Add ByteSlice Method for embed etcd (#15844)

Signed-off-by: Letian Jiang <letian.jiang@zilliz.com>
This commit is contained in:
Letian Jiang 2022-03-04 15:14:01 +08:00 committed by GitHub
parent f71651e294
commit 08d12e62f3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 677 additions and 3 deletions

View File

@ -104,6 +104,26 @@ func (kv *EmbedEtcdKV) LoadWithPrefix(key string) ([]string, []string, error) {
return keys, values, nil
}
// LoadBytesWithPrefix returns all the keys and values with the given key prefix
func (kv *EmbedEtcdKV) LoadBytesWithPrefix(key string) ([]string, [][]byte, error) {
key = path.Join(kv.rootPath, key)
log.Debug("LoadBytesWithPrefix ", zap.String("prefix", key))
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
defer cancel()
resp, err := kv.client.Get(ctx, key, clientv3.WithPrefix(),
clientv3.WithSort(clientv3.SortByKey, clientv3.SortAscend))
if err != nil {
return nil, nil, err
}
keys := make([]string, 0, resp.Count)
values := make([][]byte, 0, resp.Count)
for _, kv := range resp.Kvs {
keys = append(keys, string(kv.Key))
values = append(values, kv.Value)
}
return keys, values, nil
}
// LoadWithPrefix2 returns all the keys and values with versions by the given key prefix
func (kv *EmbedEtcdKV) LoadWithPrefix2(key string) ([]string, []string, []int64, error) {
key = path.Join(kv.rootPath, key)
@ -126,6 +146,29 @@ func (kv *EmbedEtcdKV) LoadWithPrefix2(key string) ([]string, []string, []int64,
return keys, values, versions, nil
}
// LoadBytesWithPrefix2 returns all the keys and values with versions by the given key prefix
func (kv *EmbedEtcdKV) LoadBytesWithPrefix2(key string) ([]string, [][]byte, []int64, error) {
key = path.Join(kv.rootPath, key)
log.Debug("LoadBytesWithPrefix2 ", zap.String("prefix", key))
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
defer cancel()
resp, err := kv.client.Get(ctx, key, clientv3.WithPrefix(),
clientv3.WithSort(clientv3.SortByKey, clientv3.SortAscend))
if err != nil {
return nil, nil, nil, err
}
keys := make([]string, 0, resp.Count)
values := make([][]byte, 0, resp.Count)
versions := make([]int64, 0, resp.Count)
for _, kv := range resp.Kvs {
keys = append(keys, string(kv.Key))
values = append(values, kv.Value)
versions = append(versions, kv.Version)
}
return keys, values, versions, nil
}
// Load returns value of the given key
func (kv *EmbedEtcdKV) Load(key string) (string, error) {
key = path.Join(kv.rootPath, key)
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
@ -141,6 +184,23 @@ func (kv *EmbedEtcdKV) Load(key string) (string, error) {
return string(resp.Kvs[0].Value), nil
}
// LoadBytes returns value of the given key
func (kv *EmbedEtcdKV) LoadBytes(key string) ([]byte, error) {
key = path.Join(kv.rootPath, key)
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
defer cancel()
resp, err := kv.client.Get(ctx, key)
if err != nil {
return nil, err
}
if resp.Count <= 0 {
return nil, fmt.Errorf("there is no value on key = %s", key)
}
return resp.Kvs[0].Value, nil
}
// MultiLoad returns values of a set of keys
func (kv *EmbedEtcdKV) MultiLoad(keys []string) ([]string, error) {
ops := make([]clientv3.Op, 0, len(keys))
for _, keyLoad := range keys {
@ -151,7 +211,7 @@ func (kv *EmbedEtcdKV) MultiLoad(keys []string) ([]string, error) {
defer cancel()
resp, err := kv.client.Txn(ctx).If().Then(ops...).Commit()
if err != nil {
return []string{}, err
return nil, err
}
result := make([]string, 0, len(keys))
@ -176,6 +236,43 @@ func (kv *EmbedEtcdKV) MultiLoad(keys []string) ([]string, error) {
