Initial commit

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

common/rchgutil/recharge_cache_test.go

@@ -0,0 +1,61 @@
+package rchgutil
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/vmihailenco/msgpack/v5"
+)
+
+func TestDecodeCachedPayTypes(t *testing.T) {
+	want := []AllPayType{{
+		Money: "100",
+		Types: []mercPayTypeInfo{{Name: "支付宝", Type: "alipay"}},
+	}}
+
+	tests := []struct {
+		name string
+		data func(t *testing.T) []byte
+	}{
+		{
+			name: "json",
+			data: func(t *testing.T) []byte {
+				t.Helper()
+				data, err := json.Marshal(want)
+				if err != nil {
+					t.Fatal(err)
+				}
+				return data
+			},
+		},
+		{
+			name: "legacy msgpack",
+			data: func(t *testing.T) []byte {
+				t.Helper()
+				data, err := msgpack.Marshal(want)
+				if err != nil {
+					t.Fatal(err)
+				}
+				return data
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := decodeCachedPayTypes(string(tt.data(t)))
+			if err != nil {
+				t.Fatalf("decodeCachedPayTypes() error = %v", err)
+			}
+			if len(got) != 1 || got[0].Money != want[0].Money || len(got[0].Types) != 1 || got[0].Types[0] != want[0].Types[0] {
+				t.Fatalf("decodeCachedPayTypes() = %#v, want %#v", got, want)
+			}
+		})
+	}
+}
+
+func TestDecodeCachedPayTypesRejectsInvalidData(t *testing.T) {
+	if _, err := decodeCachedPayTypes("not-json-or-msgpack"); err == nil {
+		t.Fatal("decodeCachedPayTypes() error = nil, want decode error")
+	}
+}