Files
tidb/pkg/keyspace/keyspace_test.go

94 lines
2.7 KiB
Go

// Copyright 2021 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 keyspace
import (
"sync"
"testing"
"github.com/pingcap/tidb/pkg/config"
"github.com/pingcap/tidb/pkg/config/kerneltype"
"github.com/stretchr/testify/require"
)
func TestSetKeyspaceNameInConf(t *testing.T) {
config.UpdateGlobal(func(conf *config.Config) {
conf.KeyspaceName = ""
})
keyspaceNameInCfg := "test_keyspace_cfg"
// Set KeyspaceName in conf
c1 := config.GetGlobalConfig()
c1.KeyspaceName = keyspaceNameInCfg
getKeyspaceName := GetKeyspaceNameBySettings()
// Check the keyspaceName which get from GetKeyspaceNameBytesBySettings, equals keyspaceNameInCfg which is in conf.
// The cfg.keyspaceName get higher weights than KEYSPACE_NAME in system env.
require.Equal(t, keyspaceNameInCfg, getKeyspaceName)
require.Equal(t, false, IsKeyspaceNameEmpty(getKeyspaceName))
// Make sure genKeyspaceNameOnce is called only once in this test.
keyspaceNameBytes = nil
genKeyspaceNameOnce = sync.Once{}
getKeyspaceNameByte := GetKeyspaceNameBytesBySettings()
if kerneltype.IsNextGen() {
require.Equal(t, []byte(keyspaceNameInCfg), getKeyspaceNameByte)
} else {
require.Nil(t, getKeyspaceNameByte)
}
}
func TestNoKeyspaceNameSet(t *testing.T) {
config.UpdateGlobal(func(conf *config.Config) {
conf.KeyspaceName = ""
})
getKeyspaceName := GetKeyspaceNameBySettings()
require.Equal(t, "", getKeyspaceName)
require.Equal(t, true, IsKeyspaceNameEmpty(getKeyspaceName))
// Make sure genKeyspaceNameOnce is called only once in this test.
keyspaceNameBytes = nil
genKeyspaceNameOnce = sync.Once{}
getKeyspaceNameByte := GetKeyspaceNameBytesBySettings()
if kerneltype.IsNextGen() {
require.Equal(t, []byte(""), getKeyspaceNameByte)
} else {
require.Nil(t, getKeyspaceNameByte)
}
}
func BenchmarkGetKeyspaceNameBytesBySettings(b *testing.B) {
if !kerneltype.IsNextGen() {
b.Skip("NextGen is not enabled, skipping benchmark")
return
}
config.UpdateGlobal(func(conf *config.Config) {
conf.KeyspaceName = "benchmark_keyspace"
})
var result []byte
keyspaceNameBytes = nil
genKeyspaceNameOnce = sync.Once{}
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
result = GetKeyspaceNameBytesBySettings()
}
_ = result
}