重构

apps/api/src/domains/ledger/funds-posting.service.spec.ts

@@ -0,0 +1,78 @@
+import { Decimal } from '@prisma/client/runtime/library';
+import { FundsPostingService } from './funds-posting.service';
+
+describe('FundsPostingService', () => {
+  const wallet = {
+    deposit: jest.fn(),
+    freezeForBet: jest.fn(),
+    settleBet: jest.fn(),
+    applyResettleDelta: jest.fn(),
+  };
+  let service: FundsPostingService;
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    service = new FundsPostingService(wallet as never);
+  });
+
+  it('freezes bet funds with a stable business key', async () => {
+    await service.freezeBet({
+      userId: 1n,
+      stake: new Decimal(50),
+      betNo: 'BET-001',
+      tx: {} as never,
+    });
+
+    expect(wallet.freezeForBet).toHaveBeenCalledWith(
+      1n,
+      expect.any(Decimal),
+      'BET-001',
+      expect.anything(),
+      'bet:BET-001:freeze',
+    );
+  });
+
+  it('settles bets with batch and bet identity in the business key', async () => {
+    await service.settleBet({
+      userId: 2n,
+      stake: new Decimal(100),
+      payout: new Decimal(180),
+      betNo: 'BET-002',
+      batchNo: 'SETTLE-001',
+      result: 'WIN',
+      tx: {} as never,
+    });
+
+    expect(wallet.settleBet).toHaveBeenCalledWith(
+      2n,
+      expect.any(Decimal),
+      expect.any(Decimal),
+      'BET-002',
+      'WIN',
+      expect.anything(),
+      'settle:SETTLE-001:BET-002',
+    );
+  });
+
+  it('passes caller-provided business keys for transfer postings', async () => {
+    await service.deposit({
+      userId: 3n,
+      amount: 25,
+      operatorId: 9n,
+      referenceId: 'REQ-1',
+      transactionType: 'ADMIN_DEPOSIT',
+      businessKey: 'admin-deposit:9:REQ-1',
+    });
+
+    expect(wallet.deposit).toHaveBeenCalledWith(
+      3n,
+      25,
+      9n,
+      undefined,
+      'REQ-1',
+      'ADMIN_DEPOSIT',
+      undefined,
+      'admin-deposit:9:REQ-1',
+    );
+  });
+});