// 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 allocator import ( "io/ioutil" "net/url" "os" "testing" "github.com/milvus-io/milvus/internal/util/paramtable" "github.com/milvus-io/milvus/internal/util/tsoutil" "github.com/stretchr/testify/assert" "go.etcd.io/etcd/server/v3/embed" "go.etcd.io/etcd/server/v3/etcdserver/api/v3client" ) var gTestIDAllocator *GlobalIDAllocator var Params paramtable.ComponentParam var embedEtcdServer *embed.Etcd func startEmbedEtcdServer() (*embed.Etcd, error) { dir, err := ioutil.TempDir(os.TempDir(), "milvus_ut") if err != nil { return nil, err } config := embed.NewConfig() config.Dir = dir config.LogLevel = "warn" config.LogOutputs = []string{"default"} u, err := url.Parse("http://localhost:0") if err != nil { return nil, err } config.LCUrls = []url.URL{*u} u, err = url.Parse("http://localhost:0") if err != nil { return nil, err } config.LPUrls = []url.URL{*u} return embed.StartEtcd(config) } func TestMain(m *testing.M) { var err error // init embed etcd embedEtcdServer, err = startEmbedEtcdServer() if err != nil { os.Exit(1) } defer embedEtcdServer.Close() exitCode := m.Run() if exitCode > 0 { os.Exit(exitCode) } } func TestGlobalTSOAllocator_All(t *testing.T) { etcdCli := v3client.New(embedEtcdServer.Server) etcdKV := tsoutil.NewTSOKVBase(etcdCli, "/test/root/kv", "gidTest") gTestIDAllocator = NewGlobalIDAllocator("idTimestamp", etcdKV) t.Run("Initialize", func(t *testing.T) { err := gTestIDAllocator.Initialize() assert.Nil(t, err) }) t.Run("AllocOne", func(t *testing.T) { one, err := gTestIDAllocator.AllocOne() assert.Nil(t, err) ano, err := gTestIDAllocator.AllocOne() assert.Nil(t, err) assert.NotEqual(t, one, ano) }) t.Run("Alloc", func(t *testing.T) { count := uint32(2 << 10) idStart, idEnd, err := gTestIDAllocator.Alloc(count) assert.Nil(t, err) assert.Equal(t, count, uint32(idEnd-idStart)) }) t.Run("Alloc2", func(t *testing.T) { count1 := uint32(2 << 18) id1, err := gTestIDAllocator.allocator.GenerateTSO(count1) assert.Nil(t, err) count2 := uint32(2 << 8) id2, err := gTestIDAllocator.allocator.GenerateTSO(count2) assert.Nil(t, err) assert.Equal(t, id2-id1, uint64(count2)) }) }