114 lines
2.6 KiB
Go
114 lines
2.6 KiB
Go
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// Copyright (c) 2017 Couchbase, 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 scorch
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import (
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"testing"
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"github.com/blevesearch/bleve/document"
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"github.com/blevesearch/bleve/index"
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)
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func TestIndexRollback(t *testing.T) {
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defer func() {
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err := DestroyTest()
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if err != nil {
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t.Fatal(err)
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}
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}()
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analysisQueue := index.NewAnalysisQueue(1)
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idx, err := NewScorch(Name, testConfig, analysisQueue)
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if err != nil {
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t.Fatal(err)
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}
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err = idx.Open()
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if err != nil {
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t.Fatalf("error opening index: %v", err)
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}
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defer func() {
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err := idx.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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// create 2 docs
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doc := document.NewDocument("1")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test1")))
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err = idx.Update(doc)
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if err != nil {
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t.Error(err)
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}
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doc = document.NewDocument("2")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test2")))
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err = idx.Update(doc)
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if err != nil {
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t.Error(err)
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}
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// create a batch, insert new doc, update existing doc, delete existing doc
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batch := index.NewBatch()
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doc = document.NewDocument("3")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test3")))
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batch.Update(doc)
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doc = document.NewDocument("2")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test2updated")))
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batch.Update(doc)
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batch.Delete("1")
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err = idx.Batch(batch)
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if err != nil {
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t.Error(err)
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}
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sh, ok := idx.(*Scorch)
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if !ok {
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t.Errorf("Not a scorch index?")
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}
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// Get Last persisted snapshot
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ss, err := sh.PreviousPersistedSnapshot(nil)
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if err != nil {
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t.Error(err)
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}
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// Retrieve the snapshot earlier
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prev, err := sh.PreviousPersistedSnapshot(ss)
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if err != nil {
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t.Error(err)
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}
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err = sh.SnapshotRevert(prev)
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if err != nil {
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t.Error(err)
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}
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newRoot := sh.root
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if newRoot != nil && prev != nil {
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if newRoot.epoch <= prev.epoch {
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t.Errorf("Unexpected epoch, %v <= %v", newRoot.epoch, prev.epoch)
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}
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} else {
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if prev == nil {
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t.Errorf("The last persisted snapshot before the revert was nil!")
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}
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if newRoot == nil {
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t.Errorf("The new root has been set to nil?")
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}
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}
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}
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