return result, nil
}
// MultiLoadBytes returns values of a set of keys
func (kv *EmbedEtcdKV) MultiLoadBytes(keys []string) ([][]byte, error) {
ops := make([]clientv3.Op, 0, len(keys))
for _, keyLoad := range keys {
ops = append(ops, clientv3.OpGet(path.Join(kv.rootPath, keyLoad)))
}
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
defer cancel()
resp, err := kv.client.Txn(ctx).If().Then(ops...).Commit()
if err != nil {
return nil, err
}
result := make([][]byte, 0, len(keys))
invalid := make([]string, 0, len(keys))
for index, rp := range resp.Responses {
if rp.GetResponseRange().Kvs == nil || len(rp.GetResponseRange().Kvs) == 0 {
invalid = append(invalid, keys[index])
result = append(result, []byte{})
}
for _, ev := range rp.GetResponseRange().Kvs {
log.Debug("MultiLoadBytes", zap.ByteString("key", ev.Key),
zap.ByteString("value", ev.Value))
result = append(result, ev.Value)
}
}
if len(invalid) != 0 {
log.Debug("MultiLoadBytes: there are invalid keys",
zap.Strings("keys", invalid))
err = fmt.Errorf("there are invalid keys: %s", invalid)
return result, err
}
return result, nil
}
// LoadWithRevision returns keys, values and revision with given key prefix.
func (kv *EmbedEtcdKV) LoadWithRevision(key string) ([]string, []string, int64, error) {
key = path.Join(kv.rootPath, key)
log.Debug("LoadWithPrefix ", zap.String("prefix", key))
@ -195,6 +292,27 @@ func (kv *EmbedEtcdKV) LoadWithRevision(key string) ([]string, []string, int64,
return keys, values, resp.Header.Revision, nil
}
// LoadBytesWithRevision returns keys, values and revision with given key prefix.
func (kv *EmbedEtcdKV) LoadBytesWithRevision(key string) ([]string, [][]byte, int64, error) {
key = path.Join(kv.rootPath, key)
log.Debug("LoadBytesWithRevision ", zap.String("prefix", key))
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
defer cancel()
resp, err := kv.client.Get(ctx, key, clientv3.WithPrefix(),
clientv3.WithSort(clientv3.SortByKey, clientv3.SortAscend))
if err != nil {
return nil, nil, 0, err
}
keys := make([]string, 0, resp.Count)
values := make([][]byte, 0, resp.Count)
for _, kv := range resp.Kvs {
keys = append(keys, string(kv.Key))
values = append(values, kv.Value)
}
return keys, values, resp.Header.Revision, nil
}
// Save saves the key-value pair.
func (kv *EmbedEtcdKV) Save(key, value string) error {
key = path.Join(kv.rootPath, key)
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
@ -203,6 +321,15 @@ func (kv *EmbedEtcdKV) Save(key, value string) error {
return err
}
// SaveBytes saves the key-value pair.
func (kv *EmbedEtcdKV) SaveBytes(key string, value []byte) error {
key = path.Join(kv.rootPath, key)
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
defer cancel()
_, err := kv.client.Put(ctx, key, string(value))
return err
}
// SaveWithLease is a function to put value in etcd with etcd lease options.
func (kv *EmbedEtcdKV) SaveWithLease(key, value string, id clientv3.LeaseID) error {
key = path.Join(kv.rootPath, key)
@ -212,6 +339,16 @@ func (kv *EmbedEtcdKV) SaveWithLease(key, value string, id clientv3.LeaseID) err
return err
}
// SaveBytesWithLease is a function to put value in etcd with etcd lease options.
func (kv *EmbedEtcdKV) SaveBytesWithLease(key string, value []byte, id clientv3.LeaseID) error {
key = path.Join(kv.rootPath, key)
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
defer cancel()
_, err := kv.client.Put(ctx, key, string(value), clientv3.WithLease(id))
return err
}
// MultiSave saves the key-value pairs in a transaction.
