8 Best Python Test Automation Frameworks

By Prometteur solutions 26 Min Read

Python testing tools and frameworks provide help for test cases by building the scripts for testing, including methodology, and enabling options for testing iterations to simplify the whole process.

What is Python Testing Framework?

Brace yourself for an exhilarating journey through the realm of test automation and web development. Imagine Python testing frameworks as a magnificent symphony composed entirely in Python. It’s like witnessing the fusion of elegance and functionality, where every note is perfectly orchestrated for your testing endeavors.

Python, the star of this show, is a versatile language that serves as the foundation for this marvelous framework. With Python at its core, the framework becomes a playground of possibilities, where automation tools dance effortlessly in the realm of web development.

But wait, there’s more! Python goes above and beyond, offering a plethora of frameworks and packages that lend a helping hand in the realm of automated testing. These frameworks and packages are like a troupe of expert assistants, ready to guide you through the testing landscape.

From Django to PyTest, Flask to Robot Framework, Python’s arsenal of testing frameworks has got your back. Each framework brings its own unique flair, offering a range of features and functionalities to suit your testing needs.

And let’s not forget the wealth of packages available in the Python ecosystem. With packages like Selenium, Requests, and Beautiful Soup, Python empowers you with a vast array of tools to conquer the web testing frontier.

What is Python Testing?

Automated testing is now widespread and has developed into the most effective testing method for testers all around the globe. It is a procedure in which the test plans are carried out using script rather than through manual data entry. Python is equipped with the necessary tools and libraries, all of which provide robust support for automated testing. In addition, the creation of test cases in Python is rather straightforward. As a result, python-based test automation frameworks are becoming more popular among software developers, and quality assurance specialists as Python’s usage in the industry grows.

This industry, just like the others, has welcomed the numerous benefits that automation offers via opening its doors. Testing carried out via automation increases capabilities and lays the path for more cost-effective solutions. You may easily acquire access to test-data handling techniques, coding standards, object repositories, and procedures for storing test results with a test automation framework. All of these aspects are necessary for building or developing test cases. The testing procedure may be automated with the assistance of the Python test framework.

Questions to Ask Yourself Before Choosing Your Unit Testing Framework

  • Which Approach to Testing Should I Make Use Of?
  • Should I go for functional testing or unit testing?
  • Do my team members have prior expertise with coding or other technical tasks or are the majority of them novices?

When attempting to make a choice, you need to consider not only these questions but also a significant number of others. When working with frameworks, you should remember that there is no such thing as excellent or bad; instead, the term to use is acceptable. Focus on frameworks appropriate for your personal needs and the demands of the products to be tested.

Should we look at some of the most popular Python testing frameworks?

What Are the Best 8 Python Testing Frameworks?

Robot Framework (RF)

ATDD, short for Acceptance Test-Driven Development has robotic process automation at its core, this framework brings efficiency and power to your testing endeavors.

Python takes center stage, serving as the language of choice for most of its code. But here’s the twist: ATDD can also strut its stuff on Jython, a Java-based version of Python, and IronPython, tailored for the .NET framework.

Before you dive in, make sure your Python version is up to speed. A quick installation or update may be required to unlock the full potential of this remarkable framework.

Get ready to conquer acceptance testing and supercharge your development journey with ATDD. It’s time to take your testing to new heights!

Why Should You Consider Using Robot?

  • Because it is predicated on the Keyword-driven testing (KDT) technique, it enables us to generate test cases using terms that are readable by humans.
  • It is compatible with any operating system, whether it be Windows, Linux, or macOS, or any application (web, mobile and desktop apps).
  • Rabot gives reporting data in an HTML format that is easy to understand and utilize (including screenshots).
  • It features various application programming interfaces (APIs), which turn it into a highly expandable framework and make it possible to combine it with any other third-party tool.
  • With version 4.0 of Robot Framework, support for the If/Else syntax is available.
  • It has substantial support from the community as well as internet resources.

Therefore, if you want to implement a keyword-driven framework approach that will enable manual testers and business analysts to create automation tests, RF is the solution for you because it provides a variety of extensions and libraries and is simple to use. 


With its comprehensive capabilities, Testify is intended to take the role of the conventional Unittest and Nose frameworks.

Why Is It Necessary for You to Use It?

