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2282 lines
50 KiB
2282 lines
50 KiB
package bitcask
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import (
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"bytes"
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"path/filepath"
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"reflect"
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"sort"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"git.mills.io/prologic/bitcask/internal"
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"git.mills.io/prologic/bitcask/internal/config"
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"git.mills.io/prologic/bitcask/internal/mocks"
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)
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var (
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ErrMockError = errors.New("error: mock error")
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)
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type sortByteArrays [][]byte
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func (b sortByteArrays) Len() int {
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return len(b)
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}
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func (b sortByteArrays) Less(i, j int) bool {
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switch bytes.Compare(b[i], b[j]) {
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case -1:
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return true
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case 0, 1:
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return false
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}
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return false
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}
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func (b sortByteArrays) Swap(i, j int) {
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b[j], b[i] = b[i], b[j]
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}
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func SortByteArrays(src [][]byte) [][]byte {
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sorted := sortByteArrays(src)
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sort.Sort(sorted)
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return sorted
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}
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func TestAll(t *testing.T) {
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var (
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db *Bitcask
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testdir string
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err error
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)
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assert := assert.New(t)
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testdir, err = ioutil.TempDir("", "bitcask")
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assert.NoError(err)
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t.Run("Open", func(t *testing.T) {
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db, err = Open(testdir)
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assert.NoError(err)
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})
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t.Run("Put", func(t *testing.T) {
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err = db.Put([]byte("foo"), []byte("bar"))
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assert.NoError(err)
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})
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t.Run("Get", func(t *testing.T) {
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val, err := db.Get([]byte("foo"))
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assert.NoError(err)
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assert.Equal([]byte("bar"), val)
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})
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t.Run("Len", func(t *testing.T) {
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assert.Equal(1, db.Len())
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})
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t.Run("PutWithTTL", func(t *testing.T) {
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err = db.PutWithTTL([]byte("bar"), []byte("baz"), 0)
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assert.NoError(err)
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})
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t.Run("GetExpiredKey", func(t *testing.T) {
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time.Sleep(time.Millisecond)
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_, err := db.Get([]byte("bar"))
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assert.Error(err)
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assert.Equal(ErrKeyExpired, err)
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})
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t.Run("Has", func(t *testing.T) {
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assert.True(db.Has([]byte("foo")))
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})
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t.Run("HasWithExpired", func(t *testing.T) {
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err = db.PutWithTTL([]byte("bar"), []byte("baz"), 0)
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assert.NoError(err)
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time.Sleep(time.Millisecond)
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assert.False(db.Has([]byte("bar")))
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})
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t.Run("RunGC", func(t *testing.T) {
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err = db.PutWithTTL([]byte("bar"), []byte("baz"), 0)
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assert.NoError(err)
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time.Sleep(time.Millisecond)
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err = db.RunGC()
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assert.NoError(err)
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_, err := db.Get([]byte("bar"))
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assert.Error(err)
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assert.Equal(ErrKeyNotFound, err)
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})
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t.Run("Keys", func(t *testing.T) {
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keys := make([][]byte, 0)
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for key := range db.Keys() {
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keys = append(keys, key)
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}
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assert.Equal([][]byte{[]byte("foo")}, keys)
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})
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t.Run("Fold", func(t *testing.T) {
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var (
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keys [][]byte
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values [][]byte
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)
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err := db.Fold(func(key []byte) error {
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value, err := db.Get(key)
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if err != nil {
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return err
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}
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keys = append(keys, key)
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values = append(values, value)
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return nil
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})
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assert.NoError(err)
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assert.Equal([][]byte{[]byte("foo")}, keys)
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assert.Equal([][]byte{[]byte("bar")}, values)
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})
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t.Run("Delete", func(t *testing.T) {
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err := db.Delete([]byte("foo"))
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assert.NoError(err)
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_, err = db.Get([]byte("foo"))
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assert.Error(err)
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assert.Equal(ErrKeyNotFound, err)
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})
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t.Run("Sync", func(t *testing.T) {
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err = db.Sync()
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assert.NoError(err)
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})
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t.Run("Backup", func(t *testing.T) {
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path, err := ioutil.TempDir("", "backup")
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defer os.RemoveAll(path)
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assert.NoError(err)
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err = db.Backup(filepath.Join(path, "db-backup"))
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assert.NoError(err)
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})
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t.Run("Sift", func(t *testing.T) {
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err = db.Put([]byte("toBeSifted"), []byte("siftMe"))
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assert.NoError(err)
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err = db.Put([]byte("notToBeSifted"), []byte("dontSiftMe"))
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assert.NoError(err)
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err := db.Sift(func(key []byte) (bool, error) {
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value, err := db.Get(key)
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if err != nil {
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return false, err
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}
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if string(value) == "siftMe" {
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return true, nil
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}
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return false, nil
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})
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assert.NoError(err)
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_, err = db.Get([]byte("toBeSifted"))
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assert.Equal(ErrKeyNotFound, err)
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_, err = db.Get([]byte("notToBeSifted"))
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assert.NoError(err)
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})
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t.Run("SiftScan", func(t *testing.T) {
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err := db.DeleteAll()
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assert.NoError(err)
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err = db.Put([]byte("toBeSifted"), []byte("siftMe"))
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assert.NoError(err)
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err = db.Put([]byte("toBeSkipped"), []byte("siftMe"))
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assert.NoError(err)
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err = db.Put([]byte("toBeSiftedAsWell"), []byte("siftMe"))
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assert.NoError(err)
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err = db.Put([]byte("toBeSiftedButNotReally"), []byte("dontSiftMe"))
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assert.NoError(err)
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err = db.SiftScan([]byte("toBeSifted"), func(key []byte) (bool, error) {
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value, err := db.Get(key)
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if err != nil {
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return false, err
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}
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if string(value) == "siftMe" {
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return true, nil
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}
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return false, nil
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})
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assert.NoError(err)
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_, err = db.Get([]byte("toBeSifted"))
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assert.Equal(ErrKeyNotFound, err)
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_, err = db.Get([]byte("toBeSiftedAsWell"))
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assert.Equal(ErrKeyNotFound, err)
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_, err = db.Get([]byte("toBeSkipped"))
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assert.NoError(err)
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_, err = db.Get([]byte("toBeSiftedButNotReally"))
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assert.NoError(err)
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})
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t.Run("DeleteAll", func(t *testing.T) {
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err = db.DeleteAll()
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assert.NoError(err)
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})
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t.Run("Close", func(t *testing.T) {
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err = db.Close()
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assert.NoError(err)
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})
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}
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func TestDeleteAll(t *testing.T) {
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assert := assert.New(t)
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testdir, _ := ioutil.TempDir("", "bitcask")
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db, _ := Open(testdir)
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_ = db.Put([]byte("foo"), []byte("foo"))
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_ = db.Put([]byte("bar"), []byte("bar"))
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_ = db.Put([]byte("baz"), []byte("baz"))
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assert.Equal(3, db.Len())
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err := db.DeleteAll()
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assert.NoError(err)
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assert.Equal(0, db.Len())
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_, err = db.Get([]byte("foo"))
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assert.Equal(ErrKeyNotFound, err)
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_, err = db.Get([]byte("bar"))
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assert.Equal(ErrKeyNotFound, err)
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_, err = db.Get([]byte("baz"))
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assert.Equal(ErrKeyNotFound, err)
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}
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func TestReopen1(t *testing.T) {
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assert := assert.New(t)
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for i := 0; i < 10; i++ {
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testdir, _ := ioutil.TempDir("", "bitcask")
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db, _ := Open(testdir, WithMaxDatafileSize(1))
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_ = db.Put([]byte("foo"), []byte("bar"))
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_ = db.Put([]byte("foo"), []byte("bar1"))
