优化

finance/src/test/java/com/baiyue/finance/FinanceContractTest.java

@@ -18,6 +18,12 @@ class FinanceContractTest {
         assertTrue(sql.contains("CREATE TABLE IF NOT EXISTS fin_bill"));
         assertTrue(sql.contains("currency_code CHECK (currency_code = 'CNY')") || sql.contains("currency_code = 'CNY'"));
         assertTrue(sql.contains("fin_fee_source") && sql.contains("fin_inbox_event"));
+        assertTrue(sql.contains("fin_bill_revision"));
+        assertTrue(sql.contains("PROCESSING/SUCCEEDED/FAILED"));
+        String service = Files.readString(Path.of("src/main/java/com/baiyue/finance/service/FinanceService.java"));
+        assertTrue(service.contains("status='PROCESSING'") && service.contains("stableNo"));
+        assertTrue(service.contains("request_hash") && service.contains("result_resource_id") && service.contains("Idempotency-Key已用于其他请求"));
+        assertTrue(service.contains("status IN ('ISSUED','PARTIALLY_PAID','PAID')"));
         String unified = Files.readString(Path.of("../deploy/sql/头程数据库统一增量-MySQL8.sql"));
         assertTrue(unified.contains("CREATE DATABASE IF NOT EXISTS baiyue_finance"));
         assertTrue(unified.contains("assert_finance_permissions"));

finance/src/test/java/com/baiyue/finance/FinanceServiceValidationTest.java

@@ -9,12 +9,33 @@ import java.math.BigDecimal;
 import java.util.List;
 
 import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.*;
 
 class FinanceServiceValidationTest {
+    @Test
+    void containerCostAllocatesByVolumeAndPutsRoundingOnLastOrder() {
+        var rows = List.of(
+            new FinanceService.ContainerOrderVolume(11L, 101L, 7L, 9L, new BigDecimal("1.00")),
+            new FinanceService.ContainerOrderVolume(12L, 102L, 7L, 9L, new BigDecimal("2.00")),
+            new FinanceService.ContainerOrderVolume(13L, 103L, 7L, 9L, new BigDecimal("3.00")));
+        var allocations = FinanceService.allocateContainerCost(new BigDecimal("100.00"), rows);
+        assertEquals(new BigDecimal("16.666667"), allocations.get(0).amount());
+        assertEquals(new BigDecimal("33.333333"), allocations.get(1).amount());
+        assertEquals(new BigDecimal("50.000000"), allocations.get(2).amount());
+        assertEquals(new BigDecimal("100.000000"), allocations.stream().map(FinanceService.CostAllocation::amount)
+            .reduce(BigDecimal.ZERO, BigDecimal::add));
+        assertEquals(true, allocations.get(2).roundingAdjustment());
+    }
+
+    @Test
+    void rejectsEmptyContainerVolumeSnapshot() {
+        assertThrows(RuntimeException.class, () -> FinanceService.allocateContainerCost(BigDecimal.TEN, List.of()));
+    }
+
     @Test
     void rejectsUnsupportedCostTypeBeforeWrite() {
         JdbcTemplate jdbc = mock(JdbcTemplate.class);
@@ -32,4 +53,13 @@ class FinanceServiceValidationTest {
             List.of(new FinanceService.ReceiptAllocation(10L, BigDecimal.ZERO)));
         assertThrows(RuntimeException.class, () -> service.createReceipt(1L, 2L, request, "k2"));
     }
+
+    @Test
+    void rejectsDuplicateBillAllocationInsteadOfMerging() {
+        JdbcTemplate jdbc = mock(JdbcTemplate.class);
+        FinanceService service = new FinanceService(jdbc, new ObjectMapper());
+        var request = new FinanceService.ReceiptRequest("R-2", 1L, null, "BANK_TRANSFER", null, List.of("f"), null,
+            List.of(new FinanceService.ReceiptAllocation(10L, BigDecimal.ONE), new FinanceService.ReceiptAllocation(10L, BigDecimal.ONE)));
+        assertThrows(RuntimeException.class, () -> service.createReceipt(1L, 2L, request, "k3"));
+    }
 }