fix: Cleanup relationships when user is deleted (#6343)

* fix: Cleanup relationships when user is deleted

* Update tests

* Update User.test.ts

server/queues/processors/UserDeletedProcessor.test.ts

@@ -0,0 +1,35 @@
+import UserAuthentication from "@server/models/UserAuthentication";
+import { buildUser } from "@server/test/factories";
+import UserDeletedProcessor from "./UserDeletedProcessor";
+
+const ip = "127.0.0.1";
+
+describe("UserDeletedProcessor", () => {
+  test("should remove relationships", async () => {
+    const user = await buildUser();
+    expect(
+      await UserAuthentication.count({
+        where: {
+          userId: user.id,
+        },
+      })
+    ).toBe(1);
+
+    const processor = new UserDeletedProcessor();
+    await processor.perform({
+      name: "users.delete",
+      userId: user.id,
+      actorId: user.id,
+      teamId: user.teamId,
+      ip,
+    });
+
+    expect(
+      await UserAuthentication.count({
+        where: {
+          userId: user.id,
+        },
+      })
+    ).toBe(0);
+  });
+});