tidb mock 源码
tidb mock 代码
文件路径：/store/mockstore/unistore/mock.go
// Copyright 2020 PingCAP, Inc.
//
// Licensed 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 unistore
import (
"os"
"github.com/pingcap/errors"
usconf "github.com/pingcap/tidb/store/mockstore/unistore/config"
ussvr "github.com/pingcap/tidb/store/mockstore/unistore/server"
pd "github.com/tikv/pd/client"
)
// New creates an embed unistore client, pd client and cluster handler.
func New(path string) (*RPCClient, pd.Client, *Cluster, error) {
persistent := true
if path == "" {
var err error
if path, err = os.MkdirTemp("", "tidb-unistore-temp"); err != nil {
return nil, nil, nil, err
}
persistent = false
}
if err := os.MkdirAll(path, 0750); err != nil {
return nil, nil, nil, err
}
conf := usconf.DefaultConf
conf.Engine.ValueThreshold = 0
conf.Engine.DBPath = path
conf.Server.Raft = false
if !persistent {
conf.Engine.VolatileMode = true
conf.Engine.MaxMemTableSize = 12 << 20
conf.Engine.SyncWrite = false
conf.Engine.NumCompactors = 1
conf.Engine.CompactL0WhenClose = false
conf.Engine.VlogFileSize = 16 << 20
}
srv, rm, pd, err := ussvr.NewMock(&conf, 1)
if err != nil {
return nil, nil, nil, errors.Trace(err)
}
cluster := newCluster(rm)
client := &RPCClient{
usSvr: srv,
cluster: cluster,
path: path,
persistent: persistent,
rawHandler: newRawHandler(),
}
srv.RPCClient = client
pdClient := newPDClient(pd)
return client, pdClient, cluster, nil
}
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