Files
hfb_sys/backend/internal/jobs/refundretry/job_test.go
T
yml ae4297fec7 仲裁退款失败补偿: refundretry 自动补建仲裁孤儿退款单
问题: dispute/arbitration.go 事务提交后 startRefundBestEffort 失败只 log.Printf 吞错, 号主收入已入账但租客退款单未建, 订单卡在 refund_status=pending 的孤儿状态。原 refundretry 的 warnMissingRefundOrders 只告警不补建, 导致资金口径不平需人工兜底。

修复: 升级 warnMissingRefundOrders, 对 settlement_status="arbitrated" 的孤儿订单自动调 StartRefund 补建 (biz_type 固定 arbitration_refund, 金额用 order.RefundAmountCent)。

幂等保证: 复用 StartRefund 内部 prepareRefundOrder 的 (order_id, biz_type) 查重作为天然幂等闸, 重复触发走 existing 分支只同步状态不重复建单。渠道失败 → markRefundFailed 留记录 + 订单 refund_status=failed → 下一轮不再视为孤儿。

范围限定: 仅仲裁孤儿自动补建 (biz_type 无歧义)。非仲裁孤儿 (取消/客服关闭/结账) biz_type 无法从订单状态可靠区分, 维持只告警。

新增测试:
- TestAutoRebuildArbitrationOrphan: 仲裁孤儿补建成功
- TestNoRebuildForNonArbitrationOrphan: 非仲裁孤儿不补建
- TestRebuildArbitrationOrphanIdempotent: 连续扫描幂等

