test: unit test for useCFDAssets (deriv-com#14285)

packages/tradershub/src/hooks/__tests__/useCFDAssets.spec.ts

@@ -0,0 +1,102 @@
+import { useCFDAccountsList } from '@deriv/api-v2';
+import { renderHook } from '@testing-library/react-hooks';
+import useCFDAssets from '../useCFDAssets';
+
+jest.mock('@deriv/api-v2', () => ({
+    useCFDAccountsList: jest.fn(),
+}));
+
+describe('useCFDAssets', () => {
+    it('should calculate sample balances correctly', () => {
+        (useCFDAccountsList as jest.Mock).mockReturnValue({
+            data: {
+                mt5: [
+                    { is_virtual: true, converted_balance: 100, landing_company_short: 'maltainvest' },
+                    { is_virtual: false, converted_balance: 200, landing_company_short: 'maltainvest' },
+                ],
+                dxtrade: [
+                    { is_virtual: true, converted_balance: 300 },
+                    { is_virtual: false, converted_balance: 400 },
+                ],
+                ctrader: [
+                    { is_virtual: true, converted_balance: 500 },
+                    { is_virtual: false, converted_balance: 600 },
+                ],
+            },
+            isSuccess: true,
+        });
+
+        const { result } = renderHook(() => useCFDAssets('EU'));
+
+        expect(result.current.calculatedDemoBalance).toBe(100);
+        expect(result.current.calculatedRealBalance).toBe(200);
+        expect(result.current.isSuccess).toBe(true);
+    });
+
+    it('should handle no accounts', () => {
+        (useCFDAccountsList as jest.Mock).mockReturnValue({
+            data: {
+                mt5: [],
+                dxtrade: [],
+                ctrader: [],
+            },
+            isSuccess: true,
+        });
+
+        const { result } = renderHook(() => useCFDAssets('EU'));
+
+        expect(result.current.calculatedDemoBalance).toBe(0);
+        expect(result.current.calculatedRealBalance).toBe(0);
+        expect(result.current.isSuccess).toBe(true);
+    });
+
+    it('should handle API failure', () => {
+        (useCFDAccountsList as jest.Mock).mockReturnValue({
+            data: null,
+            isSuccess: false,
+        });
+
+        const { result } = renderHook(() => useCFDAssets('EU'));
+
+        expect(result.current.calculatedDemoBalance).toBe(0);
+        expect(result.current.calculatedRealBalance).toBe(0);
+        expect(result.current.isSuccess).toBe(false);
+    });
+    it('should filter mt5 accounts correctly for EU regulation', () => {
+        (useCFDAccountsList as jest.Mock).mockReturnValue({
+            data: {
+                mt5: [
+                    { is_virtual: true, converted_balance: 100, landing_company_short: 'maltainvest' },
+                    { is_virtual: false, converted_balance: 200, landing_company_short: 'maltainvest' },
+                    { is_virtual: false, converted_balance: 300, landing_company_short: 'svg' },
+                ],
+                dxtrade: [],
+                ctrader: [],
+            },
+            isSuccess: true,
+        });
+
+        const { result } = renderHook(() => useCFDAssets('EU'));
+
+        expect(result.current.calculatedRealBalance).toBe(200);
+    });
+
+    it('should filter mt5 accounts correctly for non-EU regulation', () => {
+        (useCFDAccountsList as jest.Mock).mockReturnValue({
+            data: {
+                mt5: [
+                    { is_virtual: true, converted_balance: 100, landing_company_short: 'maltainvest' },
+                    { is_virtual: false, converted_balance: 200, landing_company_short: 'maltainvest' },
+                    { is_virtual: false, converted_balance: 300, landing_company_short: 'svg' },
+                ],
+                dxtrade: [],
+                ctrader: [],
+            },
+            isSuccess: true,
+        });
+
+        const { result } = renderHook(() => useCFDAssets('non-EU'));
+
+        expect(result.current.calculatedRealBalance).toBe(300);
+    });
+});