From 128a290eba051f1fc0598fe39899cddff2fc8a06 Mon Sep 17 00:00:00 2001
From: iamshabell <91321698+iamshabell@users.noreply.github.com>
Date: Tue, 19 Dec 2023 22:37:20 +0300
Subject: [PATCH] Add unit tests for WaafiHandler

---
 .../marupay/src/handlers/waafi/waafi.spec.ts  | 92 +++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 packages/marupay/src/handlers/waafi/waafi.spec.ts

diff --git a/packages/marupay/src/handlers/waafi/waafi.spec.ts b/packages/marupay/src/handlers/waafi/waafi.spec.ts
new file mode 100644
index 0000000..b70fd68
--- /dev/null
+++ b/packages/marupay/src/handlers/waafi/waafi.spec.ts
@@ -0,0 +1,92 @@
+import axios from 'axios';
+import { WaafiHandler, createWaafiHandler } from './waafi'; // Import your WaafiHandler
+import { Currency } from '../../handlers/enums';
+import { VendorErrorException } from '../../handlers/exeptions';
+
+jest.mock('axios');
+
+const mockedAxios = axios as jest.Mocked<typeof axios>;
+
+describe('Waafi Handler', () => {
+    let handler: WaafiHandler;
+    let options: any;
+
+    beforeAll(() => {
+        handler = createWaafiHandler({
+            apiKey: 'yourApiKey',
+            secretKey: 'yourSecretKey',
+            merchantId: 'yourMerchantId',
+        });
+        options = {
+            accountNumber: '+252611234569',
+            amount: 500,
+            currency: Currency.SLSH,
+            description: 'Test purchase',
+        };
+    });
+
+    it('returns the success payment response for purchase', async () => {
+        const serverResponse = {
+            responseCode: '2001',
+            responseMsg: 'RCS_SUCCESS',
+            params: {
+                transactionId: '123456',
+                state: 'APPROVED',
+                referenceId: '987654',
+            },
+        };
+
+        mockedAxios.post.mockResolvedValueOnce({ data: serverResponse });
+
+        const result = await handler.purchase(options);
+
+        expect(result.paymentStatus).toBe('APPROVED');
+    });
+
+    it('throws vendor errors for purchase accordingly', async () => {
+        const serverResponse = {
+            responseMsg: 'RCS_USER_REJECTED',
+            errorCode: '5310',
+            params: null,
+        };
+
+        mockedAxios.post.mockResolvedValueOnce({ data: serverResponse });
+
+        await expect(handler.purchase(options)).rejects.toThrow(
+            new VendorErrorException('5310', 'RCS_USER_REJECTED')
+        );
+    });
+
+    it('returns the success payment response for credit', async () => {
+        const serverResponse = {
+            responseCode: '2001',
+            responseMsg: 'RCS_SUCCESS',
+            params: {
+                transactionId: '5678',
+                state: 'APPROVED',
+                referenceId: '987654',
+            },
+        };
+
+        mockedAxios.post.mockResolvedValueOnce({ data: serverResponse });
+
+        const result = await handler.credit(options);
+
+        expect(result.paymentStatus).toBe('APPROVED');
+    });
+
+    it('throws vendor errors for credit when account not found', async () => {
+        const serverResponse = {
+            responseCode: '5001',
+            responseMsg: 'RCS_NO_ROUTE_FOUND',
+            errorCode: 'E10105',
+            params: null,
+        };
+
+        mockedAxios.post.mockResolvedValueOnce({ data: serverResponse });
+
+        await expect(handler.credit(options)).rejects.toThrow(
+            new VendorErrorException('5001', 'RCS_NO_ROUTE_FOUND')
+        );
+    });
+});