zhengchiliu
b94dd6dffb
- 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
30 lines
979 B
Go
30 lines
979 B
Go
package service
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import (
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"strings"
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"testing"
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"unicode/utf8"
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)
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// TestTruncateCallbackRaw 回调报文截断：短报文原样保留，长报文按上限截断且不产生非法 UTF-8
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// （退款流水 callback_raw 为 utf8mb4 列，写入非法字节会直接报错）。
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func TestTruncateCallbackRaw(t *testing.T) {
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short := `{"Event":"xpay_refund_notify","MchOrderId":"OD1"}`
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if got := truncateCallbackRaw(short); got != short {
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t.Fatalf("short raw should be kept as-is, got %q", got)
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}
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// 构造跨越截断边界的多字节报文：4KB 边界前后都是中文字符。
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long := strings.Repeat("退", 3000)
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got := truncateCallbackRaw(long)
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if len(got) > 4096 {
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t.Fatalf("truncated length = %d, want <= 4096", len(got))
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}
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if !utf8.ValidString(got) {
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t.Fatal("truncated raw must be valid UTF-8")
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}
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if got == "" || !strings.HasPrefix(long, got) {
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t.Fatalf("truncated raw should be a prefix of the original, got prefix=%q", got[:min(8, len(got))])
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}
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}
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