- 将臃肿的 parse.go 按职责拆分为多个模块:
parse_types.go、parse_io.go、parse_event_convert.go、parse_stream.go、parse_filter.go
- parse.go 保留为模块入口说明,提升可维护性与可读性
- 修复事务状态被覆盖问题(BEGIN/COMMIT/ROLLBACK 不再被重置为 PREPARE)
- 增加 include-tables 与 exclude-tables 互斥校验,同时配置时直接报配置错误
- 强化表匹配器模式校验,并补充非法模式测试
- 在明细过滤后重算事务统计(RowsCount/StartPos/EndPos/Size),避免统计失真
- 增加 TABLE_MAP 事件转换,补充列元信息透传(ColumnTypes/ColumnCollationIDs)
- 基于 unsigned 元数据规范化行值,避免无符号整型被渲染为负数
- 优化事件解析报错信息:增加有界 body 十六进制预览
- 补充单元测试:payload/tablemap 转换、unsigned 规范化、过滤逻辑、IO 预览
34 lines
873 B
Go
34 lines
873 B
Go
package binlog
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import (
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"strings"
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"testing"
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)
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func TestFormatBodyPreview(t *testing.T) {
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if got := formatBodyPreview(nil, 256); got != "len=0" {
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t.Fatalf("unexpected empty preview: %q", got)
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}
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small := []byte{0x01, 0x02, 0xAB}
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got := formatBodyPreview(small, 8)
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if !strings.Contains(got, "len=3") || !strings.Contains(got, "0102ab") {
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t.Fatalf("unexpected preview for small body: %q", got)
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}
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if strings.Contains(got, "...") {
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t.Fatalf("small body should not be truncated: %q", got)
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}
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large := make([]byte, 300)
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for i := range large {
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large[i] = byte(i)
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}
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got = formatBodyPreview(large, 16)
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if !strings.Contains(got, "len=300") || !strings.Contains(got, "preview(hex,16B)=") {
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t.Fatalf("unexpected preview for large body: %q", got)
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}
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if !strings.HasSuffix(got, "...") {
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t.Fatalf("large body should be truncated with ellipsis: %q", got)
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}
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}
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