Getting Started With Testing in Python
In this in-depth tutorial, you’ll see how to create Python unit tests, execute them, and find the bugs before your users do. You’ll learn about the tools available to write and execute tests, check …
Effective Python Testing With pytest
In this tutorial, you'll learn how to take your testing to the next level with pytest. You'll cover intermediate and advanced pytest features such as fixtures, marks, parameters, and plugins. …
Python's unittest: Writing Unit Tests for Your Code
In this tutorial, you'll learn how to use the unittest framework to create unit tests for your Python code. Along the way, you'll also learn how to create test cases, fixtures, test suites, and more.
Python's assert: Debug and Test Your Code Like a Pro
In this tutorial, you'll learn how to use Python's assert statement to document, debug, and test code in development. You'll learn how assertions might be disabled in production code, so you …
Understanding the Python Mock Object Library
In this tutorial, you'll learn how to use the Python mock object library, unittest.mock, to create and use mock objects to improve your tests. Obstacles like complex logic and unpredictable …
Split Your Dataset With scikit-learn's train_test_split () - Real Python
train_test_split() is a function in sklearn that divides datasets into training and testing subsets. x_train and y_train represent the inputs and outputs of the training data subset, respectively, …
How to Use Python Lambda Functions – Real Python
In this step-by-step tutorial, you'll learn about Python lambda functions. You'll see how they compare with regular functions and how you can use them in accordance with best practices.
Profiling in Python: How to Find Performance Bottlenecks
In this tutorial, you'll learn how to profile your Python programs using numerous tools available in the standard library, third-party libraries, as well as a powerful tool foreign to Python. Along the …
Python's "in" and "not in" Operators: Check for Membership
In this tutorial, you'll learn how to check if a given value is present or absent in a collection of values using Python's in and not in operators, respectively. This type of check is known as …
Python's doctest: Document and Test Your Code at Once
In this tutorial, you'll learn how to add usage examples to your code's documentation and docstrings and how to use these examples to test your code. To run your usage examples as …