  • This framework makes unit testing, integration testing, and full-scale system testing possible.
  • Those already acquainted with Unittest will find learning to use Testify reasonably straightforward.
  • It comes with a wide variety of plugins.
  • Testify is an application that, like Nose2, facilitates test discovery.
  • It provides a syntax that is both easy to use and straightforward for the fixture method.

If you have prior expertise with Unittest, modifying your current tests so that they work with Testify will be rather simple for you to do; thus, it is highly recommended that you look into using Testify.


In the realm of Python testing frameworks, Pytest shines as a popular choice. Its versatility knows no bounds, allowing you to conquer not only unit testing but also functional and API testing. It’s like having a one-stop shop for all your testing needs!

To embark on this thrilling journey, make sure you have Python version 3.5 or above at your disposal. With the power of Pytest and a compatible Python version, you’re all set to unlock the full potential of automated testing.

Don’t miss out on the excitement! Join the Pytest revolution and elevate your testing game to new heights. Get ready for a testing experience like never before!

Why should you choose to make use of Pytest?Why should you choose Pytest? Let me count the ways!

  • Condensed and straightforward test suites: Pytest allows you to create test suites that are compact and easy to understand. No more tangled mess of code—Pytest keeps things neat and organized.
  • Extensibility through plugins: Pytest takes extendability to the next level with its plugin system. Want to add extra functionality? Simply plug in the desired plugins and watch Pytest transform into a customized testing powerhouse.
  • HTML reports made easy: Need visually appealing reports? Pytest has you covered. By including the pytest HTML plugin in your project, you can generate HTML reports with a single command-line option. Say goodbye to dull, text-based reports!
  • Parallel test execution: Save time and boost efficiency with the pytest-xdist plugin. It enables you to run tests in parallel, speeding up your testing process and delivering results in record time.
  • Thriving community: Pytest has a vibrant and supportive community. Whether you have questions, need guidance, or want to contribute, you’ll find a sizable and powerful community ready to assist you on your testing journey.
  • Powerful fixtures support: Pytest provides support for fixtures, which are incredibly useful for managing context between different stages of your tests. With fixtures, you can effortlessly cover various parameter combinations without rewriting test cases, making your testing life a whole lot easier.

If you’re seeking a framework that offers simplicity and conciseness for unit tests while tackling complex scenarios with ease, Pytest is the clear winner. It’s a well-developed and feature-rich framework that will empower your testing endeavors like never before. Choose Pytest and unlock a world of testing possibilities!


Lettuce is yet another Python-based behaviour-driven development (BDD) framework. It is derived from Cucumber. Python version 2.7.14 or a higher version is required.

Why Do You Need to Use It?

  • It supports the Gherkin language, which makes it possible for even members of the team who need to be more technically savvy to quickly build tests using normal language.
  • Although black-box testing is its primary use, it may also be used for other testing.

Lettuce is an excellent choice for a straightforward and natural language test development experience across a whole team if you are working on a small BDD project.


Expert often say TestProject is the ultimate solution that combines power, convenience, and flexibility.

With TestProject, you’ll experience a seamless testing journey, thanks to its comprehensive features. Say goodbye to the hassle of generating HTML reports manually. TestProject offers both cloud-based and local HTML reports, ensuring that you have easy access to detailed and visually appealing test reports.

But that’s not all! TestProject’s software development kit (SDK) makes test automation a breeze, especially when using Python. Whether you’re automating tests for mobile, web, or general use cases, the SDK provides a simple yet powerful foundation to create robust and efficient automated tests.

Embrace TestProject and unleash the full potential of your testing endeavors. Experience the ease, convenience, and power that this all-inclusive automation framework brings to the table. It’s time to level up your testing game with TestProject!

Why Should You Use TestProject?

