97902e2619
1. text analysis is now done before the write lock is acquired 2. there is now a pool of analysis workers 3. the size of this pool is configurable 4. this allows for documents in a batch to be analyzed concurrently as a part of benchmarking these changes i've also introduce a new null storage implementation. this should never be used, as it does not actualy build an index. it does however let us go through all the normal indexing machinery, without incuring any indexing I/O. this is very helpful in measuring improvements made to the text analsysis pipeline, which are often overshadowed by indexing times in benchmarks actually building an index.
241 lines
6.1 KiB
Go
241 lines
6.1 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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package upside_down
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import (
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"os"
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"reflect"
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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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"github.com/blevesearch/bleve/index/store/boltdb"
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)
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func TestIndexReader(t *testing.T) {
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defer os.RemoveAll("test")
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store, err := boltdb.Open("test", "bleve")
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analysisQueue := NewAnalysisQueue(1)
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idx := NewUpsideDownCouch(store, analysisQueue)
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err = idx.Open()
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if err != nil {
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t.Errorf("error opening index: %v", err)
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}
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defer idx.Close()
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var expectedCount uint64
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doc := document.NewDocument("1")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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expectedCount++
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doc = document.NewDocument("2")
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doc.AddField(document.NewTextFieldWithAnalyzer("name", []uint64{}, []byte("test test test"), testAnalyzer))
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doc.AddField(document.NewTextFieldCustom("desc", []uint64{}, []byte("eat more rice"), document.IndexField|document.IncludeTermVectors, testAnalyzer))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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expectedCount++
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indexReader := idx.Reader()
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defer indexReader.Close()
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// first look for a term that doesnt exist
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reader, err := indexReader.TermFieldReader([]byte("nope"), "name")
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if err != nil {
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t.Errorf("Error accessing term field reader: %v", err)
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}
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count := reader.Count()
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if count != 0 {
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t.Errorf("Expected doc count to be: %d got: %d", 0, count)
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}
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reader.Close()
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reader, err = indexReader.TermFieldReader([]byte("test"), "name")
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if err != nil {
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t.Errorf("Error accessing term field reader: %v", err)
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}
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expectedCount = 2
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count = reader.Count()
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if count != expectedCount {
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t.Errorf("Exptected doc count to be: %d got: %d", expectedCount, count)
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}
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var match *index.TermFieldDoc
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var actualCount uint64
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match, err = reader.Next()
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for err == nil && match != nil {
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match, err = reader.Next()
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if err != nil {
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t.Errorf("unexpected error reading next")
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}
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actualCount++
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}
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if actualCount != count {
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t.Errorf("count was 2, but only saw %d", actualCount)
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}
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expectedMatch := &index.TermFieldDoc{
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ID: "2",
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Freq: 1,
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Norm: 0.5773502588272095,
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Vectors: []*index.TermFieldVector{
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&index.TermFieldVector{
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Field: "desc",
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Pos: 3,
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Start: 9,
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End: 13,
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},
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},
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}
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tfr, err := indexReader.TermFieldReader([]byte("rice"), "desc")
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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match, err = tfr.Next()
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if !reflect.DeepEqual(expectedMatch, match) {
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t.Errorf("got %#v, expected %#v", match, expectedMatch)
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}
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reader.Close()
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// now test usage of advance
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reader, err = indexReader.TermFieldReader([]byte("test"), "name")
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if err != nil {
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t.Errorf("Error accessing term field reader: %v", err)
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}
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match, err = reader.Advance("2")
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if match == nil {
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t.Fatalf("Expected match, got nil")
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}
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if match.ID != "2" {
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t.Errorf("Expected ID '2', got '%s'", match.ID)
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}
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match, err = reader.Advance("3")
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if match != nil {
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t.Errorf("expected nil, got %v", match)
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}
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reader.Close()
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// now test creating a reader for a field that doesn't exist
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reader, err = indexReader.TermFieldReader([]byte("water"), "doesnotexist")
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if err != nil {
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t.Errorf("Error accessing term field reader: %v", err)
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}
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count = reader.Count()
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if count != 0 {
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t.Errorf("expected count 0 for reader of non-existant field")
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}
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match, err = reader.Next()
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if match != nil {
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t.Errorf("expected nil, got %v", match)
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}
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match, err = reader.Advance("anywhere")
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if match != nil {
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t.Errorf("expected nil, got %v", match)
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}
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}
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func TestIndexDocIdReader(t *testing.T) {
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defer os.RemoveAll("test")
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store, err := boltdb.Open("test", "bleve")
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analysisQueue := NewAnalysisQueue(1)
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idx := NewUpsideDownCouch(store, analysisQueue)
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err = idx.Open()
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if err != nil {
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t.Errorf("error opening index: %v", err)
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}
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defer idx.Close()
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var expectedCount uint64
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doc := document.NewDocument("1")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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expectedCount++
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doc = document.NewDocument("2")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test test test")))
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doc.AddField(document.NewTextFieldWithIndexingOptions("desc", []uint64{}, []byte("eat more rice"), document.IndexField|document.IncludeTermVectors))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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expectedCount++
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indexReader := idx.Reader()
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defer indexReader.Close()
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// first get all doc ids
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reader, err := indexReader.DocIDReader("", "")
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if err != nil {
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t.Errorf("Error accessing doc id reader: %v", err)
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}
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defer reader.Close()
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id, err := reader.Next()
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count := uint64(0)
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for id != "" {
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count++
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id, err = reader.Next()
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}
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if count != expectedCount {
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t.Errorf("expected %d, got %d", expectedCount, count)
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}
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// try it again, but jump to the second doc this time
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reader, err = indexReader.DocIDReader("", "")
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if err != nil {
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t.Errorf("Error accessing doc id reader: %v", err)
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}
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defer reader.Close()
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id, err = reader.Advance("2")
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if err != nil {
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t.Error(err)
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}
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if id != "2" {
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t.Errorf("expected to find id '2', got '%s'", id)
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}
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id, err = reader.Advance("3")
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if err != nil {
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t.Error(err)
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}
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if id != "" {
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t.Errorf("expected to find id '', got '%s'", id)
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}
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}
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