feat(order): 重构退款全流程并新增申请退款中状态
- 订单状态新增「6 申请退款中」，用户申请退款原子流转并落待审核退款流水 - 退款失败回退订单至已支付并恢复被取消的权益发放任务 - 新增虚拟支付退款查单兜底任务，反查超时订单并自动订正 - 会员包来源额度不叠加，扣减/回退/回收口径统一为只取生效一份 - 退款回收流水按吊销前后有效剩余差值记账，避免无效回收记录 - 同步更新 README 与 Stitch 设计文档
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package service
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import (
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"context"
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"testing"
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"git.lzcwy.cn/zhengchiliu/zt-closet-backend/global"
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"git.lzcwy.cn/zhengchiliu/zt-closet-backend/internal/mysqlmodel"
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"github.com/DATA-DOG/go-sqlmock"
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"gorm.io/gorm"
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)
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// setupQuotaTest 固定免费额度配置为内置默认值（Cos 20 / AI 3 / 分享 10 / 衣柜 5），保证断言确定。
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func setupQuotaTest(t *testing.T) sqlmock.Sqlmock {
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t.Helper()
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old := global.UserDefaultQuotaSetting
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global.UserDefaultQuotaSetting = nil
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t.Cleanup(func() { global.UserDefaultQuotaSetting = old })
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return setupOrderQuotaTest(t)
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}
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func TestEffectiveQuotaMemberGrantsNotStacked(t *testing.T) {
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mock := setupQuotaTest(t)
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// Cos 永久额度：免费 20 已用 0；会员包同额两份只计一份，加量包/体验额度仍叠加。
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mock.ExpectQuery("SELECT .* FROM `user_quotas`").WillReturnRows(sqlmock.NewRows([]string{"used"}).AddRow(0))
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grants := []mysqlmodel.QuotaGrant{
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memberGrantFixture(1, 100, 10), // 月度包：生效份（同额时保留正在使用的一份）
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memberGrantFixture(2, 100, 0), // 年度包：不叠加，不计入
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otherGrantFixture(3, QuotaGrantSourceAddon, 5, 2), // 加量包：叠加
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otherGrantFixture(4, QuotaGrantSourceTrial, 7, 0), // 体验额度：叠加
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}
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eff := effectiveQuotaFromGrants(context.Background(), 7, QuotaTypeCos, grants)
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// 免费 20 + 会员包 100 + 加量包 5 + 体验 7 = 132；已用 0 + 10 + 2 + 0 = 12。
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if eff.Total != 132 || eff.Used != 12 || eff.Remain != 120 {
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t.Fatalf("cos quota = %+v, want total=132 used=12 remain=120", eff)
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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func TestEffectiveQuotaDailyGrantsNotStacked(t *testing.T) {
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mock := setupQuotaTest(t)
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// AI 每日额度：免费 3，当日已用 1，会员包同额两份只计一份，广告激励仍叠加。
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mock.ExpectQuery("SELECT .* FROM `user_daily_usages`").WillReturnRows(sqlmock.NewRows([]string{"ai_recommend_count"}).AddRow(1))
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grants := []mysqlmodel.QuotaGrant{
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memberGrantFixture(1, 50, 0),
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memberGrantFixture(2, 50, 0),
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otherGrantFixture(3, QuotaGrantSourceAdReward, 10, 0),
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}
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eff := effectiveQuotaFromGrants(context.Background(), 7, QuotaTypeAI, grants)
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// 免费 3 + 会员包 50 + 广告 10 = 63；当日已用 1。
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if eff.Total != 63 || eff.Used != 1 || eff.Remain != 62 {
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t.Fatalf("ai quota = %+v, want total=63 used=1 remain=62", eff)
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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func TestConsumeCosQuotaOnlyConsumesEffectiveMemberGrant(t *testing.T) {
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mock := setupQuotaTest(t)
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future := nowUnix() + 86400
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// 有效凭证：加量包（先到期先用）→ 月度包（生效份）→ 年度包（未生效，不得扣减）。
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mock.ExpectQuery("SELECT .* FROM `users`").WillReturnRows(sqlmock.NewRows([]string{"id", "vip_expire"}).AddRow(7, nowUnix()+86400))
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mock.ExpectBegin()
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mock.ExpectQuery("SELECT .* FROM `quota_grants`.*FOR UPDATE").
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WillReturnRows(sqlmock.NewRows([]string{"id", "source", "amount", "used", "expire_time"}).