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_ = db.Put([]byte("foo"), []byte("bar2"))
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_ = db.Put([]byte("foo"), []byte("bar3"))
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_ = db.Put([]byte("foo"), []byte("bar4"))
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_ = db.Put([]byte("foo"), []byte("bar5"))
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_ = db.Reopen()
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val, _ := db.Get([]byte("foo"))
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assert.Equal("bar5", string(val))
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}
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}
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func TestReopen(t *testing.T) {
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assert := assert.New(t)
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testdir, err := ioutil.TempDir("", "bitcask")
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assert.NoError(err)
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t.Run("Reopen", func(t *testing.T) {
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var (
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db *Bitcask
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err error
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)
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t.Run("Open", func(t *testing.T) {
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db, err = Open(testdir)
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assert.NoError(err)
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})
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t.Run("Put", func(t *testing.T) {
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err = db.Put([]byte("foo"), []byte("bar"))
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assert.NoError(err)
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})
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t.Run("PutWithTTL", func(t *testing.T) {
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err = db.PutWithTTL([]byte("bar"), []byte("baz"), 0)
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assert.NoError(err)
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})
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t.Run("Get", func(t *testing.T) {
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val, err := db.Get([]byte("foo"))
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assert.NoError(err)
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assert.Equal([]byte("bar"), val)
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})
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t.Run("Reopen", func(t *testing.T) {
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err = db.Reopen()
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assert.NoError(err)
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})
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t.Run("GetAfterReopen", func(t *testing.T) {
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val, err := db.Get([]byte("foo"))
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assert.NoError(err)
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assert.Equal([]byte("bar"), val)
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})
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t.Run("PutAfterReopen", func(t *testing.T) {
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err = db.Put([]byte("zzz"), []byte("foo"))
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assert.NoError(err)
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})
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t.Run("GetAfterReopenAndPut", func(t *testing.T) {
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val, err := db.Get([]byte("zzz"))
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assert.NoError(err)
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assert.Equal([]byte("foo"), val)
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})
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t.Run("GetExpiredKeyAfterReopen", func(t *testing.T) {
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val, err := db.Get([]byte("bar"))
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assert.Error(err)
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assert.Equal(ErrKeyExpired, err)
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assert.Nil(val)
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})
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t.Run("Close", func(t *testing.T) {
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err = db.Close()
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assert.NoError(err)
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})
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})
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}
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func TestDeletedKeys(t *testing.T) {
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assert := assert.New(t)
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testdir, err := ioutil.TempDir("", "bitcask")
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assert.NoError(err)
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t.Run("Setup", func(t *testing.T) {
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var (
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db *Bitcask
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err error
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)
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t.Run("Open", func(t *testing.T) {
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db, err = Open(testdir)
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assert.NoError(err)
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})
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t.Run("Put", func(t *testing.T) {
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err = db.Put([]byte("foo"), []byte("bar"))
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assert.NoError(err)
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})
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t.Run("Get", func(t *testing.T) {
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val, err := db.Get([]byte("foo"))
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assert.NoError(err)
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assert.Equal([]byte("bar"), val)
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})
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t.Run("Delete", func(t *testing.T) {
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err := db.Delete([]byte("foo"))
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assert.NoError(err)
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_, err = db.Get([]byte("foo"))
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assert.Error(err)
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assert.Equal(ErrKeyNotFound, err)
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})
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t.Run("Sync", func(t *testing.T) {
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err = db.Sync()
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assert.NoError(err)
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})
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t.Run("Close", func(t *testing.T) {
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err = db.Close()
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assert.NoError(err)
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})
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})
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t.Run("Reopen", func(t *testing.T) {
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var (
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db *Bitcask
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err error
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)
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t.Run("Open", func(t *testing.T) {
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db, err = Open(testdir)
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assert.NoError(err)
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})
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t.Run("Get", func(t *testing.T) {
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_, err = db.Get([]byte("foo"))
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assert.Error(err)
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assert.Equal(ErrKeyNotFound, err)
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})
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t.Run("Close", func(t *testing.T) {
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err = db.Close()
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assert.NoError(err)
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})
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})
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}
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func TestMetadata(t *testing.T) {
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assert := assert.New(t)
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testdir, err := ioutil.TempDir("", "bitcask")
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assert.NoError(err)
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defer os.RemoveAll(testdir)
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db, err := Open(testdir)
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assert.NoError(err)
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err = db.Put([]byte("foo"), []byte("bar"))
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assert.NoError(err)
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err = db.Close()
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assert.NoError(err)
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db, err = Open(testdir)
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assert.NoError(err)
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t.Run("IndexUptoDateAfterCloseAndOpen", func(t *testing.T) {
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assert.Equal(true, db.metadata.IndexUpToDate)
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})
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t.Run("IndexUptoDateAfterPut", func(t *testing.T) {
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assert.NoError(db.Put([]byte("foo1"), []byte("bar1")))
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assert.Equal(false, db.metadata.IndexUpToDate)
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})
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t.Run("Reclaimable", func(t *testing.T) {
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assert.Equal(int64(0), db.Reclaimable())
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})
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t.Run("ReclaimableAfterNewPut", func(t *testing.T) {
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assert.NoError(db.Put([]byte("hello"), []byte("world")))
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assert.Equal(int64(0), db.Reclaimable())
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})
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t.Run("ReclaimableAfterRepeatedPut", func(t *testing.T) {
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assert.NoError(db.Put([]byte("hello"), []byte("world")))
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assert.Equal(int64(34), db.Reclaimable())
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})
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t.Run("ReclaimableAfterDelete", func(t *testing.T) {
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assert.NoError(db.Delete([]byte("hello")))
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assert.Equal(int64(97), db.Reclaimable())
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})
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t.Run("ReclaimableAfterNonExistingDelete", func(t *testing.T) {
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assert.NoError(db.Delete([]byte("hello1")))
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assert.Equal(int64(97), db.Reclaimable())
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})
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t.Run("ReclaimableAfterDeleteAll", func(t *testing.T) {
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assert.NoError(db.DeleteAll())
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assert.Equal(int64(214), db.Reclaimable())
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})
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t.Run("ReclaimableAfterMerge", func(t *testing.T) {
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assert.NoError(db.Merge())
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assert.Equal(int64(0), db.Reclaimable())
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})
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t.Run("IndexUptoDateAfterMerge", func(t *testing.T) {
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assert.Equal(true, db.metadata.IndexUpToDate)
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})
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t.Run("ReclaimableAfterMergeAndDeleteAll", func(t *testing.T) {
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assert.NoError(db.DeleteAll())
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assert.Equal(int64(0), db.Reclaimable())
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})
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}
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|
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func TestConfigErrors(t *testing.T) {
|
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assert := assert.New(t)
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|
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t.Run("CorruptConfig", func(t *testing.T) {
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testdir, err := ioutil.TempDir("", "bitcask")
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assert.NoError(err)
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defer os.RemoveAll(testdir)
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|
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db, err := Open(testdir)
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assert.NoError(err)
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assert.NoError(db.Close())
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|
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assert.NoError(ioutil.WriteFile(filepath.Join(testdir, "config.json"), []byte("foo bar baz"), 0600))
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|
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_, err = Open(testdir)
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assert.Error(err)
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})
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|
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t.Run("BadConfigPath", func(t *testing.T) {
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testdir, err := ioutil.TempDir("", "bitcask")
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assert.NoError(err)
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defer os.RemoveAll(testdir)
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assert.NoError(os.Mkdir(filepath.Join(testdir, "config.json"), 0700))
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_, err = Open(testdir)
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assert.Error(err)
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})
|
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}
|
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|
|
func TestAutoRecovery(t *testing.T) {
|
|
withAutoRecovery := []bool{false, true}
|
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|
|
for _, autoRecovery := range withAutoRecovery {
|
|
t.Run(fmt.Sprintf("%v", autoRecovery), func(t *testing.T) {
|
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require := require.New(t)
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
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require.NoError(err)
|
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db, err := Open(testdir)
|
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require.NoError(err)
|
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|
|
// Insert 10 key-value pairs and verify all is ok.
