2 replies

how to do unit tests?

I can't find any reliable resource on unit test where we mock the drizzle instance.
I don't want to set up a real db connection with either a docker container that I would run alongside my tests or with testcontainers.
because of the drizzle chain methods api it's not that convenient to use for example vitest

vi.spyOn

vi.spyOn

method
I tried to create a method that has a similar api to

spyOn

spyOn

but works with methods like so:

mockChain(db, 'select().from().limit()').mockResolvedValue([{}])

mockChain(db, 'select().from().limit()').mockResolvedValue([{}])

but I was wondering how people using drizzle where mocking this layer

it seems prisma has documentation on how to deal with it https://www.prisma.io/docs/orm/prisma-client/testing/unit-testing

Unit testing with Prisma ORM | Prisma Documentation

Learn how to setup and run unit tests with Prisma Client

Drizzle Team•7mo ago•

2 replies

bebenzer

how to do unit tests?

vi.spyOn

vi.spyOn

method
I tried to create a method that has a similar api to

spyOn

spyOn

but works with methods like so:

mockChain(db, 'select().from().limit()').mockResolvedValue([{}])

mockChain(db, 'select().from().limit()').mockResolvedValue([{}])

but I was wondering how people using drizzle where mocking this layer

it seems prisma has documentation on how to deal with it https://www.prisma.io/docs/orm/prisma-client/testing/unit-testing

Unit testing with Prisma ORM | Prisma Documentation

Learn how to setup and run unit tests with Prisma Client

how to do unit tests?

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