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AddRow(3, QuotaGrantSourceAddon, 10, 0, future).
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AddRow(1, QuotaGrantSourceMember, 100, 30, 0).
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AddRow(2, QuotaGrantSourceMember, 100, 0, 0))
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mock.ExpectExec("UPDATE .*`quota_grants`.*").WillReturnResult(sqlmock.NewResult(0, 1)) // 加量包 +10
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mock.ExpectExec("UPDATE .*`quota_grants`.*").WillReturnResult(sqlmock.NewResult(0, 1)) // 月度包 +5（年度包不参与扣减）
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mock.ExpectQuery("SELECT .* FROM `user_quotas`").WillReturnRows(sqlmock.NewRows([]string{"used"}).AddRow(0))
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mock.ExpectQuery("SELECT .* FROM `quota_grants`").
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WillReturnRows(sqlmock.NewRows([]string{"id", "source", "amount", "used", "expire_time"}).
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AddRow(3, QuotaGrantSourceAddon, 10, 10, future).
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AddRow(1, QuotaGrantSourceMember, 100, 35, 0).
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AddRow(2, QuotaGrantSourceMember, 100, 0, 0))
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mock.ExpectExec("INSERT INTO `quota_flow_logs`").WillReturnResult(sqlmock.NewResult(9, 1))
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mock.ExpectCommit()
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if err := consumeCosQuota(context.Background(), 7, 15, 123, "上传衣物"); err != nil {
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t.Fatal(err)
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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func TestRefundCosQuotaOnlyRefundsEffectiveMemberGrant(t *testing.T) {
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mock := setupQuotaTest(t)
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mock.ExpectBegin()
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// 免费额度已用 5，不足整体回退 10。
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mock.ExpectExec("UPDATE .*`user_quotas`.*").WillReturnResult(sqlmock.NewResult(0, 0))
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// 非会员包凭证无已用。
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mock.ExpectQuery("SELECT .* FROM `quota_grants`.*FOR UPDATE").
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WillReturnRows(sqlmock.NewRows([]string{"id", "source", "amount", "used", "expire_time"}))
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// 会员包凭证：月度包为生效份（used=30），年度包未生效。
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mock.ExpectQuery("SELECT .* FROM `quota_grants`.*FOR UPDATE").
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WillReturnRows(sqlmock.NewRows([]string{"id", "quota_type", "source", "amount", "used", "expire_time"}).
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AddRow(1, QuotaTypeCos, QuotaGrantSourceMember, 100, 30, 0).
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AddRow(2, QuotaTypeCos, QuotaGrantSourceMember, 100, 0, 0))
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mock.ExpectExec("UPDATE .*`quota_grants`.*").WillReturnResult(sqlmock.NewResult(0, 1)) // 月度包 -10
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mock.ExpectQuery("SELECT .* FROM `user_quotas`").WillReturnRows(sqlmock.NewRows([]string{"used"}).AddRow(5))
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mock.ExpectQuery("SELECT .* FROM `quota_grants`").
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WillReturnRows(sqlmock.NewRows([]string{"id", "source", "amount", "used", "expire_time"}).
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AddRow(1, QuotaGrantSourceMember, 100, 20, 0).
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AddRow(2, QuotaGrantSourceMember, 100, 0, 0))
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mock.ExpectExec("INSERT INTO `quota_flow_logs`").WillReturnResult(sqlmock.NewResult(9, 1))
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mock.ExpectCommit()
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vipExpire := nowUnix() + 86400
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if err := global.MysqlEngine.WithContext(context.Background()).Transaction(func(tx *gorm.DB) error {
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return refundCosQuotaTx(context.Background(), tx, 7, vipExpire, 10, 123, "上传失败回退")
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}); err != nil {
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t.Fatal(err)
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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func TestBuildQuotaRevokeFlowsSkipsNonEffectiveMemberGrant(t *testing.T) {
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mock := setupQuotaTest(t)
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// 订单凭证是年度包（未生效），月度包（生效份）来自其他订单：
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// 吊销年度包不改变有效剩余，不应写回收流水。
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mock.ExpectQuery("SELECT .* FROM `quota_grants`").
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WillReturnRows(sqlmock.NewRows([]string{"id", "quota_type", "source", "amount", "used", "expire_time"}).
