133 lines
4.0 KiB
Go
133 lines
4.0 KiB
Go
// Copyright 2024 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package restore_test
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import (
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"context"
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"fmt"
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"strings"
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"testing"
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"github.com/pingcap/failpoint"
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"github.com/pingcap/tidb/br/pkg/mock"
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"github.com/pingcap/tidb/br/pkg/restore"
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"github.com/pingcap/tidb/br/pkg/utiltest"
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"github.com/pingcap/tidb/pkg/kv"
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"github.com/pingcap/tidb/pkg/parser/model"
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"github.com/pingcap/tidb/pkg/session"
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"github.com/stretchr/testify/require"
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)
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func TestTransferBoolToValue(t *testing.T) {
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require.Equal(t, "ON", restore.TransferBoolToValue(true))
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require.Equal(t, "OFF", restore.TransferBoolToValue(false))
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}
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func TestGetTableSchema(t *testing.T) {
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m, err := mock.NewCluster()
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require.Nil(t, err)
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defer m.Stop()
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dom := m.Domain
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_, err = restore.GetTableSchema(dom, model.NewCIStr("test"), model.NewCIStr("tidb"))
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require.Error(t, err)
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tableInfo, err := restore.GetTableSchema(dom, model.NewCIStr("mysql"), model.NewCIStr("tidb"))
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require.NoError(t, err)
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require.Equal(t, model.NewCIStr("tidb"), tableInfo.Name)
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}
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func TestAssertUserDBsEmpty(t *testing.T) {
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m, err := mock.NewCluster()
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require.Nil(t, err)
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defer m.Stop()
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dom := m.Domain
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ctx := kv.WithInternalSourceType(context.Background(), kv.InternalTxnBR)
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se, err := session.CreateSession(dom.Store())
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require.Nil(t, err)
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err = restore.AssertUserDBsEmpty(dom)
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require.Nil(t, err)
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_, err = se.ExecuteInternal(ctx, "CREATE DATABASE d1;")
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require.Nil(t, err)
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err = restore.AssertUserDBsEmpty(dom)
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require.Error(t, err)
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require.Contains(t, err.Error(), "d1.")
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_, err = se.ExecuteInternal(ctx, "CREATE TABLE d1.test(id int);")
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require.Nil(t, err)
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err = restore.AssertUserDBsEmpty(dom)
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require.Error(t, err)
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require.Contains(t, err.Error(), "d1.test")
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_, err = se.ExecuteInternal(ctx, "DROP DATABASE d1;")
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require.Nil(t, err)
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for i := 0; i < 15; i += 1 {
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_, err = se.ExecuteInternal(ctx, fmt.Sprintf("CREATE DATABASE d%d;", i))
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require.Nil(t, err)
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}
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err = restore.AssertUserDBsEmpty(dom)
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require.Error(t, err)
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containCount := 0
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for i := 0; i < 15; i += 1 {
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if strings.Contains(err.Error(), fmt.Sprintf("d%d.", i)) {
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containCount += 1
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}
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}
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require.Equal(t, 10, containCount)
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for i := 0; i < 15; i += 1 {
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_, err = se.ExecuteInternal(ctx, fmt.Sprintf("CREATE TABLE d%d.t1(id int);", i))
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require.Nil(t, err)
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}
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err = restore.AssertUserDBsEmpty(dom)
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require.Error(t, err)
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containCount = 0
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for i := 0; i < 15; i += 1 {
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if strings.Contains(err.Error(), fmt.Sprintf("d%d.t1", i)) {
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containCount += 1
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}
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}
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require.Equal(t, 10, containCount)
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}
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func TestGetTSWithRetry(t *testing.T) {
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t.Run("PD leader is healthy:", func(t *testing.T) {
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retryTimes := -1000
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pDClient := utiltest.NewFakePDClient(nil, false, &retryTimes)
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_, err := restore.GetTSWithRetry(context.Background(), pDClient)
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require.NoError(t, err)
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})
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t.Run("PD leader failure:", func(t *testing.T) {
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/br/pkg/utils/set-attempt-to-one", "1*return(true)"))
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defer func() {
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/br/pkg/utils/set-attempt-to-one"))
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}()
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retryTimes := -1000
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pDClient := utiltest.NewFakePDClient(nil, true, &retryTimes)
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_, err := restore.GetTSWithRetry(context.Background(), pDClient)
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require.Error(t, err)
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})
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t.Run("PD leader switch successfully", func(t *testing.T) {
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retryTimes := 0
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pDClient := utiltest.NewFakePDClient(nil, true, &retryTimes)
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_, err := restore.GetTSWithRetry(context.Background(), pDClient)
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require.NoError(t, err)
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})
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}
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