1.
2011.05.21
http://www.flickr.com/photos/bruce_mcadam/3214482163/
2011 5 22

2.
2011 5 22

3.
mrkn
Ruby
Ruby
http://www.flickr.com/photos/koichiroo/5244581973/
2011 5 22

4.
2011
2010 5
3 22
1

5.
http://www.flickr.com/photos/bruce_mcadam/3214482163/
2011 5 22

6.
2011.05.21
http://www.flickr.com/photos/bruce_mcadam/3214482163/
2011 5 22

7.
2011 5 22

8.
http://www.flickr.com/photos/bruce_mcadam/3214482163/
2011 5 22

9.
BDD
Behavior Driven Development
2011 5 22

10.
TDD
Test Driven Development
2011 5 22

11.
TDD
Test Driven Development
2011 5 22

12.
TDD BDD
2011 5 22

13.
2011 5 22

14.
2011 5 22

15.
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16.
2011 5 22

17.
test-unit
2011 5 22

18.
module System
class AgeCalculatorTest < Test::Unit::TestCase
include RR::Adapters::TestUnit
def setup
@calc = AgeCalculator.with_birthday(1981, 7, 20)
end
def test_age_on
assert_equal(29, @calc.age_on(2011, 7, 19))
assert_equal(30, @calc.age_on(2011, 7, 20))
end
def test_age_today
d, m, y = [*Time.now][3..5]
stub(@calc).age_on
@calc.age_on_today
assert_received(@calc) {|c| c.age_on(y, m, d) }
end
end
end
2011 5 22

19.
RSpec
2011 5 22

20.
module System
describe AgeCalculator do
context ‘with birthday 1981-07-20’ do
subject { AgeCalculator.with_birthday(1981, 7, 20) }
describe ‘#age_on’ do
context ‘with 2011-07-19’ do
specify ‘the age is 29’ do
subject.age_on(2011, 7, 19).should be == 29
end
end
context ‘with 2011-07-20’ do
specify ‘the age is 30’ do
subject.age_on(2011, 7, 20).should be == 30
end
end
end
describe ‘#age_on_today’ do
it ‘calls age_on with year, month, and day on today’ do
d, m, y = [*Time.now][3..5]
subject.should_receive(:age_on).with(y, m, d)
subject.age_on_today
end
end
end
end
end
2011 5 22

21.
2011 5 22

22.
2011 5 22

23.
2011 5 22

24.
TDD
2011 5 22

25.
!Test"#$%
&'()$*
t-wada
http://d.hatena.ne.jp/t-wada/
2005+7,23-
@J2EE./012103
http://www.ne.jp/asahi/t/wada/articles/Test_in_TDD.pdf
2011 5 22

26.
!"#$%1
! TDD&'()*+,&-.
! "Test"/01213.45%&6784
" 9:;<=>?@A
" 2B%"Test"CDE&-.FGHIJKLF
" MNO5PQCRS
! '()TUVWXOYZ[4
" 9:#/ ]^#/ >?@A_`
http://www.ne.jp/asahi/t/wada/articles/Test_in_TDD.pdf
2011 5 22

27.
!"#$%1
! TDD&'()*+,&-.
! "Test"/01213.45%&6784
" 9:;<=>?@A
" 2B%"Test"CDE&-.FGHIJKLF
" MNO5PQCRS
! '()TUVWXOYZ[4
" 9:#/ ]^#/ >?@A_`
http://www.ne.jp/asahi/t/wada/articles/Test_in_TDD.pdf
2011 5 22

28.
!"#$%2
! TDD%"Test"&'(())%*+%,%
" -./0'(12%345
! TDD%67&89:;<=/>?@ABCD
:;EFG>/HIJKL
http://www.ne.jp/asahi/t/wada/articles/Test_in_TDD.pdf
2011 5 22

29.
!"#$%2
! TDD%"Test"&'(())%*+%,%
" -./0'(12%345
! TDD%67&89:;<=/>?@ABCD
:;EFG>/HIJKL
http://www.ne.jp/asahi/t/wada/articles/Test_in_TDD.pdf
2011 5 22