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makeKeyVal := func(i int) ([]byte, []byte) {
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return []byte(fmt.Sprintf("foo%d", i)), []byte(fmt.Sprintf("bar%d", i))
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|
}
|
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n := 10
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for i := 0; i < n; i++ {
|
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key, val := makeKeyVal(i)
|
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err = db.Put(key, val)
|
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require.NoError(err)
|
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}
|
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for i := 0; i < n; i++ {
|
|
key, val := makeKeyVal(i)
|
|
rval, err := db.Get(key)
|
|
require.NoError(err)
|
|
require.Equal(val, rval)
|
|
}
|
|
err = db.Close()
|
|
require.NoError(err)
|
|
|
|
// Corrupt the last inserted key
|
|
f, err := os.OpenFile(path.Join(testdir, "000000000.data"), os.O_RDWR, 0755)
|
|
require.NoError(err)
|
|
fi, err := f.Stat()
|
|
require.NoError(err)
|
|
err = f.Truncate(fi.Size() - 1)
|
|
require.NoError(err)
|
|
err = f.Close()
|
|
require.NoError(err)
|
|
|
|
db, err = Open(testdir, WithAutoRecovery(autoRecovery))
|
|
t.Logf("err: %s", err)
|
|
require.NoError(err)
|
|
defer db.Close()
|
|
// Check that all values but the last are still intact.
|
|
for i := 0; i < 9; i++ {
|
|
key, val := makeKeyVal(i)
|
|
rval, err := db.Get(key)
|
|
require.NoError(err)
|
|
require.Equal(val, rval)
|
|
}
|
|
// Check the index has no more keys than non-corrupted ones.
|
|
// i.e: all but the last one.
|
|
numKeys := 0
|
|
for range db.Keys() {
|
|
numKeys++
|
|
}
|
|
if !autoRecovery {
|
|
// We are opening without autorepair, and thus are
|
|
// in a corrupted state. The index isn't coherent with
|
|
// the datafile.
|
|
require.Equal(n, numKeys)
|
|
return
|
|
}
|
|
|
|
require.Equal(n-1, numKeys, "The index should have n-1 keys")
|
|
|
|
// Double-check explicitly the corrupted one isn't here.
|
|
// This check is redundant considering the last two checks,
|
|
// but doesn't hurt.
|
|
corrKey, _ := makeKeyVal(9)
|
|
_, err = db.Get(corrKey)
|
|
require.Equal(ErrKeyNotFound, err)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestLoadIndexes(t *testing.T) {
|
|
assert := assert.New(t)
|
|
testdir, err1 := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err1)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
var db *Bitcask
|
|
var err error
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
for i := 0; i < 5; i++ {
|
|
key := fmt.Sprintf("key%d", i)
|
|
val := fmt.Sprintf("val%d", i)
|
|
err := db.Put([]byte(key), []byte(val))
|
|
assert.NoError(err)
|
|
}
|
|
for i := 0; i < 5; i++ {
|
|
key := fmt.Sprintf("foo%d", i)
|
|
val := fmt.Sprintf("bar%d", i)
|
|
err := db.PutWithTTL([]byte(key), []byte(val), time.Duration(i)*time.Second)
|
|
assert.NoError(err)
|
|
}
|
|
err = db.Close()
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("OpenAgain", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
assert.Equal(10, db.trie.Size())
|
|
assert.Equal(5, db.ttlIndex.Size())
|
|
})
|
|
}
|
|
|
|
func TestReIndex(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
var (
|
|
db *Bitcask
|
|
err error
|
|
)
|
|
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
err = db.Put([]byte("foo"), []byte("bar"))
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("PutWithExpiry", func(t *testing.T) {
|
|
err = db.PutWithTTL([]byte("bar"), []byte("baz"), 0)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("PutWithLargeExpiry", func(t *testing.T) {
|
|
err = db.PutWithTTL([]byte("bar1"), []byte("baz1"), time.Hour)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Get", func(t *testing.T) {
|
|
val, err := db.Get([]byte("foo"))
|
|
assert.NoError(err)
|
|
assert.Equal([]byte("bar"), val)
|
|
})
|
|
|
|
t.Run("Sync", func(t *testing.T) {
|
|
err = db.Sync()
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Close", func(t *testing.T) {
|
|
err = db.Close()
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("DeleteIndex", func(t *testing.T) {
|
|
err := os.Remove(filepath.Join(testdir, "index"))
|
|
assert.NoError(err)
|
|
err = os.Remove(filepath.Join(testdir, ttlIndexFile))
|
|
assert.NoError(err)
|
|
})
|
|
})
|
|
|
|
t.Run("Reopen", func(t *testing.T) {
|
|
var (
|
|
db *Bitcask
|
|
err error
|
|
)
|
|
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Get", func(t *testing.T) {
|
|
val, err := db.Get([]byte("foo"))
|
|
assert.NoError(err)
|
|
assert.Equal([]byte("bar"), val)
|
|
})
|
|
|
|
t.Run("GetKeyWithExpiry", func(t *testing.T) {
|
|
val, err := db.Get([]byte("bar"))
|
|
assert.Error(err)
|
|
assert.Equal(ErrKeyExpired, err)
|
|
assert.Nil(val)
|
|
val, err = db.Get([]byte("bar1"))
|
|
assert.NoError(err)
|
|
assert.Equal([]byte("baz1"), val)
|
|
})
|
|
|
|
t.Run("Close", func(t *testing.T) {
|
|
err = db.Close()
|
|
assert.NoError(err)
|
|
})
|
|
})
|
|
}
|
|
|
|
func TestReIndexDeletedKeys(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
var (
|
|
db *Bitcask
|
|
err error
|
|
)
|
|
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
err = db.Put([]byte("foo"), []byte("bar"))
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Get", func(t *testing.T) {
|
|
val, err := db.Get([]byte("foo"))
|
|
assert.NoError(err)
|
|
assert.Equal([]byte("bar"), val)
|
|
})
|
|
|
|
t.Run("Delete", func(t *testing.T) {
|
|
err := db.Delete([]byte("foo"))
|
|
assert.NoError(err)
|
|
_, err = db.Get([]byte("foo"))
|
|
assert.Error(err)
|
|
assert.Equal(ErrKeyNotFound, err)
|
|
})
|
|
|
|
t.Run("Sync", func(t *testing.T) {
|
|
err = db.Sync()
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Close", func(t *testing.T) {
|
|
err = db.Close()
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("DeleteIndex", func(t *testing.T) {
|
|
err := os.Remove(filepath.Join(testdir, "index"))
|
|
assert.NoError(err)
|
|
})
|
|
})
|
|
|
|
t.Run("Reopen", func(t *testing.T) {
|
|
var (
|
|
db *Bitcask
|
|
err error
|
|
)
|
|
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Get", func(t *testing.T) {
|
|
_, err := db.Get([]byte("foo"))
|
|
assert.Error(err)
|
|
assert.Equal(ErrKeyNotFound, err)
|
|
})
|
|
|
|
t.Run("Close", func(t *testing.T) {
|
|
err = db.Close()
|
|
assert.NoError(err)
|
|
})
|
|
})
|
|
}
|
|
|
|
func TestSync(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
var db *Bitcask
|
|
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir, WithSync(true))
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
key := []byte(strings.Repeat(" ", 17))
|
|
value := []byte("foobar")
|
|
