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index_test.go
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index_test.go
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// Copyright (c) 2014 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:https://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 bleve
import (
"context"
"encoding/json"
"fmt"
"io"
"log"
"math"
"os"
"path/filepath"
"reflect"
"sort"
"strconv"
"strings"
"sync"
"testing"
"time"
"github.com/blevesearch/bleve/v2/analysis/analyzer/keyword"
"github.com/blevesearch/bleve/v2/document"
"github.com/blevesearch/bleve/v2/index/upsidedown/store/boltdb"
"github.com/blevesearch/bleve/v2/index/upsidedown/store/null"
"github.com/blevesearch/bleve/v2/mapping"
"github.com/blevesearch/bleve/v2/search"
"github.com/blevesearch/bleve/v2/search/query"
index "github.com/blevesearch/bleve_index_api"
"github.com/blevesearch/bleve/v2/index/scorch"
"github.com/blevesearch/bleve/v2/index/upsidedown"
)
type Fatalfable interface {
Fatalf(format string, args ...interface{})
}
func createTmpIndexPath(f Fatalfable) string {
tmpIndexPath, err := os.MkdirTemp("", "bleve-testidx")
if err != nil {
f.Fatalf("error creating temp dir: %v", err)
}
return tmpIndexPath
}
func cleanupTmpIndexPath(f Fatalfable, path string) {
err := os.RemoveAll(path)
if err != nil {
f.Fatalf("error removing temp dir: %v", err)
}
}
func TestCrud(t *testing.T) {
tmpIndexPath := createTmpIndexPath(t)
defer cleanupTmpIndexPath(t, tmpIndexPath)
idx, err := New(tmpIndexPath, NewIndexMapping())
if err != nil {
t.Fatal(err)
}
doca := map[string]interface{}{
"name": "marty",
"desc": "gophercon india",
}
err = idx.Index("a", doca)
if err != nil {
t.Error(err)
}
docy := map[string]interface{}{
"name": "jasper",
"desc": "clojure",
}
err = idx.Index("y", docy)
if err != nil {
t.Error(err)
}
err = idx.Delete("y")
if err != nil {
t.Error(err)
}
docx := map[string]interface{}{
"name": "rose",
"desc": "googler",
}
err = idx.Index("x", docx)
if err != nil {
t.Error(err)
}
err = idx.SetInternal([]byte("status"), []byte("pending"))
if err != nil {
t.Error(err)
}
docb := map[string]interface{}{
"name": "steve",
"desc": "cbft master",
}
batch := idx.NewBatch()
err = batch.Index("b", docb)
if err != nil {
t.Error(err)
}
batch.Delete("x")
batch.SetInternal([]byte("batchi"), []byte("batchv"))
batch.DeleteInternal([]byte("status"))
err = idx.Batch(batch)
if err != nil {
t.Error(err)
}
val, err := idx.GetInternal([]byte("batchi"))
if err != nil {
t.Error(err)
}
if string(val) != "batchv" {
t.Errorf("expected 'batchv', got '%s'", val)
}
val, err = idx.GetInternal([]byte("status"))
if err != nil {
t.Error(err)
}
if val != nil {
t.Errorf("expected nil, got '%s'", val)
}
err = idx.SetInternal([]byte("seqno"), []byte("7"))
if err != nil {
t.Error(err)
}
err = idx.SetInternal([]byte("status"), []byte("ready"))
if err != nil {
t.Error(err)
}
err = idx.DeleteInternal([]byte("status"))
if err != nil {
t.Error(err)
}
val, err = idx.GetInternal([]byte("status"))
if err != nil {
t.Error(err)
}
if val != nil {
t.Errorf("expected nil, got '%s'", val)
}
val, err = idx.GetInternal([]byte("seqno"))
if err != nil {
t.Error(err)
}
if string(val) != "7" {
t.Errorf("expected '7', got '%s'", val)
}
// close the index, open it again, and try some more things
err = idx.Close()
if err != nil {
t.Fatal(err)
}
idx, err = Open(tmpIndexPath)
if err != nil {