30.
http://blogs.itmedia.co.jp/hiranabe/2005/08/sd4__c05e.html
2011 5 22

31.
http://blogs.itmedia.co.jp/hiranabe/2005/10/tdd__bdd__731d.html
2011 5 22

32.
2011 5 22

33.
2011 5 22

34.
module System
describe AgeCalculator do
context ‘with birthday 1981-07-20’ do
subject { AgeCalculator.with_birthday(1981, 7, 20) }
describe ‘#age_on’ do
context ‘with 2011-07-19’ do
specify ‘the age is 29’ do
subject.age_on(2011, 7, 19).should be == 29
end
end
context ‘with 2011-07-20’ do
specify ‘the age is 30’ do
subject.age_on(2011, 7, 20).should be == 30
end
end
end
describe ‘#age_on_today’ do
it ‘calls age_on with year, month, and day on today’ do
d, m, y = [*Time.now][3..5]
subject.should_receive(:age_on).with(y, m, d)
subject.age_on_today
end
end
end
end
end
2011 5 22

35.
2011 5 22

36.
http://www.flickr.com/photos/bruce_mcadam/3214482163/
2011 5 22

37.
2011 5 22

38.
2011 5 22

39.
2011 5 22

40.
2011 5 22

41.
http://gihyo.jp/dev/serial/01/ruby/0039
2011 5 22

42.
http://www.nicovideo.jp/watch/sm12975849
2011 5 22

43.
2011 5 22

44.
2011 5 22

45.
gem install rspec
2011 5 22

46.
rspec
rspec-core
rspec-expectations
rspec-mocks
2011 5 22

47.
2011 5 22

48.
gem install rspec
2011 5 22

49.
http://www.flickr.com/photos/bruce_mcadam/3214482163/
2011 5 22

50.
2011 5 22

51.
2011 5 22

52.
2011 5 22

53.
2011 5 22

54.
require ‘spec/test/unit’
2011 5 22

55.
‘spec/test/unit’
2011 5 22

56.
http://www.slideshare.net/t_wada/sapporo-rubykaigi01-twada-lt-presentation
2011 5 22

57.
(a.k.a id:t-wada)
Oct, 26, 2008 @SapporoRubyKaigi 01
http://www.slideshare.net/t_wada/sapporo-rubykaigi01-twada-lt-presentation
2011 5 22

58.
2011 5 22

59.
2011 5 22

60.
2011 5 22

61.
2011 5 22

62.
Photo by rla579: http://flickr.com/photos/rla579/2482286520/
2011 5 22

63.
Working Effectively with Legacy tDiary Code
using Cucumber and RSpec
KAKUTANI Shintaro; Eiwa System Management,Inc.; Nihon Ruby-no-kai
http://kakutani.com/articles/working_effectively_with_legacy_tdiary_code_using_cucumber_and_rspec.pdf
2011 5 22

64.
2011 5 22

65.
2011 5 22

66.
2011 5 22

67.
FizzBuzzCounter
2011 5 22

68.
2011 5 22

69.
#
FizzBuzzCounter.new.each do |i|
p i
end
#=> 1
# 2
# “Fizz”
# 4
# “Buzz”
2011 5 22

70.
#
fbc = FizzBuzzCounter.new
p fbc.next #=> 1
p fbc.next #=> 2
p fbc.next #=> “Fizz”
fbc.each {|i| break if i > 14 }
p fbc.next #=> “FizzBuzz”
2011 5 22

71.
# Enumerable
fbc = FizzBuzzCounter.new
p fbc.take(3) #=> [1, 2, “Fizz”]
p fbc.take(3) #=> [4, “Buzz”, “Fizz”]
2011 5 22

72.
2011 5 22

73.
spec/
spec_helper.rb
require ‘spec_helper’
2011 5 22

74.
Live Coding
2011 5 22

75.
RSpec Best Practice
http://jp.rubyist.net/magazine/?0032-TranslationArticle
2011 5 22

76.
describe FizzBuzzCounter do
describe ‘.filter’ do
context ‘with 1’ do
it ‘returns 1’ do
FizzBuzzCounter.
filter(1).should be == 1
end
end
end
end
2011 5 22

77.
describe FizzBuzzCounter do
describe ‘.filter’ do
context ‘with 1’ do
it ‘returns 1’ do
FizzBuzzCounter.
filter(1).should be == 1
end
end
end
end
2011 5 22

78.
Observer Pattern
2011 5 22

79.
observers
1 *
subject
+ change()
2011 5 22

80.
2011 5 22

81.
2011 5 22

82.
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83.
2011 5 22

84.
Test Double
2011 5 22

85.
describe ConcreteObservable do
describe ‘#change’ do
it ‘calls its notify()’ do
subject.should_receive(:notify)
subject.change
end
end
end
2011 5 22

86.
describe ConcreteObservable do
describe ‘#change’ do
subject { ConcreteObservable.new }
it “calls observers’ update()” do
observer = double(‘an observer’)
observer.should_receive(:update)
subject.change
end
end
end
2011 5 22

87.
http://ironruby.codeplex.com/
2011 5 22