install rspec gem
Create scaffold
initial import
rspecのフォルダ分け
add Gemfile
Initial commit
add mock of rspec
create rspec frame
test number of output string
step2 clear
add .gitignore
second commit
add test case "1:A"
Implement 1:A case
supported test case "1:Aa"
 add .rspec
step3 clear\(^o^)/
support test case "2:AB"
リファクタリング
Replace tab to white space