Files
tidb/store/tikv/2pc_fail_test.go
tiancaiamao 9c087d13ee *: replace github.com/etcd-io/gofail with the forked one (#8693)
With the adoption of Go module, GOPATH is not need any more
But github.com/etcd-io/gofail doesn't support packages outside the GOPATH
To overcome the drawback, this commit replace it with our forked one
2018-12-19 11:30:48 +08:00

109 lines
4.4 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package tikv
import (
"context"
. "github.com/pingcap/check"
"github.com/pingcap/errors"
gofail "github.com/pingcap/gofail/runtime"
"github.com/pingcap/parser/terror"
"github.com/pingcap/tidb/kv"
)
// TestFailCommitPrimaryRpcErrors tests rpc errors are handled properly when
// committing primary region task.
func (s *testCommitterSuite) TestFailCommitPrimaryRpcErrors(c *C) {
gofail.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcCommitResult", `return("timeout")`)
defer gofail.Disable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcCommitResult")
// The rpc error will be wrapped to ErrResultUndetermined.
t1 := s.begin(c)
err := t1.Set([]byte("a"), []byte("a1"))
c.Assert(err, IsNil)
err = t1.Commit(context.Background())
c.Assert(err, NotNil)
c.Assert(terror.ErrorEqual(err, terror.ErrResultUndetermined), IsTrue, Commentf("%s", errors.ErrorStack(err)))
// We don't need to call "Rollback" after "Commit" fails.
err = t1.Rollback()
c.Assert(err, Equals, kv.ErrInvalidTxn)
}
// TestFailCommitPrimaryRegionError tests RegionError is handled properly when
// committing primary region task.
func (s *testCommitterSuite) TestFailCommitPrimaryRegionError(c *C) {
gofail.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcCommitResult", `return("notLeader")`)
defer gofail.Disable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcCommitResult")
// Ensure it returns the original error without wrapped to ErrResultUndetermined
// if it exceeds max retry timeout on RegionError.
t2 := s.begin(c)
err := t2.Set([]byte("b"), []byte("b1"))
c.Assert(err, IsNil)
err = t2.Commit(context.Background())
c.Assert(err, NotNil)
c.Assert(terror.ErrorNotEqual(err, terror.ErrResultUndetermined), IsTrue)
}
// TestFailCommitPrimaryRPCErrorThenRegionError tests the case when commit first
// receive a rpc timeout, then region errors afterwrards.
func (s *testCommitterSuite) TestFailCommitPrimaryRPCErrorThenRegionError(c *C) {
gofail.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcCommitResult", `1*return("timeout")->return("notLeader")`)
defer gofail.Disable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcCommitResult")
// The region error will be wrapped to ErrResultUndetermined.
t1 := s.begin(c)
err := t1.Set([]byte("a"), []byte("a1"))
c.Assert(err, IsNil)
err = t1.Commit(context.Background())
c.Assert(err, NotNil)
c.Assert(terror.ErrorEqual(err, terror.ErrResultUndetermined), IsTrue, Commentf("%s", errors.ErrorStack(err)))
}
// TestFailCommitPrimaryKeyError tests KeyError is handled properly when
// committing primary region task.
func (s *testCommitterSuite) TestFailCommitPrimaryKeyError(c *C) {
gofail.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcCommitResult", `return("keyError")`)
defer gofail.Disable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcCommitResult")
// Ensure it returns the original error without wrapped to ErrResultUndetermined
// if it meets KeyError.
t3 := s.begin(c)
err := t3.Set([]byte("c"), []byte("c1"))
c.Assert(err, IsNil)
err = t3.Commit(context.Background())
c.Assert(err, NotNil)
c.Assert(terror.ErrorNotEqual(err, terror.ErrResultUndetermined), IsTrue)
}
func (s *testCommitterSuite) TestFailCommitTimeout(c *C) {
gofail.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcCommitTimeout", `return(true)`)
defer gofail.Disable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcCommitTimeout")
txn := s.begin(c)
err := txn.Set([]byte("a"), []byte("a1"))
c.Assert(err, IsNil)
err = txn.Set([]byte("b"), []byte("b1"))
c.Assert(err, IsNil)
err = txn.Set([]byte("c"), []byte("c1"))
c.Assert(err, IsNil)
err = txn.Commit(context.Background())
c.Assert(err, NotNil)
txn2 := s.begin(c)
value, err := txn2.Get([]byte("a"))
c.Assert(err, IsNil)
c.Assert(len(value), Greater, 0)
_, err = txn2.Get([]byte("b"))
c.Assert(err, IsNil)
c.Assert(len(value), Greater, 0)
}