优化结构

internal/integration/payment/adapter_test.go

@@ -0,0 +1,21 @@
+package payment
+
+import (
+	"testing"
+
+	"kra/internal/biz"
+)
+
+func TestEverySupportedProviderHasAdapter(t *testing.T) {
+	for _, provider := range biz.SupportedPaymentProviders {
+		t.Run(provider, func(t *testing.T) {
+			adapter, err := New(provider)
+			if err != nil {
+				t.Fatalf("New(%q): %v", provider, err)
+			}
+			if adapter == nil {
+				t.Fatalf("New(%q) returned a nil adapter", provider)
+			}
+		})
+	}
+}