Presentation of a new view on software quality, ViDI tool and Gotham prototype.

1. ViDI
Visual Design Inspector
R AE E LV
Yuriy Tymchuk
Michele Lanza

2. Quality

3. A Bit About Health

5. SOMETHING IS WRONG!!!

9. Weight (kg)
75
81
88
94
100
Fat Weight (%)
0
4
9
13
17
What are you
getting rid of?

10. Calcium Level in a Body

11. Calcium Level in a Body
DANGER!

14. blocked veins
torn tissue
broken bone
lethal
intoxication
TIME TO LIVE: 2H

16. Code quality state of art?

18. Package
Class
Method

19. Package
Class
Method
Foreign Class

20. Package
Class
Method
Foreign Class
Less Critics

21. Package
Class
Method
Foreign Class
More Critics
Less Critics

23. Is SmallLint good?

24. Can you spot the quality difference?

25. SmallLint can!
✓❌

26. aClass is large
(NumberOfMethods veryHighFor: aClass) or:
(NumberOfInstVars veryHighFor: aClass) or: (
(NumberOfMethods highFor: aClass) and:
(NumberOfInstVars highFor: aClass)
)

27. aClass is large
(NumberOfMethods veryHighFor: aClass) or:
(NumberOfInstVars veryHighFor: aClass) or: (
(NumberOfMethods highFor: aClass) and:
(NumberOfInstVars highFor: aClass)
)
0 10.5

28. aClass is large
(NumberOfMethods veryHighFor: aClass) or:
(NumberOfInstVars veryHighFor: aClass) or: (
(NumberOfMethods highFor: aClass) and:
(NumberOfInstVars highFor: aClass)
)
0 10.5 ?

29. Gotham DEMO

30. and more…
http://vidi.inf.usi.ch
https://github.com/Uko/Vidi
yuriy.tymchuk@usi.ch
@yuriy_tymchuk
"