I am working on improving my ability to write tests for Drupal: particularly for core and contrib development. Rather than just keep notes for myself, I thought I would share the resources I find in this repo so others can learn from this and contribute.

If you have resources you would like to contribute, feel free to fire up a pull request!

• Drupal 8 automated testing API docs
• PHPUnit guide
• SimpleTest guide
• Contributor task: write an automated test for a Drupal core bug

• Testing in Drupal topic page
• Automated Testing in Drupal 7 with SimpleTest, drupalize.me series

• Automated Unit Testing 101, Zequi Vázquez (rabbitlair): video and slides
• Break through large scale Drupal projects with Behat, Bozhidar Boshnakov (bboshnakov) and Georgi Tarkalanov (gtarkalanov): video
• Test Automation for Drupal 8 in Mobile Devices and Tablets, Anastasios Daskalopoulos: video
• The yearly update of the phpunit initiative, Daniel Wehner (dawehner) and Jibran Ijaz (jibran): video
• Test all the things! Get productive with automated testing in Drupal 8, Sam Becker (sam152): video and slides
• Prophecise Your PHPUnit Tests, Rakesh James (rakesh.gectcr): video
• Automatic Drupal Updates using Visual Regression & Continuous Integration, Matt Cheney (populist): video
• Continuously Test Your Drupal Distribution, Alexander Schedrov (sanchiz): video and slides
• PHPUnit for Drupal Developers, Sebastian Bergmann (sebastian_bergmann): video

• Bending Behat's Benefits, Steve Persch (stevector): video and slides
• Automatic Drupal Updates using Visual Regression & Continuous Integration, Matt Cheney (populist) and andrew.taylor (Andrew Taylor): video
• Implementing Full Stack Test Automation for Drupal 8 - From Unit to Acceptance Tests, Anastasios Daskalopoulos: [video] (https://www.youtube.com/watch?v=SceHV1Hueng) and slides (Powerpoint)
• Testing for the Brave and True, Gabe Sullice (gabesullice): video and slides

• Automated Unit Testing: PHPUnit All the Way, Klaus Purer (kpurer) and Daniel Wehner (dawehner): video and slides
• JavaScript Unit Testing, Matt Grill (drpal): video
• Testing Your Code as Part of an Industrial Grade Workflow, Matt Cheney (populist): video

• What type of testing is good for me?, Yuriy Gerasimov (ygerasimov): video
• Behat: Behavior-Driven Development, Functional Tests & Selenium (in Drupal!), Ryan Weaver (weaverryan): video and slides
• Automated javascript testing: where we are and what we actually want, Daniel Wehner (dawehner): video

• Principles of Solitary Unit Testing, Joseph Purcell (josephdpurcell): video
• Behat Mink PhantomJS = Test ALL THE THINGS!, Michelle Sanver (michellesanver): video
• Visual Regression Testing, Amitai Burstein (amitaibu): video
• Testing with Monkeys: Using Chaos for Better Code, Andrew Holgate (andrewsuth): video
• SmarTest: Proposal for accelerating the detection of faults in Drupal, Ana Belén Sánchez (anabsanchez): video

• CI for CSS: Creating a Visual Regression Testing Workflow, Kate Kligman: video and slides
• Using Grunt to Manage Drupal Build and Testing Tools, Joe Turgeon (arithmetic): video and slides
• Test-driven Drupal upgrades, Alex Dergachev (dergachev), Dave Vasilevsky (vasi): video
• Multidimensional testing workflow before merge to master, Yuriy Gerasimov (ygerasimov), Andrii Podanenko (podarok): video and slides

• The Future of Drupal Functional Testing, Nick Schuch (nick_schuch), Cameron Zemek (grom358), Lee Rowlands (larowlan), Konstantin Kudryashov (everzet): video
• Doing Behaviour-Drive Development with Behat, Konstantin Kudryashov (everzet): video
• Automated Frontend Testing, Chris Ruppel (rupl): video

