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package storage
import (
"errors"
"fmt"
"os"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/seaweedfs/seaweedfs/weed/storage/needle"
"github.com/seaweedfs/seaweedfs/weed/storage/super_block"
"github.com/seaweedfs/seaweedfs/weed/storage/types"
)
func TestSearchVolumesWithDeletedNeedles(t *testing.T) {
dir := t.TempDir()
v, err := NewVolume(dir, dir, "", 1, NeedleMapInMemory, &super_block.ReplicaPlacement{}, &needle.TTL{}, 0, needle.GetCurrentVersion(), 0, 0)
if err != nil {
t.Fatalf("volume creation: %v", err)
}
count := 20
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 < 15; i++ {
n := newEmptyNeedle(uint64(i))
err := v.nm.Put(n.Id, types.Offset{}, types.TombstoneFileSize)
if err != nil {
t.Fatalf("delete needle %d: %v", i, err)
}
}
ts1 := time.Now().UnixNano()
for i := 15; i < count; i++ {
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)
}
func isFileExist(path string) (bool, error) {
if _, err := os.Stat(path); err == nil {
return true, nil
} else if errors.Is(err, os.ErrNotExist) {
return false, nil
} else {
return false, err
}
}
func assertFileExist(t *testing.T, expected bool, path string) {
exist, err := isFileExist(path)
if err != nil {
t.Fatalf("isFileExist: %v", err)
}
assert.Equal(t, expected, exist)
}
func TestDestroyEmptyVolumeWithOnlyEmpty(t *testing.T) {
dir := t.TempDir()
v, err := NewVolume(dir, dir, "", 1, NeedleMapInMemory, &super_block.ReplicaPlacement{}, &needle.TTL{}, 0, needle.GetCurrentVersion(), 0, 0)
if err != nil {
t.Fatalf("volume creation: %v", err)
}
path := v.DataBackend.Name()
// should can Destroy empty volume with onlyEmpty
assertFileExist(t, true, path)
err = v.Destroy(true)
if err != nil {
t.Fatalf("destroy volume: %v", err)
}
assertFileExist(t, false, path)
}
func TestDestroyEmptyVolumeWithoutOnlyEmpty(t *testing.T) {
dir := t.TempDir()
v, err := NewVolume(dir, dir, "", 1, NeedleMapInMemory, &super_block.ReplicaPlacement{}, &needle.TTL{}, 0, needle.GetCurrentVersion(), 0, 0)
if err != nil {
t.Fatalf("volume creation: %v", err)
}
path := v.DataBackend.Name()
// should can Destroy empty volume without onlyEmpty
assertFileExist(t, true, path)
err = v.Destroy(false)
if err != nil {
t.Fatalf("destroy volume: %v", err)
}
assertFileExist(t, false, path)
}
func TestDestroyNonemptyVolumeWithOnlyEmpty(t *testing.T) {
dir := t.TempDir()
v, err := NewVolume(dir, dir, "", 1, NeedleMapInMemory, &super_block.ReplicaPlacement{}, &needle.TTL{}, 0, needle.GetCurrentVersion(), 0, 0)
if err != nil {
t.Fatalf("volume creation: %v", err)
}
path := v.DataBackend.Name()
// should return "volume not empty" error and do not delete file when Destroy non-empty volume
_, _, _, err = v.writeNeedle2(newRandomNeedle(1), true, false)
if err != nil {
t.Fatalf("write needle: %v", err)
}
assert.Equal(t, uint64(1), v.FileCount())
assertFileExist(t, true, path)
err = v.Destroy(true)
assert.EqualError(t, err, "volume not empty")
assertFileExist(t, true, path)
// should keep working after "volume not empty"
_, _, _, err = v.writeNeedle2(newRandomNeedle(2), true, false)
if err != nil {
t.Fatalf("write needle: %v", err)
}
assert.Equal(t, uint64(2), v.FileCount())
}
func TestDestroyNonemptyVolumeWithoutOnlyEmpty(t *testing.T) {
dir := t.TempDir()
v, err := NewVolume(dir, dir, "", 1, NeedleMapInMemory, &super_block.ReplicaPlacement{}, &needle.TTL{}, 0, needle.GetCurrentVersion(), 0, 0)
if err != nil {
t.Fatalf("volume creation: %v", err)
}
path := v.DataBackend.Name()
// should can Destroy non-empty volume without onlyEmpty
_, _, _, err = v.writeNeedle2(newRandomNeedle(1), true, false)
if err != nil {
t.Fatalf("write needle: %v", err)
}
assert.Equal(t, uint64(1), v.FileCount())
assertFileExist(t, true, path)
err = v.Destroy(false)
if err != nil {
t.Fatalf("destroy volume: %v", err)
}
assertFileExist(t, false, path)
}
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