Files
tidb/store/driver/sql_fail_test.go

126 lines
3.2 KiB
Go

// Copyright 2017 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 driver
import (
"context"
"fmt"
"testing"
"time"
"github.com/pingcap/failpoint"
"github.com/pingcap/tidb/session"
"github.com/pingcap/tidb/testkit"
"github.com/pingcap/tidb/util"
"github.com/pingcap/tidb/util/mock"
"github.com/stretchr/testify/require"
"github.com/tikv/client-go/v2/tikv"
)
func TestFailBusyServerCop(t *testing.T) {
store, _, clean := createTestStore(t)
defer clean()
se, err := session.CreateSession4Test(store)
require.NoError(t, err)
var wg util.WaitGroupWrapper
require.NoError(t, failpoint.Enable("tikvclient/rpcServerBusy", `return(true)`))
wg.Run(func() {
time.Sleep(time.Millisecond * 100)
require.NoError(t, failpoint.Disable("tikvclient/rpcServerBusy"))
})
wg.Run(func() {
rs, err := se.Execute(context.Background(), `SELECT variable_value FROM mysql.tidb WHERE variable_name="bootstrapped"`)
if len(rs) > 0 {
defer func() {
require.NoError(t, rs[0].Close())
}()
}
require.NoError(t, err)
req := rs[0].NewChunk(nil)
err = rs[0].Next(context.Background(), req)
require.NoError(t, err)
require.NotEqual(t, 0, req.NumRows())
require.Equal(t, "True", req.GetRow(0).GetString(0))
})
wg.Wait()
}
func TestCoprocessorStreamRecvTimeout(t *testing.T) {
store, _, clean := createTestStore(t)
defer clean()
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec("create table cop_stream_timeout (id int)")
for i := 0; i < 200; i++ {
tk.MustExec(fmt.Sprintf("insert into cop_stream_timeout values (%d)", i))
}
tk.Session().GetSessionVars().EnableStreaming = true
tests := []struct {
name string
timeout time.Duration
}{
{"timeout", tikv.ReadTimeoutMedium + 100*time.Second},
{"no timeout", time.Millisecond},
}
for _, test := range tests {
timeout := test.timeout
t.Run(test.name, func(t *testing.T) {
enable := true
visited := make(chan int, 1)
isTimeout := false
ctx := context.WithValue(context.Background(), mock.HookKeyForTest("mockTiKVStreamRecvHook"), func(ctx context.Context) {
if !enable {
return
}
visited <- 1
select {
case <-ctx.Done():
case <-time.After(timeout):
isTimeout = true
}
enable = false
})
res, err := tk.Session().Execute(ctx, "select * from cop_stream_timeout")
require.NoError(t, err)
req := res[0].NewChunk(nil)
for i := 0; ; i++ {
err := res[0].Next(ctx, req)
require.NoError(t, err)
if req.NumRows() == 0 {
break
}
req.Reset()
}
select {
case <-visited:
// run with mock tikv
require.False(t, isTimeout)
default:
// run with real tikv
}
})
}
}