feat(v2): RefundStore(建单/求和/条件翻转/人工待办)+ Order 退款态机(PaidAttempt/ApplyRefundToOrder)

2026-07-10 16:49:15 +08:00
parent 00e032f577
commit 338e28d386
3 changed files with 221 additions and 0 deletions
@@ -0,0 +1,105 @@
+package store
+
+import (
+	"testing"
+	"time"
+
+	"github.com/wangjia/pay/internal/model"
+)
+
+func seedPaid(t *testing.T, os *OrderStore, outNo string, amount int64) {
+	t.Helper()
+	if err := os.CreateOrder(&model.OrderV2{
+		OutTradeNo: outNo, BizSystem: "pangolin", BizCode: "pro_year",
+		AmountMinor: amount, Currency: "CNY", Status: model.OrderPaidV2,
+	}); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.CreateAttempt(&model.Attempt{
+		OutTradeNo: outNo, Channel: "alipay", ProviderRef: outNo,
+		AmountMinor: amount, Currency: "CNY", Status: model.AttemptPaid,
+	}); err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestRefundStoreLifecycle(t *testing.T) {
+	db := model.OpenTestDB(t)
+	os := NewOrderStore(db)
+	rs := NewRefundStore(db)
+	seedPaid(t, os, "PAY-1", 19900)
+
+	// PaidAttempt 定位原交易
+	att, err := os.PaidAttempt("PAY-1")
+	if err != nil || att.Channel != "alipay" || att.ProviderRef != "PAY-1" {
+		t.Fatalf("PaidAttempt = %+v, %v", att, err)
+	}
+
+	// 建两笔部分退款(processing)
+	for _, id := range []string{"rf-1", "rf-2"} {
+		if err := rs.CreateRefund(&model.Refund{
+			RefundID: id, OutTradeNo: "PAY-1", AttemptProviderRef: "PAY-1",
+			AmountMinor: 5000, Currency: "CNY", Status: model.RefundProcessing, InitiatedBy: "business",
+		}); err != nil {
+			t.Fatal(err)
+		}
+	}
+	// 非失败之和 = 10000(占额度)
+	if sum, _ := rs.RefundSum("PAY-1", model.RefundRequested, model.RefundProcessing, model.RefundManualPending, model.RefundSucceeded); sum != 10000 {
+		t.Fatalf("reserved sum = %d want 10000", sum)
+	}
+
+	// rf-1 翻 succeeded(条件正确)
+	ok, err := rs.MarkRefundStatus("rf-1", model.RefundProcessing, model.RefundSucceeded, "ali-refund-1", time.Now())
+	if err != nil || !ok {
+		t.Fatalf("mark rf-1 = %v, %v", ok, err)
+	}
+	// 再翻一次(from 已不符)→ no-op
+	if ok, _ := rs.MarkRefundStatus("rf-1", model.RefundProcessing, model.RefundSucceeded, "x", time.Now()); ok {
+		t.Fatal("重复翻转应 no-op")
+	}
+	r1, _ := rs.GetRefund("rf-1")
+	if r1.Status != model.RefundSucceeded || r1.ProviderRefundRef != "ali-refund-1" || r1.CompletedAt == nil {
+		t.Fatalf("rf-1 = %+v", r1)
+	}
+
+	// 部分退:succeeded 之和 5000 < 19900 → partially_refunded
+	succ, _ := rs.RefundSum("PAY-1", model.RefundSucceeded)
+	if flipped, _ := os.ApplyRefundToOrder("PAY-1", succ >= 19900); !flipped {
+		t.Fatal("ApplyRefundToOrder 应翻转")
+	}
+	if o, _ := os.GetOrder("PAY-1"); o.Status != model.OrderPartRefundedV2 {
+		t.Fatalf("order status = %s want partially_refunded", o.Status)
+	}
+
+	// rf-2 也成功 → 总退 10000 仍 < 19900,保持 partially_refunded(非 fully)
+	_, _ = rs.MarkRefundStatus("rf-2", model.RefundProcessing, model.RefundSucceeded, "ali-refund-2", time.Now())
+	succ, _ = rs.RefundSum("PAY-1", model.RefundSucceeded)
+	_, _ = os.ApplyRefundToOrder("PAY-1", succ >= 19900)
+	if o, _ := os.GetOrder("PAY-1"); o.Status != model.OrderPartRefundedV2 {
+		t.Fatalf("order status = %s want partially_refunded", o.Status)
+	}
+}
+
+func TestApplyRefundToOrderFully(t *testing.T) {
+	db := model.OpenTestDB(t)
+	os := NewOrderStore(db)
+	seedPaid(t, os, "PAY-2", 10000)
+	if _, err := os.ApplyRefundToOrder("PAY-2", true); err != nil {
+		t.Fatal(err)
+	}
+	if o, _ := os.GetOrder("PAY-2"); o.Status != model.OrderRefundedV2 {
+		t.Fatalf("status = %s want refunded", o.Status)
+	}
+}
+
+func TestListManualPending(t *testing.T) {
+	db := model.OpenTestDB(t)
+	rs := NewRefundStore(db)
+	_ = rs.CreateRefund(&model.Refund{RefundID: "rf-m1", OutTradeNo: "C-1", AmountMinor: 1, Currency: "USDT", Status: model.RefundManualPending})
+	_ = rs.CreateRefund(&model.Refund{RefundID: "rf-p1", OutTradeNo: "C-2", AmountMinor: 1, Currency: "USDT", Status: model.RefundProcessing})
+	list, err := rs.ListManualPending(50)
+	if err != nil || len(list) != 1 || list[0].RefundID != "rf-m1" {
+		t.Fatalf("manual pending = %+v, %v", list, err)
+	}
+}