TDD (Test Driven Development)
I’m going to getting rid of my browser bookmarks, so this page is born 
This is a list about TDD, a place where I append interesting things I’m discovering about TDD since 2008…
Today is a massive, incomplete and unordered mess of links, but this leaves me more room for improvement 
Anyway, great value is assured 
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Books
eXtreme Programming eXplained, 1st ed.
The 1st edition of the book that started it all…
eXtreme Programming eXplained, 2nd ed.
A revised edition with new stuff: it’s actually a different book, not an update of the 1st edition.
I recommend to read both the editions, in chronological order of course.
Test Driven Development: By Example
Learn how to do TDD directly from its inventor.
Articles
People to follow
In no particular order.
Kent Beck
Ron Jeffries
Ward Cunningham
Sandy Metz
James Shore
Martin Fowler
Rebecca Wirfs-Brock
Gee Paw Hill
Robert C. Martin (Uncle Bob)
J. B. Rainsberger
George Dinwiddie
Jay Bazuzi
Matteo Vaccari
Ian Cooper
Communities
The continuation of the historical XP Yahoo Group, since the dawn of the movement: Groups.io - eXtreme Programming
Videos
Extreme Programming 20 years later by Kent Beck
Kent Beck telling stories about TDD and XP genesis. If you like tales and TDD, this is the best resource I found.
Kent Beck on creating JUnit
A strange interview, it almost looks like a deposition…
Ian Cooper - TDD, Where Did It All Go Wrong
J B Rainsberger - Integrated Tests Are A Scam
Robert C. Martin (@unclebob) - The Three Laws of TDD (Featuring Kotlin)
Kent Beck - Test && Commit || Revert - Substring, TCR style
Playlist - Kent Beck - Test desiderata
Links
eXtreme Programming historic website TDD Anti-patterns
Outside-In, Mockist, London School
Resources about the outside-in approach.
Spokespeople
Nat Pryce
Steve Freeman
Sandro Mancuso
Books
Growing Object-Oriented Software Guided by Tests (GOOS) - Steve Freeman and Nat Pryce
Videos
Sandro Mancuso style:
Youtube - Outside In TDD part I
Youtube - Outside In TDD part II
Youtube - Outside In TDD part III
“A Case for Outside-In Design” (Avanscoperta meetup)
Skeptics, doubters and “enemies”
Is TDD dead?
A series of conversations between Kent Beck, David Heinemeier Hansson, and Martin Fowler
on the topic of Test-Driven Development (TDD) and its impact upon software design.