seaweedfs/weed/storage/volume_write_test.go
2021-10-09 04:54:14 -07:00

69 lines
1.5 KiB
Go

package storage
import (
"fmt"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
"io/ioutil"
"os"
"testing"
"time"
)
func TestSearchVolumesWithDeletedNeedles(t *testing.T) {
dir, err := ioutil.TempDir("", "example")
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 := 10
for i:=1;i<count;i++{
n := newRandomNeedle(uint64(i))
_, _, _, err := v.writeNeedle2(n, true, false)
if err != nil {
t.Fatalf("write needle %d: %v", i, err)
}
}
for i:=1;i<5;i++{
n := newEmptyNeedle(uint64(i))
_, err := v.doDeleteRequest(n)
if err != nil {
t.Fatalf("delete needle %d: %v", i, err)
}
}
ts1 := time.Now().UnixNano()
var ts2 uint64
for i:=5;i<count;i++{
n := newEmptyNeedle(uint64(i))
_, err := v.doDeleteRequest(n)
if err != nil {
t.Fatalf("delete needle %d: %v", i, err)
}
ts2 = n.AppendAtNs
}
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)
offset, isLast, err = v.BinarySearchByAppendAtNs(uint64(ts2))
if err != nil {
t.Fatalf("lookup by ts: %v", err)
}
fmt.Printf("offset: %v, isLast: %v\n", offset.ToActualOffset(), isLast)
}