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FunTest and Python: A Simplified Approach to Hardware Test Automation

Why is Python so popular?

Ease of Use and Readability: Python is known for its simplicity and readability, making it easy for engineers to write and maintain test scripts. This user-friendly syntax allows for quicker development and less time spent on understanding complex code structures.

Extensive Libraries and Cross-Platform Compatibility: Python's extensive range of libraries covers virtually every need in hardware test automation, from interfacing with hardware to advanced data processing. Whether it’s communicating with hardware through libraries like PySerial and PyVISA, or handling data analytics and processing with Pandas and NumPy, Python offers a solution.

Community Support and Resources: Python has a large and active community, a significant advantage for developers. This community contributes to a vast array of tutorials, forums, and documentation, making it easier to find solutions to problems and learn best practices in test automation.

Disadvantages of Python

Learning Curve for Non-Programmers: For users who are not familiar with programming, Python's simplicity can still present a learning curve. Understanding programming concepts and debugging code can be challenging for those with a hardware-focused background.

Complexity in Large Projects: In larger projects, the management of extensive codebases and numerous dependencies in Python can be challenging. As the scale of the project increases, keeping track of all the interconnected parts, ensuring code quality, and handling the myriad of dependencies can become a daunting task. This complexity often leads to difficulties in maintaining a stable and efficient testing environment and can significantly increase the time and effort required for successful project management.

Necessity of Custom GUI Development: Python, while versatile, does not come with a built-in, standard GUI for hardware test automation. This means users need to develop their own GUIs to facilitate test execution and results visualization.

FunTest + Python - the ultimate solution for test automation

Bridging the Gap for Non-Programmers: FunTest, when combined with Python, can significantly lower the learning curve for non-programmers. The only thing you need to develop in Python is short, simple scripts that have specific functions. Such as taking analog input channel name as input and returning the measured value. Here you're taking advantage of already existing libraries for Python but for your overall project management, you don't have to write complex Python code. All these short scripts are then imported to FunTEST where you can start creating more complex tasks.

Manage all you test scripts in FunTEST

Simplifying Creation of Custom Test Sequences: Now that you have your Python scripts loaded to FunTEST, you can take advantage of the FunTEST sequence editor to create custom test sequences consisting of your scripts plus built-in FunTEST functionalities. You can think of it as creating a procedure where individual scripts are executed in your defined sequence sharing their inputs and outputs. Moreover in FunTEST, test sequence you can create conditions for execution, pass/fail criteria, and much more. All without any coding experience needed.

Creating custom test sequences using short python scripts, defining pass/fail, conditions for executions, and controlling operator interface

GUI Development Made Easy: FunTest was designed with the end user in mind. This is why we have a built-in operator interface where you can display interactive procedures, view live results, and have buttons for operator manual actions. With a few simple commands from the test sequence file, you can control what and how gets displayed to the operator. Moreover, you can also make use of a built-in test reporting engine to create detailed test run reports or overall test station statics to maintain full traceability.

Example of operator interface and test reports available in FunTEST

See FunTEST in action


In summary, Python's popularity in test automation is attributed to its ease of use, comprehensive libraries, and strong community support. While Python is accessible and versatile, it does present challenges, such as a learning curve for new programmers and complexities in large projects.

FunTest, when combined with Python, addresses these challenges effectively. It simplifies the learning process for non-programmers by allowing them to use simple Python scripts in broader project management. FunTest's sequence editor and built-in GUI development tools further streamline the creation of complex test sequences and enhance user experience. This integration offers a balanced, efficient solution for test automation, making it more accessible and manageable for users with varying levels of programming expertise.

If you're interested in exploring the capabilities of FunTest integrated with Python for your projects, don't hesitate to contact us. Our team is ready to assist you in getting started with FunTest and harnessing the full potential of this powerful tool for your test automation requirements.

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