TDD應用狀況的調查 (下) @ David Ko的學習之旅

TDD應用狀況的調查 (下)

Test Driven Development (TDD) Survey: October 2008
http://www.ambysoft.com/surveys/tdd2008.html

Posted by Scott W. Ambler
Published in Ambysoft

16. When it comes to adopting TDD within your organization, how are the potential challenges affecting you?
                Large     Some      No        Don't   Response
                Impact    Impact    Impact    Know    Count
Lack of skills 43.9%(43) 44.9%(44) 11.2%(11) 0.0%(0) 98
Lack of
training/
education       36.7%(36) 44.9%(44) 18.4%(18) 0.0%(0) 98
Lack of
regression test
suite(s) for
existing
systems         48.0%(47) 33.7%(33) 18.4%(18) 0.0%(0) 98
Waterfall
culture         38.8%(38) 30.6%(30) 27.6%(27) 3.1%(3) 98

17. What is your opinion about ease of learning Acceptance TDD?
                 Response  Response
                 Percent   Count
Very Difficult   5.3%      5
Difficult        34.0%    32
Neutral          30.9%   29
Easy             10.6%    10
Very Easy        3.2%      3
No Opinion       16.0%   15

18. What is your opinion about ease of learning Developer TDD?
                 Response  Response
                 Percent   Count
Very Difficult   11.7%   11
Difficult        35.1%    33
Neutral          27.7%     26
Easy             24.5%    23
Very Easy        1.1%      1
No Opinion       0.0%      0

19. Based on your experience, how effective are the following strategies for learning Acceptance TDD?
Very Effective = 5, Effective = 4, Neutral = 3, Ineffective = 2, Very Ineffective = 1, No Opinion = 0
                5     4     3     2     1    0     Count
Pair with TDD
experienced
person          50.0% 14.9% 2.1% 2.1% 0.0% 30.9% 94
Pair with
another TDD
learner         9.6% 26.6% 20.2% 12.8% 1.1% 29.8% 94
Training in TDD 7.4% 43.6% 16.0% 1.1% 0.0% 31.9% 94
Reading a TDD
book            3.2% 40.4% 23.4% 6.4% 0.0% 26.6% 94
Reading articles
about TDD       2.1% 34.0% 27.7% 7.4% 0.0% 28.7% 94
Discussing TDD
on online
forums          1.1% 28.7% 28.7% 6.4% 0.0% 35.1% 94
Teaching it to
yourself        7.4% 29.8% 28.7% 7.4% 0.0% 26.6% 94
Mentoring by
someone with TDD
experiencw      36.2% 28.7% 3.2% 0.0% 0.0% 31.9% 94

20. Based on your experience, how effective are the following strategies for learning Developer TDD?
Very Effective = 5, Effective = 4, Neutral = 3, Ineffective = 2, Very Ineffective = 1, No Opinion = 0
                5     4     3     2     1    0     Count
Pair with TDD
experienced
person          73.4% 12.8% 2.1% 2.1% 0.0% 9.6% 94
Pair with
another TDD
learner         10.6% 44.7% 19.1% 11.7% 1.1% 12.8% 94
Training in TDD 10.6% 55.3% 19.1% 0.0% 0.0% 14.9% 94
Reading a TDD
book            6.4% 59.6% 25.5% 7.4% 0.0% 1.1% 94
Reading articles
about TDD       4.3% 53.2% 31.9% 8.5% 0.0% 2.1% 94
Discussing TDD
on online
forums          4.3% 44.7% 31.9% 8.5% 0.0% 10.6% 94
Teaching it to
yourself        11.7% 46.8% 28.7% 9.6% 0.0% 3.2% 94
Mentoring by
someone with TDD
experience      54.3% 27.7% 5.3% 0.0% 0.0% 12.8% 94

21. Size of the project team?
                 Response  Response
                 Percent   Count
Not currently on
a project        0.0%      0
1 to 5           38.3%    36
6 to 10          37.2%   35
11 to 20         16.0%   15
21 to 50         3.2%      3
51 to 100        5.3%     5
101 to 200       0.0%      0
201 to 500       0.0%      0
501 or more      0.0%      0

22. What is the level of application of TDD?
                 Response  Response
                 Percent   Count
Both Acceptance
and Developer
TDD              39.4%    37
Just Acceptance
TDD              1.1%      1
Just Developer
TDD              31.9%    30
Regression
Testing
(non-TDD)        12.8%   12
None             11.7%   11
Don’t know       3.2%      3

23. What other forms of testing is your team doing? (select all that apply, if any)
                 Response  Response
                 Percent   Count
End of lifecycle
testing by
independent
QA/Test Team     45.2%    38
Parallel testing
by independent
test team
throughout the
lifecycle        35.7%     30
Developer
regression
testing          59.5%    50
Independent
regression
testing          22.6%   19
Reviews/
inspections of
work products    52.4%   44

24. Who is writing tests and when are they doing it? (check all that apply, if any)
                 Response  Response
                 Percent   Count
Analysts write
tests before
developers write
production code  20.0%   18
Developers write
tests before
writing
production code  81.1%     73
Developers write
tests after
writing
production code  56.7%   51
Testers write
tests after
developers
write production
code             36.7%    33

25. How is your team capturing requirements specifications? (check all that apply, if any)
                 Response  Response
                 Percent   Count
Customer/
acceptance tests 44.7%     42
Defect
management tool
(e.g.Bugzilla,
ChangeQuest)     39.4%     37
Diagrams in
drawing tools
(e.g. Visio,
PowerPoint)      17.0%     16
Digital snapshots
of whiteboard
sketches         13.8%     13
Paper models
(cards, ...)   35.1%     33
Requirements
management tool
(e.g.Doors,
ReqPro)          20.2%   19
Software-Based
Modeling Tool
models (e.g.
ErWin, RSA,
Enterprise
Architect)       7.4%     7
Whiteboard
sketches         34.0%    32
Wiki             25.5%   24
Word processor/
text editor      52.1%    49

26. How are you capturing design specifications? (check all that apply, if any)
                 Response  Response
                 Percent   Count
Defect management
tool (e.g.
Bugzilla,
ChangeQuest)     21.7%     20
Developer tests 56.5%     52
Diagrams in
drawing tools
(e.g. Visio,
Powerpoint)      30.4%    28
Digital snapshots
of whiteboard
sketches         20.7%   19
Paper models
(cards, ...)    27.2%   25
Software-Based
Modeling Tool
models (e.g.
ErWin, RSA,
Enterprise
Architect)       12.0%   11
Whiteboard
sketches         48.9%   45
Wiki             38.0%   35
Word processor/
text editor      38.0%    35