test(client): prototype referential integrity tests

Related: #10806

Test Suites: 1 failed, 1 total
Tests:       3 failed, 45 passed, 48 total
Snapshots:   0 total
Time:        9.838 s

packages/client/tests/functional/_utils/getTestSuiteInfo.ts

@@ -32,6 +32,10 @@ export function getTestSuiteFullName(suiteMeta: TestSuiteMeta, suiteConfig: Test
   if (suiteConfig['previewFeatures']) {
     name += `${suiteConfig['previewFeatures']}`
   }
+
+  if (suiteConfig['referentialIntegrity']) {
+    name += `=${suiteConfig['referentialIntegrity']}`
+  }
   name += `)`
 
   // replace illegal chars with empty string

packages/client/tests/functional/referential-integrity/_matrix.ts

@@ -0,0 +1,47 @@
+import { defineMatrix } from '../_utils/defineMatrix'
+
+const RI = process.env.RI
+if (RI !== 'prisma' && RI !== 'foreignKeys') {
+  throw new Error(`RI must be either "prisma" or "foreignKeys" but was "${RI}"`)
+}
+const referentialIntegrity: 'prisma' | 'foreignKeys' | '' = RI || ''
+
+export default defineMatrix(() => [
+  [
+    {
+      provider: 'postgresql',
+      id: 'String @id',
+      referentialIntegrity,
+    },
+    {
+      provider: 'sqlite',
+      id: 'String @id',
+      referentialIntegrity,
+    },
+    {
+      provider: 'mysql',
+      id: 'String @id',
+      referentialIntegrity,
+    },
+    {
+      provider: 'sqlserver',
+      id: 'String @id',
+      referentialIntegrity,
+    },
+    {
+      provider: 'cockroachdb',
+      id: 'String @id',
+      referentialIntegrity,
+    },
+    {
+      provider: 'mongodb',
+      id: 'String @id @map("_id") @db.ObjectId',
+      referentialIntegrity: 'default',
+    },
+  ],
+  [
+    {
+      previewFeatures: '"referentialIntegrity"',
+    },
+  ],
+])

packages/client/tests/functional/referential-integrity/prisma/_schema.ts

@@ -0,0 +1,47 @@
+import testMatrix from '../_matrix'
+
+export default testMatrix.setupSchema(({ provider, previewFeatures, referentialIntegrity, id }) => {
+  let referentialIntegrityLine = ''
+
+  switch (referentialIntegrity) {
+    case 'prisma':
+    case 'foreignKeys':
+      referentialIntegrityLine = `referentialIntegrity = "${referentialIntegrity}"`
+      break
+    default:
+      break
+  }
+
+  return /* Prisma */ `
+    generator client {
+      provider = "prisma-client-js"
+      previewFeatures = [${previewFeatures}]
+    }
+    
+    datasource db {
+      provider = "${provider}"
+      url      = env("DATABASE_URI_${provider}")
+      ${referentialIntegrityLine}
+    }
+
+    model UserDefault {
+      id      ${id}
+      profile ProfileDefault?
+    }
+    model ProfileDefault {
+      id     ${id}
+      user   UserDefault    @relation(fields: [userId], references: [id])
+      userId String  @unique
+    }
+
+    model UserCascade {
+      id      ${id}
+      profile ProfileCascade?
+    }
+    model ProfileCascade {
+      id     ${id}
+      user   UserCascade @relation(fields: [userId], references: [id], onUpdate: Cascade, onDelete: Cascade)
+      userId String  @unique
+    }
+  `
+})