The Prisma Documentation has examples of mocking the client and doing unit testing using jest and typescript. Is there any way to mock the client in jest without using TypeScript?
I would be grateful if you can give a simple example.
Small Thing to add: I am using dependency injection in my project in all the functions that use the prisma.
My solution for now: I am manually mocking the database object and passing it to the function that uses it: I am not sure how useful this but it helps avoid making calls to the real database.
const mocked_db = {
user: {
findFirst: jest.fn(() => Promise.resolve(
{
id: 2,
first_name: "Basel",
last_name: "Akasha"
}
))
}
}
it("It should work blah blah bla", async () => {
let user_details= {
id: 2,
first_name: "Basel",
last_name: "Akasha"
}
let signup = await getUser(
mocked_db // takes thew DB object is a parameter (normally you would pass your Prisma client instance)
)
await expect(.... // whatever you'r expect is
})'