test(pay): 补 fake 三态/MockChannelEnabled 装配/devmock 端点/gateway currency_mismatch/限流 bucket 回收

2026-07-11 08:39:57 +08:00
parent 1f87b0fcbf
commit 9076b5e0b8
5 changed files with 353 additions and 0 deletions
@@ -221,3 +221,63 @@ func TestCreateOrderCurrencyFromChannelCapability(t *testing.T) {
 		t.Fatalf("order = %s/%d want USDT/29990000", o.Currency, o.AmountMinor)
 	}
 }
+
+// cnyOnlyProvider 是本测试文件专用的最小 stub provider(结算币种固定 CNY),
+// 陪 fake(结算 USDT)凑出"两个结算币种不同的方法"场景,用来直测 RetryOrder 换渠道
+// 触发 gateway.ErrCurrencyMismatch 的分支(gateway.go:177 附近)。不复用
+// internal/provider/provider_test.go 的 stubProvider——那个类型未导出且在
+// package provider_test 里,gateway_test 包拿不到。
+type cnyOnlyProvider struct{}
+
+func (cnyOnlyProvider) Method() string { return "cny-only" }
+
+func (cnyOnlyProvider) Capabilities() provider.Capabilities {
+	return provider.Capabilities{
+		RenderTypes:      []provider.RenderType{provider.RenderQR},
+		SettleCurrencies: []string{"CNY"},
+	}
+}
+
+func (cnyOnlyProvider) Create(_ context.Context, req provider.CreateRequest) (*provider.Session, error) {
+	return &provider.Session{ProviderRef: "CNYONLY-" + req.OutTradeNo, RenderType: provider.RenderQR, Payload: map[string]any{}}, nil
+}
+
+func (cnyOnlyProvider) VerifyCallback(context.Context, provider.CallbackInput) (*provider.PaidEvent, error) {
+	return nil, errors.New("cnyOnlyProvider: not implemented")
+}
+
+func (cnyOnlyProvider) Query(context.Context, provider.QueryRequest) (*provider.PaidEvent, error) {
+	return &provider.PaidEvent{Status: provider.PaidPending}, nil
+}
+
+// TestRetryOrderCurrencyMismatch 直测 gateway.go:177 附近的触发条件:换到一个结算
+// 币种与订单不同的渠道 retry,必须报 ErrCurrencyMismatch(而不是静默换币重定价——
+// P3 范围之外,见 RetryOrder 注释)。此前只在 handler 层经 HTTP 间接测到 409。
+func TestRetryOrderCurrencyMismatch(t *testing.T) {
+	db := model.OpenTestDB(t)
+	orders := store.NewOrderStore(db)
+	refunds := store.NewRefundStore(db)
+	subs := store.NewSubscriptionStore(db)
+	chargebacks := store.NewChargebackStore(db)
+	preg := provider.NewRegistry()
+	preg.Register(fake.New())        // "fake" 结算 USDT
+	preg.Register(cnyOnlyProvider{}) // "cny-only" 结算 CNY
+	areg := accounts.New([]config.AccountConfig{
+		{AccountID: "fake-a1", Channel: "fake", Region: "global", Enabled: true, Weight: 1},
+		{AccountID: "cny-a1", Channel: "cny-only", Region: "global", Enabled: true, Weight: 1},
+	})
+	picker := accounts.NewRouter(areg, nil, nil)
+	g := gateway.New(orders, refunds, preg, picker, stubResolver{}, &spyEnqueuer{}, "global", subs, chargebacks)
+	ctx := context.Background()
+
+	// 用 cny-only 下单(结算 CNY),再 retry 到 fake(结算 USDT)→ 币种不符。
+	res, err := g.CreateOrder(ctx, gateway.CreateOrderInput{SKU: "pro_year", Method: "cny-only"})
+	if err != nil {
+		t.Fatalf("create: %v", err)
+	}
+
+	_, err = g.RetryOrder(ctx, res.OrderNo, "fake", nil)
+	if !errors.Is(err, gateway.ErrCurrencyMismatch) {
+		t.Fatalf("RetryOrder 换到结算币种不同的渠道应报 ErrCurrencyMismatch, got %v", err)
+	}
+}