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bleve/index/firestorm/garbage_test.go
2015-12-25 11:33:46 +07:00

133 lines
3.4 KiB
Go

// Copyright (c) 2015 Couchbase, 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 firestorm
import (
"testing"
"time"
"github.com/blevesearch/bleve/index"
"github.com/blevesearch/bleve/index/store/gtreap"
)
func TestGarbageCleanup(t *testing.T) {
aq := index.NewAnalysisQueue(1)
f, err := NewFirestorm(gtreap.Name, nil, aq)
if err != nil {
t.Fatal(err)
}
err = f.Open()
if err != nil {
t.Fatal(err)
}
kvwriter, err := f.(*Firestorm).store.Writer()
if err != nil {
t.Fatal(err)
}
rows := []struct {
row index.IndexRow
garbage bool
}{
// needed for warmup to work
{NewFieldRow(0, IDFieldName), false},
// 3 documents, with 2 older versions
{NewTermFreqRow(0, nil, []byte("a"), 1, 0, 0.0, nil), true},
{NewTermFreqRow(0, nil, []byte("a"), 2, 0, 0.0, nil), false},
{NewTermFreqRow(0, nil, []byte("b"), 3, 0, 0.0, nil), false},
{NewTermFreqRow(0, nil, []byte("c"), 4, 0, 0.0, nil), true},
{NewTermFreqRow(0, nil, []byte("c"), 5, 0, 0.0, nil), false},
// additional records for these docs which should be removed
{NewTermFreqRow(1, []byte("cat"), []byte("a"), 1, 3, 2.0, nil), true},
{NewTermFreqRow(1, []byte("cat"), []byte("c"), 4, 1, 1.0, nil), true},
{NewStoredRow([]byte("a"), 1, 1, nil, []byte("tcat")), true},
{NewStoredRow([]byte("c"), 4, 1, nil, []byte("tcat")), true},
}
for _, row := range rows {
wb := kvwriter.NewBatch()
wb.Set(row.row.Key(), row.row.Value())
err = kvwriter.ExecuteBatch(wb)
if err != nil {
t.Fatal(err)
}
}
err = kvwriter.Close()
if err != nil {
t.Fatal(err)
}
kvreader, err := f.(*Firestorm).store.Reader()
if err != nil {
t.Fatal(err)
}
// warmup ensures that deletedDocNums is seeded correctly
err = f.(*Firestorm).warmup(kvreader)
if err != nil {
t.Fatal(err)
}
err = kvreader.Close()
if err != nil {
t.Fatal(err)
}
// now invoke garbage collector cleanup manually
f.(*Firestorm).garbageCollector.cleanup()
// assert that garbage rows are gone
reader, err := f.(*Firestorm).store.Reader()
if err != nil {
t.Fatal(err)
}
for _, row := range rows {
v, err := reader.Get(row.row.Key())
if err != nil {
t.Fatal(err)
}
if v != nil && row.garbage {
t.Errorf("garbage row not deleted, key: %s", row.row.Key())
}
if v == nil && !row.garbage {
t.Errorf("non-garbage row deleted, key: %s", row.row.Key())
}
}
err = reader.Close()
if err != nil {
t.Fatal(err)
}
// assert that deletedDocsNumbers size is 0
if f.(*Firestorm).compensator.GarbageCount() != 0 {
t.Errorf("expected deletedDocsNumbers size to be 0, got %d", f.(*Firestorm).compensator.GarbageCount())
}
}
func TestGarbageDontPanicOnEmptyDocs(t *testing.T) {
idx, err := NewFirestorm("", nil, index.NewAnalysisQueue(1))
if err != nil {
t.Fatal(err)
}
f := idx.(*Firestorm)
gc := NewGarbageCollector(f)
gc.garbageSleep = 30 * time.Millisecond
gc.Start()
time.Sleep(40 * time.Millisecond)
gc.Stop()
}