err = db.Put(key, value)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
err = db.Put([]byte("hello"), []byte("world"))
|
|
assert.NoError(err)
|
|
})
|
|
}
|
|
|
|
func TestMaxKeySize(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
var db *Bitcask
|
|
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir, WithMaxKeySize(16))
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
key := []byte(strings.Repeat(" ", 17))
|
|
value := []byte("foobar")
|
|
err = db.Put(key, value)
|
|
assert.Error(err)
|
|
assert.Equal(ErrKeyTooLarge, err)
|
|
})
|
|
}
|
|
|
|
func TestMaxValueSize(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
var db *Bitcask
|
|
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir, WithMaxValueSize(16))
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
key := []byte("foo")
|
|
value := []byte(strings.Repeat(" ", 17))
|
|
err = db.Put(key, value)
|
|
assert.Error(err)
|
|
assert.Equal(ErrValueTooLarge, err)
|
|
})
|
|
}
|
|
|
|
func TestStats(t *testing.T) {
|
|
var (
|
|
db *Bitcask
|
|
err error
|
|
)
|
|
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
err := db.Put([]byte("foo"), []byte("bar"))
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Get", func(t *testing.T) {
|
|
val, err := db.Get([]byte("foo"))
|
|
assert.NoError(err)
|
|
assert.Equal([]byte("bar"), val)
|
|
})
|
|
|
|
t.Run("Stats", func(t *testing.T) {
|
|
stats, err := db.Stats()
|
|
assert.NoError(err)
|
|
assert.Equal(stats.Datafiles, 0)
|
|
assert.Equal(stats.Keys, 1)
|
|
})
|
|
|
|
t.Run("Sync", func(t *testing.T) {
|
|
err = db.Sync()
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Close", func(t *testing.T) {
|
|
err = db.Close()
|
|
assert.NoError(err)
|
|
})
|
|
})
|
|
}
|
|
|
|
func TestStatsError(t *testing.T) {
|
|
var (
|
|
db *Bitcask
|
|
err error
|
|
)
|
|
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
err := db.Put([]byte("foo"), []byte("bar"))
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Get", func(t *testing.T) {
|
|
val, err := db.Get([]byte("foo"))
|
|
assert.NoError(err)
|
|
assert.Equal([]byte("bar"), val)
|
|
})
|
|
|
|
t.Run("Stats", func(t *testing.T) {
|
|
stats, err := db.Stats()
|
|
assert.NoError(err)
|
|
assert.Equal(stats.Datafiles, 0)
|
|
assert.Equal(stats.Keys, 1)
|
|
})
|
|
})
|
|
|
|
t.Run("Test", func(t *testing.T) {
|
|
t.Run("FabricatedDestruction", func(t *testing.T) {
|
|
// This would never happen in reality :D
|
|
// Or would it? :)
|
|
err = os.RemoveAll(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Stats", func(t *testing.T) {
|
|
_, err := db.Stats()
|
|
assert.Error(err)
|
|
})
|
|
})
|
|
}
|
|
|
|
func TestDirFileModeBeforeUmask(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
t.Run("Default DirFileModeBeforeUmask is 0700", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
embeddedDir := filepath.Join(testdir, "cache")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
defaultTestMode := os.FileMode(0700)
|
|
|
|
db, err := Open(embeddedDir)
|
|
assert.NoError(err)
|
|
defer db.Close()
|
|
err = filepath.Walk(testdir, func(path string, info os.FileInfo, err error) error {
|
|
// skip the root directory
|
|
if path == testdir {
|
|
return nil
|
|
}
|
|
if info.IsDir() {
|
|
// perms for directory on disk are filtered through defaultTestMode, AND umask of user running test.
|
|
// this means the mkdir calls can only FURTHER restrict permissions, not grant more (preventing escalatation).
|
|
// to make this test OS agnostic, we'll skip using golang.org/x/sys/unix, inferring umask via XOR and AND NOT.
|
|
|
|
// create anotherDir with allPerms - to infer umask
|
|
anotherDir := filepath.Join(testdir, "temp")
|
|
err := os.Mkdir(anotherDir, os.ModePerm)
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(anotherDir)
|
|
|
|
anotherStat, err := os.Stat(anotherDir)
|
|
assert.NoError(err)
|
|
|
|
// infer umask from anotherDir
|
|
umask := os.ModePerm ^ (anotherStat.Mode() & os.ModePerm)
|
|
|
|
assert.Equal(info.Mode()&os.ModePerm, defaultTestMode&^umask)
|
|
}
|
|
return nil
|
|
})
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Dir FileModeBeforeUmask is set via options for all subdirectories", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
embeddedDir := filepath.Join(testdir, "cache")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
testMode := os.FileMode(0713)
|
|
|
|
db, err := Open(embeddedDir, WithDirFileModeBeforeUmask(testMode))
|
|
assert.NoError(err)
|
|
defer db.Close()
|
|
err = filepath.Walk(testdir, func(path string, info os.FileInfo, err error) error {
|
|
// skip the root directory
|
|
if path == testdir {
|
|
return nil
|
|
}
|
|
if info.IsDir() {
|
|
// create anotherDir with allPerms - to infer umask
|
|
anotherDir := filepath.Join(testdir, "temp")
|
|
err := os.Mkdir(anotherDir, os.ModePerm)
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(anotherDir)
|
|
|
|
anotherStat, _ := os.Stat(anotherDir)
|
|
|
|
// infer umask from anotherDir
|
|
umask := os.ModePerm ^ (anotherStat.Mode() & os.ModePerm)
|
|
|
|
assert.Equal(info.Mode()&os.ModePerm, testMode&^umask)
|
|
}
|
|
return nil
|
|
})
|
|
assert.NoError(err)
|
|
})
|
|
|
|
})
|
|
}
|
|
|
|
func TestFileFileModeBeforeUmask(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
t.Run("Default File FileModeBeforeUmask is 0600", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
defaultTestMode := os.FileMode(0600)
|
|
|
|
db, err := Open(testdir)
|
|
assert.NoError(err)
|
|
defer db.Close()
|
|
err = filepath.Walk(testdir, func(path string, info os.FileInfo, err error) error {
|
|
if !info.IsDir() {
|
|
// the lock file is set within Flock, so ignore it
|
|
if filepath.Base(path) == "lock" {
|
|
return nil
|
|
}
|
|
// create aFile with allPerms - to infer umask
|
|
aFilePath := filepath.Join(testdir, "temp")
|
|
_, err := os.OpenFile(aFilePath, os.O_CREATE, os.ModePerm)
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(aFilePath)
|
|
|
|
fileStat, _ := os.Stat(aFilePath)
|
|
|
|
// infer umask from anotherDir
|
|
umask := os.ModePerm ^ (fileStat.Mode() & os.ModePerm)
|
|
|
|
assert.Equal(info.Mode()&os.ModePerm, defaultTestMode&^umask)
|
|
}
|
|
return nil
|
|
})
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("File FileModeBeforeUmask is set via options for all files", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
testMode := os.FileMode(0673)
|
|
|
|
db, err := Open(testdir, WithFileFileModeBeforeUmask(testMode))
|
|
assert.NoError(err)
|
|
defer db.Close()
|
|
err = filepath.Walk(testdir, func(path string, info os.FileInfo, err error) error {
|
|
if !info.IsDir() {
|
|
// the lock file is set within Flock, so ignore it
|
|
if filepath.Base(path) == "lock" {
|
|
return nil
|
|
}
|
|
// create aFile with allPerms - to infer umask
|
|
