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