t.Fatal(err)
}
defer func() {
err := idx.Close()
if err != nil {
t.Fatal(err)
}
}()
count, err := idx.DocCount()
if err != nil {
t.Fatal(err)
}
if count != 2 {
t.Errorf("expected doc count 2, got %d", count)
}
doc, err := idx.Document("a")
if err != nil {
t.Fatal(err)
}
foundNameField := false
doc.VisitFields(func(field index.Field) {
if field.Name() == "name" && string(field.Value()) == "marty" {
foundNameField = true
}
})
if !foundNameField {
t.Errorf("expected to find field named 'name' with value 'marty'")
}
fields, err := idx.Fields()
if err != nil {
t.Fatal(err)
}
expectedFields := map[string]bool{
"_all": false,
"name": false,
"desc": false,
}
if len(fields) < len(expectedFields) {
t.Fatalf("expected %d fields got %d", len(expectedFields), len(fields))
}
for _, f := range fields {
expectedFields[f] = true
}
for ef, efp := range expectedFields {
if !efp {
t.Errorf("field %s is missing", ef)
}
}
}
func approxSame(actual, expected uint64) bool {
modulus := func(a, b uint64) uint64 {
if a > b {
return a - b
}
return b - a
}
return float64(modulus(actual, expected))/float64(expected) < float64(0.30)
}
func checkStatsOnIndexedBatch(indexPath string, indexMapping mapping.IndexMapping,
expectedVal uint64) error {
var wg sync.WaitGroup
var statValError error
idx, err := NewUsing(indexPath, indexMapping, Config.DefaultIndexType, Config.DefaultMemKVStore, nil)
if err != nil {
return err
}
batch, err := getBatchFromData(idx, "sample-data.json")
if err != nil {
return fmt.Errorf("failed to form a batch %v\n", err)
}
wg.Add(1)
batch.SetPersistedCallback(func(e error) {
defer wg.Done()
stats, _ := idx.StatsMap()["index"].(map[string]interface{})
bytesWritten, _ := stats["num_bytes_written_at_index_time"].(uint64)
if !approxSame(bytesWritten, expectedVal) {
statValError = fmt.Errorf("expected bytes written is %d, got %v", expectedVal,
bytesWritten)
}
})
err = idx.Batch(batch)
if err != nil {
return fmt.Errorf("failed to index batch %v\n", err)
}
wg.Wait()
idx.Close()
return statValError
}
func TestBytesWritten(t *testing.T) {
tmpIndexPath := createTmpIndexPath(t)
indexMapping := NewIndexMapping()
indexMapping.TypeField = "type"
indexMapping.DefaultAnalyzer = "en"
documentMapping := NewDocumentMapping()
indexMapping.AddDocumentMapping("hotel", documentMapping)
indexMapping.DocValuesDynamic = false
indexMapping.StoreDynamic = false
contentFieldMapping := NewTextFieldMapping()
contentFieldMapping.Index = true
contentFieldMapping.Store = false
contentFieldMapping.IncludeInAll = false
contentFieldMapping.IncludeTermVectors = false
contentFieldMapping.DocValues = false
reviewsMapping := NewDocumentMapping()
reviewsMapping.AddFieldMappingsAt("content", contentFieldMapping)
documentMapping.AddSubDocumentMapping("reviews", reviewsMapping)
typeFieldMapping := NewTextFieldMapping()
typeFieldMapping.Store = false
typeFieldMapping.IncludeInAll = false
typeFieldMapping.IncludeTermVectors = false
typeFieldMapping.DocValues = false
documentMapping.AddFieldMappingsAt("type", typeFieldMapping)
err = checkStatsOnIndexedBatch(tmpIndexPath, indexMapping, 57273)
if err != nil {
t.Fatal(err)
}
cleanupTmpIndexPath(t, tmpIndexPath)
contentFieldMapping.Store = true
tmpIndexPath1 := createTmpIndexPath(t)
err := checkStatsOnIndexedBatch(tmpIndexPath1, indexMapping, 76069)
if err != nil {
t.Fatal(err)
}
cleanupTmpIndexPath(t, tmpIndexPath1)
contentFieldMapping.Store = false