防御: payments==nil 时跳过补建并告警, 避免单测/未来构造 Job 时 panic。

go build / vet / test 通过。
2026-06-14 16:17:19 +08:00

258 lines
8.4 KiB
Go

package refundretry
import (
"testing"
"time"
"hfb_sys/backend/internal/model"
"hfb_sys/backend/internal/modules/payment"
"go.uber.org/zap"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
"gorm.io/gorm/logger"
)
func setupRefundRetryTestDB(t *testing.T) *gorm.DB {
t.Helper()
db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{
Logger: logger.Default.LogMode(logger.Silent),
})
if err != nil {
t.Fatalf("创建测试数据库失败: %v", err)
}
if err := db.AutoMigrate(&model.PaymentOrder{}, &model.RentalOrder{}); err != nil {
t.Fatalf("数据库迁移失败: %v", err)
}
return db
}
func TestRetryBackoffCapsAtOneHour(t *testing.T) {
cases := []struct {
retryCount int
want time.Duration
}{
{retryCount: 1, want: 5 * time.Minute},
{retryCount: 2, want: 10 * time.Minute},
{retryCount: 3, want: 20 * time.Minute},
{retryCount: 4, want: 40 * time.Minute},
{retryCount: 5, want: time.Hour},
{retryCount: 10, want: time.Hour},
}
for _, tc := range cases {
if got := retryBackoff(tc.retryCount); got != tc.want {
t.Fatalf("retryBackoff(%d) = %s, want %s", tc.retryCount, got, tc.want)
}
}
}
func TestMarkRetryFailedStopsAtMaxCount(t *testing.T) {
db := setupRefundRetryTestDB(t)
job := New(db, nil, zap.NewNop(), nil)
now := time.Date(2026, 6, 14, 12, 0, 0, 0, time.UTC)
row := model.PaymentOrder{
PaymentNo: "PAY202606140101",
OrderID: 1,
OrderNo: "ORD202606140101",
UserID: 2,
Provider: "mock",
ThirdOrderID: "REF202606140101",
BizType: "admin_refund",
Status: "failed",
RetryCount: maxRetryCount - 1,
}
if err := db.Create(&row).Error; err != nil {
t.Fatalf("创建退款单失败: %v", err)
}
if err := job.markRetryFailed(t.Context(), row, now); err != nil {
t.Fatalf("markRetryFailed() error = %v", err)
}
var latest model.PaymentOrder
if err := db.First(&latest, row.ID).Error; err != nil {
t.Fatalf("查询退款单失败: %v", err)
}
if latest.RetryCount != maxRetryCount {
t.Fatalf("RetryCount = %d, want %d", latest.RetryCount, maxRetryCount)
}
if latest.LastRetryAt == nil || !latest.LastRetryAt.Equal(now) {
t.Fatalf("LastRetryAt = %v, want %v", latest.LastRetryAt, now)
}
if latest.NextRetryAt != nil {
t.Fatalf("NextRetryAt = %v, want nil after max retry", latest.NextRetryAt)
}
}
func TestResetRetryClearsRetryFields(t *testing.T) {
db := setupRefundRetryTestDB(t)
job := New(db, nil, zap.NewNop(), nil)
now := time.Date(2026, 6, 14, 12, 0, 0, 0, time.UTC)
next := now.Add(time.Hour)
row := model.PaymentOrder{
PaymentNo: "PAY202606140102",
OrderID: 1,
OrderNo: "ORD202606140102",
UserID: 2,
Provider: "mock",
ThirdOrderID: "REF202606140102",
BizType: "admin_refund",
Status: "refunded",
RetryCount: 3,
LastRetryAt: &now,
NextRetryAt: &next,
}
if err := db.Create(&row).Error; err != nil {
t.Fatalf("创建退款单失败: %v", err)
}
if err := job.resetRetry(t.Context(), row.ID); err != nil {
t.Fatalf("resetRetry() error = %v", err)
}
var latest model.PaymentOrder
if err := db.First(&latest, row.ID).Error; err != nil {
t.Fatalf("查询退款单失败: %v", err)
}
if latest.RetryCount != 0 || latest.LastRetryAt != nil || latest.NextRetryAt != nil {
t.Fatalf("retry fields = count:%d last:%v next:%v, want zero/nil", latest.RetryCount, latest.LastRetryAt, latest.NextRetryAt)
}
}
// createArbitrationOrphanFixture 构造一个仲裁孤儿订单:已支付原单 + 仲裁已结案但退款单缺失。
func createArbitrationOrphanFixture(t *testing.T, db *gorm.DB, suffix string, settlementStatus string) model.RentalOrder {
t.Helper()
order := model.RentalOrder{
OrderNo: "ORD" + suffix,
ListingID: 1,
AccountID: 1,
OwnerID: 1,
RenterID: 2,
RentAmountCent: 1000,
DepositAmountCent: 500,
Status: "closed",
HandoffStatus: "arbitrated",
SettlementStatus: settlementStatus,
RefundStatus: "pending",
RefundAmountCent: 800,
UpdatedAt: time.Now().Add(-20 * time.Minute), // 超过 10min 静默窗口
}
if err := db.Create(&order).Error; err != nil {
