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Home > Talk Python To Me - Python conversations for passionate developers > #287 Testing without dependencies, mocking in Python


	Podcast:		Talk Python To Me - Python conversations for passionate developers
	Episode:		#287 Testing without dependencies, mocking in Python
	Category:		Technology
	Duration:		01:03:29
	Publish Date:		2020-10-21 08:00:00
	Description:		We know our unit tests should be relatively independent from other parts of the system. For example, running a test shouldn't generally call a credit card possessing API and talk to a database when your goal is just to test the argument validation. And yet, your method does all three of those and more. What do you do? Some languages use elaborate dependency passing frameworks that go under the banner of inversion of control (IoC) and dependency injections (DI). In Python, the most common fix is to temporarily redefine what those two functions do using patching and mocking. On this episode, we welcome back Anna-Lena Pokes to talk us through the whole spectrum of test doubles, dummies, mocks, and more. Links from the show Anna-Lena's personal site: alpopkes.com 100 Days of Code episode: talkpython.fm/186 Anna-Lena on Github: github.com PyCon talk from Lisa Road (2018) - “Demystifying the patch function”: youtube.com PyCon talk from Edwin Jung (2019) - Mocking and Patching Pitfalls: youtube.com Keynote talk “Finding Magic in Python” (about magical universe project): youtube.com Blog post about mocking in Python: alpopkes.com Stackoverflow post on difference between stubs and mocks: stackoverflow.com Freezegun project: github.com KI Macht Schule (AI goes to school): ki-macht-schule.de Code Combat: codecombat.com PDB++: github.com Sponsors Linode Monday.com Talk Python Training
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