update

liujie

2026-09-14 82a8bc62d5b9d5d607f6952329952b17eda2f0a0

 backend/src/test/java/com/tourguide/modules/finance/service/GuideWithdrawableBalanceServiceTest.java

@@ -33,6 +33,13 @@
    }

    @Test
    void shouldExposeRefundDebtAsNegativeAvailableBalance() {
        when(guideUserMapper.selectBalance(8L)).thenReturn(new BigDecimal("-90.00"));

        assertThat(service.getAvailableAmount(8L)).isEqualByComparingTo("-90.00");
    }

    @Test
    void shouldAtomicallyDebitStoredBalance() {
        when(guideUserMapper.decreaseBalance(8L, new BigDecimal("80.00"))).thenReturn(1);