Quality improvements: Remove dead code, add unit tests, fix ignored errors
HIGH PRIORITY FIXES: 1. Remove unused progressCallback mechanism (dead code cleanup) 2. Add unit tests for restore package (formats, safety checks) - Test coverage for archive format detection - Test coverage for safety validation - Added NullLogger for testing 3. Fix ignored errors in backup pipeline - Handle StdoutPipe() errors properly - Log stderr pipe errors - Document CPU detection errors IMPROVEMENTS: - formats_test.go: 8 test functions, all passing - safety_test.go: 6 test functions for validation - logger/null.go: Test helper for unit tests - Proper error handling in streaming compression - Fixed indentation in stderr handling
This commit is contained in:
@ -23,7 +23,6 @@ type Engine struct {
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progress progress.Indicator
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detailedReporter *progress.DetailedReporter
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dryRun bool
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progressCallback func(phase, status string, percent int) // Callback for TUI progress
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}
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// New creates a new restore engine
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@ -53,19 +52,6 @@ func NewSilent(cfg *config.Config, log logger.Logger, db database.Database) *Eng
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progress: progressIndicator,
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detailedReporter: detailedReporter,
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dryRun: false,
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progressCallback: nil,
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}
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}
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// SetProgressCallback sets a callback function for progress updates (used by TUI)
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func (e *Engine) SetProgressCallback(callback func(phase, status string, percent int)) {
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e.progressCallback = callback
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}
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// reportProgress calls the progress callback if set
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func (e *Engine) reportProgress(phase, status string, percent int) {
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if e.progressCallback != nil {
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e.progressCallback(phase, status, percent)
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}
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}
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@ -326,7 +312,6 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
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}
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e.progress.Start(fmt.Sprintf("Restoring cluster from %s", filepath.Base(archivePath)))
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e.reportProgress("Extracting", "Extracting cluster archive...", 5)
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// Create temporary extraction directory
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tempDir := filepath.Join(e.cfg.BackupDir, fmt.Sprintf(".restore_%d", time.Now().Unix()))
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@ -348,7 +333,6 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
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if _, err := os.Stat(globalsFile); err == nil {
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e.log.Info("Restoring global objects")
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e.progress.Update("Restoring global objects (roles, tablespaces)...")
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e.reportProgress("Globals", "Restoring global objects...", 15)
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if err := e.restoreGlobals(ctx, globalsFile); err != nil {
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e.log.Warn("Failed to restore global objects", "error", err)
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// Continue anyway - global objects might already exist
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@ -388,13 +372,12 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
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dumpFile := filepath.Join(dumpsDir, entry.Name())
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dbName := strings.TrimSuffix(entry.Name(), ".dump")
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// Calculate progress: 15% for extraction/globals, 85% for databases
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// Calculate progress percentage for logging
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dbProgress := 15 + int(float64(i)/float64(totalDBs)*85.0)
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statusMsg := fmt.Sprintf("⠋ [%d/%d] Restoring: %s", i+1, totalDBs, dbName)
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e.progress.Update(statusMsg)
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e.reportProgress("Restoring", statusMsg, dbProgress)
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e.log.Info("Restoring database", "name", dbName, "file", dumpFile)
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e.log.Info("Restoring database", "name", dbName, "file", dumpFile, "progress", dbProgress)
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// Create database first if it doesn't exist
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if err := e.ensureDatabaseExists(ctx, dbName); err != nil {
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222
internal/restore/formats_test.go
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222
internal/restore/formats_test.go
Normal file
@ -0,0 +1,222 @@
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package restore
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import (
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"os"
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"path/filepath"
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"testing"
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)
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func TestDetectArchiveFormat(t *testing.T) {
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tests := []struct {
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name string
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filename string
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want ArchiveFormat
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}{
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{
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name: "PostgreSQL custom dump",
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filename: "backup.dump",
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want: FormatPostgreSQLDump,
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},
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{
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name: "PostgreSQL custom dump compressed",
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filename: "backup.dump.gz",
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want: FormatPostgreSQLDumpGz,
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},
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{
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name: "PostgreSQL SQL script",
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filename: "backup.sql",
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want: FormatPostgreSQLSQL,
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},
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{
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name: "PostgreSQL SQL compressed",
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filename: "backup.sql.gz",
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want: FormatPostgreSQLSQLGz,
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},
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{
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name: "Cluster backup",
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filename: "cluster_backup_20241107.tar.gz",
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want: FormatClusterTarGz,
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},
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{
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name: "MySQL SQL script",
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filename: "mydb.sql",
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want: FormatPostgreSQLSQL, // Note: Could be MySQL or PostgreSQL
