Coding Dojo with Tech&Ladies

1. Coding Dojo
‘Popcorn pattern’
@technladiesbcn
@codurance_ES
@bberrycarmen

2. THANKS...
@technladiesbcn @codurance_ES

3. BEFORE ...

4. SHU - HA - RI

5. Coding dojo?

7. PAIR PROGRAMMING?

9. DRIVER NAVIGATOR

11. Meaningful
names
Design
patterns
Keyboard
ShortcutsIDE
Problem
context
Algorithms
Writing
Programming
language
Code
design
Design
principles

12. DRIVER NAVIGATOR

13. RECOMMENDATIONS
- Respect
- Thinking out loud
- 10-second rule
- ‘Let’s try your idea first’
- Don’t worry if it feels awkward at first

14. NOT RANDORI?

16. ‘POPCORN PATTERN’?

17. BEFORE...

18. PRODUCTION
CODE
TEST
CODE

19. TEST
CODE
PRODUCTION
CODE

20. TEST CODE
public class AmountShould {
@Test
public void calculate_the_percentage() {
Amount amount = Amount.valueOf(1000);
Amount expectedResult = amount.calculatePercentage(20);
assertThat(expectedResult, is(Amount.valueOf(200)));
}
}

21. WRITE
TEST CODE
WRITE
PRODUCTION
CODE
REFACTOR

22. REFACTOR?

23. 4 RULES OF SIMPLE DESIGN
- Pass all the tests
- Reveal intention
- No duplication
- Fewer elements

25. WRITE
TEST CODE
WRITE
PRODUCTION
CODE
REFACTOR
DRIVER < > NAVIGATOR

26. WRITE
TEST CODE
WRITE
PRODUCTION
CODE
REFACTOR
$> git commit -m “RED: ... “
$> git commit -m “GREEN: ... “
$> git commit -m “REFACTOR: ... “

32. CodE Kata: The GREETING KATA
/testdouble/contributing-tests/wiki/Greeting-Kata
/swkBerlin/kata-bootstraps
WelcomeToCodurance

33. CodE Kata: The GREETING KATA
/testdouble/contributing-tests/wiki/Greeting-Kata
/swkBerlin/kata-bootstraps
WelcomeToCodurance

34. CodE Kata: The GREETING KATA
/testdouble/contributing-tests/wiki/Greeting-Kata
/swkBerlin/kata-bootstraps

35. CodE Kata: The GREETING KATA
/testdouble/contributing-tests/wiki/Greeting-Kata
/swkBerlin/kata-bootstraps

36. CodE Kata: The GREETING KATA
/testdouble/contributing-tests/wiki/Greeting-Kata
/swkBerlin/kata-bootstraps

37. CodE Kata: The GREETING KATA
/testdouble/contributing-tests/wiki/Greeting-Kata
/swkBerlin/kata-bootstraps

38. CodE Kata: The GREETING KATA
/testdouble/contributing-tests/wiki/Greeting-Kata
/swkBerlin/kata-bootstraps

39. CodE Kata: The GREETING KATA
/testdouble/contributing-tests/wiki/Greeting-Kata
/swkBerlin/kata-bootstraps

41. Global Day of
Coderetreat 2017
It’s time for fun!
#gdcr17 @codurance_ES @bcnswcraft @coderetreat
18th November