t.Fatalf("create order failed: %v", err)
}
originalPayment := model.PaymentOrder{
PaymentNo: "PAY" + suffix,
OrderID: order.ID,
OrderNo: order.OrderNo,
UserID: 2,
Provider: "mock",
ThirdOrderID: "TPAY" + suffix,
AmountCent: 1500,
BizType: "order_pay",
Status: "paid",
}
if err := db.Create(&originalPayment).Error; err != nil {
t.Fatalf("create original payment failed: %v", err)
}
return order
}
// TestAutoRebuildArbitrationOrphan 验证仲裁孤儿订单被自动补建退款单。
func TestAutoRebuildArbitrationOrphan(t *testing.T) {
db := setupRefundRetryTestDB(t)
repo := payment.NewRepository(db, nil, nil)
job := New(db, nil, zap.NewNop(), repo)
order := createArbitrationOrphanFixture(t, db, "ARB001", "arbitrated")
now := time.Now()
missing, rebuilt, err := job.warnMissingRefundOrders(t.Context(), now)
if err != nil {
t.Fatalf("warnMissingRefundOrders() error = %v", err)
}
if missing != 1 {
t.Fatalf("missing = %d, want 1", missing)
}
if rebuilt != 1 {
t.Fatalf("rebuilt = %d, want 1", rebuilt)
}
// 断言:payment_orders 新增一条 arbitration_refund 退款单
var refunds []model.PaymentOrder
if err := db.Where("order_id = ? AND biz_type = ?", order.ID, "arbitration_refund").Find(&refunds).Error; err != nil {
t.Fatalf("query refund failed: %v", err)
}
if len(refunds) != 1 {
t.Fatalf("arbitration_refund records = %d, want 1", len(refunds))
}
if refunds[0].AmountCent != 800 {
t.Fatalf("refund amount = %d, want 800", refunds[0].AmountCent)
}
}
// TestNoRebuildForNonArbitrationOrphan 验证非仲裁孤儿(settlement_status 非 arbitrated)不补建,仅告警。
func TestNoRebuildForNonArbitrationOrphan(t *testing.T) {
db := setupRefundRetryTestDB(t)
repo := payment.NewRepository(db, nil, nil)
job := New(db, nil, zap.NewNop(), repo)
order := createArbitrationOrphanFixture(t, db, "ARB002", "settled") // 非仲裁结算
now := time.Now()
missing, rebuilt, err := job.warnMissingRefundOrders(t.Context(), now)
if err != nil {
t.Fatalf("warnMissingRefundOrders() error = %v", err)
}
if missing != 1 {
t.Fatalf("missing = %d, want 1", missing)
}
if rebuilt != 0 {
t.Fatalf("rebuilt = %d, want 0 (non-arbitration orphan should not rebuild)", rebuilt)
}
var refunds []model.PaymentOrder
if err := db.Where("order_id = ? AND biz_type = ?", order.ID, "arbitration_refund").Find(&refunds).Error; err != nil {
t.Fatalf("query refund failed: %v", err)
}
if len(refunds) != 0 {
t.Fatalf("arbitration_refund records = %d, want 0 (no rebuild)", len(refunds))
}
}
// TestRebuildArbitrationOrphanIdempotent 验证连续两次扫描的幂等性。
// mock 模式下首次补建直接置 refunded,订单 refund_status 变更后第二次扫描不再命中,
// 退款单始终只有一条。真实非 mock 场景同理:首次补建留下 payment 记录,
// 第二次扫描 count>0 直接跳过,不会重复建单。
func TestRebuildArbitrationOrphanIdempotent(t *testing.T) {
db := setupRefundRetryTestDB(t)
repo := payment.NewRepository(db, nil, nil)
job := New(db, nil, zap.NewNop(), repo)
order := createArbitrationOrphanFixture(t, db, "ARB003", "arbitrated")
now := time.Now()
// 第一次:补建成功
if _, rebuilt, err := job.warnMissingRefundOrders(t.Context(), now); err != nil || rebuilt != 1 {
t.Fatalf("first run: rebuilt=%d err=%v, want rebuilt=1", rebuilt, err)
}
// 第二次:mock 模式下第一次补建已置 refunded,订单 refund_status 变更,
// warnMissingRefundOrders 的扫描条件(refund_status IN pending/refunding)不再命中 → missing=0
missing, rebuilt, err := job.warnMissingRefundOrders(t.Context(), now)
if err != nil {
t.Fatalf("second run error = %v", err)
}
if missing != 0 {
t.Fatalf("second run missing = %d, want 0 (order no longer orphan after rebuild)", missing)
}
if rebuilt != 0 {
t.Fatalf("second run rebuilt = %d, want 0", rebuilt)
}
// 断言:退款单仍只有一条 arbitration_refund
var count int64
if err := db.Model(&model.PaymentOrder{}).Where("order_id = ? AND biz_type = ?", order.ID, "arbitration_refund").Count(&count).Error; err != nil {
t.Fatalf("count refund failed: %v", err)
}
if count != 1 {
t.Fatalf("arbitration_refund count = %d, want 1 (idempotent)", count)
}
}