contentFieldMapping.IncludeInAll = true
tmpIndexPath2 := createTmpIndexPath(t)
err = checkStatsOnIndexedBatch(tmpIndexPath2, indexMapping, 68875)
if err != nil {
t.Fatal(err)
}
cleanupTmpIndexPath(t, tmpIndexPath2)
contentFieldMapping.IncludeInAll = false
contentFieldMapping.IncludeTermVectors = true
tmpIndexPath3 := createTmpIndexPath(t)
err = checkStatsOnIndexedBatch(tmpIndexPath3, indexMapping, 78985)
if err != nil {
t.Fatal(err)
}
cleanupTmpIndexPath(t, tmpIndexPath3)
contentFieldMapping.IncludeTermVectors = false
contentFieldMapping.DocValues = true
tmpIndexPath4 := createTmpIndexPath(t)
err = checkStatsOnIndexedBatch(tmpIndexPath4, indexMapping, 64228)
if err != nil {
t.Fatal(err)
}
cleanupTmpIndexPath(t, tmpIndexPath4)
}
func TestBytesRead(t *testing.T) {
tmpIndexPath := createTmpIndexPath(t)
defer cleanupTmpIndexPath(t, tmpIndexPath)
indexMapping := NewIndexMapping()
indexMapping.TypeField = "type"
indexMapping.DefaultAnalyzer = "en"
documentMapping := NewDocumentMapping()
indexMapping.AddDocumentMapping("hotel", documentMapping)
indexMapping.StoreDynamic = false
indexMapping.DocValuesDynamic = false
contentFieldMapping := NewTextFieldMapping()
contentFieldMapping.Store = false
reviewsMapping := NewDocumentMapping()
reviewsMapping.AddFieldMappingsAt("content", contentFieldMapping)
documentMapping.AddSubDocumentMapping("reviews", reviewsMapping)
typeFieldMapping := NewTextFieldMapping()
typeFieldMapping.Store = false
documentMapping.AddFieldMappingsAt("type", typeFieldMapping)
idx, err := NewUsing(tmpIndexPath, indexMapping, Config.DefaultIndexType, Config.DefaultMemKVStore, nil)
if err != nil {
t.Fatal(err)
}
defer func() {
err := idx.Close()
if err != nil {
t.Fatal(err)
}
}()
batch, err := getBatchFromData(idx, "sample-data.json")
if err != nil {
t.Fatalf("failed to form a batch")
}
err = idx.Batch(batch)
if err != nil {
t.Fatalf("failed to index batch %v\n", err)
}
query := NewQueryStringQuery("united")
searchRequest := NewSearchRequestOptions(query, int(10), 0, true)
res, err := idx.Search(searchRequest)
if err != nil {
t.Error(err)
}
stats, _ := idx.StatsMap()["index"].(map[string]interface{})
prevBytesRead, _ := stats["num_bytes_read_at_query_time"].(uint64)
if prevBytesRead != 21639 && res.Cost == prevBytesRead {
t.Fatalf("expected bytes read for query string 21639, got %v",
prevBytesRead)
}
// subsequent queries on the same field results in lesser amount
// of bytes read because the segment static and dictionary is reused and not
// loaded from mmap'd filed
res, err = idx.Search(searchRequest)
if err != nil {
t.Error(err)
}
stats, _ = idx.StatsMap()["index"].(map[string]interface{})
bytesRead, _ := stats["num_bytes_read_at_query_time"].(uint64)
if bytesRead-prevBytesRead != 23 && res.Cost == bytesRead-prevBytesRead {
t.Fatalf("expected bytes read for query string 23, got %v",
bytesRead-prevBytesRead)
}
prevBytesRead = bytesRead
fuzz := NewFuzzyQuery("hotel")
fuzz.FieldVal = "reviews.content"
fuzz.Fuzziness = 2
searchRequest = NewSearchRequest(fuzz)
res, err = idx.Search(searchRequest)
if err != nil {
t.Error(err)
}
stats, _ = idx.StatsMap()["index"].(map[string]interface{})
bytesRead, _ = stats["num_bytes_read_at_query_time"].(uint64)
if bytesRead-prevBytesRead != 8468 && res.Cost == bytesRead-prevBytesRead {
t.Fatalf("expected bytes read for fuzzy query is 8468, got %v",
bytesRead-prevBytesRead)
}