func (kv *EmbedEtcdKV) MultiSave(kvs map[string]string) error {
ops := make([]clientv3.Op, 0, len(kvs))
for key, value := range kvs {
@ -225,6 +362,21 @@ func (kv *EmbedEtcdKV) MultiSave(kvs map[string]string) error {
return err
}
// MultiSaveBytes saves the key-value pairs in a transaction.
func (kv *EmbedEtcdKV) MultiSaveBytes(kvs map[string][]byte) error {
ops := make([]clientv3.Op, 0, len(kvs))
for key, value := range kvs {
ops = append(ops, clientv3.OpPut(path.Join(kv.rootPath, key), string(value)))
}
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
defer cancel()
_, err := kv.client.Txn(ctx).If().Then(ops...).Commit()
return err
}
// RemoveWithPrefix removes the keys with given prefix.
func (kv *EmbedEtcdKV) RemoveWithPrefix(prefix string) error {
key := path.Join(kv.rootPath, prefix)
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
@ -234,6 +386,7 @@ func (kv *EmbedEtcdKV) RemoveWithPrefix(prefix string) error {
return err
}
// Remove removes the key.
func (kv *EmbedEtcdKV) Remove(key string) error {
key = path.Join(kv.rootPath, key)
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
@ -243,6 +396,7 @@ func (kv *EmbedEtcdKV) Remove(key string) error {
return err
}
// MultiRemove removes the keys in a transaction.
func (kv *EmbedEtcdKV) MultiRemove(keys []string) error {
ops := make([]clientv3.Op, 0, len(keys))
for _, key := range keys {
@ -256,6 +410,7 @@ func (kv *EmbedEtcdKV) MultiRemove(keys []string) error {
return err
}
// MultiSaveAndRemove saves the key-value pairs and removes the keys in a transaction.
func (kv *EmbedEtcdKV) MultiSaveAndRemove(saves map[string]string, removals []string) error {
ops := make([]clientv3.Op, 0, len(saves)+len(removals))
for key, value := range saves {
@ -274,6 +429,25 @@ func (kv *EmbedEtcdKV) MultiSaveAndRemove(saves map[string]string, removals []st
return err
}
// MultiSaveBytesAndRemove saves the key-value pairs and removes the keys in a transaction.
func (kv *EmbedEtcdKV) MultiSaveBytesAndRemove(saves map[string][]byte, removals []string) error {
ops := make([]clientv3.Op, 0, len(saves)+len(removals))
for key, value := range saves {
ops = append(ops, clientv3.OpPut(path.Join(kv.rootPath, key), string(value)))
}
for _, keyDelete := range removals {
ops = append(ops, clientv3.OpDelete(path.Join(kv.rootPath, keyDelete)))
}
log.Debug("MultiSaveBytesAndRemove")
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
defer cancel()
_, err := kv.client.Txn(ctx).If().Then(ops...).Commit()
return err
}
func (kv *EmbedEtcdKV) Watch(key string) clientv3.WatchChan {
key = path.Join(kv.rootPath, key)
rch := kv.client.Watch(context.Background(), key, clientv3.WithCreatedNotify())
@ -306,8 +480,9 @@ func (kv *EmbedEtcdKV) MultiRemoveWithPrefix(keys []string) error {
return err
}
// MultiSaveAndRemoveWithPrefix saves kv in @saves and removes the keys with given prefix in @removals.
func (kv *EmbedEtcdKV) MultiSaveAndRemoveWithPrefix(saves map[string]string, removals []string) error {
ops := make([]clientv3.Op, 0, len(saves))
ops := make([]clientv3.Op, 0, len(saves)+len(removals))
for key, value := range saves {
ops = append(ops, clientv3.OpPut(path.Join(kv.rootPath, key), value))
}
@ -324,6 +499,25 @@ func (kv *EmbedEtcdKV) MultiSaveAndRemoveWithPrefix(saves map[string]string, rem
return err
}
// MultiSaveBytesAndRemoveWithPrefix saves kv in @saves and removes the keys with given prefix in @removals.
