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Sounds great in theory (programming.dev)

submitted 11 months ago by [email protected] to c/[email protected]

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[–] [email protected] 4 points 11 months ago

I much prefer having an in-memory database than mock what a database does.

Which sounds great in theory but then you get to find where your prod DB and testing DB differ and you have to keep chasing that. Unless you are using something like SQLite which has both (disk and in-memory) as an option.

I worked at a place that used a different in-memory DB (H2, IIRC) in place of our MySQL DB for testing. It ended up being hell to maintain and had to have hacks for how H2 and MySQL differ (tests would work in H2 but fail if run against MySQL or vice versa).