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},
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{
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name: "Unknown format",
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filename: "backup.txt",
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want: FormatUnknown,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := DetectArchiveFormat(tt.filename)
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if got != tt.want {
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t.Errorf("DetectArchiveFormat(%s) = %v, want %v", tt.filename, got, tt.want)
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}
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})
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}
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}
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func TestArchiveFormat_String(t *testing.T) {
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tests := []struct {
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format ArchiveFormat
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want string
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}{
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{FormatPostgreSQLDump, "PostgreSQL Dump"},
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{FormatPostgreSQLDumpGz, "PostgreSQL Dump (gzip)"},
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{FormatPostgreSQLSQL, "PostgreSQL SQL"},
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{FormatPostgreSQLSQLGz, "PostgreSQL SQL (gzip)"},
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{FormatMySQLSQL, "MySQL SQL"},
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{FormatMySQLSQLGz, "MySQL SQL (gzip)"},
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{FormatClusterTarGz, "Cluster Archive (tar.gz)"},
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{FormatUnknown, "Unknown"},
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}
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for _, tt := range tests {
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t.Run(tt.want, func(t *testing.T) {
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got := tt.format.String()
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if got != tt.want {
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t.Errorf("Format.String() = %q, want %q", got, tt.want)
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}
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})
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}
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}
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func TestArchiveFormat_IsCompressed(t *testing.T) {
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tests := []struct {
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format ArchiveFormat
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want bool
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}{
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{FormatPostgreSQLDump, false},
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{FormatPostgreSQLDumpGz, true},
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{FormatPostgreSQLSQL, false},
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{FormatPostgreSQLSQLGz, true},
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{FormatMySQLSQL, false},
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{FormatMySQLSQLGz, true},
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{FormatClusterTarGz, true},
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{FormatUnknown, false},
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}
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for _, tt := range tests {
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t.Run(tt.format.String(), func(t *testing.T) {
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got := tt.format.IsCompressed()
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if got != tt.want {
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t.Errorf("%s.IsCompressed() = %v, want %v", tt.format, got, tt.want)
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}
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})
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}
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}
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func TestArchiveFormat_IsClusterBackup(t *testing.T) {
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tests := []struct {
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format ArchiveFormat
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want bool
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}{
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{FormatPostgreSQLDump, false},
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{FormatPostgreSQLDumpGz, false},
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{FormatPostgreSQLSQL, false},
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{FormatPostgreSQLSQLGz, false},
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{FormatMySQLSQL, false},
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{FormatMySQLSQLGz, false},
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{FormatClusterTarGz, true},
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{FormatUnknown, false},
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}
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for _, tt := range tests {
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t.Run(tt.format.String(), func(t *testing.T) {
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got := tt.format.IsClusterBackup()
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if got != tt.want {
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t.Errorf("%s.IsClusterBackup() = %v, want %v", tt.format, got, tt.want)
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}
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})
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}
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}
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func TestFormatBytes(t *testing.T) {
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tests := []struct {
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name string
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bytes int64
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want string
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}{
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{
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name: "bytes",
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bytes: 500,
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want: "500 B",
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},
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{
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name: "kilobytes",
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bytes: 2048,
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want: "2.0 KB",
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},
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{
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name: "megabytes",
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bytes: 5242880,
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want: "5.0 MB",
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},
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{
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name: "gigabytes",
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bytes: 2147483648,
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want: "2.0 GB",
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},
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{
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name: "terabytes",
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bytes: 1099511627776,
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want: "1.0 TB",
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},
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{
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name: "zero",
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bytes: 0,
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want: "0 B",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := FormatBytes(tt.bytes)
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if got != tt.want {
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t.Errorf("FormatBytes(%d) = %q, want %q", tt.bytes, got, tt.want)
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}
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})
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}
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}
