view data tests

apps/website/lib/builders/view-data/LeagueWalletViewDataBuilder.test.ts

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+import { describe, it, expect } from 'vitest';
+import { LeagueWalletViewDataBuilder } from './LeagueWalletViewDataBuilder';
+import type { LeagueWalletApiDto } from '@/lib/types/tbd/LeagueWalletApiDto';
+
+describe('LeagueWalletViewDataBuilder', () => {
+  describe('happy paths', () => {
+    it('should transform LeagueWalletApiDto to LeagueWalletViewData correctly', () => {
+      const leagueWalletApiDto: LeagueWalletApiDto = {
+        leagueId: 'league-123',
+        balance: 5000,
+        currency: 'USD',
+        transactions: [
+          {
+            id: 'txn-1',
+            amount: 1000,
+            status: 'completed',
+            createdAt: '2024-01-01T10:00:00Z',
+            description: 'Sponsorship payment',
+          },
+        ],
+      };
+
+      const result = LeagueWalletViewDataBuilder.build(leagueWalletApiDto);
+
+      expect(result).toEqual({
+        leagueId: 'league-123',
+        balance: 5000,
+        formattedBalance: expect.any(String),
+        totalRevenue: 5000,
+        formattedTotalRevenue: expect.any(String),
+        totalFees: 0,
+        formattedTotalFees: expect.any(String),
+        pendingPayouts: 0,
+        formattedPendingPayouts: expect.any(String),
+        currency: 'USD',
+        transactions: [
+          {
+            id: 'txn-1',
+            amount: 1000,
+            status: 'completed',
+            createdAt: '2024-01-01T10:00:00Z',
+            description: 'Sponsorship payment',
+            formattedAmount: expect.any(String),
+            amountColor: 'green',
+            formattedDate: expect.any(String),
+            statusColor: 'green',
+            typeColor: 'blue',
+          },
+        ],
+      });
+    });
+
+    it('should handle empty transactions', () => {
+      const leagueWalletApiDto: LeagueWalletApiDto = {
+        leagueId: 'league-456',
+        balance: 0,
+        currency: 'USD',
+        transactions: [],
+      };
+
+      const result = LeagueWalletViewDataBuilder.build(leagueWalletApiDto);
+
+      expect(result.transactions).toHaveLength(0);
+      expect(result.balance).toBe(0);
+    });
+
+    it('should handle multiple transactions', () => {
+      const leagueWalletApiDto: LeagueWalletApiDto = {
+        leagueId: 'league-789',
+        balance: 10000,
+        currency: 'USD',
+        transactions: [
+          {
+            id: 'txn-1',
+            amount: 5000,
+            status: 'completed',
+            createdAt: '2024-01-01T10:00:00Z',
+            description: 'Sponsorship payment',
+          },
+          {
+            id: 'txn-2',
+            amount: -1000,
+            status: 'completed',
+            createdAt: '2024-01-02T10:00:00Z',
+            description: 'Payout',
+          },
+        ],
+      };
+
+      const result = LeagueWalletViewDataBuilder.build(leagueWalletApiDto);
+
+      expect(result.transactions).toHaveLength(2);
+    });
+  });
+
+  describe('data transformation', () => {
+    it('should preserve all DTO fields in the output', () => {
+      const leagueWalletApiDto: LeagueWalletApiDto = {
+        leagueId: 'league-101',
+        balance: 7500,
+        currency: 'EUR',
+        transactions: [
+          {
+            id: 'txn-1',
+            amount: 2500,
+            status: 'completed',
+            createdAt: '2024-01-01T10:00:00Z',
+            description: 'Test transaction',
+          },
+        ],
+      };
+
+      const result = LeagueWalletViewDataBuilder.build(leagueWalletApiDto);
+
+      expect(result.leagueId).toBe(leagueWalletApiDto.leagueId);
+      expect(result.balance).toBe(leagueWalletApiDto.balance);
+      expect(result.currency).toBe(leagueWalletApiDto.currency);
+    });
+
+    it('should not modify the input DTO', () => {
+      const leagueWalletApiDto: LeagueWalletApiDto = {
+        leagueId: 'league-102',
+        balance: 5000,
+        currency: 'USD',
+        transactions: [],
+      };
+
+      const originalDto = { ...leagueWalletApiDto };
+      LeagueWalletViewDataBuilder.build(leagueWalletApiDto);
+
+      expect(leagueWalletApiDto).toEqual(originalDto);
+    });
+  });
+
+  describe('edge cases', () => {
+    it('should handle negative balance', () => {
+      const leagueWalletApiDto: LeagueWalletApiDto = {
+        leagueId: 'league-103',
+        balance: -500,
+        currency: 'USD',
+        transactions: [
+          {
+            id: 'txn-1',
+            amount: -500,
+            status: 'completed',
+            createdAt: '2024-01-01T10:00:00Z',
+            description: 'Overdraft',
+          },
+        ],
+      };
+
+      const result = LeagueWalletViewDataBuilder.build(leagueWalletApiDto);
+
+      expect(result.balance).toBe(-500);
+      expect(result.transactions[0].amountColor).toBe('red');
+    });
+
+    it('should handle pending transactions', () => {
+      const leagueWalletApiDto: LeagueWalletApiDto = {
+        leagueId: 'league-104',
+        balance: 1000,
+        currency: 'USD',
+        transactions: [
+          {
+            id: 'txn-1',
+            amount: 500,
+            status: 'pending',
+            createdAt: '2024-01-01T10:00:00Z',
+            description: 'Pending payment',
+          },
+        ],
+      };
+
+      const result = LeagueWalletViewDataBuilder.build(leagueWalletApiDto);
+
+      expect(result.transactions[0].statusColor).toBe('yellow');
+    });
+
+    it('should handle failed transactions', () => {
+      const leagueWalletApiDto: LeagueWalletApiDto = {
+        leagueId: 'league-105',
+        balance: 1000,
+        currency: 'USD',
+        transactions: [
+          {
+            id: 'txn-1',
+            amount: 500,
+            status: 'failed',
+            createdAt: '2024-01-01T10:00:00Z',
+            description: 'Failed payment',
+          },
+        ],
+      };
+
+      const result = LeagueWalletViewDataBuilder.build(leagueWalletApiDto);
+
+      expect(result.transactions[0].statusColor).toBe('red');
+    });
+
+    it('should handle different currencies', () => {
+      const leagueWalletApiDto: LeagueWalletApiDto = {
+        leagueId: 'league-106',
+        balance: 1000,
+        currency: 'EUR',
+        transactions: [],
+      };
+
+      const result = LeagueWalletViewDataBuilder.build(leagueWalletApiDto);
+
+      expect(result.currency).toBe('EUR');
+    });
+  });
+});