milvus/internal/kv/etcd/embed_etcd_restart_test.go

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// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package etcdkv_test
import (
"os"
"testing"
"github.com/milvus-io/milvus/internal/util/metricsinfo"
embed_etcd_kv "github.com/milvus-io/milvus/internal/kv/etcd"
"github.com/milvus-io/milvus/internal/util/paramtable"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestEtcdRestartLoad(te *testing.T) {
etcdDataDir := "/tmp/_etcd_data"
os.Setenv(metricsinfo.DeployModeEnvKey, metricsinfo.StandaloneDeployMode)
param := new(paramtable.ServiceParam)
param.Init()
param.BaseTable.Save("etcd.use.embed", "true")
// TODO, not sure if the relative path works for ci environment
param.BaseTable.Save("etcd.config.path", "../../../configs/advanced/etcd.yaml")
param.BaseTable.Save("etcd.data.dir", etcdDataDir)
//clean up data
defer func() {
err := os.RemoveAll(etcdDataDir)
assert.NoError(te, err)
}()
param.EtcdCfg.LoadCfgToMemory()
te.Run("EtcdKV SaveRestartAndLoad", func(t *testing.T) {
rootPath := "/etcd/test/root/saveRestartAndLoad"
metaKv, err := embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
require.NoError(te, err)
assert.NotNil(te, metaKv)
require.NoError(t, err)
defer metaKv.Close()
defer metaKv.RemoveWithPrefix("")
saveAndLoadTests := []struct {
key string
value string
}{
{"test1", "value1"},
{"test2", "value2"},
{"test1/a", "value_a"},
{"test1/b", "value_b"},
}
// save some data
for i, test := range saveAndLoadTests {
if i < 4 {
err = metaKv.Save(test.key, test.value)
assert.NoError(t, err)
}
}
// check test result
for _, test := range saveAndLoadTests {
val, err := metaKv.Load(test.key)
assert.NoError(t, err)
assert.Equal(t, test.value, val)
}
embed := metaKv.(*embed_etcd_kv.EmbedEtcdKV)
embed.Close()
//restart and check test result
metaKv, _ = embed_etcd_kv.NewMetaKvFactory(rootPath, &param.EtcdCfg)
for _, test := range saveAndLoadTests {
val, err := metaKv.Load(test.key)
assert.NoError(t, err)
assert.Equal(t, test.value, val)
}
metaKv.Close()
})
}