Why should you choose TestProject? Let me give you plenty of reasons to consider:

  • Free automatic HTML/PDF reports: TestProject makes reporting a breeze by generating detailed reports complete with screenshots. No need to spend extra time creating reports manually—TestProject has got you covered.
  • Access to execution history via RESTful API: With TestProject’s RESTful API, you always have access to the history of your test executions. Stay informed and track the progress of your tests effortlessly.
  • Single Agent for all test automation needs: TestProject serves as a versatile Single Agent, providing all the necessary third-party libraries for mobile, web, and generic test automation. Simplify your toolset and streamline your testing efforts.
  • Up-to-date with Selenium and Appium drivers: TestProject ensures that you’re always using the latest and most reliable versions of the Selenium and Appium drivers. Stay on the cutting edge of technology and leverage the best tools available.
  • Unified SDK for multiple platforms: With TestProject, you can test on the web, Android, iOS, and generic platforms using a single SDK. No need to juggle different frameworks—TestProject provides a unified solution for all your testing needs.
  • Out-of-the-box test runner and reporting features: TestProject comes with built-in test runner and reporting features, saving you time and effort in setting up your testing environment. Start running tests and generating reports right away.
  • Cross-platform support: TestProject supports multiple platforms, including Mac OS X, Windows, Linux, and Docker. Run your tests seamlessly across different environments and maximize your test coverage.
  • Thriving community and support: TestProject boasts a sizable community and offers support through forums, blogs, and integrated live chat. Get assistance, share knowledge, and collaborate with fellow testers to enhance your testing journey.

If you’re looking for an end-to-end automation framework that caters to teams with diverse skill sets, from beginners to experienced automation experts, TestProject is the perfect fit. Simplify your automation efforts, leverage powerful reporting capabilities, and tap into the support of a vibrant community. Choose TestProject and elevate your test automation game to new heights!


Behave is one of Python’s most widely used frameworks for behaviour-driven development testing. Despite the fact that it is not an official component of the Cucumber project, it performs in quite a comparable manner like the Cucumber frameworks.

Why Should You Consider It?

  • It makes it possible to write test cases in comprehensible language, facilitating straightforward cooperation across teams working on related topics.
  • It comes with substantial documentation and support, which may be of assistance when first beginning.
  • It provides complete support for the Gherkin language, and as a result, the generation of feature files does not call for any specific technical expertise.
  • Integrations for Django and Flask are available.

If your team uses a Behavior-Driven Development (BDD) approach, if you already have experience with BDD (using tools like Cucumber or SpecFlow, for example), and if you are searching for black box testing, you should check out Behave. 


Nose2 is the successor to Nose and is essentially PyUnit (Unittest). However, it extends the functionality of PyUnit beyond what it was originally designed to do through the use of a variety of plugins that add support for test execution, test discovery, decorators, fixtures, parameterization, and other similar features.

Why Should You Use It?

  • As long as you adhere to specific basic recommendations for the structure of both your library and your test code, it will automatically gather tests for you.
  • It extends the PyUnit (Unittest) framework, which is already included by default with the Python library, so getting started with it is quite simple.
  • It comes with a bundle that incorporates a significant number of built-in plugins, each of which has the potential to make your testing more efficient and less difficult.
  • The use of the mp plugin allows parallel testing.

If you are currently using PyUnit, give Nose2 a try and investigate how it expands its functionality of PyUnit.


PyUnit, sometimes known as Unittest, is a framework for doing unit tests in Python that was modeled after JUnit. Because it is the Python testing framework that is installed by default with the Python package, it is the one with which most Python developers begin their testing.

Let me break it down for you—here’s why using PyUnit is highly recommended:

  • Pre-installed Python packages: PyUnit comes with pre-installed Python packages right out of the box. You won’t have to spend time installing additional dependencies—PyUnit has everything you need to kick-start your testing journey.
  • Straightforward and adaptable test case execution: PyUnit provides a simple yet powerful way to execute test cases. It follows a clear and intuitive approach, making it easy for both beginners and experienced users to write and execute tests. Plus, its adaptability allows you to customize and tailor your test cases to meet your specific requirements.
  • Fast and versatile test reports: PyUnit doesn’t compromise on speed when it comes to generating test reports. It produces fast and efficient reports, including XML reports. Additionally, it seamlessly integrates with unittest-xml-reporting, giving you even more options and flexibility for reporting your test results.

If you’re looking for a hassle-free unit testing experience and already have experience with xUnit frameworks, PyUnit is the way to go. Its simplicity and pre-installed packages make it incredibly convenient, as you won’t need to install any additional dependencies. Get started with PyUnit and embark on your unit testing journey with confidence!

Why Use Python Automation Testing Services?

Python is an excellent language with many capabilities in software development, including test automation projects. Let us look at some reasons Python is a good option for test automation.

