54 lines
842 B
Go
54 lines
842 B
Go
package wal
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import (
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"io"
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"git.crumpington.com/public/jldb/lib/errs"
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"testing"
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)
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func TestCorruptWAL(t *testing.T) {
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t.Parallel()
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tmpDir := t.TempDir()
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wal, err := Create(tmpDir, 100, Config{
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SegMinCount: 1024,
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SegMaxAgeSec: 3600,
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})
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if err != nil {
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t.Fatal(err)
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}
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defer wal.Close()
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appendRandomRecords(t, wal, 100)
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f := wal.seg.f
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info, err := f.Stat()
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if err != nil {
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t.Fatal(err)
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}
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offset := info.Size() / 2
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if _, err := f.WriteAt([]byte{1, 2, 3, 4, 5, 6, 7, 8}, offset); err != nil {
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t.Fatal(err)
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}
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it, err := wal.Iterator(-1)
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if err != nil {
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t.Fatal(err)
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}
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defer it.Close()
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for it.Next(0) {
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rec := it.Record()
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if _, err := io.ReadAll(rec.Reader); err != nil {
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if errs.Corrupt.Is(err) {
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return
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}
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t.Fatal(err)
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}
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}
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if !errs.Corrupt.Is(it.Error()) {
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t.Fatal(it.Error())
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}
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}
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