prevBytesRead = bytesRead
typeFacet := NewFacetRequest("type", 2)
query = NewQueryStringQuery("united")
searchRequest = NewSearchRequestOptions(query, int(0), 0, true)
searchRequest.AddFacet("types", typeFacet)
res, err = idx.Search(searchRequest)
if err != nil {
t.Error(err)
}
stats, _ = idx.StatsMap()["index"].(map[string]interface{})
bytesRead, _ = stats["num_bytes_read_at_query_time"].(uint64)
if !approxSame(bytesRead-prevBytesRead, 150) && res.Cost == bytesRead-prevBytesRead {
t.Fatalf("expected bytes read for faceted query is around 150, got %v",
bytesRead-prevBytesRead)
}
prevBytesRead = bytesRead
min := float64(8660)
max := float64(8665)
numRangeQuery := NewNumericRangeQuery(&min, &max)
numRangeQuery.FieldVal = "id"
searchRequest = NewSearchRequestOptions(numRangeQuery, int(10), 0, true)
res, err = idx.Search(searchRequest)
if err != nil {
t.Error(err)
}
stats, _ = idx.StatsMap()["index"].(map[string]interface{})
bytesRead, _ = stats["num_bytes_read_at_query_time"].(uint64)
if bytesRead-prevBytesRead != 924 && res.Cost == bytesRead-prevBytesRead {
t.Fatalf("expected bytes read for numeric range query is 924, got %v",
bytesRead-prevBytesRead)
}
prevBytesRead = bytesRead
searchRequest = NewSearchRequestOptions(query, int(10), 0, true)
searchRequest.Highlight = &HighlightRequest{}
res, err = idx.Search(searchRequest)
if err != nil {
t.Error(err)
}
stats, _ = idx.StatsMap()["index"].(map[string]interface{})
bytesRead, _ = stats["num_bytes_read_at_query_time"].(uint64)
if bytesRead-prevBytesRead != 60 && res.Cost == bytesRead-prevBytesRead {
t.Fatalf("expected bytes read for query with highlighter is 60, got %v",
bytesRead-prevBytesRead)
}
prevBytesRead = bytesRead
disQuery := NewDisjunctionQuery(NewMatchQuery("hotel"), NewMatchQuery("united"))
searchRequest = NewSearchRequestOptions(disQuery, int(10), 0, true)
res, err = idx.Search(searchRequest)
if err != nil {
t.Error(err)
}
// expectation is that the bytes read is roughly equal to sum of sub queries in
// the disjunction query plus the segment loading portion for the second subquery
// since it's created afresh and not reused
stats, _ = idx.StatsMap()["index"].(map[string]interface{})
bytesRead, _ = stats["num_bytes_read_at_query_time"].(uint64)
if bytesRead-prevBytesRead != 83 && res.Cost == bytesRead-prevBytesRead {
t.Fatalf("expected bytes read for disjunction query is 83, got %v",
bytesRead-prevBytesRead)
}
}
func TestBytesReadStored(t *testing.T) {
tmpIndexPath := createTmpIndexPath(t)
defer cleanupTmpIndexPath(t, tmpIndexPath)
indexMapping := NewIndexMapping()
indexMapping.TypeField = "type"
indexMapping.DefaultAnalyzer = "en"
documentMapping := NewDocumentMapping()
indexMapping.AddDocumentMapping("hotel", documentMapping)
indexMapping.DocValuesDynamic = false
indexMapping.StoreDynamic = false
contentFieldMapping := NewTextFieldMapping()
contentFieldMapping.Store = true
contentFieldMapping.IncludeInAll = false
contentFieldMapping.IncludeTermVectors = false
reviewsMapping := NewDocumentMapping()
reviewsMapping.AddFieldMappingsAt("content", contentFieldMapping)
documentMapping.AddSubDocumentMapping("reviews", reviewsMapping)
typeFieldMapping := NewTextFieldMapping()
typeFieldMapping.Store = false
typeFieldMapping.IncludeInAll = false
typeFieldMapping.IncludeTermVectors = false
documentMapping.AddFieldMappingsAt("type", typeFieldMapping)