func (kv *EmbedEtcdKV) MultiSaveBytesAndRemoveWithPrefix(saves map[string][]byte, removals []string) error {
ops := make([]clientv3.Op, 0, len(saves)+len(removals))
for key, value := range saves {
ops = append(ops, clientv3.OpPut(path.Join(kv.rootPath, key), string(value)))
}
for _, keyDelete := range removals {
ops = append(ops, clientv3.OpDelete(path.Join(kv.rootPath, keyDelete), clientv3.WithPrefix()))
}
log.Debug("MultiSaveBytesAndRemoveWithPrefix")
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
defer cancel()
_, err := kv.client.Txn(ctx).If().Then(ops...).Commit()
return err
}
// Grant creates a new lease implemented in etcd grant interface.
func (kv *EmbedEtcdKV) Grant(ttl int64) (id clientv3.LeaseID, err error) {
resp, err := kv.client.Grant(context.Background(), ttl)
@ -355,7 +549,28 @@ func (kv *EmbedEtcdKV) CompareValueAndSwap(key, value, target string, opts ...cl
return err
}
if !resp.Succeeded {
return fmt.Errorf("function CompareAndSwap error for compare is false for key: %s", key)
return fmt.Errorf("function CompareValueAndSwap error for compare is false for key: %s", key)
}
return nil
}
// CompareValueAndSwapBytes compares the existing value with compare, and if they are
// equal, the target is stored in etcd.
func (kv *EmbedEtcdKV) CompareValueAndSwapBytes(key string, value, target []byte, opts ...clientv3.OpOption) error {
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
defer cancel()
resp, err := kv.client.Txn(ctx).If(
clientv3.Compare(
clientv3.Value(path.Join(kv.rootPath, key)),
"=",
string(value))).
Then(clientv3.OpPut(path.Join(kv.rootPath, key), string(target), opts...)).Commit()
if err != nil {
return err
}
if !resp.Succeeded {
return fmt.Errorf("function CompareValueAndSwapBytes error for compare is false for key: %s", key)
}
return nil
@ -382,6 +597,27 @@ func (kv *EmbedEtcdKV) CompareVersionAndSwap(key string, version int64, target s
return nil
}
// CompareVersionAndSwapBytes compares the existing key-value's version with version, and if
// they are equal, the target is stored in etcd.
func (kv *EmbedEtcdKV) CompareVersionAndSwapBytes(key string, version int64, target []byte, opts ...clientv3.OpOption) error {
ctx, cancel := context.WithTimeout(context.TODO(), RequestTimeout)
defer cancel()
resp, err := kv.client.Txn(ctx).If(
clientv3.Compare(
clientv3.Version(path.Join(kv.rootPath, key)),
"=",
version)).
Then(clientv3.OpPut(path.Join(kv.rootPath, key), string(target), opts...)).Commit()
if err != nil {
return err
}
if !resp.Succeeded {
return fmt.Errorf("function CompareVersionAndSwapBytes error for compare is false for key: %s", key)
}
return nil
}
func (kv *EmbedEtcdKV) GetConfig() embed.Config {
return kv.etcd.Config()
}

View File

@ -151,6 +151,117 @@ func TestEmbedEtcd(te *testing.T) {
}
})
te.Run("EtcdKV SaveAndLoadBytes", func(t *testing.T) {
rootPath := "/etcd/test/root/saveandloadbytes"
_metaKv, err := embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
metaKv := _metaKv.(*embed_etcd_kv.EmbedEtcdKV)
require.NoError(te, err)
assert.NotNil(te, metaKv)
require.NoError(t, err)
defer metaKv.Close()
defer metaKv.RemoveWithPrefix("")
