FIX: surface failed MFA resets

src/modules/auth/auth.service.reset-users.spec.ts

@@ -0,0 +1,57 @@
+import { HttpException, HttpStatus } from '@nestjs/common';
+import { Metadata } from '@grpc/grpc-js';
+import { of } from 'rxjs';
+
+import { AuthClientService } from './auth.service';
+
+describe('AuthClientService.resetUsers', () => {
+  const logger = {
+    info: jest.fn(),
+    debug: jest.fn(),
+    error: jest.fn(),
+  };
+  const resetUser = jest.fn();
+  let service: AuthClientService;
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    service = new AuthClientService({ logger } as any, {} as any);
+    (service as any).authService = { ResetUser: resetUser };
+  });
+
+  it('returns the DUC response when every requested user was reset', async () => {
+    const response = {
+      message: 'Users reset successfully',
+      successfulUsers: ['user-1'],
+      failedUsers: [],
+    };
+    resetUser.mockReturnValue(of(response));
+
+    await expect(
+      service.resetUsers(['user-1'], new Metadata()),
+    ).resolves.toEqual(response);
+  });
+
+  it('returns a non-2xx error instead of masking failed resets', async () => {
+    const response = {
+      message: 'Some users failed',
+      successfulUsers: ['user-1'],
+      failedUsers: ['user-2'],
+    };
+    resetUser.mockReturnValue(of(response));
+
+    try {
+      await service.resetUsers(['user-1', 'user-2'], new Metadata());
+      fail('Expected resetUsers to reject');
+    } catch (error) {
+      expect(error).toBeInstanceOf(HttpException);
+      expect((error as HttpException).getStatus()).toBe(HttpStatus.BAD_GATEWAY);
+      expect((error as HttpException).getResponse()).toEqual({
+        statusCode: HttpStatus.BAD_GATEWAY,
+        message: 'Failed to reset MFA for one or more users.',
+        successfulUsers: ['user-1'],
+        failedUsers: ['user-2'],
+      });
+    }
+  });
+});

src/modules/auth/auth.service.ts

@@ -295,6 +295,22 @@ export class AuthClientService implements OnModuleInit {
         this.authService.ResetUser({ users }, metadata),
       );
 
+      if (response.failedUsers?.length > 0) {
+        this.logger.error('resetUsers - Partial or total failure', {
+          successfulUsers: response.successfulUsers,
+          failedUsers: response.failedUsers,
+        });
+        throw new HttpException(
+          {
+            statusCode: HttpStatus.BAD_GATEWAY,
+            message: 'Failed to reset MFA for one or more users.',
+            successfulUsers: response.successfulUsers,
+            failedUsers: response.failedUsers,
+          },
+          HttpStatus.BAD_GATEWAY,
+        );
+      }
+
       this.logger.info('resetUsers - Success', { response });
       return response;
     } catch (error) {