hands-on lab

Python: Introduction to Mocking

Difficulty: Intermediate
Duration: Up to 2 hours
Students: 113
Rating: 3.6/5
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Description

The unittest.mock module is Python's built-in mocking and patching module. Used to replace objects with fake implementations during testing. Replacing objects with fake implementations allows code to be tested independently of its dependencies. Allowing tests to be fast, predictable, and more reliable.

Expand your Python skills by learning to use the built-in unittest.mock module.

Learning Objectives

Explore how to replace Python objects during testing.

At the end of this lab you'll be familiar with:

  • Mock
  • MagicMock
  • call

Intended Audience

  • Python Developers

Prerequisites

Updates

April 19th, 2023 - Updated theia to enable autosave

Covered topics

Lab steps

Web IDE Review
Introduction to Mock
Callables
Call Assertions
Inspecting Calls
Magic Mock
Side Effects
Attributes
Existing Objects
Unittest
Summary