• From User Personas to Testing: A Project Manager's Journey to Behat, Michelle Lauer (miche): video
• Browser Eyeballing != JavaScript Testing, Jordan Kasper (jakerella): video
• Automated Frontend Testing, Chris Ruppel (rupl): video

• Leveraging 12 years of PHP Unit, Sebastian Bergmann: video
• Writing Unit Testable Code in Drupal 8, Mark Sonnabaum (msonnabaum): video
• JavaScript Testing, Théodore Biadala (nod_), Jesse Beach, Steve De Jonghe (Seutje): video and slides
• Automated Acceptance Tests with Behat, Nathan Lisgo (nlisgo): video
• Behat Contrib, Melissa Anderson (eliza411), Howard Tyson (tizzo), Sam Boyer (sdboyer), Graham Taylor (tayzlor): video
• Selenium/Webdriver: What, Where, Why and How, Earnest Berry (souvent22): video

• Behat, Behavior-Driven Development and Selenium in Drupal, Ryan Weaver (weaverryan): video
• Automated Testing with Jasmine and PhantomJS, Ronn Abueg (ronnbot) and Aisha Kaliel (akaliel): video
• Testing your Drupal infrastructure, Barry Jaspan (bjaspan): video

• Show me the tests! Writing automated tests for Drupal, Lee Rowlands (larowlan): slides

• Upal — a proposed test framework for Drupal 8, Moshe Weitzman: slides

• Automated Testing and Drupal, Steven W. Merrill: video

• Use SimpleTest!, Karsten Frohwein: no slides or video

• Introduction to testing with Drupal: SimpleTest, Jimmy Berry (boombatower): no slides or video

• Intro to SimpleTest, Florian Loretan (flobruit): video on session page

• Testing, part 1: Intro to testing, Angie Byron (webchick) and Florian Loretan (flobruit): video and slides
• Testing, part 2: Awesome testing party!, Angie Byron (webchick) and the Drupal Testing Brigade: video
• What is SimpleTest? and SimpleTest Automator: Automated Automated Testing, Charlie Gordon (cwgordon7): no slides or video

• SimpleTest: Because clicking on forms is for suckers, Angie Byron (webchick), Rok Zlender, Karoly Negyesi (chx), Jimmy Berry (boombatower): resource list on session page

• An overview of testing in Drupal 8, Juampy NR, lullabot.com, April 27, 2017
• Write Unit Tests for Your Drupal 7 Code, Part 1, Mateu Aguiló Bosch (e0ipso), lullabot.com, August 5, 2015
• Write Unit Tests for Your Drupal 7 Code, Part 2, Mateu Aguiló Bosch (e0ipso), lullabot.com, August 10, 2015
• Automated Testing of Drupal 8 Modules, Daniel Sipos, sitepoint.com, May 1, 2015
• Write testable code in Drupal - part 3, practical expamples, Wouter Admiraal, wadmiraal.net, July 24, 2014
• Write testable code in Drupal - part 2, purity is the answer, Wouter Admiraal, wadmiraal.net, July 23, 2014
• Write testable code in Drupal - part 1, what is wrong with Drupal tests, Wouter Admiraal, wadmiraal.net, July 22, 2014
• CSS Regression Testing with Resemble.js, Blake Hall, lullabot.com, June 25, 2014
• Testing the front end with CasperJS, Juampy NR, lullabot.com, March 12, 2014
• 3 Easy Steps to Drupal Unit Tests, Erik Summerfield, phase2technology.com, October 2, 2012
• Writing automated tests in Drupal 7, Sascha Grossenbacher (berdir), March 11, 2010
• A Drupal Module Developer's Guide to SimpleTest, Angie Byron, lullabot.com, January 1, 2008
• An Introduction to Unit Testing in Drupal, Angie Byron, lullabot.com, November 26, 2007