重构代码结构并添加完整功能
主要改动: - 重构目录结构:合并子目录到根目录,简化项目结构 - 添加完整的查询 API:支持复杂条件查询、字段选择、游标模式 - 实现 LSM-Tree Compaction:7层结构、Score-based策略、后台异步合并 - 添加 Web UI:基于 Lit 的现代化管理界面,支持数据浏览和 Manifest 查看 - 完善文档:添加 README.md 和 examples/webui/README.md 新增功能: - Query Builder:链式查询 API,支持 Eq/Lt/Gt/In/Between/Contains 等操作符 - Web UI 组件:srdb-app、srdb-table-list、srdb-data-view、srdb-manifest-view 等 - 列选择持久化:自动保存到 localStorage - 刷新按钮:一键刷新当前视图 - 主题切换:深色/浅色主题支持 代码优化: - 使用 Go 1.24 新特性:range 7、min()、maps.Copy()、slices.Sort() - 统一组件命名:所有 Web Components 使用 srdb-* 前缀 - CSS 优化:提取共享样式,减少重复代码 - 清理遗留代码:删除未使用的方法和样式
This commit is contained in:
220
version_test.go
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220
version_test.go
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package srdb
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import (
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"os"
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"testing"
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)
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func TestVersionSetBasic(t *testing.T) {
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dir := "./test_manifest"
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os.RemoveAll(dir)
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defer os.RemoveAll(dir)
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// 创建 VersionSet
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vs, err := NewVersionSet(dir)
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if err != nil {
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t.Fatalf("NewVersionSet failed: %v", err)
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}
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defer vs.Close()
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// 检查初始状态
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version := vs.GetCurrent()
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if version.GetFileCount() != 0 {
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t.Errorf("Expected 0 files, got %d", version.GetFileCount())
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}
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t.Log("VersionSet basic test passed!")
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}
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func TestVersionSetAddFile(t *testing.T) {
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dir := "./test_manifest_add"
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os.RemoveAll(dir)
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defer os.RemoveAll(dir)
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vs, err := NewVersionSet(dir)
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if err != nil {
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t.Fatalf("NewVersionSet failed: %v", err)
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}
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defer vs.Close()
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// 添加文件
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edit := NewVersionEdit()
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edit.AddFile(&FileMetadata{
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FileNumber: 1,
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FileSize: 1024,
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MinKey: 1,
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MaxKey: 100,
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RowCount: 100,
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})
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err = vs.LogAndApply(edit)
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if err != nil {
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t.Fatalf("LogAndApply failed: %v", err)
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}
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// 检查
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version := vs.GetCurrent()
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if version.GetFileCount() != 1 {
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t.Errorf("Expected 1 file, got %d", version.GetFileCount())
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}
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files := version.GetSSTFiles()
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if files[0].FileNumber != 1 {
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t.Errorf("Expected file number 1, got %d", files[0].FileNumber)
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}
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t.Log("VersionSet add file test passed!")
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}
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func TestVersionSetDeleteFile(t *testing.T) {
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dir := "./test_manifest_delete"
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os.RemoveAll(dir)
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defer os.RemoveAll(dir)
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vs, err := NewVersionSet(dir)
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if err != nil {
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t.Fatalf("NewVersionSet failed: %v", err)
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}
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defer vs.Close()
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// 添加两个文件
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edit1 := NewVersionEdit()
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edit1.AddFile(&FileMetadata{FileNumber: 1, FileSize: 1024, MinKey: 1, MaxKey: 100, RowCount: 100})
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edit1.AddFile(&FileMetadata{FileNumber: 2, FileSize: 2048, MinKey: 101, MaxKey: 200, RowCount: 100})
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vs.LogAndApply(edit1)
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// 删除一个文件
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edit2 := NewVersionEdit()
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edit2.DeleteFile(1)
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err = vs.LogAndApply(edit2)
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if err != nil {
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t.Fatalf("LogAndApply failed: %v", err)
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}
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// 检查
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version := vs.GetCurrent()
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if version.GetFileCount() != 1 {
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t.Errorf("Expected 1 file, got %d", version.GetFileCount())
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}
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files := version.GetSSTFiles()
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if files[0].FileNumber != 2 {
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t.Errorf("Expected file number 2, got %d", files[0].FileNumber)
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}
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t.Log("VersionSet delete file test passed!")
