Files
tidb/pkg/ddl/backfilling_test.go

87 lines
2.5 KiB
Go

// Copyright 2022 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 ddl
import (
"bytes"
"context"
"testing"
"github.com/pingcap/tidb/pkg/ddl/ingest"
"github.com/pingcap/tidb/pkg/kv"
"github.com/pingcap/tidb/pkg/parser/model"
"github.com/pingcap/tidb/pkg/sessionctx"
"github.com/stretchr/testify/require"
)
func TestDoneTaskKeeper(t *testing.T) {
n := newDoneTaskKeeper(kv.Key("a"))
n.updateNextKey(0, kv.Key("b"))
n.updateNextKey(1, kv.Key("c"))
require.True(t, bytes.Equal(n.nextKey, kv.Key("c")))
require.Len(t, n.doneTaskNextKey, 0)
n.updateNextKey(4, kv.Key("f"))
require.True(t, bytes.Equal(n.nextKey, kv.Key("c")))
require.Len(t, n.doneTaskNextKey, 1)
n.updateNextKey(3, kv.Key("e"))
n.updateNextKey(5, kv.Key("g"))
require.True(t, bytes.Equal(n.nextKey, kv.Key("c")))
require.Len(t, n.doneTaskNextKey, 3)
n.updateNextKey(2, kv.Key("d"))
require.True(t, bytes.Equal(n.nextKey, kv.Key("g")))
require.Len(t, n.doneTaskNextKey, 0)
n.updateNextKey(6, kv.Key("h"))
require.True(t, bytes.Equal(n.nextKey, kv.Key("h")))
}
func TestPickBackfillType(t *testing.T) {
originMgr := ingest.LitBackCtxMgr
originInit := ingest.LitInitialized
defer func() {
ingest.LitBackCtxMgr = originMgr
ingest.LitInitialized = originInit
}()
mockMgr := ingest.NewMockBackendCtxMgr(
func() sessionctx.Context {
return nil
})
ingest.LitBackCtxMgr = mockMgr
mockCtx := context.Background()
mockJob := &model.Job{
ID: 1,
ReorgMeta: &model.DDLReorgMeta{
ReorgTp: model.ReorgTypeTxn,
},
}
mockJob.ReorgMeta.IsFastReorg = true
tp, err := pickBackfillType(mockCtx, mockJob)
require.NoError(t, err)
require.Equal(t, tp, model.ReorgTypeTxn)
mockJob.ReorgMeta.ReorgTp = model.ReorgTypeNone
ingest.LitInitialized = false
tp, err = pickBackfillType(mockCtx, mockJob)
require.NoError(t, err)
require.Equal(t, tp, model.ReorgTypeTxnMerge)
mockJob.ReorgMeta.ReorgTp = model.ReorgTypeNone
ingest.LitInitialized = true
tp, err = pickBackfillType(mockCtx, mockJob)
require.NoError(t, err)
require.Equal(t, tp, model.ReorgTypeLitMerge)
}