aFilePath := filepath.Join(testdir, "temp")
|
|
_, err := os.OpenFile(aFilePath, os.O_CREATE, os.ModePerm)
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(aFilePath)
|
|
|
|
fileStat, _ := os.Stat(aFilePath)
|
|
|
|
// infer umask from anotherDir
|
|
umask := os.ModePerm ^ (fileStat.Mode() & os.ModePerm)
|
|
|
|
assert.Equal(info.Mode()&os.ModePerm, testMode&^umask)
|
|
}
|
|
return nil
|
|
})
|
|
assert.NoError(err)
|
|
})
|
|
})
|
|
}
|
|
|
|
func TestMaxDatafileSize(t *testing.T) {
|
|
var (
|
|
db *Bitcask
|
|
err error
|
|
)
|
|
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir, WithMaxDatafileSize(32))
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
err := db.Put([]byte("foo"), []byte("bar"))
|
|
assert.NoError(err)
|
|
})
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
for i := 0; i < 10; i++ {
|
|
err := db.Put([]byte(fmt.Sprintf("key_%d", i)), []byte("bar"))
|
|
assert.NoError(err)
|
|
}
|
|
})
|
|
|
|
t.Run("Sync", func(t *testing.T) {
|
|
err = db.Sync()
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Get", func(t *testing.T) {
|
|
val, err := db.Get([]byte("foo"))
|
|
assert.NoError(err)
|
|
assert.Equal([]byte("bar"), val)
|
|
|
|
for i := 0; i < 10; i++ {
|
|
val, err = db.Get([]byte(fmt.Sprintf("key_%d", i)))
|
|
assert.NoError(err)
|
|
assert.Equal([]byte("bar"), val)
|
|
}
|
|
})
|
|
|
|
t.Run("Close", func(t *testing.T) {
|
|
err = db.Close()
|
|
assert.NoError(err)
|
|
})
|
|
}
|
|
|
|
func TestMerge(t *testing.T) {
|
|
var (
|
|
db *Bitcask
|
|
err error
|
|
)
|
|
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir, WithMaxDatafileSize(32))
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
err := db.Put([]byte("foo"), []byte("bar"))
|
|
assert.NoError(err)
|
|
})
|
|
|
|
s1, err := db.Stats()
|
|
assert.NoError(err)
|
|
assert.Equal(0, s1.Datafiles)
|
|
assert.Equal(1, s1.Keys)
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
for i := 0; i < 10; i++ {
|
|
err := db.Put([]byte("foo"), []byte("bar"))
|
|
assert.NoError(err)
|
|
}
|
|
})
|
|
|
|
s2, err := db.Stats()
|
|
assert.NoError(err)
|
|
assert.Equal(5, s2.Datafiles)
|
|
assert.Equal(1, s2.Keys)
|
|
assert.True(s2.Size > s1.Size)
|
|
|
|
t.Run("Merge", func(t *testing.T) {
|
|
err := db.Merge()
|
|
assert.NoError(err)
|
|
})
|
|
|
|
s3, err := db.Stats()
|
|
assert.NoError(err)
|
|
assert.Equal(2, s3.Datafiles)
|
|
assert.Equal(1, s3.Keys)
|
|
assert.True(s3.Size > s1.Size)
|
|
assert.True(s3.Size < s2.Size)
|
|
|
|
t.Run("Sync", func(t *testing.T) {
|
|
err = db.Sync()
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Close", func(t *testing.T) {
|
|
err = db.Close()
|
|
assert.NoError(err)
|
|
})
|
|
})
|
|
}
|
|
|
|
func TestGetErrors(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
t.Run("ReadError", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
db, err := Open(testdir, WithMaxDatafileSize(32))
|
|
assert.NoError(err)
|
|
|
|
err = db.Put([]byte("foo"), []byte("bar"))
|
|
assert.NoError(err)
|
|
|
|
mockDatafile := new(mocks.Datafile)
|
|
mockDatafile.On("FileID").Return(0)
|
|
mockDatafile.On("ReadAt", int64(0), int64(30)).Return(
|
|
internal.Entry{},
|
|
ErrMockError,
|
|
)
|
|
db.curr = mockDatafile
|
|
|
|
_, err = db.Get([]byte("foo"))
|
|
assert.Error(err)
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
|
|
t.Run("ChecksumError", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
db, err := Open(testdir, WithMaxDatafileSize(40))
|
|
assert.NoError(err)
|
|
|
|
err = db.Put([]byte("foo"), []byte("bar"))
|
|
assert.NoError(err)
|
|
|
|
mockDatafile := new(mocks.Datafile)
|
|
mockDatafile.On("FileID").Return(0)
|
|
mockDatafile.On("ReadAt", int64(0), int64(30)).Return(
|
|
internal.Entry{
|
|
Checksum: 0x0,
|
|
Key: []byte("foo"),
|
|
Offset: 0,
|
|
Value: []byte("bar"),
|
|
},
|
|
nil,
|
|
)
|
|
db.curr = mockDatafile
|
|
|
|
_, err = db.Get([]byte("foo"))
|
|
assert.Error(err)
|
|
assert.Equal(ErrChecksumFailed, err)
|
|
})
|
|
|
|
}
|
|
|
|
func TestPutBorderCases(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
t.Run("EmptyValue", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
db, err := Open(testdir)
|
|
assert.NoError(err)
|
|
|
|
err = db.Put([]byte("alice"), nil)
|
|
assert.NoError(err)
|
|
z, err := db.Get([]byte("alice"))
|
|
assert.NoError(err)
|
|
assert.Empty(z)
|
|
})
|
|
}
|
|
|
|
func TestPutErrors(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
t.Run("WriteError", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
db, err := Open(testdir)
|
|
assert.NoError(err)
|
|
|
|
mockDatafile := new(mocks.Datafile)
|
|
mockDatafile.On("Size").Return(int64(0))
|
|
mockDatafile.On(
|
|
"Write",
|
|
internal.Entry{
|
|
Checksum: 0x76ff8caa,
|
|
Key: []byte("foo"),
|
|
Offset: 0,
|
|
Value: []byte("bar"),
|
|
},
|
|
).Return(int64(0), int64(0), ErrMockError)
|
|
db.curr = mockDatafile
|
|
|
|
err = db.Put([]byte("foo"), []byte("bar"))
|
|
assert.Error(err)
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
|
|
t.Run("SyncError", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
db, err := Open(testdir, WithSync(true))
|
|
assert.NoError(err)
|
|
|
|
mockDatafile := new(mocks.Datafile)
|
|
mockDatafile.On("Size").Return(int64(0))
|
|
mockDatafile.On(
|
|
"Write",
|
|
internal.Entry{
|
|
Checksum: 0x78240498,
|
|
Key: []byte("bar"),
|
|
Offset: 0,
|
|
Value: []byte("baz"),
|
|
},
|
|
).Return(int64(0), int64(0), nil)
|
|
mockDatafile.On("Sync").Return(ErrMockError)
|
|
db.curr = mockDatafile
|
|
|
|
err = db.Put([]byte("bar"), []byte("baz"))
|
|
assert.Error(err)
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
|
|
t.Run("EmptyKey", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
db, err := Open(testdir)
|
|
assert.NoError(err)
|
|
err = db.Put(nil, []byte("hello"))
|
|
assert.Equal(ErrEmptyKey, err)
|
|
|
|
})
|
|
|
|
}
|
|
|
|
func TestOpenErrors(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
t.Run("BadPath", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
assert.NoError(ioutil.WriteFile(filepath.Join(testdir, "foo"), []byte("foo"), 0600))
|
|
|
|
_, err = Open(filepath.Join(testdir, "foo", "tmp.db"))
|
|
assert.Error(err)
|
|
})
|
|
|
|
t.Run("BadOption", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
withBogusOption := func() Option {
|
|
return func(cfg *config.Config) error {
|
|
return errors.New("mocked error")
|
|
}
|
|
}
|
|
|
|
_, err = Open(testdir, withBogusOption())
|
|
assert.Error(err)
|
|
})
|
|
|
|
t.Run("LoadDatafilesError", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
db, err := Open(testdir)
|
|
assert.NoError(err)
|
|
|
|
err = db.Put([]byte("foo"), []byte("bar"))
|
|
assert.NoError(err)
|
|
|
|
err = db.Close()
|
|
assert.NoError(err)
|
|
|
|
// Simulate some horrible that happened to the datafiles!