saveAndLoadTests := []struct {
key string
value []byte
}{
{"test1", []byte("value1")},
{"test2", []byte("value2")},
{"test1/a", []byte("value_a")},
{"test1/b", []byte("value_b")},
}
for i, test := range saveAndLoadTests {
if i < 4 {
err = metaKv.SaveBytes(test.key, test.value)
assert.NoError(t, err)
}
val, err := metaKv.LoadBytes(test.key)
assert.NoError(t, err)
assert.Equal(t, test.value, val)
}
invalidLoadTests := []struct {
invalidKey string
}{
{"t"},
{"a"},
{"test1a"},
}
for _, test := range invalidLoadTests {
val, err := metaKv.LoadBytes(test.invalidKey)
assert.Error(t, err)
assert.Zero(t, val)
}
loadPrefixTests := []struct {
prefix string
expectedKeys []string
expectedValues [][]byte
expectedError error
}{
{"test", []string{
metaKv.GetPath("test1"),
metaKv.GetPath("test2"),
metaKv.GetPath("test1/a"),
metaKv.GetPath("test1/b")}, [][]byte{[]byte("value1"), []byte("value2"), []byte("value_a"), []byte("value_b")}, nil},
{"test1", []string{
metaKv.GetPath("test1"),
metaKv.GetPath("test1/a"),
metaKv.GetPath("test1/b")}, [][]byte{[]byte("value1"), []byte("value_a"), []byte("value_b")}, nil},
{"test2", []string{metaKv.GetPath("test2")}, [][]byte{[]byte("value2")}, nil},
{"", []string{
metaKv.GetPath("test1"),
metaKv.GetPath("test2"),
metaKv.GetPath("test1/a"),
metaKv.GetPath("test1/b")}, [][]byte{[]byte("value1"), []byte("value2"), []byte("value_a"), []byte("value_b")}, nil},
{"test1/a", []string{metaKv.GetPath("test1/a")}, [][]byte{[]byte("value_a")}, nil},
{"a", []string{}, [][]byte{}, nil},
{"root", []string{}, [][]byte{}, nil},
{"/etcd/test/root", []string{}, [][]byte{}, nil},
}
for _, test := range loadPrefixTests {
actualKeys, actualValues, err := metaKv.LoadBytesWithPrefix(test.prefix)
assert.ElementsMatch(t, test.expectedKeys, actualKeys)
assert.ElementsMatch(t, test.expectedValues, actualValues)
assert.Equal(t, test.expectedError, err)
actualKeys, actualValues, versions, err := metaKv.LoadBytesWithPrefix2(test.prefix)
assert.ElementsMatch(t, test.expectedKeys, actualKeys)
assert.ElementsMatch(t, test.expectedValues, actualValues)
assert.NotZero(t, versions)
assert.Equal(t, test.expectedError, err)
}
removeTests := []struct {
validKey string
invalidKey string
}{
{"test1", "abc"},
{"test1/a", "test1/lskfjal"},
{"test1/b", "test1/b"},
{"test2", "-"},
}
for _, test := range removeTests {
err = metaKv.Remove(test.validKey)
assert.NoError(t, err)
_, err = metaKv.Load(test.validKey)
assert.Error(t, err)
err = metaKv.Remove(test.validKey)
assert.NoError(t, err)
err = metaKv.Remove(test.invalidKey)
assert.NoError(t, err)
}
})
te.Run("EtcdKV LoadWithRevision", func(t *testing.T) {
rootPath := "/etcd/test/root/LoadWithRevision"
metaKv, err := embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
@ -196,6 +307,52 @@ func TestEmbedEtcd(te *testing.T) {
})
te.Run("EtcdKV LoadBytesWithRevision", func(t *testing.T) {
rootPath := "/etcd/test/root/LoadBytesWithRevision"
_metaKv, err := embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
metaKv := _metaKv.(*embed_etcd_kv.EmbedEtcdKV)
assert.Nil(t, err)
defer metaKv.Close()
defer metaKv.RemoveWithPrefix("")
