From 51ec322d94e5c5f38a8a15936c00a7491507a7d0 Mon Sep 17 00:00:00 2001
From: Adityavanjre <66417028+Adityavanjre@users.noreply.github.com>
Date: Sun, 8 Mar 2026 08:29:48 +0530
Subject: [PATCH] Fix backend unit tests for updated service dependencies

---
 .../src/accounting/services/ledger.service.spec.ts        | 8 ++++++++
 nexus/backend/src/app.controller.spec.ts                  | 4 ++--
 .../backend/src/system/services/audit-collab-001.spec.ts  | 7 +++++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/nexus/backend/src/accounting/services/ledger.service.spec.ts b/nexus/backend/src/accounting/services/ledger.service.spec.ts
index f4b21eb7..408697f1 100644
--- a/nexus/backend/src/accounting/services/ledger.service.spec.ts
+++ b/nexus/backend/src/accounting/services/ledger.service.spec.ts
@@ -5,6 +5,7 @@ import { PrismaService } from '../../prisma/prisma.service';
 import { BadRequestException } from '@nestjs/common';
 import { Decimal } from '@prisma/client/runtime/library';
 import { TraceService } from '../../common/services/trace.service';
+import { BillingService } from '../../system/services/billing.service';
 
 describe('LedgerService (Financial Integrity)', () => {
   let service: LedgerService;
@@ -39,6 +40,13 @@ describe('LedgerService (Financial Integrity)', () => {
         LedgerService,
         { provide: PrismaService, useValue: mockPrisma },
         { provide: TraceService, useValue: mockTrace },
+        {
+          provide: BillingService,
+          useValue: {
+            getPlanByTenant: jest.fn().mockResolvedValue('Enterprise'),
+            checkQuota: jest.fn().mockResolvedValue(undefined),
+          },
+        },
         { provide: 'CACHE_MANAGER', useValue: { get: jest.fn(), set: jest.fn() } },
       ],
     }).compile();
diff --git a/nexus/backend/src/app.controller.spec.ts b/nexus/backend/src/app.controller.spec.ts
index 217a6e77..d065333e 100644
--- a/nexus/backend/src/app.controller.spec.ts
+++ b/nexus/backend/src/app.controller.spec.ts
@@ -15,8 +15,8 @@ describe('AppController', () => {
   });
 
   describe('root', () => {
-    it('should return "Hello World!"', () => {
-      expect(appController.getHello()).toBe('Nexus ERP Engine v2.0 is Online 🟢');
+    it('should return operational status message', () => {
+      expect(appController.getHello()).toBe('Nexus ERP API Gateway is Operational');
     });
   });
 });
diff --git a/nexus/backend/src/system/services/audit-collab-001.spec.ts b/nexus/backend/src/system/services/audit-collab-001.spec.ts
index 0b875aa0..5e117257 100644
--- a/nexus/backend/src/system/services/audit-collab-001.spec.ts
+++ b/nexus/backend/src/system/services/audit-collab-001.spec.ts
@@ -4,6 +4,7 @@ import { CollaborationService } from './collaboration.service';
 import { PrismaService } from '../../prisma/prisma.service';
 import { AuditService } from './audit.service';
 import { NotFoundException } from '@nestjs/common';
+import { CollaborationGateway } from '../gateways/collaboration.gateway';
 
 describe('CollaborationService: TEN-001 Audit', () => {
   let service: CollaborationService;
@@ -20,12 +21,18 @@ describe('CollaborationService: TEN-001 Audit', () => {
     log: jest.fn(),
   };
 
+  const mockGateway = {
+    broadcastCommentAdded: jest.fn(),
+    broadcastCommentDeleted: jest.fn(),
+  };
+
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
       providers: [
         CollaborationService,
         { provide: PrismaService, useValue: mockPrisma },
         { provide: AuditService, useValue: mockAudit },
+        { provide: CollaborationGateway, useValue: mockGateway },
       ],
     }).compile();