|
|
err = os.Rename(filepath.Join(testdir, "000000000.data"), filepath.Join(testdir, "000000000xxx.data"))
|
|
assert.NoError(err)
|
|
|
|
_, err = Open(testdir)
|
|
assert.Error(err)
|
|
assert.Equal("strconv.ParseInt: parsing \"000000000xxx\": invalid syntax", err.Error())
|
|
})
|
|
}
|
|
|
|
func TestCloseErrors(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
t.Run("CloseIndexError", func(t *testing.T) {
|
|
db, err := Open(testdir, WithMaxDatafileSize(32))
|
|
assert.NoError(err)
|
|
|
|
mockIndexer := new(mocks.Indexer)
|
|
mockIndexer.On("Save", db.trie, filepath.Join(db.path, "temp_index")).Return(ErrMockError)
|
|
db.indexer = mockIndexer
|
|
|
|
err = db.Close()
|
|
assert.Error(err)
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
|
|
t.Run("CloseDatafilesError", func(t *testing.T) {
|
|
db, err := Open(testdir, WithMaxDatafileSize(32))
|
|
assert.NoError(err)
|
|
|
|
mockDatafile := new(mocks.Datafile)
|
|
mockDatafile.On("Close").Return(ErrMockError)
|
|
db.datafiles[0] = mockDatafile
|
|
|
|
err = db.Close()
|
|
assert.Error(err)
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
|
|
t.Run("CloseActiveDatafileError", func(t *testing.T) {
|
|
db, err := Open(testdir, WithMaxDatafileSize(32))
|
|
assert.NoError(err)
|
|
|
|
mockDatafile := new(mocks.Datafile)
|
|
mockDatafile.On("Close").Return(ErrMockError)
|
|
db.curr = mockDatafile
|
|
|
|
err = db.Close()
|
|
assert.Error(err)
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
}
|
|
|
|
func TestDeleteErrors(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
t.Run("WriteError", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
db, err := Open(testdir, WithMaxDatafileSize(32))
|
|
assert.NoError(err)
|
|
|
|
err = db.Put([]byte("foo"), []byte("bar"))
|
|
assert.NoError(err)
|
|
|
|
mockDatafile := new(mocks.Datafile)
|
|
mockDatafile.On("Size").Return(int64(0))
|
|
mockDatafile.On(
|
|
"Write",
|
|
internal.Entry{
|
|
Checksum: 0x0,
|
|
Key: []byte("foo"),
|
|
Offset: 0,
|
|
Value: []byte{},
|
|
},
|
|
).Return(int64(0), int64(0), ErrMockError)
|
|
db.curr = mockDatafile
|
|
|
|
err = db.Delete([]byte("foo"))
|
|
assert.Error(err)
|
|
})
|
|
}
|
|
|
|
func TestMergeErrors(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
t.Run("RemoveDatabaseDirectory", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
db, err := Open(testdir, WithMaxDatafileSize(32))
|
|
assert.NoError(err)
|
|
|
|
assert.NoError(os.RemoveAll(testdir))
|
|
|
|
err = db.Merge()
|
|
assert.Error(err)
|
|
})
|
|
|
|
t.Run("EmptyCloseError", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
db, err := Open(testdir)
|
|
assert.NoError(err)
|
|
|
|
mockDatafile := new(mocks.Datafile)
|
|
mockDatafile.On("Close").Return(ErrMockError)
|
|
db.curr = mockDatafile
|
|
|
|
err = db.Merge()
|
|
assert.Error(err)
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
|
|
t.Run("ReadError", func(t *testing.T) {
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
defer os.RemoveAll(testdir)
|
|
|
|
db, err := Open(testdir, WithMaxDatafileSize(22))
|
|
assert.NoError(err)
|
|
|
|
assert.NoError(db.Put([]byte("foo"), []byte("bar")))
|
|
assert.NoError(db.Put([]byte("bar"), []byte("baz")))
|
|
|
|
mockDatafile := new(mocks.Datafile)
|
|
mockDatafile.On("Close").Return(nil)
|
|
mockDatafile.On("ReadAt", int64(0), int64(30)).Return(
|
|
internal.Entry{},
|
|
ErrMockError,
|
|
)
|
|
db.datafiles[0] = mockDatafile
|
|
|
|
err = db.Merge()
|
|
assert.Error(err)
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
|
|
}
|
|
|
|
func TestConcurrent(t *testing.T) {
|
|
var (
|
|
db *Bitcask
|
|
err error
|
|
)
|
|
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
err = db.Put([]byte("foo"), []byte("bar"))
|
|
assert.NoError(err)
|
|
})
|
|
})
|
|
|
|
t.Run("Concurrent", func(t *testing.T) {
|
|
t.Run("Put", func(t *testing.T) {
|
|
f := func(wg *sync.WaitGroup, x int) {
|
|
defer func() {
|
|
wg.Done()
|
|
}()
|
|
for i := 0; i <= 100; i++ {
|
|
if i%x == 0 {
|
|
key := []byte(fmt.Sprintf("k%d", i))
|
|
value := []byte(fmt.Sprintf("v%d", i))
|
|
err := db.Put(key, value)
|
|
assert.NoError(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
wg := &sync.WaitGroup{}
|
|
wg.Add(3)
|
|
|
|
go f(wg, 2)
|
|
go f(wg, 3)
|
|
go f(wg, 5)
|
|
|
|
wg.Wait()
|
|
})
|
|
|
|
t.Run("Get", func(t *testing.T) {
|
|
f := func(wg *sync.WaitGroup, N int) {
|
|
defer func() {
|
|
wg.Done()
|
|
}()
|
|
for i := 0; i <= N; i++ {
|
|
value, err := db.Get([]byte("foo"))
|
|
assert.NoError(err)
|
|
assert.Equal([]byte("bar"), value)
|
|
}
|
|
}
|
|
|
|
wg := &sync.WaitGroup{}
|
|
wg.Add(3)
|
|
go f(wg, 100)
|
|
go f(wg, 100)
|
|
go f(wg, 100)
|
|
|
|
wg.Wait()
|
|
})
|
|
|
|
// Test concurrent Put() with concurrent Scan()
|
|
t.Run("PutScan", func(t *testing.T) {
|
|
doPut := func(wg *sync.WaitGroup, x int) {
|
|
defer func() {
|
|
wg.Done()
|
|
}()
|
|
for i := 0; i <= 100; i++ {
|
|
if i%x == 0 {
|
|
key := []byte(fmt.Sprintf("k%d", i))
|
|
value := []byte(fmt.Sprintf("v%d", i))
|
|
err := db.Put(key, value)
|
|
assert.NoError(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
doScan := func(wg *sync.WaitGroup, x int) {
|
|
defer func() {
|
|
wg.Done()
|
|
}()
|
|
for i := 0; i <= 100; i++ {
|
|
if i%x == 0 {
|
|
err := db.Scan([]byte("k"), func(key []byte) error {
|
|
return nil
|
|
})
|
|
assert.NoError(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
wg := &sync.WaitGroup{}
|
|
wg.Add(6)
|
|
|
|
go doPut(wg, 2)
|
|
go doPut(wg, 3)
|
|
go doPut(wg, 5)
|
|
go doScan(wg, 1)
|
|
go doScan(wg, 2)
|
|
go doScan(wg, 4)
|
|
|
|
wg.Wait()
|
|
})
|
|
|
|
// XXX: This has data races
|
|
/* Test concurrent Scan() with concurrent Merge()
|
|
t.Run("ScanMerge", func(t *testing.T) {
|
|
doScan := func(wg *sync.WaitGroup, x int) {
|
|
defer func() {
|
|
wg.Done()
|
|
}()
|
|
for i := 0; i <= 100; i++ {
|
|
if i%x == 0 {
|
|
err := db.Scan([]byte("k"), func(key []byte) error {
|
|
return nil
|
|
})
|
|
assert.NoError(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
doMerge := func(wg *sync.WaitGroup, x int) {
|
|
defer func() {
|
|
wg.Done()
|
|
}()
|
|
for i := 0; i <= 100; i++ {
|
|
if i%x == 0 {
|
|
err := db.Merge()
|
|
assert.NoError(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
wg := &sync.WaitGroup{}
|
|
wg.Add(6)
|
|
|
|
go doScan(wg, 2)
|
|
go doScan(wg, 3)
|
|
go doScan(wg, 5)
|
|
go doMerge(wg, 1)
|
|
go doMerge(wg, 2)
|
|
