退款纠纷分配

2026-07-22 17:37:18 +08:00
parent 0ef6a481f5
commit c5f14ff8fd
2 changed files with 141 additions and 1 deletions
@@ -261,3 +261,78 @@ func TestBuildArbitrationHandoffContent(t *testing.T) {
 		}
 	}
 }
+
+// 复现线上单：预收 94.7（号主 66.7 + 平台 28），部分退 50 时，号主不应吃掉平台加价。
+func TestPartialRefundReservesPlatformFee(t *testing.T) {
+	order := model.RentalOrder{
+		ID:                  30,
+		OrderNo:             "RO-ARBIT-PARTIAL-001",
+		RenterID:            9233,
+		OwnerID:             7463,
+		RentAmountCent:      9470,
+		OwnerRentAmountCent: 6670,
+		DepositAmountCent:   0,
+	}
+
+	settlement, err := buildArbitrationSettlement(order, ArbitrateRequest{
+		Result:     "partial_refund",
+		AmountCent: 5000,
+		Remark:     "没打完 号主登录不上",
+	}, 0)
+	if err != nil {
+		t.Fatalf("buildArbitrationSettlement() error = %v", err)
+	}
+	if settlement.RenterRefundAmountCent != 5000 {
+		t.Fatalf("RenterRefundAmountCent = %d, want 5000", settlement.RenterRefundAmountCent)
+	}
+
+	// 未退租金 44.7：平台按比例预留 round(28 * 44.7/94.7)=13.22 → 号主 31.48
+	wantOwner := partialRefundOwnerIncomeCent(9470, 6670, 0, 5000)
+	if settlement.OwnerIncomeAmountCent != wantOwner {
+		t.Fatalf("OwnerIncomeAmountCent = %d, want %d", settlement.OwnerIncomeAmountCent, wantOwner)
+	}
+	if settlement.OwnerIncomeAmountCent >= 4470 {
+		t.Fatalf("号主收入 %d 不应吞掉整笔剩余 4470（含平台费）", settlement.OwnerIncomeAmountCent)
+	}
+	platformKeep := 9470 - settlement.RenterRefundAmountCent - settlement.OwnerIncomeAmountCent
+	if platformKeep <= 0 {
+		t.Fatalf("平台留存 = %d, 部分退款后应保留平台加价份额", platformKeep)
+	}
+}
+
+func TestPartialRefundFullRentRetainedGivesOwnerFullOwnerRent(t *testing.T) {
+	// 只退押金：号主拿满预收号主租金，平台留满预收平台费
+	order := model.RentalOrder{
+		RentAmountCent:      9470,
+		OwnerRentAmountCent: 6670,
+		DepositAmountCent:   20000,
+	}
+	settlement, err := buildArbitrationSettlement(order, ArbitrateRequest{
+		Result:     "partial_refund",
+		AmountCent: 20000,
+	}, 0)
+	if err != nil {
+		t.Fatalf("buildArbitrationSettlement() error = %v", err)
+	}
+	if settlement.OwnerIncomeAmountCent != 6670 {
+		t.Fatalf("OwnerIncomeAmountCent = %d, want 6670", settlement.OwnerIncomeAmountCent)
+	}
+	if settlement.RenterRefundAmountCent != 20000 {
+		t.Fatalf("RenterRefundAmountCent = %d, want 20000", settlement.RenterRefundAmountCent)
+	}
+	platformKeep := 9470 + 20000 - settlement.RenterRefundAmountCent - settlement.OwnerIncomeAmountCent
+	if platformKeep != 2800 {
+		t.Fatalf("platformKeep = %d, want 2800", platformKeep)
+	}
+}
+
+func TestPartialRefundOwnerIncomeCentUnit(t *testing.T) {
+	// 无平台费时，未退租金全部给号主
+	if got := partialRefundOwnerIncomeCent(10000, 10000, 0, 3000); got != 7000 {
+		t.Fatalf("no platform fee: got %d, want 7000", got)
+	}
+	// 全额退：号主 0
+	if got := partialRefundOwnerIncomeCent(9470, 6670, 0, 9470); got != 0 {
+		t.Fatalf("full refund: got %d, want 0", got)
+	}
+}