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I’m trying to write unit tests for parts of my Node app. I’m using Mongoose for my ORM.
I’ve searched a bunch for how to do testing with Mongoose and Node but not come with anything. The solutions/frameworks all seem to be full-stack or make no mention of mocking stuff.
Is there a way I can mock my Mongoose DB so I can return static data in my tests? I’d rather not have to set up a test DB and fill it with data for every unit test.
Has anyone else encountered this?
I solved this by structuring my code a little. I’m keeping all my mongoose-related stuff in separate classes with APIs like “save”, “find”, “delete” and no other class does direct access to the database. Then I simply mock those in tests that rely on data.
I did something similar with the actual objects that are returned. For every model I have in mongoose, I have a corresponding class that wraps it and provides access-methods to fields. Those are also easily mocked.