go doMerge(wg, 4)
|
|
|
|
wg.Wait()
|
|
})
|
|
*/
|
|
|
|
t.Run("Close", func(t *testing.T) {
|
|
err = db.Close()
|
|
assert.NoError(err)
|
|
})
|
|
})
|
|
}
|
|
|
|
func TestSift(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
var db *Bitcask
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
var items = map[string][]byte{
|
|
"1": []byte("1"),
|
|
"2": []byte("2"),
|
|
"3": []byte("3"),
|
|
"food": []byte("pizza"),
|
|
"foo": []byte([]byte("foo")),
|
|
"fooz": []byte("fooz ball"),
|
|
"hello": []byte("world"),
|
|
}
|
|
for k, v := range items {
|
|
err = db.Put([]byte(k), v)
|
|
assert.NoError(err)
|
|
}
|
|
})
|
|
})
|
|
|
|
t.Run("SiftErrors", func(t *testing.T) {
|
|
err = db.Sift(func(key []byte) (bool, error) {
|
|
return false, ErrMockError
|
|
})
|
|
assert.Equal(ErrMockError, err)
|
|
|
|
err = db.SiftScan([]byte("fo"), func(key []byte) (bool, error) {
|
|
return true, ErrMockError
|
|
})
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
}
|
|
func TestSiftScan(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
var db *Bitcask
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
var items = map[string][]byte{
|
|
"1": []byte("1"),
|
|
"2": []byte("2"),
|
|
"3": []byte("3"),
|
|
"food": []byte("pizza"),
|
|
"foo": []byte([]byte("foo")),
|
|
"fooz": []byte("fooz ball"),
|
|
"hello": []byte("world"),
|
|
}
|
|
for k, v := range items {
|
|
err = db.Put([]byte(k), v)
|
|
assert.NoError(err)
|
|
}
|
|
})
|
|
})
|
|
|
|
t.Run("SiftScanErrors", func(t *testing.T) {
|
|
err = db.SiftScan([]byte("fo"), func(key []byte) (bool, error) {
|
|
return false, ErrMockError
|
|
})
|
|
assert.Equal(ErrMockError, err)
|
|
|
|
err = db.SiftScan([]byte("fo"), func(key []byte) (bool, error) {
|
|
return true, ErrMockError
|
|
})
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
}
|
|
|
|
func TestScan(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
var db *Bitcask
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
var items = map[string][]byte{
|
|
"1": []byte("1"),
|
|
"2": []byte("2"),
|
|
"3": []byte("3"),
|
|
"food": []byte("pizza"),
|
|
"foo": []byte([]byte("foo")),
|
|
"fooz": []byte("fooz ball"),
|
|
"hello": []byte("world"),
|
|
}
|
|
for k, v := range items {
|
|
err = db.Put([]byte(k), v)
|
|
assert.NoError(err)
|
|
}
|
|
})
|
|
})
|
|
|
|
t.Run("Scan", func(t *testing.T) {
|
|
var (
|
|
vals [][]byte
|
|
expected = [][]byte{
|
|
[]byte("foo"),
|
|
[]byte("fooz ball"),
|
|
[]byte("pizza"),
|
|
}
|
|
)
|
|
|
|
err = db.Scan([]byte("fo"), func(key []byte) error {
|
|
val, err := db.Get(key)
|
|
assert.NoError(err)
|
|
vals = append(vals, val)
|
|
return nil
|
|
})
|
|
vals = SortByteArrays(vals)
|
|
assert.Equal(expected, vals)
|
|
})
|
|
|
|
t.Run("ScanErrors", func(t *testing.T) {
|
|
err = db.Scan([]byte("fo"), func(key []byte) error {
|
|
return ErrMockError
|
|
})
|
|
assert.Error(err)
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
}
|
|
func TestSiftRange(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
var db *Bitcask
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
for i := 1; i < 10; i++ {
|
|
key := []byte(fmt.Sprintf("foo_%d", i))
|
|
val := []byte(fmt.Sprintf("%d", i))
|
|
err = db.Put(key, val)
|
|
assert.NoError(err)
|
|
}
|
|
})
|
|
})
|
|
|
|
t.Run("SiftRange", func(t *testing.T) {
|
|
var (
|
|
vals [][]byte
|
|
expected = [][]byte{
|
|
[]byte("1"),
|
|
[]byte("2"),
|
|
[]byte("4"),
|
|
[]byte("5"),
|
|
[]byte("6"),
|
|
[]byte("7"),
|
|
[]byte("8"),
|
|
[]byte("9"),
|
|
}
|
|
)
|
|
|
|
err = db.SiftRange([]byte("foo_3"), []byte("foo_7"), func(key []byte) (bool, error) {
|
|
val, err := db.Get(key)
|
|
assert.NoError(err)
|
|
if string(val) == "3" {
|
|
return true, nil
|
|
}
|
|
return false, nil
|
|
})
|
|
err = db.Fold(func(key []byte) error {
|
|
val, err := db.Get(key)
|
|
assert.NoError(err)
|
|
vals = append(vals, val)
|
|
|
|
return nil
|
|
})
|
|
|
|
_, err = db.Get([]byte("foo_3"))
|
|
assert.Equal(ErrKeyNotFound, err)
|
|
vals = SortByteArrays(vals)
|
|
assert.Equal(expected, vals)
|
|
})
|
|
|
|
t.Run("SiftRangeErrors", func(t *testing.T) {
|
|
err = db.SiftRange([]byte("foo_3"), []byte("foo_7"), func(key []byte) (bool, error) {
|
|
return true, ErrMockError
|
|
})
|
|
assert.Error(err)
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
|
|
t.Run("InvalidRange", func(t *testing.T) {
|
|
err = db.SiftRange([]byte("foo_3"), []byte("foo_1"), func(key []byte) (bool, error) {
|
|
return false, nil
|
|
})
|
|
assert.Error(err)
|
|
assert.Equal(ErrInvalidRange, err)
|
|
})
|
|
}
|
|
|
|
func TestRange(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
var db *Bitcask
|
|
|
|
t.Run("Setup", func(t *testing.T) {
|
|
t.Run("Open", func(t *testing.T) {
|
|
db, err = Open(testdir)
|
|
assert.NoError(err)
|
|
})
|
|
|
|
t.Run("Put", func(t *testing.T) {
|
|
for i := 1; i < 10; i++ {
|
|
key := []byte(fmt.Sprintf("foo_%d", i))
|
|
val := []byte(fmt.Sprintf("%d", i))
|
|
err = db.Put(key, val)
|
|
assert.NoError(err)
|
|
}
|
|
})
|
|
})
|
|
|
|
t.Run("Range", func(t *testing.T) {
|
|
var (
|
|
vals [][]byte
|
|
expected = [][]byte{
|
|
[]byte("3"),
|
|
[]byte("4"),
|
|
[]byte("5"),
|
|
[]byte("6"),
|
|
[]byte("7"),
|
|
}
|
|
)
|
|
|
|
err = db.Range([]byte("foo_3"), []byte("foo_7"), func(key []byte) error {
|
|
val, err := db.Get(key)
|
|
assert.NoError(err)
|
|
vals = append(vals, val)
|
|
return nil
|
|
})
|
|
vals = SortByteArrays(vals)
|
|
assert.Equal(expected, vals)
|
|
})
|
|
|
|
t.Run("RangeErrors", func(t *testing.T) {
|
|
err = db.Range([]byte("foo_3"), []byte("foo_7"), func(key []byte) error {
|
|
return ErrMockError
|
|
})
|
|
assert.Error(err)
|
|
assert.Equal(ErrMockError, err)
|
|
})
|
|
|
|
t.Run("InvalidRange", func(t *testing.T) {
|
|
err = db.Range([]byte("foo_3"), []byte("foo_1"), func(key []byte) error {
|
|
return nil
|
|
})
|
|
assert.Error(err)
|
|
assert.Equal(ErrInvalidRange, err)
|
|
})
|
|
}
|
|
|
|
func TestLocking(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
db, err := Open(testdir)
|
|
assert.NoError(err)
|
|
defer db.Close()
|
|
|
|
_, err = Open(testdir)
|
|
assert.Error(err)
|
|
}
|
|
|
|
func TestLockingAfterMerge(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
db, err := Open(testdir)
|
|
assert.NoError(err)
|
|
defer db.Close()
|
|
|
|
_, err = Open(testdir)
|
|
assert.Error(err)
|
|
|
|
err = db.Merge()
|
|
assert.NoError(err)
|
|
|
|
// This should still error.
