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by UK-Al05
2254 days ago
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Most of the reason for 'mocking' databases is because of performance reasons. If you have 8000 tests, having a fake database drastically increases performance. One trick I use is that I write a in-memory version. I use that in unit tests. I then write integration tests, that check behaviour of the InMemory and RealVersion are exactly the same. I inject either version into the same tests. They also check I haven't broken any code in the RealVersion which isn't been covered by unit tests mostly because its just external interaction in there. If you have to verify inter-service interactions, use contract tests. |
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