5 Tips For Debugging Python Automation Test Scripts

Python Automation Test Scripts

Python automation testing scripts are understood as test scripts that are written in Python programming language for automation software testing. Python has been the most preferred programming language by developers for a long time because it is easy to use and understand. However, no matter which programming language you use for automation, they are always prone to errors and bugs. Debugging is crucial to successfully execute the Python automation testing and ensure the quality of the software application being tested.

Debugging is the procedure of pinpointing and resolving errors or bugs in code to ensure that it functions as expected. However, debugging Python automation test scripts can be complex and difficult. Nonetheless, it is crucial to ensure the consistency and effectiveness of your test suite. This is because the Python automation test script automates the testing activities and helps ensure it functions accurately by debugging the software application. This process of debugging can be further optimized when executed correctly.

This blog will discuss five tips for debugging Python automation test scripts. These tips provide a starting point for debugging your scripts and help you become more efficient and effective in your debugging efforts.

Let’s get started.

5 Tips For Debugging Python Automation Test Scripts

Debugging Python Automation Test Scripts is a crucial step to ensure the proper functioning of the scripts. Python offers a wide range of libraries and modules for automation testing, but errors may still occur during the implementation. Debugging helps in identifying and fixing these errors. Here are five tips for debugging Python automation test scripts.

Tip 1: Utilize Print Statements to Isolate Problematic Code

Debugging code is an important task that every programmer must be proficient in. It necessitates critical thinking and problem-solving skills. Additionally, it also mandates a comprehensive understanding of the codebase and its underlying principles. When endeavoring to debug a program or script, it is essential to utilize various techniques to isolate and identify the problematic code.

One effective approach is to utilize print statements. Print statements are invaluable when debugging code. It can track down any code errors and pinpoint the exact line where the issue occurs. Print statements authorize to view the state of variables and arguments at any given point in the script.

By inserting print statements at different points in the code, you can swiftly see which parts are working accurately and which parts are not. This can help you quickly identify the source of errors and determine exactly what is causing them. It is also helpful to add specific messages to these print statements that provide useful descriptions of what the code is doing. This will help you more easily track down the source of the bug.

Tip 2: Set Breakpoints to Pause the Script

Setting breakpoints is an indispensable step in debugging your code. It authorizes developers to pause a script during execution and inspect the values of specific variables and objects. By doing so, they can pinpoint where the code is failing and why. In this way, developers can save time and effort in identifying and fixing errors.

However, knowing how to set breakpoints correctly is essential to get the most benefit from them. Before setting each breakpoint, it is significant to apprehend its purpose and ensure that you have the appropriate variables and objects in scope. This will help you to access the information you need to debug effectively. To set a breakpoint, you need to identify the line of code where you want to pause the script.

When encountering a pause in the script, utilize the Python debugger to systematically analyze the code line by line to pinpoint potential issues. Once you have identified the issue, the debugger can modify the code and resume script execution. Furthermore, programmers can set breakpoints for effective code testing, enabling them to observe the outcomes of their modifications.

Tip 3: Debug in Sections to Help Narrow Down Potential Issues

If you have a complex automation test suite, it can be helpful to break it down into smaller parts and debug each section separately. This can help you determine the source of the bug swiftly and efficiently. Once you have pinpointed the offending code, you can go back and examine it in greater detail and make any necessary adjustments.

By breaking down the code into smaller sections, you can specify exactly where the issue lies and save time and effort in debugging. Additionally, it can be valuable to create sample test scripts and use them to test out specific debugging techniques. This will assist in understanding the root cause of a potential issue without debugging the entire script.

Tip 4: Use Logging to Track Program Execution and Pinpoint Errors

Logging is a valuable tool for software development that enables programmers to monitor program execution and identify errors. By incorporating logging statements throughout the code, developers can trace the program’s execution and record any encountered errors. This practice is particularly useful for debugging Selenium Python automation test scripts.

Logging can also aid developers in keeping track of their test scripts’ progress, ensuring their proper operation, and identifying potential issues. For example, if a test fails due to a missing page element, the log can provide insight into which element is missing and the necessary corrective action.

Tip 5: Check the Syntax and Indentation of the Code

Python is a widely used programming language that has become popular among developers across various domains. One of the key attributes of Python is its emphasis on indentation and syntax, which plays a crucial role in ensuring the accuracy and readability of the code. However, due to the complexity involved in writing programs accurately in Python, errors can effortlessly arise and hinder the execution of the code.

To avoid such issues, paying close attention to the code’s syntax and indentation is paramount. This requires a thorough understanding of the language’s rules and conventions and a keen eye for detail. Even a minor error in indentation or syntax can cause the code to fail, leading to frustrating errors and long debugging sessions.

Reviewing the code and confirming that all brackets and quotes are placed correctly is essential. Attention must be paid to using whitespace, special characters, keywords, etc., to ensure the code adheres to standard formatting. Reading the code line by line for any typographical or syntax errors is also beneficial. Comparing different code versions can help identify inconsistencies if you use version control. This is particularly helpful if you have made several changes to the code and need to pinpoint an issue.

Bonus Tip: Take Advantage of the PyCharm Debugger

PyCharm is a popular integrated development environment (IDE) for Python programming. It includes a powerful debugger that can be used to trace through code, set breakpoints, and observe variable values. It allows you to pause the execution of your code at any point and step through line by line to understand what is happening. This can be a great help when debugging Selenium Python automation test scripts, as it gives you insight into the behavior of your code.

Additionally, PyCharm allows you to set up “watchpoints” that notify you when a variable reaches a certain value, making it useful for tracking difficult-to-find errors. This tool can make debugging Python automation test scripts much easier and more efficient.

The above-mentioned tips on debugging Python automation test scripts can be leveraged when the test is executed in a cloud-based platform. Such platforms offer reliability, scalability, and easy-to-use features that allow streamlining your testing activities. One of those cloud platforms is LambdaTest.

LambdaTest is a cross browser testing platform that offers access to 3000+ browsers, devices, and OS. You can test your Python automation test script on various real-time browsers, devices, and OS using LambdaTest.

Further, LambdaTest also integrates with different Python-based test automation frameworks like pytest, Robot, etc. This will help you run an automated test on your Python automation test script. LambdaTest also allows you to run your Selenium, Cypress, Playwright and Puppeteer test scripts in a single click. Also, using the LambdaTest platform, you don’t have to set up your own testing infrastructure, as it offers a cloud platform that makes everything simple and easy to use. Register for free and start testing.


Debugging Python automation test scripts can be a challenging task for developers. However, the right approach and tools can be facile and effortless. You can identify and fix errors in your code by following the tips and tricks outlined in this article, such as using print statements, logging, and breakpoints. Always remember that debugging is an essential part of the testing process. By taking the time to understand the debugging process and following these strategies, developers can save time and effort in the long run and produce high-quality and reliable automation tests.

Keep these tips in mind, and happy debugging!

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