Prismock - Run tests in isolation with an in-memory implementation of Prisma
A mock for PrismaClient that reads your Prisma schema and provides an in-memory store for fast, isolated unit tests.
What is Prismock - Run tests in isolation with an in-memory implementation of Prisma?
Prismock is a mocking library for PrismaClient that reads your Prisma schema and provides an in-memory implementation for unit testing. It simulates Prisma's API to allow developers to write fast, isolated tests without needing a live database connection. The library is extensively tested against real Prisma results to ensure accuracy across MySQL, PostgreSQL, and MongoDB environments.
Developers using Prisma ORM who need to write unit tests for their applications without relying on a live database. It is particularly useful for backend engineers, full-stack developers, and educators teaching testing practices with Prisma.
Prismock offers a schema-aware, in-memory mock that closely replicates Prisma's behavior, enabling reliable and fast unit tests. Unlike generic mocks, it reads your actual Prisma schema, supports most Prisma features, and is validated against real database results, reducing test flakiness and integration complexity.
Overview
A mock for PrismaClient, dedicated to unit testing.
Use Cases
Best For
- Unit testing Prisma-based applications without a live database
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