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}
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func TestVersionSetRecover(t *testing.T) {
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dir := "./test_manifest_recover"
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os.RemoveAll(dir)
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defer os.RemoveAll(dir)
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// 第一次:创建并添加文件
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vs1, err := NewVersionSet(dir)
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if err != nil {
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t.Fatalf("NewVersionSet failed: %v", err)
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}
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edit := NewVersionEdit()
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edit.AddFile(&FileMetadata{FileNumber: 1, FileSize: 1024, MinKey: 1, MaxKey: 100, RowCount: 100})
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edit.AddFile(&FileMetadata{FileNumber: 2, FileSize: 2048, MinKey: 101, MaxKey: 200, RowCount: 100})
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vs1.LogAndApply(edit)
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vs1.Close()
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// 第二次:重新打开并恢复
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vs2, err := NewVersionSet(dir)
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if err != nil {
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t.Fatalf("NewVersionSet recover failed: %v", err)
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}
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defer vs2.Close()
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// 检查恢复的数据
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version := vs2.GetCurrent()
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if version.GetFileCount() != 2 {
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t.Errorf("Expected 2 files after recover, got %d", version.GetFileCount())
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}
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files := version.GetSSTFiles()
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if files[0].FileNumber != 1 || files[1].FileNumber != 2 {
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t.Errorf("File numbers not correct after recover")
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}
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t.Log("VersionSet recover test passed!")
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}
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func TestVersionSetMultipleEdits(t *testing.T) {
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dir := "./test_manifest_multiple"
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os.RemoveAll(dir)
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defer os.RemoveAll(dir)
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vs, err := NewVersionSet(dir)
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if err != nil {
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t.Fatalf("NewVersionSet failed: %v", err)
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}
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defer vs.Close()
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// 多次变更
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for i := int64(1); i <= 10; i++ {
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edit := NewVersionEdit()
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edit.AddFile(&FileMetadata{
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FileNumber: i,
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FileSize: 1024 * i,
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MinKey: (i-1)*100 + 1,
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MaxKey: i * 100,
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RowCount: 100,
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})
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err = vs.LogAndApply(edit)
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if err != nil {
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t.Fatalf("LogAndApply failed: %v", err)
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}
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}
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// 检查
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version := vs.GetCurrent()
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if version.GetFileCount() != 10 {
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t.Errorf("Expected 10 files, got %d", version.GetFileCount())
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}
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t.Log("VersionSet multiple edits test passed!")
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}
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func TestVersionEditEncodeDecode(t *testing.T) {
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// 创建 VersionEdit
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edit1 := NewVersionEdit()
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edit1.AddFile(&FileMetadata{FileNumber: 1, FileSize: 1024, MinKey: 1, MaxKey: 100, RowCount: 100})
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edit1.DeleteFile(2)
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nextFile := int64(10)
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edit1.SetNextFileNumber(nextFile)
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lastSeq := int64(1000)
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edit1.SetLastSequence(lastSeq)
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// 编码
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data, err := edit1.Encode()
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if err != nil {
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t.Fatalf("Encode failed: %v", err)
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}
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// 解码
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edit2 := NewVersionEdit()
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err = edit2.Decode(data)
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if err != nil {
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t.Fatalf("Decode failed: %v", err)
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}
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// 检查
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if len(edit2.AddedFiles) != 1 {
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t.Errorf("Expected 1 added file, got %d", len(edit2.AddedFiles))
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}
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if len(edit2.DeletedFiles) != 1 {
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t.Errorf("Expected 1 deleted file, got %d", len(edit2.DeletedFiles))
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}
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if *edit2.NextFileNumber != 10 {
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t.Errorf("Expected NextFileNumber 10, got %d", *edit2.NextFileNumber)
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}
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if *edit2.LastSequence != 1000 {
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t.Errorf("Expected LastSequence 1000, got %d", *edit2.LastSequence)
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}
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t.Log("VersionEdit encode/decode test passed!")
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}
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