The document presents a humorous and pragmatic approach to software engineering principles, emphasizing the importance of interfaces and simplicity. It lists various 'rules' for software development, such as avoiding unnecessary complexity and being mindful of tools and technologies used. The author, Henri Tremblay, shares insights related to mocking, architecture, and team dynamics in software projects.

1. © Henri Tremblay 2015
Henri Tremblay
Senior Software Engineer
Terracotta, a Software AG company
Be Pragmatic [CON3496]
@henri_tremblay

2. 2
All the stories told during this presentation
are true and really happened
BUT
Any resemblance between these stories
and whatever company you might
recognize is purely accidental
Disclaimer

3. 3

4. 4
Gut feeling!

5. 5
Henri Tremblay

6. 6
Henri Tremblay

7. 7
Henri Tremblay

8. 8

9. 9

10. 10
Only depends on
interfaces

11. 11
You might need it
later

12. 12

13. 13
You might need it
later

14. 14

15. 15

16. 16

17. 17

18. 18
You need an
interface to mock
it

19. 19
Be Pragmatic

20. 20

21. 21

22. 22

23. 23
Don’t lose the
purpose
Rule #1

24. 24
If it feels useless
or overly
complicated, don’t
use it
Rule #2

25. 25

26. 26
Find your quote
Rule #3

27. 27
It smells

28. 28
Huh? That’s not
right!

29. 29
Aaaaaaaaaaaaaa
aaaaaaaa!!!!!!

30. 30
WTF!!!

31. 31
White Tuna
Fandwich!!!

32. 32

33. 33
Beware crazy
architects
Rule #4

34. 34
UML
.NETJava
C++ ORM
JNI
Unmanaged
Model generator

35. 35
UML
.NETJava
C++ ORM
JNI
Unmanaged
Cast
Humbly request
Model generator

36. 36

37. 37
Beware crazy
managers
Rule #5

38. 38

39. 39

40. 40
Never use
something you
don’t need until
you do
Rule #6

41. 41
Brie
Oka
Camembert
Cheddar
Cheese.csv

42. 42
CsvReader

43. 43
CsvReader

44. 44
Brie,"Mild soft cheese"
Oka,"Venerable Québec cheese"
Camembert,Strong soft cheese
Cheddar,"Hard cheese, taste nothing if not aged"
Maroilles,"Classified as ""chemical weapon"" in the USA"
Cheese.csv

45. 45
CsvReader

46. 46
You need it earlier
than you thought
Rule #7

47. 47
15 minutes!

48. 48
1,500,000,000,000
instructions

49. 49
2 years

50. 50
Cheese REST

51. 51
Cheese REST

52. 52
How harmful is it
to try?
Rule #9

53. 53
Skydiving without
a parachute

54. 54
Skydiving without
a parachute
è Can die

55. 55
Migrate to Log4j 2

56. 56
Migrate to Log4j 2
è 3 MD

57. 57
Convert to JUnit 5

58. 58
Convert to JUnit 5
è 20 MD

59. 59
Use Scala
(no please don’t)

60. 60
Henri Tremblay
• More or less made possible class mocking and proxying
• Coined the term “partial mocking”

61. 61
Who has learned
something today?
?

62. 62
Further reading

63. 63
Questions? http://montreal-jug.org
? http://easymock.org
http://objenesis.org
http:/ehcache.org
Henri Tremblay
http://blog.tremblay.pro
@henri_tremblay

64. 64