The story of cyber-dojo (so far)

1. cyber-dojo
executing your code for fun
and not for profit

2. late 2009

11. https://github.com/JonJagger/cyber-dojo

12. Interactive
Dojo
Environment
Integrated
Development
Environment
• team based
• learning focused
• test driven
• work slower
• no time pressure
• repeat work
• have fun
• individual based
• finish focused
• test driven?
• work faster
• time pressure
• don't repeat work
• make money

14. demo

18. 6x

19. 6x

20. 6x

21. 6x

22. 6x

23. 6x

24. 6x
30 seconds

25. 6x

26. red == tests ran; 1 or more failed
6x

27. green == tests ran; all passed
6x

28. amber == tests didn't run
6x

31. time's up!

32. Interactive
Dojo
Environment
Integrated
Development
Environment
• team based
• learning focused
• test driven
• work slower
• no time pressure
• repeat work
• have fun
• individual based
• finish focused
• test driven?
• work faster
• time pressure
• don't repeat work
• make money

33. • work slower • work faster
FAQ

34. • learning focused • finish focused

36. how does it work?

37. .../katas/B6/A35C8EF4/manifest.json
Java
Cucumber
FizzBuzz
cyber-dojo.org uuidgen == B6A35C8EF4
{
language: "Java, Cucumber",
exercise: "FizzBuzz"
}

38. B6A35C
cyber-dojo.org
.../katas/B6/A35C8EF4/frog/sandbox/
avatar == frog
.../katas/B6/A35C8EF4/frog/.git/

39. cyber-dojo.org
.../katas/B6/A35C8EF4/frog/sandbox/source-files
source-files

40. cyber-dojo.org
.../katas/B6/A35C8EF4/manifest.json
{
language: "Java, Cucumber",
...
}
cyberdojofoundation/java_junit
cyberdojofoundation/java_cucumber
cyberdojofoundation/csharp_nunit
cyberdojofoundation/go_testing
docker containers

41. cyber-dojo.org
google compute engine instances
gce-node-01
gce-node-02
gce-node-03
cyberdojofoundation/java_cucumber
cyberdojofoundation/java_cucumber
cyberdojofoundation/java_cucumber
cyberdojofoundation/...
cyberdojofoundation/...
cyberdojofoundation/...
cyberdojofoundation/...
cyberdojofoundation/...
cyberdojofoundation/...

42. cyber-dojo.org
.../katas/B6/A35C8EF4/frog/sandbox/source-files
gce-node-02 /tmp/.../source-files
rsync
cyberdojofoundation/java_cucumber
google compute engine instance

43. gce-node-02
/tmp/.../source-files
$ eval "$(docker-machine env gce-node-02)"
$ docker run
--volume=/tmp/.../:/sandbox:rw
--net=none
...
cyberdojofoundation/java_cucumber
/bin/bash "timeout 10s ./cyber-dojo.sh 2>&1"
cyber-dojo.org
cyberdojofoundation/java_cucumber
google compute engine instance

44. gce-node-02
/tmp/.../source-files
cyber-dojo.org
cyberdojofoundation/java_cucumber
$ eval "$(docker-machine env gce-node-02)"
$ docker run
--volume=/tmp/.../:/sandbox:rw
--net=none
...
cyberdojofoundation/java_cucumber
/bin/bash "timeout 10s ./cyber-dojo.sh 2>&1"
google compute engine instance

45. regex
cyber-dojo.org

46. cyber-dojo.org
git commit
.../katas/B6/A35C8EF4/frog/sandbox/
.../katas/B6/A35C8EF4/frog/.git/

47. git gotcha!

49. test_wrapper.sh

50. summary

51. Interactive
Dojo
Environment
Integrated
Development
Environment
• team based
• learning focused
• test driven
• work slower
• no time pressure
• repeat work
• have fun
• individual based
• finish focused
• test driven?
• work faster
• time pressure
• don't repeat work
• make money

52. 30,000+ practice-sessions

54. Bray

55. thank you

56. thank yous
Byran Wills-Heath Nadya Sivers Seb Rose
Olve Maudal Dymtro Mindra Mike Long

57. twitter : @JonJagger
email : jon@jaggersoft.com
blog : http://jonjagger.blogspot.co.uk/
charity : http://cyber-dojo.org