Mocking - Learn Data Science with Travis

Why Mocks Are Considered Harmful

Level Up Coding

Automated testing during software development involves many different techniques, one that shouldn’t be used is mocking. Mocks are a distraction at best and provide false confidence at worst. It is…

Mocks and Mocking 1: Using Mocks to Test External Dependencies

Test-Driven Web Development with Python

Warning, Recently Updated 🚧 Warning, chapter in progress! 🚧 I’ve recently updated this chapter, and there are some new discussions of the pros and cons of mocking, which I’d love your feedback on! [...

Mocks and Mocking 2: Using Mocks for Test Isolation

Test-Driven Web Development with Python

Warning, Recently Updated 🚧 Warning, chapter in progress! 🚧 I’ve recently updated this chapter, and there are some new discussions of the pros and cons of mocking, which I’d love your feedback on! [...

Some Tips for Mocking Code in Tests

Level Up Coding

When you first learn how to test your code, mocking seems amazing. But it’s such a powerful feature that, regardless of language, it tends to be abused. As a junior dev who’s had to fix a lot of…

Understanding mocks and fakes

Software Architecture with C plus plus

As long as you are testing functions that do not interact too much with the outside world, things are pretty easy. The problems start when the units you are testing interface with third-party componen...

Update on mocking for testing R packages

R-bloggers

This blog featured a post on mocking, the art of replacing a function with whatever fake we need for testing, years ago. Since then, we’ve entered a new decade, the second edition of Hadley Wickham’s ...

Using Mocks to Test External Dependencies or Reduce Duplication

Test-Driven Web Development with Python

Warning, Chapter Under Construction. 🚧 Warning, this Chapter is in the process of being updated for the third edition. In this chapter we’ll start testing the parts of our code that send emails. In t...

Using Mocks to Test External Dependencies or Reduce Duplication

Test-Driven Web Development with Python

In this chapter we’ll start testing the parts of our code that send emails. In the FT, you saw that Django gives us a way of retrieving any emails it sends by using the mail.outbox attribute. But in t...

3 Levels of Mocking a React Hook: Control and Effort against Representability

Level Up Coding

Hooks are an important aspect of any React project and mocking them in tests is not always straightforward. This article will show you how to navigate the spectrum between the control and effort of mo...

— mock object library

The Python Standard Library

unittest.mock — mock object library New in version 3.3. Source code: Lib/unittest/mock.py unittest.mock is a library for testing in Python. It allows you to replace parts of your system under test wi...

Python Mocking in Production

Towards Data Science

Unit testing is an art. While the question of what to test is crucial (you can’t test everything), in this post we’ll take a closer look at some advanced testing and mocking techniques in Python…

Why Java Experts Avoid Mocks

Javarevisited

“Don’t use mocks.” ¹ “Mocks are stupid.” ²Easier said than done. Mocks are everywhere. You can’t test without mocks.What are the alternatives? Why mocks aren’t “one-size-fits-all”? How to use other te...