// 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 import ( "context" "sync" "time" . "github.com/pingcap/check" "github.com/pingcap/failpoint" ) func (s *testStoreSerialSuite) TestFailBusyServerKV(c *C) { txn, err := s.store.Begin() c.Assert(err, IsNil) err = txn.Set([]byte("key"), []byte("value")) c.Assert(err, IsNil) err = txn.Commit(context.Background()) 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() txn, err := s.store.Begin() c.Assert(err, IsNil) val, err := txn.Get(context.TODO(), []byte("key")) c.Assert(err, IsNil) c.Assert(val, BytesEquals, []byte("value")) }() wg.Wait() }