Structure and Interpretation of Test Cases • Kevlin Henney • GOTO 2022

This presentation was recorded at GOTO Amsterdam 2022. #GOTOcon #GOTOams
http://gotoams.nl

Kevlin Henney - Independent Consultant, Speaker, Writer & Trainer

ABSTRACT
Throw a line of code into many codebases and it's sure to hit one or more testing frameworks. There's no shortage of frameworks for testing, each with their particular spin and set of conventions, but that glut is not always matched by a clear vision of how to structure and use tests — a framework is a vehicle, but you still need to know how to drive.
The computer science classic, Structure and Interpretation of Computer Programs, points out that "programs must be written for people to read, and only incidentally for machines to execute". The same is true of test code.
This talk takes a deep dive into unit testing, looking at examples and counterexamples across a range of languages and frameworks, from naming to nesting, exploring the benefits of data-driven testing, the trade-offs between example-based and property-based testing, how to get the most out of the common given-when-then refrain and knowing how far to follow it. [...]

TIMECODES
00:00 Intro
04:09 Quote Structure & Interpretation of Computer Programs
05:27 Quotes Marit van Dijk
10:56 Testing approaches today
13:24 Continuous testing
14:52 Case: Leap year
28:55 Quote Nat Pryce & Steve Freeman
29:44 Case: Leap year continued
37:33 FizzBuzz
39:00 Quote Brian Marick
39:36 FizzBuzz continued
43:15 Quote Richard Feynman
43:43 FizzBuzz continued
45:14 Niklaus Wirth
46:07 Outro

Download slides and read the full abstract here:
https://gotoams.nl/2022/sessions/1604/structure-and-interpretation-of-test-cases

RECOMMENDED BOOKS
Kevlin Henney & Trisha Gee • 97 Things Every Java Programmer Should Know • https://amzn.to/3kiTwJJ
Kevlin Henney • 97 Things Every Programmer Should Know • https://amzn.to/2Yahf9U
Henney & Monson-Haefel • 97 Things Every Software Architect Should Know • https://amzn.to/3pZuHsQ
Abelson, Sussman & Sussman • Structure and Interpretation of Computer Programs • https://amzn.to/3cUQVIm
Niklaus Wirth • Algorithms + Data Structures = Programs • https://amzn.to/3TP9xdd
Roy Osherove • The Art of Unit Testing • https://bit.ly/3obiKNB
Adzic, Evans & Roden • Fifty Quick Ideas To Improve Your Tests • https://amzn.to/3yuDaoL
Adzic, Evans & Korac • Fifty Quick Ideas to Improve Your User Stories • https://amzn.to/3jQ4QjP
Saleem Siddiqui • Learning Test-Driven Development • https://amzn.to/35OMb3n
Kent Beck • Test Driven Development • https://amzn.to/36kchvd

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