first commit

tests/unit/snap.service.test.js

@@ -0,0 +1,28 @@
+const mockCreateTransaction = jest.fn();
+jest.mock('../../app/core/midtrans.service', () => ({
+    getCoreApi: jest.fn(),
+    getSnap: jest.fn().mockReturnValue({
+        createTransaction: mockCreateTransaction
+    })
+}));
+
+jest.mock('../../models/migration', () => ({
+    Order: { findByPk: jest.fn(), findOne: jest.fn(), update: jest.fn() },
+    Payment: { findOne: jest.fn(), create: jest.fn(), update: jest.fn() }
+}));
+
+const snapService = require('../../app/modules/snap/services/snap.service');
+
+describe('SnapService', () => {
+    beforeEach(() => {
+        jest.clearAllMocks();
+    });
+
+    it('should create a snap transaction successfully', async () => {
+        const payload = { order_id: 'u-snap', external_id: 'INV-S-001', amount: 100000 };
+        mockCreateTransaction.mockResolvedValue({ token: 't-123', redirect_url: 'http://m.com' });
+        const result = await snapService.createTransaction(payload);
+        expect(mockCreateTransaction).toHaveBeenCalled();
+        expect(result.token).toBe('t-123');
+    });
+});