Files
tidb/br/pkg/restore/misc_test.go
2024-07-25 06:31:35 +00:00

133 lines
4.0 KiB
Go

// Copyright 2024 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 restore_test
import (
"context"
"fmt"
"strings"
"testing"
"github.com/pingcap/failpoint"
"github.com/pingcap/tidb/br/pkg/mock"
"github.com/pingcap/tidb/br/pkg/restore"
"github.com/pingcap/tidb/br/pkg/utiltest"
"github.com/pingcap/tidb/pkg/kv"
"github.com/pingcap/tidb/pkg/parser/model"
"github.com/pingcap/tidb/pkg/session"
"github.com/stretchr/testify/require"
)
func TestTransferBoolToValue(t *testing.T) {
require.Equal(t, "ON", restore.TransferBoolToValue(true))
require.Equal(t, "OFF", restore.TransferBoolToValue(false))
}
func TestGetTableSchema(t *testing.T) {
m, err := mock.NewCluster()
require.Nil(t, err)
defer m.Stop()
dom := m.Domain
_, err = restore.GetTableSchema(dom, model.NewCIStr("test"), model.NewCIStr("tidb"))
require.Error(t, err)
tableInfo, err := restore.GetTableSchema(dom, model.NewCIStr("mysql"), model.NewCIStr("tidb"))
require.NoError(t, err)
require.Equal(t, model.NewCIStr("tidb"), tableInfo.Name)
}
func TestAssertUserDBsEmpty(t *testing.T) {
m, err := mock.NewCluster()
require.Nil(t, err)
defer m.Stop()
dom := m.Domain
ctx := kv.WithInternalSourceType(context.Background(), kv.InternalTxnBR)
se, err := session.CreateSession(dom.Store())
require.Nil(t, err)
err = restore.AssertUserDBsEmpty(dom)
require.Nil(t, err)
_, err = se.ExecuteInternal(ctx, "CREATE DATABASE d1;")
require.Nil(t, err)
err = restore.AssertUserDBsEmpty(dom)
require.Error(t, err)
require.Contains(t, err.Error(), "d1.")
_, err = se.ExecuteInternal(ctx, "CREATE TABLE d1.test(id int);")
require.Nil(t, err)
err = restore.AssertUserDBsEmpty(dom)
require.Error(t, err)
require.Contains(t, err.Error(), "d1.test")
_, err = se.ExecuteInternal(ctx, "DROP DATABASE d1;")
require.Nil(t, err)
for i := 0; i < 15; i += 1 {
_, err = se.ExecuteInternal(ctx, fmt.Sprintf("CREATE DATABASE d%d;", i))
require.Nil(t, err)
}
err = restore.AssertUserDBsEmpty(dom)
require.Error(t, err)
containCount := 0
for i := 0; i < 15; i += 1 {
if strings.Contains(err.Error(), fmt.Sprintf("d%d.", i)) {
containCount += 1
}
}
require.Equal(t, 10, containCount)
for i := 0; i < 15; i += 1 {
_, err = se.ExecuteInternal(ctx, fmt.Sprintf("CREATE TABLE d%d.t1(id int);", i))
require.Nil(t, err)
}
err = restore.AssertUserDBsEmpty(dom)
require.Error(t, err)
containCount = 0
for i := 0; i < 15; i += 1 {
if strings.Contains(err.Error(), fmt.Sprintf("d%d.t1", i)) {
containCount += 1
}
}
require.Equal(t, 10, containCount)
}
func TestGetTSWithRetry(t *testing.T) {
t.Run("PD leader is healthy:", func(t *testing.T) {
retryTimes := -1000
pDClient := utiltest.NewFakePDClient(nil, false, &retryTimes)
_, err := restore.GetTSWithRetry(context.Background(), pDClient)
require.NoError(t, err)
})
t.Run("PD leader failure:", func(t *testing.T) {
require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/br/pkg/utils/set-attempt-to-one", "1*return(true)"))
defer func() {
require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/br/pkg/utils/set-attempt-to-one"))
}()
retryTimes := -1000
pDClient := utiltest.NewFakePDClient(nil, true, &retryTimes)
_, err := restore.GetTSWithRetry(context.Background(), pDClient)
require.Error(t, err)
})
t.Run("PD leader switch successfully", func(t *testing.T) {
retryTimes := 0
pDClient := utiltest.NewFakePDClient(nil, true, &retryTimes)
_, err := restore.GetTSWithRetry(context.Background(), pDClient)
require.NoError(t, err)
})
}