Files
tidb/pkg/util/processinfo_test.go

68 lines
2.2 KiB
Go

// Copyright 2024 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 util
import (
"fmt"
"reflect"
"testing"
"github.com/pingcap/tidb/pkg/sessionctx/stmtctx"
"github.com/pingcap/tidb/pkg/util/memory"
"github.com/stretchr/testify/require"
)
func MyFunc(any) map[string]uint64 {
return nil
}
func TestProcessInfoShallowCP(t *testing.T) {
mem := memory.NewTracker(-1, -1)
mem.Consume(1<<30 + 1<<29 + 1<<28 + 1<<27)
var refCount stmtctx.ReferenceCount = 0
info := &ProcessInfo{
ID: 233,
User: "PingCAP",
Host: "127.0.0.1",
DB: "Database",
Info: "select * from table where a > 1",
CurTxnStartTS: 23333,
StatsInfo: MyFunc,
StmtCtx: stmtctx.NewStmtCtx(),
RefCountOfStmtCtx: &refCount,
MemTracker: mem,
RedactSQL: "",
SessionAlias: "alias123",
}
cp := info.Clone()
require.False(t, cp == info)
require.True(t, cp.ID == info.ID)
require.True(t, cp.User == info.User)
require.True(t, cp.Host == info.Host)
require.True(t, cp.DB == info.DB)
require.True(t, cp.Info == info.Info)
require.True(t, cp.CurTxnStartTS == info.CurTxnStartTS)
// reflect.DeepEqual couldn't cmp two function pointer.
require.True(t, reflect.ValueOf(cp.StatsInfo).Pointer() == reflect.ValueOf(info.StatsInfo).Pointer())
fmt.Println(reflect.ValueOf(cp.StatsInfo).Pointer(), reflect.ValueOf(info.StatsInfo).Pointer())
require.True(t, cp.StmtCtx == info.StmtCtx)
require.True(t, cp.RefCountOfStmtCtx == info.RefCountOfStmtCtx)
require.True(t, cp.MemTracker == info.MemTracker)
require.True(t, cp.RedactSQL == info.RedactSQL)
require.True(t, cp.SessionAlias == info.SessionAlias)
}