Workflow on the Command Line

Python and the command line go together like peanut butter and jelly. The command line may control the complete test automation process. Pipenv is capable of managing both packages and environments. To locate and start tests, every testing framework includes a console runner. Python is an interpreted language, therefore there is no need to “compile” test code before running it.


pytest is one of the most remarkable test frameworks available today in any language, not only Python. It can handle all functional tests, including unit, integration, and end-to-end. Test cases are designed as simple functions that may accept parameterized arguments. Fixtures are a general, reusable method of handling setup and cleanup activities, among other things. Other Python test frameworks are excellent, but pytest is unquestionably the finest.


Good IDE support contributes significantly to the ease of use of a language and its frameworks. For example, JetBrains PyCharm enables visual testing using pytest, unittest, and doctest out of the box for Python testing. In addition, its Professional Edition adds support for BDD frameworks and Web development.

Ease of Access

Python has always welcomed newcomers, whether they are programming rookies or skilled engineers, because of its Zen. In addition, python has a significant benefit as an automation language of choice since testing must be completed quickly. Nobody wants to spend time when the features are already in place and must be validated. Furthermore, many human software testers are increasingly beginning to conduct automated tasks.

Scalability is a strength.

Python is a terrific language for beginners, but it is not a toy. Python has industrial-grade robustness because its design always favours the one correct approach to complete a task. Because of intelligible syntax, strong structure, modularity, and a broad ecosystem of tools and packages, development can grow. Because of its adaptability, the command line can be integrated into any tool or process.


Python provides a vast collection of helpful testing tools for CheeseShop’s woes: pytest, unittest, doctest, tox, logging, paramiko, requests, Selenium WebDriver, Splinter, Hypothesis, and others are accessible as off-the-shelf components for bespoke automation recipes. Moreover, they are only a “pip install” away.


Python is an object-oriented and functional programming language. It allows programmers to choose whether functions or classes are more suited to the task. This is a huge help for test automation.

You’re Typing Your Way

Python’s out-of-the-box dynamic duck typing is ideal for test automation since most feature tests do not need type precision. When static types are required, projects like mypy, Pyre, and MonkeyType come to the rescue. Python supports typing in both directions!


Python is one of the most widely used programming languages today. It is often towards the top of TIOBE, Stack Overflow, and GitHub (as well as GitHut). It is a favourite among Web developers, infrastructure engineers, data scientists, and test automationists. The Python community also pushes it forward. So there is no lack of Python coders, nor is there a scarcity of online help.

Python is an excellent tool for software developers, and the advent of Python automation testing frameworks makes it a more fabulous tool. 

Do you need the best Python Framework testers for your projects? Then, get in touch, and we can help you with the best.


What is Python Testing Framework?

Curious about the Python Testing Framework? Let’s dive into the details!

Python Testing Framework is a dynamic framework based on Python itself. It’s renowned for its seamless operation and provides a range of test automation tools specifically designed for web development projects. When it comes to automated testing, Python doesn’t disappoint, as it offers a variety of frameworks and packages that lend a helping hand.

With Python Testing Framework, you can streamline your testing efforts and ensure efficient and effective web development endeavors. Whether you’re a beginner or an experienced tester, Python’s testing capabilities will empower you to create robust and reliable test automation solutions.

So, if you’re on the lookout for a versatile and feature-rich testing framework, Python Testing Framework is the answer. Explore its dynamic nature and tap into the wealth of frameworks and packages Python has to offer. Take your testing game to the next level with the Python Testing Framework!

What are some Python frameworks?

Here are some amazing python framewwworks to be familiar with

  • Robot Framework
  • Pytest
  • TestProject
  • PyUnit (Unittest)
  • Nose2
  • Behave
  • Lettuce
  • Testify

Is Pytest the best Python framework for automated testing?

Absolutely! When it comes to automated testing in Python, Pytest stands out as the crème de la crème. Here’s why Pytest takes the crown:

How can I hire the best Python framework testers?

Here’s why Pytest takes the crown:

Pytest stands tall as the best Python framework for automated testing. Its simplicity, extendability, beautiful reporting, parallel execution, community support, and fixture management make it the top choice for testers seeking a powerful and user-friendly testing framework. Embrace Pytest and unlock a world of testing possibilities!

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