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// 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package tikv_test
import (
"context"
"fmt"
"os"
"sync"
"testing"
"time"
. "github.com/pingcap/check"
"github.com/pingcap/failpoint"
"github.com/pingcap/parser/terror"
"github.com/pingcap/tidb/domain"
"github.com/pingcap/tidb/session"
. "github.com/pingcap/tidb/store/tikv"
"github.com/pingcap/tidb/util/mock"
"github.com/pingcap/tidb/util/testkit"
)
var _ = Suite(&testSQLSuite{})
var _ = SerialSuites(&testSQLSerialSuite{})
type testSQLSuite struct {
testSQLSuiteBase
}
type testSQLSerialSuite struct {
testSQLSuiteBase
}
type testSQLSuiteBase struct {
OneByOneSuite
store Storage
dom *domain.Domain
}
func (s *testSQLSuiteBase) SetUpSuite(c *C) {
s.OneByOneSuite.SetUpSuite(c)
var err error
s.store = NewTestStore(c).(Storage)
// actual this is better done in `OneByOneSuite.SetUpSuite`, but this would cause circle dependency
if *WithTiKV {
session.ResetStoreForWithTiKVTest(s.store)
}
s.dom, err = session.BootstrapSession(s.store)
c.Assert(err, IsNil)
}
func (s *testSQLSuiteBase) TearDownSuite(c *C) {
s.dom.Close()
s.store.Close()
s.OneByOneSuite.TearDownSuite(c)
}
func (s *testSQLSerialSuite) TestFailBusyServerCop(c *C) {
se, err := session.CreateSession4Test(s.store)
c.Assert(err, IsNil)
var wg sync.WaitGroup
wg.Add(2)
c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcServerBusy", `return(true)`), IsNil)
go func() {
defer wg.Done()
time.Sleep(time.Millisecond * 100)
c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcServerBusy"), IsNil)
}()
go func() {
defer wg.Done()
rs, err := se.Execute(context.Background(), `SELECT variable_value FROM mysql.tidb WHERE variable_name="bootstrapped"`)
if len(rs) > 0 {
defer terror.Call(rs[0].Close)
}
c.Assert(err, IsNil)
req := rs[0].NewChunk()
err = rs[0].Next(context.Background(), req)
c.Assert(err, IsNil)
c.Assert(req.NumRows() == 0, IsFalse)
c.Assert(req.GetRow(0).GetString(0), Equals, "True")
}()
wg.Wait()
}
func TestMain(m *testing.M) {
ReadTimeoutMedium = 2 * time.Second
os.Exit(m.Run())
}
func (s *testSQLSuite) TestCoprocessorStreamRecvTimeout(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("use test")
tk.MustExec("create table t (id int)")
for i := 0; i < 200; i++ {
tk.MustExec(fmt.Sprintf("insert into t values (%d)", i))
}
tk.Se.GetSessionVars().EnableStreaming = true
{
enable := true
visited := make(chan int, 1)
timeouted := false
timeout := ReadTimeoutMedium + 100*time.Second
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):
timeouted = true
}
enable = false
})
res, err := tk.Se.Execute(ctx, "select * from t")
c.Assert(err, IsNil)
req := res[0].NewChunk()
for i := 0; ; i++ {
err := res[0].Next(ctx, req)
c.Assert(err, IsNil)
if req.NumRows() == 0 {
break
}
req.Reset()
}
select {
case <-visited:
// run with mocktikv
c.Assert(timeouted, IsFalse)
default:
// run with real tikv
}
}
{
enable := true
visited := make(chan int, 1)
timeouted := false
timeout := 1 * time.Millisecond
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):
timeouted = true
}
enable = false
})
res, err := tk.Se.Execute(ctx, "select * from t")
c.Assert(err, IsNil)
req := res[0].NewChunk()
for i := 0; ; i++ {
err := res[0].Next(ctx, req)
c.Assert(err, IsNil)
if req.NumRows() == 0 {
break
}
req.Reset()
}
select {
case <-visited:
// run with mocktikv
c.Assert(timeouted, IsTrue)
default:
// run with real tikv
}
}
}