first commit

tests/unit/payment_logger.helper.test.js

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+const mockOrderFindByPk = jest.fn();
+const mockOrderFindOne = jest.fn();
+const mockPaymentCreate = jest.fn();
+
+jest.mock('../../models/migration', () => ({
+    Order: { findByPk: mockOrderFindByPk, findOne: mockOrderFindOne },
+    Payment: { create: mockPaymentCreate }
+}));
+
+const paymentLogger = require('../../app/helpers/payment_logger.helper');
+
+describe('PaymentLoggerHelper', () => {
+    beforeEach(() => {
+        jest.clearAllMocks();
+    });
+
+    it('should log a payment successfully', async () => {
+        const midtransResponse = {
+            order_id: 'INV-EXT-001',
+            gross_amount: '10000.00',
+            transaction_status: 'settlement',
+            payment_type: 'credit_card',
+            status_message: 'Success'
+        };
+        const requestPayload = { order_id: 'u-123' };
+
+        mockOrderFindByPk.mockResolvedValue({ id: 'u-123', total: 10000, user_id: 1 });
+        mockPaymentCreate.mockResolvedValue({ id: 'p-123' });
+
+        const result = await paymentLogger.log(midtransResponse, requestPayload);
+
+        expect(mockOrderFindByPk).toHaveBeenCalledWith('u-123');
+        expect(mockPaymentCreate).toHaveBeenCalledWith(expect.objectContaining({
+            status: 'SUCCESS',
+            channel_code: 'credit_card',
+            channel_type: 'CREDIT_CARD'
+        }));
+        expect(result.id).toBe('p-123');
+    });
+
+    it('should map bank transfer types correctly', async () => {
+        const midtransResponse = { order_id: 'INV-EXT', payment_type: 'bank_transfer', transaction_status: 'pending' };
+        mockOrderFindOne.mockResolvedValue({ id: 'u-123', total: 10000 });
+
+        await paymentLogger.log(midtransResponse);
+
+        expect(mockPaymentCreate).toHaveBeenCalledWith(expect.objectContaining({
+            channel_type: 'BANK'
+        }));
+    });
+
+    it('should return null if order not found', async () => {
+        mockOrderFindByPk.mockResolvedValue(null);
+        mockOrderFindOne.mockResolvedValue(null);
+
+        const consoleSpy = jest.spyOn(console, 'warn').mockImplementation();
+        const result = await paymentLogger.log({ order_id: 'none' });
+
+        expect(result).toBeNull();
+        expect(consoleSpy).toHaveBeenCalled();
+        consoleSpy.mockRestore();
+    });
+});