fix: null validation (#25891)

server/src/controllers/notification-admin.controller.spec.ts

@@ -0,0 +1,36 @@
+import { NotificationAdminController } from 'src/controllers/notification-admin.controller';
+import { NotificationAdminService } from 'src/services/notification-admin.service';
+import request from 'supertest';
+import { factory } from 'test/small.factory';
+import { ControllerContext, controllerSetup, mockBaseService } from 'test/utils';
+
+describe(NotificationAdminController.name, () => {
+  let ctx: ControllerContext;
+  const service = mockBaseService(NotificationAdminService);
+
+  beforeAll(async () => {
+    ctx = await controllerSetup(NotificationAdminController, [
+      { provide: NotificationAdminService, useValue: service },
+    ]);
+    return () => ctx.close();
+  });
+
+  beforeEach(() => {
+    service.resetAllMocks();
+    ctx.reset();
+  });
+
+  describe('POST /admin/notifications', () => {
+    it('should be an authenticated route', async () => {
+      await request(ctx.getHttpServer()).post('/admin/notifications');
+      expect(ctx.authenticate).toHaveBeenCalled();
+    });
+
+    it('should accept a null readAt', async () => {
+      await request(ctx.getHttpServer())
+        .post(`/admin/notifications`)
+        .send({ title: 'Test', userId: factory.uuid(), readAt: null });
+      expect(service.create).toHaveBeenCalledWith(undefined, expect.objectContaining({ readAt: null }));
+    });
+  });
+});