. Here are a few common obstacles that a developer faces: 

• Fragmented devices and OS ecosystems

• Inconsistent User Interface 

• Performance Variability 

• Browser Specific Behaviors 

• Tool Limitations 

These challenges can be easily removed if you are using an appropriate testing strategy. 

Also Read: Mobile Automation Testing Tools

Real-World Example of Cross-Platform Testing

Consider that we are trying to develop a project where we are trying to develop a retail app for Android, iOS and Website. Thus, we are developing a multifaceted product, and in such cases, we can use Appium for mobile testing and Selenium for website testing, combining manual and automated tests.

Throughout the testing phases, I am sure that multiple issues might arise, but they can be easily managed. During my experience developing a particular application, I saw lower loading speeds and minor layout issues. Continuous testing and continuous deployment can remove such issues from the platform.

Cross-Platform Testing Best Practices

For maximizing efficiency and accuracy here are some of the best practices: 

• Define clear objectives 

• Maintain a consistent testing environment 

• Use continuous integration 

• Document test cases and re-use them 

• Involve real devices for testing 

Lastly, continue with accurate testing conditions and see how the real-world conditions affect your software. 

Conclusion

Cross-platform testing is important in the case of any software development. Today, users can access various applications across various devices and platforms. Using the right tools, and following the best practices you can develop functional software applications. 

Appropriate Automation testing training from StarAgile can help increase your knowledge for undertaking cross platform testing. The right software testing course will surely help make a significant difference in your career life. 

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Frequently Asked Questions

1. What are cross platform mobile app testing services?

Cross-platform testing involves testing mobile applications to ensure compatibility across multiple operating systems Android, iOS, etc. Such testing services also include functional, performance, and compatibility testing using tools like Appium, TestComplete, and BrowserStack. 

2. What is the difference between manual and automated cross-platform testing?

Manual cross-platform testing is a process by which testers can verify the application’s functionality. Although this might seem time-consuming initially, it is ultimately a great way for exploratory testing. This method is ideal for regression testing and repetitive tasks. 

3. How can I measure the effectiveness of my cross-platform testing?

We can measure effectiveness by analyzing defect density, test coverage, test execution time, etc. Additionally, the user feedback and performance analysis post-launch help get insight into testing overall software quality.