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func TestDetectArchiveFormatWithRealFiles(t *testing.T) {
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// Create a temporary directory for test files
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tmpDir := t.TempDir()
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testCases := []struct {
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name string
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filename string
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content []byte
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want ArchiveFormat
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}{
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{
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name: "PostgreSQL dump with magic bytes",
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filename: "test.dump",
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content: []byte("PGDMP"),
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want: FormatPostgreSQLDump,
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},
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{
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name: "Gzipped file",
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filename: "test.gz",
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content: []byte{0x1f, 0x8b, 0x08},
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want: FormatUnknown, // .gz without proper extension
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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filePath := filepath.Join(tmpDir, tc.filename)
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if err := os.WriteFile(filePath, tc.content, 0644); err != nil {
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t.Fatalf("Failed to create test file: %v", err)
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}
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got := DetectArchiveFormat(filePath)
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if got != tc.want {
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t.Errorf("DetectArchiveFormat(%s) = %v, want %v", tc.filename, got, tc.want)
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}
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})
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}
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}
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93
internal/restore/safety_test.go
Normal file
93
internal/restore/safety_test.go
Normal file
@ -0,0 +1,93 @@
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package restore
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import (
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"os"
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"path/filepath"
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"testing"
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"dbbackup/internal/config"
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"dbbackup/internal/logger"
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)
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func TestValidateArchive_FileNotFound(t *testing.T) {
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cfg := &config.Config{}
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log := logger.NewNullLogger()
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safety := NewSafety(cfg, log)
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err := safety.ValidateArchive("/nonexistent/file.dump")
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if err == nil {
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t.Error("Expected error for non-existent file, got nil")
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}
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}
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func TestValidateArchive_EmptyFile(t *testing.T) {
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tmpDir := t.TempDir()
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emptyFile := filepath.Join(tmpDir, "empty.dump")
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if err := os.WriteFile(emptyFile, []byte{}, 0644); err != nil {
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t.Fatalf("Failed to create empty file: %v", err)
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}
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cfg := &config.Config{}
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log := logger.NewNullLogger()
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safety := NewSafety(cfg, log)
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err := safety.ValidateArchive(emptyFile)
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if err == nil {
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t.Error("Expected error for empty file, got nil")
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}
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}
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func TestCheckDiskSpace_InsufficientSpace(t *testing.T) {
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// This test is hard to make deterministic without mocking
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// Just ensure the function doesn't panic
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tmpDir := t.TempDir()
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testFile := filepath.Join(tmpDir, "test.dump")
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// Create a small test file
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if err := os.WriteFile(testFile, []byte("test"), 0644); err != nil {
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t.Fatalf("Failed to create test file: %v", err)
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}
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cfg := &config.Config{
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BackupDir: tmpDir,
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}
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log := logger.NewNullLogger()
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safety := NewSafety(cfg, log)
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// Should not panic
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_ = safety.CheckDiskSpace(testFile, 1.0)
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}
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func TestVerifyTools_PostgreSQL(t *testing.T) {
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cfg := &config.Config{}
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log := logger.NewNullLogger()
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safety := NewSafety(cfg, log)
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// This will fail if pg_restore is not installed, which is expected in many environments
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err := safety.VerifyTools("postgres")
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// We don't assert the result since it depends on the system
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// Just check it doesn't panic
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_ = err
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}
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func TestVerifyTools_MySQL(t *testing.T) {
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cfg := &config.Config{}
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log := logger.NewNullLogger()
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safety := NewSafety(cfg, log)
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// This will fail if mysql is not installed
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err := safety.VerifyTools("mysql")
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_ = err
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}
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func TestVerifyTools_UnknownDBType(t *testing.T) {
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cfg := &config.Config{}
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log := logger.NewNullLogger()
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safety := NewSafety(cfg, log)
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err := safety.VerifyTools("unknown")
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// Unknown DB types currently don't return error - they just don't verify anything
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// This is intentional to allow flexibility
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_ = err
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}
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Reference in New Issue
Block a user