prepareKV := []struct {
inKey string
inValue []byte
}{
{"a", []byte("a_version1")},
{"b", []byte("b_version2")},
{"a", []byte("a_version3")},
{"c", []byte("c_version4")},
{"a/suba", []byte("a_version5")},
}
for _, test := range prepareKV {
err = metaKv.SaveBytes(test.inKey, test.inValue)
require.NoError(t, err)
}
loadWithRevisionTests := []struct {
inKey string
expectedKeyNo int
expectedValues [][]byte
}{
{"a", 2, [][]byte{[]byte("a_version3"), []byte("a_version5")}},
{"b", 1, [][]byte{[]byte("b_version2")}},
{"c", 1, [][]byte{[]byte("c_version4")}},
}
for _, test := range loadWithRevisionTests {
keys, values, revision, err := metaKv.LoadBytesWithRevision(test.inKey)
assert.NoError(t, err)
assert.Equal(t, test.expectedKeyNo, len(keys))
assert.ElementsMatch(t, test.expectedValues, values)
assert.NotZero(t, revision)
}
})
te.Run("EtcdKV MultiSaveAndMultiLoad", func(t *testing.T) {
rootPath := "/etcd/test/root/multi_save_and_multi_load"
metaKv, err := embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
@ -305,6 +462,116 @@ func TestEmbedEtcd(te *testing.T) {
assert.Empty(t, vs)
})
te.Run("EtcdKV MultiSaveAndMultiLoadBytes", func(t *testing.T) {
rootPath := "/etcd/test/root/multi_save_and_multi_load"
_metaKv, err := embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
metaKv := _metaKv.(*embed_etcd_kv.EmbedEtcdKV)
assert.Nil(t, err)
defer metaKv.Close()
defer metaKv.RemoveWithPrefix("")
multiSaveTests := map[string][]byte{
"key_1": []byte("value_1"),
"key_2": []byte("value_2"),
"key_3/a": []byte("value_3a"),
"multikey_1": []byte("multivalue_1"),
"multikey_2": []byte("multivalue_2"),
"_": []byte("other"),
}
err = metaKv.MultiSaveBytes(multiSaveTests)
assert.NoError(t, err)
for k, v := range multiSaveTests {
actualV, err := metaKv.LoadBytes(k)
assert.NoError(t, err)
assert.Equal(t, v, actualV)
}
multiLoadTests := []struct {
inputKeys []string
expectedValues [][]byte
}{
{[]string{"key_1"}, [][]byte{[]byte("value_1")}},
{[]string{"key_1", "key_2", "key_3/a"}, [][]byte{[]byte("value_1"), []byte("value_2"), []byte("value_3a")}},
{[]string{"multikey_1", "multikey_2"}, [][]byte{[]byte("multivalue_1"), []byte("multivalue_2")}},
{[]string{"_"}, [][]byte{[]byte("other")}},
}
for _, test := range multiLoadTests {
vs, err := metaKv.MultiLoadBytes(test.inputKeys)
assert.NoError(t, err)
assert.Equal(t, test.expectedValues, vs)
}
invalidMultiLoad := []struct {
invalidKeys []string
expectedValues [][]byte
}{
{[]string{"a", "key_1"}, [][]byte{[]byte(""), []byte("value_1")}},
{[]string{".....", "key_1"}, [][]byte{[]byte(""), []byte("value_1")}},
{[]string{"*********"}, [][]byte{[]byte("")}},
{[]string{"key_1", "1"}, [][]byte{[]byte("value_1"), []byte("")}},
}
for _, test := range invalidMultiLoad {
vs, err := metaKv.MultiLoadBytes(test.invalidKeys)
assert.Error(t, err)
assert.Equal(t, test.expectedValues, vs)
}
removeWithPrefixTests := []string{
"key_1",
"multi",
}
for _, k := range removeWithPrefixTests {
err = metaKv.RemoveWithPrefix(k)
assert.NoError(t, err)
ks, vs, err := metaKv.LoadBytesWithPrefix(k)
assert.Empty(t, ks)
assert.Empty(t, vs)
assert.NoError(t, err)
}
