Coding Dojo Kata Diamant

1. Merci à nos sponsors #AgileTourLille
La bataille du kata Diamant

2. Certaines batailles peuvent laisser des
traces…
… celle du Diamond Kata
risque de bouleverser votre pratique
du TDD
Thomas PIERRAIN @tpierrainBruno BOUCARD @brunoboucard

3. FOR INSTANCE PRINT ‘A’
A

4. FOR INSTANCE PRINT ‘B’
A
B B
A

5. FOR INSTANCE PRINT ‘C’
A
B B
C C
B B
A

6. FOR INSTANCE PRINT ‘D’
A
B B
C C
D D
C C
B B
A

7. LET’S GO!

8. ANALYSE WITH DASHES
---A---
--B-B--
-C---C-
D-----D
-C---C-
--B-B--
---A---

9. THE SYMETRY
---A---
--B-B--
-C---C-
D-----D
-C---C-
--B-B--
---A---

10. COMPUTE ALL
PAD LEFT LENGTH PAD MIDDLE*
3 4 N/A
2 5 1
1 6 3
0 7 5
* PAD MIDDLE: LENGTH - PAD LEFT - 2 LETTERS
---A---
--B-B--
-C---C-
D-----D
Line 0
Line 1
Line 2
Line 3

11. DIAMOND KATA
http://coding-is-like-cooking.info/2015/04/iterative-incremental-tdd-diamond-kata/
Iterative and Incremental TDD with the Diamond Kata
Recycling tests in TDD
http://claysnow.co.uk/recycling-tests-in-tdd/
Diamond recycling (and painting yourself into a corner)
http://claysnow.co.uk/diamond-recycling-and-painting-yourself-into-a-corner/