Kiwi for iOS 介绍
Kiwi 是 Objective-C 的单元测试框架，因其简单的接口而著名，基于 Objective-C 编写，只支持 iOS 应用
示例代码：
describe(@"Team", ^{
context(@"when newly created", ^{
it(@"should have a name", ^{
id team = [Team team];
[[team.name should] equal:@"Black Hawks"];
});
it(@"should have 11 players", ^{
id team = [Team team];
[[[team should] have:11] players];
});
});
});