Testability patterns: Inversion of Control, Separated Presentation

可测试模式：控制反转、分离表现

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Inversion of Control (IoC) and Dependency Injection (DI) are patterns that draw a lot of attention (see Resources).

控制反转(IoC)和依赖项注入(DI)是两种引起极大关注的模式(参见参考资料)。

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Ds components needs no OSGi interfaces, and as such, can be mocked for testing or used in other inversion of control patterns like Spring.

DS组件不需要OSGi接口，这样，它可以在其他控制反转模式(如spring)里被模拟来测试或使用。

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