view models

apps/website/lib/services/payments/MembershipFeeService.test.ts

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+import { describe, it, expect, vi, Mocked } from 'vitest';
+import { MembershipFeeService, GetMembershipFeesOutputDto } from './MembershipFeeService';
+import { PaymentsApiClient } from '../../api/payments/PaymentsApiClient';
+import { MembershipFeeViewModel } from '../../view-models';
+import type { MembershipFeeDto } from '../../types/generated';
+
+describe('MembershipFeeService', () => {
+  let mockApiClient: Mocked<PaymentsApiClient>;
+  let service: MembershipFeeService;
+
+  beforeEach(() => {
+    mockApiClient = {
+      getMembershipFees: vi.fn(),
+    } as Mocked<PaymentsApiClient>;
+
+    service = new MembershipFeeService(mockApiClient);
+  });
+
+  describe('getMembershipFees', () => {
+    it('should call apiClient.getMembershipFees with correct leagueId and return mapped view models', async () => {
+      const leagueId = 'league-123';
+      const mockFees: MembershipFeeDto[] = [
+        { id: 'fee-1', leagueId: 'league-123' },
+        { id: 'fee-2', leagueId: 'league-123' },
+      ];
+      const mockOutput: GetMembershipFeesOutputDto = { fees: mockFees };
+      mockApiClient.getMembershipFees.mockResolvedValue(mockOutput);
+
+      const result = await service.getMembershipFees(leagueId);
+
+      expect(mockApiClient.getMembershipFees).toHaveBeenCalledWith(leagueId);
+      expect(result).toHaveLength(2);
+      expect(result[0]).toBeInstanceOf(MembershipFeeViewModel);
+      expect(result[0].id).toEqual('fee-1');
+      expect(result[0].leagueId).toEqual('league-123');
+      expect(result[1]).toBeInstanceOf(MembershipFeeViewModel);
+      expect(result[1].id).toEqual('fee-2');
+      expect(result[1].leagueId).toEqual('league-123');
+    });
+
+    it('should return empty array when no fees are returned', async () => {
+      const leagueId = 'league-456';
+      const mockOutput: GetMembershipFeesOutputDto = { fees: [] };
+      mockApiClient.getMembershipFees.mockResolvedValue(mockOutput);
+
+      const result = await service.getMembershipFees(leagueId);
+
+      expect(mockApiClient.getMembershipFees).toHaveBeenCalledWith(leagueId);
+      expect(result).toEqual([]);
+    });
+  });
+});