????TDD?????

????JUnit?????????????????????????????Unit Test Framework??????TDD????????????ε???? ?????????????????????????????????????????????????????????TDD???????????????????????????Working Effectively with legacy code????????????????Xunit Test Patterns??????Щ??????????????????????????·????????????????????????????·??

?????? ???е?TDD?е?T??????????????????????????????????????????????????????????????????????·?????????????????????Automate Acceptance Test Driven Development??AATDD??????????????????????Fitnesse??

?????? ???е?????????????????????????????????????????????????

????BDD??????

?????????????????Behavior Driven development??BDD???????????????????????????????????????????????????????????????????????????????

def test_valid_point ->  

2 def test_point_should_support_set_integer_to_x_and_y  

3   

4 def test_invalid_point ->  

5 def test_point_should_raise_error_when_set_none_integer_to_x_and_y 
 


??????????Ruby??BDD?????Rspec??????????????????????????????????

describe "A new point" do 

02   it "should raise exception when set none integer as x or y" do 

03     none_integers = [[nil?? 3]?? [3?? nil]?? [1?? -2]?? [-2?? 1]?? [1.5?? 2]?? [2?? 1.5]]  

04     none_integers.each do |ni|  

05       Point.new(ni[0]?? ni[1]).should raise_error()  

06     end 

07   end 

08   it "should accept when set integer as x and y" do 

09     integers = [[1?? 2]?? [0?? 0]]  

10     integers.each do |i|  

11       p = Point.new(i[0]?? i[1])  

12       p.x.should == i[0]  

13       p.y.should == i[1]  

14     end 

15   end 

16 end
 


????Rspec?????????????????Ч?￡?????Spec????????????????????????????????????????????????Rspec??????????????????describe/it/do?????棬??????????????????????Spec??????????????????????Cucumber??