I used this set of slides for a talk I gave at the SCRUM Breakfast in Bern (March 2010)

1. enhancing agile development
with software assessment
www.tudorgirba.com

2. ology.org
ooset echn
m

5. feedback is key

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26. feedback is key

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30. {
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reverse
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engineering

31. {
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{
reverse
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engineering

32. {
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{
reverse
{
{
assessment
}
}
engineering

33. assessment is a discipline
assessment should be continuous
assessment should be contextual

38. McCabe = 21
NOM =
102
OC
=
75
3,0
00
clas
ses
se lect
: #isG
o d
...
L
{ {
{ {
}
}
}
} { }

39. McCabe = 21
NOM =
102
OC
=
75
3,0
00
clas
ses
se lect
: #isG
o d
...
L
{ {
{ {
}
}
}
} { }

41. McCabe = 21
NOM =
102
OC
=
75
3,0
00
clas
ses
se lect
: #isG
o d
...
L
{ {
{ {
}
}
}
} { }

42. McCabe = 21
NOM =
102
OC
=
75
3,0
00
clas
ses
se lect
: #isG
o d
...
L
{ {
{ {
}
}
}
} { }

46. A God Class centralizes too much intelligence
Class uses directly more than a
few attributes of other classes
ATFD > FEW
Functional complexity of the
class is very high
AND GodClass
WMC ! VERY HIGH
Class cohesion is low
TCC < ONE THIRD
00 6
, Mari nescu 2
Lanza

47. McCabe = 21
NOM =
102
OC
=
75
3,0
00
clas
ses
se lect
: #isG
o d
...
L
{ {
{ {
}
}
}
} { }

48. McCabe = 21
NOM =
102
OC
=
75
3,0
00
clas
ses
se lect
: #isG
o d
...
L
{ {
{ {
}
}
}
} { }

51. A picture tells
a thousand words

54. l pictures tell a
Not al
words
th ousand

55. System Complexity shows class hierarchies
03
ucasse 20
Lanza, D

58. Class Blueprint shows class internals

60. eDSM shows dependencies

61. Duplications shown side by side

62. McCabe = 21
NOM =
102
OC
=
75
3,0
00
clas
ses
se lect
: #isG
o d
...
L
{ {
{ {
}
}
}
} { }

63. McCabe = 21
NOM =
102
OC
=
75
3,0
00
clas
ses
se lect
: #isG
o d
...
L
{ {
{ {
}
}
}
} { }

64. McCabe = 21
NOM =
102
OC
=
75
3,0
00
clas
ses
se lect
: #isG
o d
...
L
{ {
{ {
}
}
}
} { }

65. ology.org
ooset echn
m

66. What is this made of?
03
ucasse 20
Lanza, D

67. What is this made of?

68. Class A method M
package 1
Class B method N
package 2
... ...
...
source code

73. McCabe = 21
NOM =
102
OC
=
75
3,0
00
clas
ses
se lect
: #isG
o d
...
L
{ {
{ {
}
}
}
} { }

74. {
{
}
}
}
{
reverse
{
{
assessment
}
}
engineering

75. feedback is key

76. feedback is key

77. assessment is a discipline
assessment should be continuous
assessment should be contextual

78. assessment is a discipline
assessment must be continuous
assessment must be contextual

79. Tudor Gîrba
www.tudorgirba.com
creativecommons.org/licenses/by/3.0/