seaweedfs/weed/storage/volume_write_test.go

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package storage
import (
"fmt"
"os"
"testing"
"time"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"github.com/chrislusf/seaweedfs/weed/storage/types"
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)
func TestSearchVolumesWithDeletedNeedles(t *testing.T) {
dir, err := os.MkdirTemp("", "example")
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if err != nil {
t.Fatalf("temp dir creation: %v", err)
}
defer os.RemoveAll(dir) // clean up
v, err := NewVolume(dir, dir, "", 1, NeedleMapInMemory, &super_block.ReplicaPlacement{}, &needle.TTL{}, 0, 0)
if err != nil {
t.Fatalf("volume creation: %v", err)
}
count := 20
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for i := 1; i < count; i++ {
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n := newRandomNeedle(uint64(i))
_, _, _, err := v.writeNeedle2(n, true, false)
if err != nil {
t.Fatalf("write needle %d: %v", i, err)
}
}
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for i := 1; i < 15; i++ {
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n := newEmptyNeedle(uint64(i))
err := v.nm.Put(n.Id, types.Offset{}, types.TombstoneFileSize)
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if err != nil {
t.Fatalf("delete needle %d: %v", i, err)
}
}
ts1 := time.Now().UnixNano()
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for i := 15; i < count; i++ {
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n := newEmptyNeedle(uint64(i))
_, err := v.doDeleteRequest(n)
if err != nil {
t.Fatalf("delete needle %d: %v", i, err)
}
}
offset, isLast, err := v.BinarySearchByAppendAtNs(uint64(ts1))
if err != nil {
t.Fatalf("lookup by ts: %v", err)
}
fmt.Printf("offset: %v, isLast: %v\n", offset.ToActualOffset(), isLast)
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}