From d2234b11c420bbbc9124315edaa34eb3acddde28 Mon Sep 17 00:00:00 2001
From: 4gray <serega05@gmail.com>
Date: Sat, 5 Sep 2026 22:24:11 +0200
Subject: [PATCH] test(migration): cover legacy recovery IPC contracts

---
 .../src/app/api/main.preload.spec-data.ts             |  6 ++++++
 .../events/database/worker-ipc-contract.spec-data.ts  |  5 +++++
 .../app/events/database/worker-ipc-contract.spec.ts   | 11 ++++++++++-
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/apps/electron-backend/src/app/api/main.preload.spec-data.ts b/apps/electron-backend/src/app/api/main.preload.spec-data.ts
index ed836139b..1f2db2db2 100644
--- a/apps/electron-backend/src/app/api/main.preload.spec-data.ts
+++ b/apps/electron-backend/src/app/api/main.preload.spec-data.ts
@@ -82,6 +82,12 @@ export const dbPreloadCases: PreloadInvokeCase[] = [
         channel: 'DB_UPSERT_APP_PLAYLIST',
         forwardedArgs: [playlist],
     },
+    {
+        method: 'dbRecoverLegacyPlaylists',
+        args: [],
+        channel: 'DB_RECOVER_LEGACY_PLAYLISTS',
+        forwardedArgs: [],
+    },
     {
         method: 'dbMigrateAppPlaylists',
         args: [playlists],
diff --git a/apps/electron-backend/src/app/events/database/worker-ipc-contract.spec-data.ts b/apps/electron-backend/src/app/events/database/worker-ipc-contract.spec-data.ts
index 00ae5f697..49a51080e 100644
--- a/apps/electron-backend/src/app/events/database/worker-ipc-contract.spec-data.ts
+++ b/apps/electron-backend/src/app/events/database/worker-ipc-contract.spec-data.ts
@@ -73,6 +73,11 @@ export const workerIpcContractCases: WorkerIpcContractCase[] = [
         args: [playlist],
         payload: playlist,
     },
+    {
+        operation: 'DB_MIGRATE_APP_PLAYLISTS',
+        args: [playlists],
+        payload: { playlists },
+    },
     {
         operation: 'DB_UPSERT_APP_PLAYLISTS',
         args: [playlists],
diff --git a/apps/electron-backend/src/app/events/database/worker-ipc-contract.spec.ts b/apps/electron-backend/src/app/events/database/worker-ipc-contract.spec.ts
index 0729cd338..4998d870b 100644
--- a/apps/electron-backend/src/app/events/database/worker-ipc-contract.spec.ts
+++ b/apps/electron-backend/src/app/events/database/worker-ipc-contract.spec.ts
@@ -92,11 +92,20 @@ describe('database worker IPC contract', () => {
 
     it('registers an IPC handler for every worker operation', () => {
         const registeredDbChannels = [...mockRegisteredHandlers.keys()]
-            .filter((channel) => channel !== 'DB_CANCEL_OPERATION')
+            .filter(
+                (channel) =>
+                    ![
+                        'DB_CANCEL_OPERATION',
+                        'DB_RECOVER_LEGACY_PLAYLISTS',
+                    ].includes(channel)
+            )
             .sort();
 
         expect(registeredDbChannels).toEqual([...DB_WORKER_OPERATIONS].sort());
         expect(mockRegisteredHandlers.has('DB_CANCEL_OPERATION')).toBe(true);
+        expect(mockRegisteredHandlers.has('DB_RECOVER_LEGACY_PLAYLISTS')).toBe(
+            true
+        );
     });
 
     it.each(workerIpcContractCases)(