From f4aacfedae8c1cf97b8c6d72ad9eb2437e4233ca Mon Sep 17 00:00:00 2001
From: augustin <azzerty23@hotmail.fr>
Date: Tue, 20 Feb 2024 12:56:48 +0100
Subject: [PATCH 1/3] fix: withDefaultAuth with anonymous user

---
 packages/runtime/src/enhancements/default-auth.ts | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/packages/runtime/src/enhancements/default-auth.ts b/packages/runtime/src/enhancements/default-auth.ts
index cce9af782..c37b51b38 100644
--- a/packages/runtime/src/enhancements/default-auth.ts
+++ b/packages/runtime/src/enhancements/default-auth.ts
@@ -15,7 +15,7 @@ import { DefaultPrismaProxyHandler, PrismaProxyActions, makeProxy } from './prox
 export function withDefaultAuth<DbClient extends object>(
     prisma: DbClient,
     options: InternalEnhancementOptions,
-    context?: EnhancementContext
+    context: EnhancementContext = {}
 ): DbClient {
     return makeProxy(
         prisma,
@@ -32,14 +32,10 @@ class DefaultAuthHandler extends DefaultPrismaProxyHandler {
         prisma: DbClientContract,
         model: string,
         options: InternalEnhancementOptions,
-        private readonly context?: EnhancementContext
+        private readonly context: EnhancementContext
     ) {
         super(prisma, model, options);
 
-        if (!this.context?.user) {
-            throw new Error(`Using \`auth()\` in \`@default\` requires a user context`);
-        }
-
         this.userContext = this.context.user;
     }
 
@@ -95,6 +91,9 @@ class DefaultAuthHandler extends DefaultPrismaProxyHandler {
     }
 
     private getDefaultValueFromAuth(fieldInfo: FieldInfo) {
+        if (!this.userContext) {
+            throw new Error(`Using \`auth()\` in \`@default\` requires a user context`);
+        }
         return fieldInfo.defaultValueProvider?.(this.userContext);
     }
 }

From 7eb9670fe5f80f61a0752150419510b893665475 Mon Sep 17 00:00:00 2001
From: augustin <azzerty23@hotmail.fr>
Date: Tue, 20 Feb 2024 13:28:05 +0100
Subject: [PATCH 2/3] add test

---
 .../enhancements/with-policy/auth.test.ts     | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/tests/integration/tests/enhancements/with-policy/auth.test.ts b/tests/integration/tests/enhancements/with-policy/auth.test.ts
index f5b4e2f4f..04a88408c 100644
--- a/tests/integration/tests/enhancements/with-policy/auth.test.ts
+++ b/tests/integration/tests/enhancements/with-policy/auth.test.ts
@@ -505,4 +505,33 @@ describe('With Policy: auth() test', () => {
             ])
         );
     });
+
+    it('Default auth() without user context', async () => {
+        const { enhance } = await loadSchema(
+            `
+        model User {
+            id String @id
+            posts Post[]
+
+            @@allow('all', true)
+        }
+
+        model Post {
+            id String @id @default(uuid())
+            title String
+            author User @relation(fields: [authorId], references: [id])
+            authorId String @default(auth().id)
+
+            @@allow('all', auth().id != null)
+        }
+        `
+        );
+
+        const db = enhance();
+        await expect(db.user.create({ data: { id: 'userId-1' } })).toResolveTruthy();
+        await expect(db.post.create({ data: { title: 'title' } })).rejects.toThrow(
+            'Using `auth()` in `@default` requires a user context'
+        );
+        await expect(db.post.findMany({})).toResolveTruthy();
+    });
 });

From 32414f4f5f37267b987a0f58998b732d105c8de6 Mon Sep 17 00:00:00 2001
From: augustin <azzerty23@hotmail.fr>
Date: Tue, 20 Feb 2024 15:44:42 +0100
Subject: [PATCH 3/3] feat: improve error message

---
 packages/runtime/src/enhancements/default-auth.ts             | 2 +-
 tests/integration/tests/enhancements/with-policy/auth.test.ts | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/runtime/src/enhancements/default-auth.ts b/packages/runtime/src/enhancements/default-auth.ts
index c37b51b38..bbbd35861 100644
--- a/packages/runtime/src/enhancements/default-auth.ts
+++ b/packages/runtime/src/enhancements/default-auth.ts
@@ -92,7 +92,7 @@ class DefaultAuthHandler extends DefaultPrismaProxyHandler {
 
     private getDefaultValueFromAuth(fieldInfo: FieldInfo) {
         if (!this.userContext) {
-            throw new Error(`Using \`auth()\` in \`@default\` requires a user context`);
+            throw new Error(`Evaluating default value of field \`${fieldInfo.name}\` requires a user context`);
         }
         return fieldInfo.defaultValueProvider?.(this.userContext);
     }
diff --git a/tests/integration/tests/enhancements/with-policy/auth.test.ts b/tests/integration/tests/enhancements/with-policy/auth.test.ts
index 04a88408c..e1fff4f73 100644
--- a/tests/integration/tests/enhancements/with-policy/auth.test.ts
+++ b/tests/integration/tests/enhancements/with-policy/auth.test.ts
@@ -522,7 +522,7 @@ describe('With Policy: auth() test', () => {
             author User @relation(fields: [authorId], references: [id])
             authorId String @default(auth().id)
 
-            @@allow('all', auth().id != null)
+            @@allow('all', true)
         }
         `
         );
@@ -530,7 +530,7 @@ describe('With Policy: auth() test', () => {
         const db = enhance();
         await expect(db.user.create({ data: { id: 'userId-1' } })).toResolveTruthy();
         await expect(db.post.create({ data: { title: 'title' } })).rejects.toThrow(
-            'Using `auth()` in `@default` requires a user context'
+            'Evaluating default value of field `authorId` requires a user context'
         );
         await expect(db.post.findMany({})).toResolveTruthy();
     });