Third-party unittest framework with a lighter-weight syntax for writing tests. For example, assert func(10) == 42. ... An extensive list of Python testing tools including functional testing frameworks and mock object libraries.

The unittest module provides a framework for writing and running unit tests in Python.

June 5, 2026 - Unit testing checks small pieces of code (like functions or classes) to confirm they work correctly. In Python, this is done with the unittest framework, which is built into the standard library and follows the xUnit style.

April 29, 2024 - The unittest package has an object-oriented approach where test cases derive from a base class, which has several useful methods. The framework supports many features that will help you write consistent unit tests for your code.

May 31, 2024 - The unittest module, also known as PyUnit, is the standard testing framework for Python. It is inspired by the JUnit framework used in Java and provides a strong platform for writing and running tests.

In Python, the unittest module from the standard library provides a framework for unit testing.

One way to write these test cases in Python is with a module that we can import called unittest.

pytest supports running Python unittest-based tests out of the box.

November 14, 2022 - Unittest supports simple test discovery.

Python, a versatile, high-level programming language, offers a built-in module for unit testing known as unittest. This module provides a rich set of tools for constructing and running tests, allowing developers to easily create thorough validation ...

March 10, 2026 - The unittest framework comes pre-installed with Python, so there's no need to install it separately.

July 2, 2026 - Unittest framework is a tool for unit testing that uses an object-oriented approach and provides users with basic features available in other popular frameworks – for example, JUnit.

November 19, 2024 - So running python test_calculator.py won't give you any output. To make your test_calculator.py executable as a standalone script, you need to add the following to the bottom of your test_calculator.py file: ... Also, the unittest module requires that you start the name of your test methods with the word test, otherwise, your test won't run as expected.

April 8, 2025 - Python has two main frameworks to make unit testing easier: unittest and PyTest.

March 2, 2024 - Python provides the unittest module to test the unit of source code.

February 28, 2024 - The `unittest` Module Python’s `unittest` module, inspired by JUnit, provides features to create tests, assert various conditions, and automate the running of these tests.

A special-interest-group for discussion of testing, and testing tools, in Python. The unittest module provides a rich set of tools for constructing and running tests.