multiRemoveTests := []string{
"key_2",
"key_3/a",
"multikey_2",
"_",
}
err = metaKv.MultiRemove(multiRemoveTests)
assert.NoError(t, err)
ks, vs, err := metaKv.LoadBytesWithPrefix("")
assert.NoError(t, err)
assert.Empty(t, ks)
assert.Empty(t, vs)
multiSaveAndRemoveTests := []struct {
multiSaves map[string][]byte
multiRemoves []string
}{
{map[string][]byte{"key_1": []byte("value_1")}, []string{}},
{map[string][]byte{"key_2": []byte("value_2")}, []string{"key_1"}},
{map[string][]byte{"key_3/a": []byte("value_3a")}, []string{"key_2"}},
{map[string][]byte{"multikey_1": []byte("multivalue_1")}, []string{}},
{map[string][]byte{"multikey_2": []byte("multivalue_2")}, []string{"multikey_1", "key_3/a"}},
{map[string][]byte{}, []string{"multikey_2"}},
}
for _, test := range multiSaveAndRemoveTests {
err = metaKv.MultiSaveBytesAndRemove(test.multiSaves, test.multiRemoves)
assert.NoError(t, err)
}
ks, vs, err = metaKv.LoadBytesWithPrefix("")
assert.NoError(t, err)
assert.Empty(t, ks)
assert.Empty(t, vs)
})
te.Run("EtcdKV MultiRemoveWithPrefix", func(t *testing.T) {
rootPath := "/etcd/test/root/multi_remove_with_prefix"
metaKv, err := embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
@ -393,6 +660,95 @@ func TestEmbedEtcd(te *testing.T) {
}
})
te.Run("EtcdKV MultiRemoveWithPrefixBytes", func(t *testing.T) {
rootPath := "/etcd/test/root/multi_remove_with_prefix_bytes"
_metaKv, err := embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
metaKv := _metaKv.(*embed_etcd_kv.EmbedEtcdKV)
require.NoError(t, err)
defer metaKv.Close()
defer metaKv.RemoveWithPrefix("")
prepareTests := map[string][]byte{
"x/abc/1": []byte("1"),
"x/abc/2": []byte("2"),
"x/def/1": []byte("10"),
"x/def/2": []byte("20"),
"x/den/1": []byte("100"),
"x/den/2": []byte("200"),
}
err = metaKv.MultiSaveBytes(prepareTests)
require.NoError(t, err)
multiRemoveWithPrefixTests := []struct {
prefix []string
testKey string
expectedValue []byte
}{
{[]string{"x/abc"}, "x/abc/1", nil},
{[]string{}, "x/abc/2", nil},
{[]string{}, "x/def/1", []byte("10")},
{[]string{}, "x/def/2", []byte("20")},
{[]string{}, "x/den/1", []byte("100")},
{[]string{}, "x/den/2", []byte("200")},
{[]string{}, "not-exist", nil},
{[]string{"x/def", "x/den"}, "x/def/1", nil},
{[]string{}, "x/def/1", nil},
{[]string{}, "x/def/2", nil},
{[]string{}, "x/den/1", nil},
{[]string{}, "x/den/2", nil},
{[]string{}, "not-exist", nil},
}
for _, test := range multiRemoveWithPrefixTests {
if len(test.prefix) > 0 {
err = metaKv.MultiRemoveWithPrefix(test.prefix)
assert.NoError(t, err)
}
v, _ := metaKv.LoadBytes(test.testKey)
assert.Equal(t, test.expectedValue, v)
}
k, v, err := metaKv.LoadBytesWithPrefix("/")
assert.NoError(t, err)
assert.Zero(t, len(k))
assert.Zero(t, len(v))
// MultiSaveAndRemoveWithPrefix
err = metaKv.MultiSaveBytes(prepareTests)
require.NoError(t, err)
multiSaveAndRemoveWithPrefixTests := []struct {
multiSave map[string][]byte
prefix []string
loadPrefix string
lengthBeforeRemove int
lengthAfterRemove int
}{
{map[string][]byte{}, []string{"x/abc", "x/def", "x/den"}, "x", 6, 0},
{map[string][]byte{"y/a": []byte("vvv"), "y/b": []byte("vvv")}, []string{}, "y", 0, 2},
