Files
tidb/pkg/store/batch_coprocessor_test.go

119 lines
4.6 KiB
Go

// Copyright 2020 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 store_test
import (
"context"
"fmt"
"testing"
"github.com/pingcap/errors"
"github.com/pingcap/failpoint"
"github.com/pingcap/kvproto/pkg/metapb"
"github.com/pingcap/tidb/pkg/domain"
"github.com/pingcap/tidb/pkg/store/mockstore"
"github.com/pingcap/tidb/pkg/store/mockstore/unistore"
"github.com/pingcap/tidb/pkg/testkit"
"github.com/pingcap/tidb/pkg/testkit/external"
"github.com/stretchr/testify/require"
"github.com/tikv/client-go/v2/testutils"
)
func createMockTiKVStoreOptions(tiflashNum int) []mockstore.MockTiKVStoreOption {
return []mockstore.MockTiKVStoreOption{
mockstore.WithClusterInspector(func(c testutils.Cluster) {
mockCluster := c.(*unistore.Cluster)
_, _, region1 := mockstore.BootstrapWithSingleStore(c)
tiflashIdx := 0
for tiflashIdx < tiflashNum {
store2 := c.AllocID()
peer2 := c.AllocID()
addr2 := fmt.Sprintf("tiflash%d", tiflashIdx)
mockCluster.AddStore(store2, addr2, &metapb.StoreLabel{Key: "engine", Value: "tiflash"})
mockCluster.AddPeer(region1, store2, peer2)
tiflashIdx++
}
}),
mockstore.WithStoreType(mockstore.EmbedUnistore),
}
}
func TestStoreErr(t *testing.T) {
store := testkit.CreateMockStore(t, createMockTiKVStoreOptions(1)...)
require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/infoschema/mockTiFlashStoreCount", `return(true)`))
defer func() {
require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/infoschema/mockTiFlashStoreCount"))
}()
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec("create table t(a int not null, b int not null)")
tk.MustExec("alter table t set tiflash replica 1")
tb := external.GetTableByName(t, tk, "test", "t")
tk.MustExec("set @@session.tidb_allow_tiflash_cop=ON")
err := domain.GetDomain(tk.Session()).DDLExecutor().UpdateTableReplicaInfo(tk.Session(), tb.Meta().ID, true)
require.NoError(t, err)
tk.MustExec("insert into t values(1,0)")
tk.MustExec("set @@session.tidb_isolation_read_engines=\"tiflash\"")
tk.MustExec("set @@session.tidb_allow_mpp=OFF")
require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/store/mockstore/unistore/BatchCopCancelled", "1*return(true)"))
err = tk.QueryToErr("select count(*) from t")
require.Equal(t, context.Canceled, errors.Cause(err))
require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/store/mockstore/unistore/BatchCopRpcErrtiflash0", "1*return(\"tiflash0\")"))
tk.MustQuery("select count(*) from t").Check(testkit.Rows("1"))
require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/store/mockstore/unistore/BatchCopRpcErrtiflash0", "return(\"tiflash0\")"))
err = tk.QueryToErr("select count(*) from t")
require.Error(t, err)
}
func TestStoreSwitchPeer(t *testing.T) {
store := testkit.CreateMockStore(t, createMockTiKVStoreOptions(2)...)
require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/infoschema/mockTiFlashStoreCount", `return(true)`))
defer func() {
require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/infoschema/mockTiFlashStoreCount"))
}()
tk := testkit.NewTestKit(t, store)
tk.MustExec("use test")
tk.MustExec("create table t(a int not null, b int not null)")
tk.MustExec("alter table t set tiflash replica 1")
tb := external.GetTableByName(t, tk, "test", "t")
tk.MustExec("set @@session.tidb_allow_tiflash_cop=ON")
err := domain.GetDomain(tk.Session()).DDLExecutor().UpdateTableReplicaInfo(tk.Session(), tb.Meta().ID, true)
require.NoError(t, err)
tk.MustExec("insert into t values(1,0)")
tk.MustExec("set @@session.tidb_isolation_read_engines=\"tiflash\"")
tk.MustExec("set @@session.tidb_allow_mpp=OFF")
require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/store/mockstore/unistore/BatchCopRpcErrtiflash0", "return(\"tiflash0\")"))
tk.MustQuery("select count(*) from t").Check(testkit.Rows("1"))
require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/store/mockstore/unistore/BatchCopRpcErrtiflash1", "return(\"tiflash1\")"))
err = tk.QueryToErr("select count(*) from t")
require.Error(t, err)
}