|
|
_, err = Open(testdir)
|
|
assert.Error(err)
|
|
}
|
|
|
|
func TestGetExpiredInsideFold(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
db, err := Open(testdir)
|
|
assert.NoError(err)
|
|
defer db.Close()
|
|
// Add a node to the tree that won't expire
|
|
db.Put([]byte("static"), []byte("static"))
|
|
// Add a node that expires almost immediately to the tree
|
|
db.PutWithTTL([]byte("shortLived"), []byte("shortLived"), 1*time.Millisecond)
|
|
db.Put([]byte("skipped"), []byte("skipped"))
|
|
db.Put([]byte("static2"), []byte("static2"))
|
|
time.Sleep(2 * time.Millisecond)
|
|
var arr []string
|
|
_ = db.Fold(func(key []byte) error {
|
|
val, err := db.Get(key)
|
|
switch string(key) {
|
|
case "skipped":
|
|
fallthrough
|
|
case "static2":
|
|
fallthrough
|
|
case "static":
|
|
assert.NoError(err)
|
|
assert.Equal(string(val), string(key))
|
|
case "shortLived":
|
|
assert.Error(err)
|
|
}
|
|
arr = append(arr, string(val))
|
|
return nil
|
|
})
|
|
assert.Contains(arr, "skipped")
|
|
}
|
|
|
|
func TestRunGCDeletesAllExpired(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
testdir, err := ioutil.TempDir("", "bitcask")
|
|
assert.NoError(err)
|
|
|
|
db, err := Open(testdir)
|
|
assert.NoError(err)
|
|
defer db.Close()
|
|
|
|
// Add a node to the tree that won't expire
|
|
db.Put([]byte("static"), []byte("static"))
|
|
|
|
// Add a node that expires almost immediately to the tree
|
|
db.PutWithTTL([]byte("shortLived"), []byte("shortLived"), 0)
|
|
db.PutWithTTL([]byte("longLived"), []byte("longLived"), time.Hour)
|
|
db.PutWithTTL([]byte("longLived2"), []byte("longLived2"), time.Hour)
|
|
db.PutWithTTL([]byte("shortLived2"), []byte("shortLived2"), 0)
|
|
db.PutWithTTL([]byte("shortLived3"), []byte("shortLived3"), 0)
|
|
db.Put([]byte("static2"), []byte("static2"))
|
|
|
|
// Sleep a bit and run the Garbage Collector
|
|
time.Sleep(3 * time.Millisecond)
|
|
db.RunGC()
|
|
|
|
_ = db.Fold(func(key []byte) error {
|
|
_, err := db.Get(key)
|
|
assert.NoError(err)
|
|
return nil
|
|
})
|
|
}
|
|
|
|
type benchmarkTestCase struct {
|
|
name string
|
|
size int
|
|
}
|
|
|
|
func BenchmarkGet(b *testing.B) {
|
|
currentDir, err := os.Getwd()
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
|
|
testdir, err := ioutil.TempDir(currentDir, "bitcask_bench")
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(testdir)
|
|
|
|
tests := []benchmarkTestCase{
|
|
{"128B", 128},
|
|
{"256B", 256},
|
|
{"512B", 512},
|
|
{"1K", 1024},
|
|
{"2K", 2048},
|
|
{"4K", 4096},
|
|
{"8K", 8192},
|
|
{"16K", 16384},
|
|
{"32K", 32768},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
b.Run(tt.name, func(b *testing.B) {
|
|
b.SetBytes(int64(tt.size))
|
|
|
|
key := []byte("foo")
|
|
value := []byte(strings.Repeat(" ", tt.size))
|
|
|
|
options := []Option{
|
|
WithMaxKeySize(uint32(len(key))),
|
|
WithMaxValueSize(uint64(tt.size)),
|
|
}
|
|
db, err := Open(testdir, options...)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
|
|
err = db.Put(key, value)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
val, err := db.Get(key)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
if !bytes.Equal(val, value) {
|
|
b.Errorf("unexpected value")
|
|
}
|
|
}
|
|
b.StopTimer()
|
|
db.Close()
|
|
})
|
|
}
|
|
}
|
|
|
|
func BenchmarkPut(b *testing.B) {
|
|
currentDir, err := os.Getwd()
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
|
|
tests := []benchmarkTestCase{
|
|
{"128B", 128},
|
|
{"256B", 256},
|
|
{"1K", 1024},
|
|
{"2K", 2048},
|
|
{"4K", 4096},
|
|
{"8K", 8192},
|
|
{"16K", 16384},
|
|
{"32K", 32768},
|
|
}
|
|
|
|
variants := map[string][]Option{
|
|
"NoSync": {
|
|
WithSync(false),
|
|
},
|
|
"Sync": {
|
|
WithSync(true),
|
|
},
|
|
}
|
|
|
|
for name, options := range variants {
|
|
testdir, err := ioutil.TempDir(currentDir, "bitcask_bench")
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(testdir)
|
|
|
|
db, err := Open(testdir, options...)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
defer db.Close()
|
|
|
|
for _, tt := range tests {
|
|
b.Run(tt.name+name, func(b *testing.B) {
|
|
b.SetBytes(int64(tt.size))
|
|
|
|
key := []byte("foo")
|
|
value := []byte(strings.Repeat(" ", tt.size))
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
err := db.Put(key, value)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkScan(b *testing.B) {
|
|
currentDir, err := os.Getwd()
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
|
|
testdir, err := ioutil.TempDir(currentDir, "bitcask_bench")
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(testdir)
|
|
|
|
db, err := Open(testdir)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
defer db.Close()
|
|
|
|
var items = map[string][]byte{
|
|
"1": []byte("1"),
|
|
"2": []byte("2"),
|
|
"3": []byte("3"),
|
|
"food": []byte("pizza"),
|
|
"foo": []byte([]byte("foo")),
|
|
"fooz": []byte("fooz ball"),
|
|
"hello": []byte("world"),
|
|
}
|
|
for k, v := range items {
|
|
err := db.Put([]byte(k), v)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
}
|
|
|
|
var expected = [][]byte{[]byte("foo"), []byte("food"), []byte("fooz")}
|
|
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
var keys [][]byte
|
|
err = db.Scan([]byte("fo"), func(key []byte) error {
|
|
keys = append(keys, key)
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
keys = SortByteArrays(keys)
|
|
if !reflect.DeepEqual(expected, keys) {
|
|
b.Fatal(fmt.Errorf("expected keys=#%v got=%#v", expected, keys))
|
|
}
|
|
}
|
|
}
|