Prisma MCP Server

import testMatrix from './_matrix' // @ts-ignore import type { PrismaClient } from './generated/prisma/client' declare let prisma: PrismaClient /** * Regression test for DataMapperError when reading unknown enum values. * * When the database contains an enum value that Prisma doesn't know about * (e.g., a value added directly to the database after schema generation), * reading the data should return a proper user-facing error (P2023) * rather than throwing an internal error. * * This test adds a new enum value to the database that Prisma schema * doesn't define, inserts a row with that value, then attempts to read it. */ testMatrix.setupTestSuite( () => { beforeAll(async () => { // Add a new enum value to the database that Prisma doesn't know about await prisma.$executeRawUnsafe(`ALTER TYPE "Status" ADD VALUE 'UNKNOWN_TO_PRISMA'`) // Insert a row with the unknown enum value await prisma.$executeRawUnsafe(`INSERT INTO "User" ("id", "status") VALUES ('1', 'UNKNOWN_TO_PRISMA')`) }) test('returns P2023 error when reading enum value unknown to Prisma', async () => { const result = await prisma.user.findMany().catch((e) => e) expect(result.name).toBe('PrismaClientKnownRequestError') expect(result.code).toBe('P2023') expect(result.message).toContain("Value 'UNKNOWN_TO_PRISMA' not found in enum 'Status'") }) }, { optOut: { from: ['mysql', 'cockroachdb', 'mongodb', 'sqlite', 'sqlserver'], reason: 'Test uses PostgreSQL-specific ALTER TYPE syntax for enum modification', }, }, )