{map[string][]byte{"y/c": []byte("vvv")}, []string{}, "y", 2, 3},
{map[string][]byte{"p/a": []byte("vvv")}, []string{"y/a", "y"}, "y", 3, 0},
{map[string][]byte{}, []string{"p"}, "p", 1, 0},
}
for _, test := range multiSaveAndRemoveWithPrefixTests {
k, _, err = metaKv.LoadBytesWithPrefix(test.loadPrefix)
assert.NoError(t, err)
assert.Equal(t, test.lengthBeforeRemove, len(k))
err = metaKv.MultiSaveBytesAndRemoveWithPrefix(test.multiSave, test.prefix)
assert.NoError(t, err)
k, _, err = metaKv.LoadBytesWithPrefix(test.loadPrefix)
assert.NoError(t, err)
assert.Equal(t, test.lengthAfterRemove, len(k))
}
})
te.Run("EtcdKV Watch", func(t *testing.T) {
rootPath := "/etcd/test/root/watch"
metaKv, err := embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
@ -461,6 +817,58 @@ func TestEmbedEtcd(te *testing.T) {
assert.Error(t, err)
})
te.Run("Etcd Revision Bytes", func(t *testing.T) {
rootPath := "/etcd/test/root/revision_bytes"
_metaKv, err := embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
metaKv := _metaKv.(*embed_etcd_kv.EmbedEtcdKV)
assert.Nil(t, err)
defer metaKv.Close()
defer metaKv.RemoveWithPrefix("")
revisionTests := []struct {
inKey string
fistValue []byte
secondValue []byte
}{
{"a", []byte("v1"), []byte("v11")},
{"y", []byte("v2"), []byte("v22")},
{"z", []byte("v3"), []byte("v33")},
}
for _, test := range revisionTests {
err = metaKv.SaveBytes(test.inKey, test.fistValue)
require.NoError(t, err)
_, _, revision, _ := metaKv.LoadBytesWithRevision(test.inKey)
ch := metaKv.WatchWithRevision(test.inKey, revision+1)
err = metaKv.SaveBytes(test.inKey, test.secondValue)
require.NoError(t, err)
resp := <-ch
assert.Equal(t, 1, len(resp.Events))
assert.Equal(t, test.secondValue, resp.Events[0].Kv.Value)
assert.Equal(t, revision+1, resp.Header.Revision)
}
err = metaKv.CompareVersionAndSwapBytes("a/b/c", 0, []byte("1"))
assert.NoError(t, err)
value, err := metaKv.LoadBytes("a/b/c")
assert.NoError(t, err)
assert.Equal(t, value, []byte("1"))
err = metaKv.CompareVersionAndSwapBytes("a/b/c", 0, []byte("1"))
assert.Error(t, err)
err = metaKv.CompareValueAndSwapBytes("a/b/c", []byte("1"), []byte("2"))
assert.NoError(t, err)
err = metaKv.CompareValueAndSwapBytes("a/b/c", []byte("1"), []byte("2"))
assert.Error(t, err)
})
te.Run("Etcd Lease", func(t *testing.T) {
rootPath := "/etcd/test/root/lease"
metaKv, err := embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
@ -489,4 +897,34 @@ func TestEmbedEtcd(te *testing.T) {
}
})
te.Run("Etcd Lease Bytes", func(t *testing.T) {
rootPath := "/etcd/test/root/lease_bytes"
_metaKv, err := embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
metaKv := _metaKv.(*embed_etcd_kv.EmbedEtcdKV)
assert.Nil(t, err)
defer metaKv.Close()
defer metaKv.RemoveWithPrefix("")
leaseID, err := metaKv.Grant(10)
assert.NoError(t, err)
metaKv.KeepAlive(leaseID)
tests := map[string][]byte{
"a/b": []byte("v1"),
"a/b/c": []byte("v2"),
"x": []byte("v3"),
}
for k, v := range tests {
err = metaKv.SaveBytesWithLease(k, v, leaseID)
assert.NoError(t, err)
err = metaKv.SaveBytesWithLease(k, v, clientv3.LeaseID(999))
assert.Error(t, err)
}
})
}