Interfaces for external dependencies allow you the flexibility of using either a test double or a real implementation without much overhead. Arguing about that is a moot point.
There is a lot to be said about levels and granularity of testing but that's not this post!
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Interfaces for external dependencies allow you the flexibility of using either a test double or a real implementation without much overhead. Arguing about that is a moot point.
There is a lot to be said about levels and granularity of testing but that's not this post!
Right! there also a lot of test smells, many on this series and many others to come!