Pairs, construction and reduction: https://www.youtube.com/watch?v=YEyyyzUuUJQ
Such applications could be viewed as any other, so MIM can be applied to them as well. But keep in mind that if the SPA webapp is just a thin client for the backend, separating Infrastructure-Modules might not be worthwhile. (In such a case, according to Adaptive Testing Strategy, blackbox Integration Tests with a faked backend could be just enough. That’s because testability of individual modules would be less important).。体育直播对此有专业解读
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That’s the classical Modular Software Design. What it misses, though, is testability. If a business-module has a lot of complex business logic, it cannot be easily tested, since the business logic is mixed with the untestable infrastructure code (e.g. file system or network calls) that lies in the same module. So we need to introduce a separation, and that’s where Infrastructure-Modules come into play.，详情可参考51吃瓜