To achieve testability in modular software we need to leverage the Dependency Inversion Principle (DIP) up to the level of application architecture. That was the reasoning behind introducing the concept of Infrastructure-Modules. When we extract all the infrastructure code from Business-Modules, they can stay focused on the business logic and have no design/compile-time dependencies on any untestable infrastructure code. As a side effect, we achieve Separation of Concerns.
This version was a lot more taxing for Ostrich judging by the larger number of timeouts. Most of the other experiments had none or a handful of timeouts, but this one is hitting the deep double digits. That’s probably in part due to the length constraint being rather expensive even for this trivial check for an empty string. Someone should really look into that! In hindsight, rewriting it as a regex might have been a better idea.，详情可参考体育直播
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