DefinePK

Description

How do teams of programmers continuously write and revise code without breaking things? Unit tests define a function's expected behavior and then enforce that those requirements are met.

View the program used in this video at: https://www.khanacademy.org/python-program/unit-testing/6443282411208704

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now with our Intro to Computer Science - Python course!

Course link: https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:playing-games-with-functions
Course playlist: https://www.youtube.com/playlist?list=PLSQl0a2vh4HDkbhG0sDW0b-VZXykEIAe5

Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!

Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc

Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc

TIMESTAMPS:
00:00 - 00:23 : programming teams
00:24 - 00:58 : what is a unit test?
00:59 - 01:36 : test automation
01:37 - 02:13 : code coverage
02:14 - 02:58 : choosing test cases
02:59 - 04:02 : unittest module syntax
04:03 - 04:44 : practical advice for beginners