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test(finance): expand wallet credit boundary coverage

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ouyangxq
2026-09-05 16:43:33 +08:00
parent ede63fac24
commit 8400636df4
1 changed files with 75 additions and 0 deletions
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finance/src/test/java/com/baiyue/finance/FinanceWalletBehaviorTest.java
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@@ -116,6 +116,81 @@ class FinanceWalletBehaviorTest {
assertThat(recharged.availableBalance()).isEqualByComparingTo("55.00");
}
@Test
void deductionNeverConsumesCashReservedByAnActiveHold() {
FinanceWalletService service = service(mock(JdbcTemplate.class), "x", "y");
WalletAccount initial = service.accountState(new BigDecimal("100.00"), new BigDecimal("50.00"),
new BigDecimal("80.00"), BigDecimal.ZERO, new BigDecimal("20.00"), 4);
WalletAccount deducted = service.deductAccount(initial, new BigDecimal("80.00"));
assertThat(deducted.actualBalance()).isEqualByComparingTo("30.00");
assertThat(deducted.creditUsed()).isEqualByComparingTo("10.00");
assertThat(deducted.frozenBalance()).isEqualByComparingTo("50.00");
assertThat(deducted.creditFrozen()).isEqualByComparingTo("20.00");
assertThat(deducted.availableCredit()).isEqualByComparingTo("50.00");
assertThat(deducted.availableBalance()).isEqualByComparingTo("50.00");
}
@Test
void rechargeRepaysUsedCreditWithoutReleasingFrozenCredit() {
FinanceWalletService service = service(mock(JdbcTemplate.class), "x", "y");
WalletAccount initial = service.accountState(new BigDecimal("30.00"), new BigDecimal("25.00"),
new BigDecimal("100.00"), new BigDecimal("40.00"), new BigDecimal("20.00"), 5);
WalletAccount recharged = service.rechargeAccount(initial, new BigDecimal("50.00"));
assertThat(recharged.actualBalance()).isEqualByComparingTo("40.00");
assertThat(recharged.creditUsed()).isEqualByComparingTo("0.00");
assertThat(recharged.creditFrozen()).isEqualByComparingTo("20.00");
assertThat(recharged.frozenBalance()).isEqualByComparingTo("25.00");
assertThat(recharged.availableCredit()).isEqualByComparingTo("80.00");
assertThat(recharged.availableBalance()).isEqualByComparingTo("115.00");
}
@Test
void accountStateRejectsCreditUsedAndFrozenAboveTheLimit() {
FinanceWalletService service = service(mock(JdbcTemplate.class), "x", "y");
assertThatThrownBy(() -> service.accountState(new BigDecimal("10.00"), new BigDecimal("25.00"),
new BigDecimal("50.00"), new BigDecimal("31.00"), new BigDecimal("20.00"), 1))
.isInstanceOf(FinanceEventException.class)
.extracting(error -> ((FinanceEventException) error).code()).isEqualTo("FIN-WALLET-409");
}
@Test
void accountStateRejectsFrozenCashAboveActualCash() {
FinanceWalletService service = service(mock(JdbcTemplate.class), "x", "y");
assertThatThrownBy(() -> service.accountState(new BigDecimal("9.99"), new BigDecimal("10.00"),
new BigDecimal("20.00"), BigDecimal.ZERO, BigDecimal.ZERO, 1))
.isInstanceOf(FinanceEventException.class)
.extracting(error -> ((FinanceEventException) error).code()).isEqualTo("FIN-WALLET-409");
}
@Test
void accountStateRejectsCreditFrozenAboveTotalFrozenAmount() {
FinanceWalletService service = service(mock(JdbcTemplate.class), "x", "y");
assertThatThrownBy(() -> service.accountState(new BigDecimal("100.00"), new BigDecimal("10.00"),
new BigDecimal("50.00"), BigDecimal.ZERO, new BigDecimal("10.01"), 1))
.isInstanceOf(FinanceEventException.class)
.extracting(error -> ((FinanceEventException) error).code()).isEqualTo("FIN-WALLET-409");
}
@Test
void invalidDefaultCreditConfigurationFailsClosed() {
assertThatThrownBy(() -> service(mock(JdbcTemplate.class), "x", "y", new BigDecimal("-0.01")))
.isInstanceOf(FinanceEventException.class)
.extracting(error -> ((FinanceEventException) error).code()).isEqualTo("FIN-REQ-400");
assertThatThrownBy(() -> service(mock(JdbcTemplate.class), "x", "y", new BigDecimal("1.001")))
.isInstanceOf(FinanceEventException.class)
.extracting(error -> ((FinanceEventException) error).code()).isEqualTo("FIN-REQ-400");
assertThatThrownBy(() -> service(mock(JdbcTemplate.class), "x", "y", new BigDecimal("1000000000000.00")))
.isInstanceOf(FinanceEventException.class)
.extracting(error -> ((FinanceEventException) error).code()).isEqualTo("FIN-REQ-400");
}
private static FinanceWalletService service(JdbcTemplate jdbc, String wechat, String alipay) {
return service(jdbc, wechat, alipay, BigDecimal.ZERO);
}