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AddRow(2, QuotaTypeCos, QuotaGrantSourceMember, 100, 0, 0))
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mock.ExpectQuery("SELECT .* FROM `users`").WillReturnRows(sqlmock.NewRows([]string{"id", "vip_expire"}).AddRow(7, nowUnix()+86400))
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mock.ExpectQuery("SELECT .* FROM `quota_grants`").
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WillReturnRows(sqlmock.NewRows([]string{"id", "quota_type", "source", "amount", "used", "expire_time"}).
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AddRow(1, QuotaTypeCos, QuotaGrantSourceMember, 100, 30, 0).
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AddRow(2, QuotaTypeCos, QuotaGrantSourceMember, 100, 0, 0))
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mock.ExpectQuery("SELECT .* FROM `user_quotas`").WillReturnRows(sqlmock.NewRows([]string{"used"}).AddRow(0))
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mock.ExpectQuery("SELECT .* FROM `users`").WillReturnRows(sqlmock.NewRows([]string{"id", "vip_expire"}).AddRow(7, nowUnix()+86400))
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mock.ExpectQuery("SELECT .* FROM `quota_grants`").
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WillReturnRows(sqlmock.NewRows([]string{"id", "quota_type", "source", "amount", "used", "expire_time"}).
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AddRow(1, QuotaTypeCos, QuotaGrantSourceMember, 100, 30, 0).
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AddRow(2, QuotaTypeCos, QuotaGrantSourceMember, 100, 0, 0))
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mock.ExpectQuery("SELECT .* FROM `user_quotas`").WillReturnRows(sqlmock.NewRows([]string{"used"}).AddRow(0))
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flows, err := NewOrderService().buildQuotaRevokeFlows(context.Background(), &mysqlmodel.Order{OrderNo: "O1", UserID: 7})
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if err != nil {
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t.Fatal(err)
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}
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if len(flows) != 0 {
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t.Fatalf("want no revoke flows, got %d", len(flows))
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}
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if err := mock.ExpectationsWereMet(); err != nil {
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t.Fatal(err)
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}
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}
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func TestBuildQuotaRevokeFlowsRecordsEffectiveGrantRevoke(t *testing.T) {
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mock := setupQuotaTest(t)
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// 订单凭证即生效份（月度包 100/30）：吊销前有效剩余 20+70=90，吊销后仅剩免费 20，
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// 回收流水变更量应为 -70。
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mock.ExpectQuery("SELECT .* FROM `quota_grants`").
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WillReturnRows(sqlmock.NewRows([]string{"id", "quota_type", "source", "amount", "used", "expire_time"}).
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AddRow(1, QuotaTypeCos, QuotaGrantSourceMember, 100, 30, 0))
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mock.ExpectQuery("SELECT .* FROM `users`").WillReturnRows(sqlmock.NewRows([]string{"id", "vip_expire"}).AddRow(7, nowUnix()+86400))
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mock.ExpectQuery("SELECT .* FROM `quota_grants`").
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WillReturnRows(sqlmock.NewRows([]string{"id", "quota_type", "source", "amount", "used", "expire_time"}).
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AddRow(1, QuotaTypeCos, QuotaGrantSourceMember, 100, 30, 0))
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mock.ExpectQuery("SELECT .* FROM `user_quotas`").WillReturnRows(sqlmock.NewRows([]string{"used"}).AddRow(0))
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mock.ExpectQuery("SELECT .* FROM `users`").WillReturnRows(sqlmock.NewRows([]string{"id", "vip_expire"}).AddRow(7, nowUnix()+86400))
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mock.ExpectQuery("SELECT .* FROM `quota_grants`").
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WillReturnRows(sqlmock.NewRows([]string{"id", "quota_type", "source", "amount", "used", "expire_time"}).
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AddRow(1, QuotaTypeCos, QuotaGrantSourceMember, 100, 30, 0))
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mock.ExpectQuery("SELECT .* FROM `user_quotas`").WillReturnRows(sqlmock.NewRows([]string{"used"}).AddRow(0))
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flows, err := NewOrderService().buildQuotaRevokeFlows(context.Background(), &mysqlmodel.Order{OrderNo: "O2", UserID: 7})
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if err != nil {
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t.Fatal(err)
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}
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if len(flows) != 1 {
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t.Fatalf("want 1 revoke flow, got %d", len(flows))
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}
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f := flows[0]
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if f.ChangeNum != -70 || f.OldValue != 90 || f.NewValue != 20 || f.QuotaType != QuotaTypeCos {
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t.Fatalf("flow = %+v, want change=-70 old=90 new=20", f)
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}
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}
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