idx, err := NewUsing(tmpIndexPath, indexMapping, Config.DefaultIndexType, Config.DefaultMemKVStore, nil)
if err != nil {
t.Fatal(err)
}
batch, err := getBatchFromData(idx, "sample-data.json")
if err != nil {
t.Fatalf("failed to form a batch %v\n", err)
}
err = idx.Batch(batch)
if err != nil {
t.Fatalf("failed to index batch %v\n", err)
}
query := NewTermQuery("hotel")
query.FieldVal = "reviews.content"
searchRequest := NewSearchRequestOptions(query, int(10), 0, true)
res, err := idx.Search(searchRequest)
if err != nil {
t.Error(err)
}
stats, _ := idx.StatsMap()["index"].(map[string]interface{})
bytesRead, _ := stats["num_bytes_read_at_query_time"].(uint64)
if bytesRead != 11501 && bytesRead == res.Cost {
t.Fatalf("expected the bytes read stat to be around 11501, got %v", bytesRead)
}
prevBytesRead := bytesRead
searchRequest = NewSearchRequestOptions(query, int(10), 0, true)
res, err = idx.Search(searchRequest)
if err != nil {
t.Error(err)
}
stats, _ = idx.StatsMap()["index"].(map[string]interface{})
bytesRead, _ = stats["num_bytes_read_at_query_time"].(uint64)
if bytesRead-prevBytesRead != 15 && bytesRead-prevBytesRead == res.Cost {
t.Fatalf("expected the bytes read stat to be around 15, got %v", bytesRead-prevBytesRead)
}
prevBytesRead = bytesRead
searchRequest = NewSearchRequestOptions(query, int(10), 0, true)
searchRequest.Fields = []string{"*"}
res, err = idx.Search(searchRequest)
if err != nil {
t.Error(err)
}
stats, _ = idx.StatsMap()["index"].(map[string]interface{})
bytesRead, _ = stats["num_bytes_read_at_query_time"].(uint64)
if bytesRead-prevBytesRead != 26478 && bytesRead-prevBytesRead == res.Cost {
t.Fatalf("expected the bytes read stat to be around 26478, got %v",
bytesRead-prevBytesRead)
}
idx.Close()
cleanupTmpIndexPath(t, tmpIndexPath)
// same type of querying but on field "type"
contentFieldMapping.Store = false
typeFieldMapping.Store = true
tmpIndexPath1 := createTmpIndexPath(t)
defer cleanupTmpIndexPath(t, tmpIndexPath1)
idx1, err := NewUsing(tmpIndexPath1, indexMapping, Config.DefaultIndexType, Config.DefaultMemKVStore, nil)
if err != nil {
t.Fatal(err)
}
defer func() {
err := idx1.Close()
if err != nil {
t.Fatal(err)
}
}()
batch, err = getBatchFromData(idx1, "sample-data.json")
if err != nil {
t.Fatalf("failed to form a batch %v\n", err)
}
err = idx1.Batch(batch)
if err != nil {
t.Fatalf("failed to index batch %v\n", err)
}
query = NewTermQuery("hotel")
query.FieldVal = "type"
searchRequest = NewSearchRequestOptions(query, int(10), 0, true)
res, err = idx1.Search(searchRequest)
if err != nil {
t.Error(err)
}
stats, _ = idx1.StatsMap()["index"].(map[string]interface{})
bytesRead, _ = stats["num_bytes_read_at_query_time"].(uint64)
if bytesRead != 3687 && bytesRead == res.Cost {
t.Fatalf("expected the bytes read stat to be around 3687, got %v", bytesRead)
}
prevBytesRead = bytesRead
res, err = idx1.Search(searchRequest)
if err != nil {
t.Error(err)
}
stats, _ = idx1.StatsMap()["index"].(map[string]interface{})
bytesRead, _ = stats["num_bytes_read_at_query_time"].(uint64)
if bytesRead-prevBytesRead != 12 && bytesRead-prevBytesRead == res.Cost {
t.Fatalf("expected the bytes read stat to be around 12, got %v", bytesRead-prevBytesRead)
}
prevBytesRead = bytesRead
searchRequest.Fields = []string{"*"}
res, err = idx1.Search(searchRequest)
if err != nil {
t.Error(err)
}
stats, _ = idx1.StatsMap()["index"].(map[string]interface{})
bytesRead, _ = stats["num_bytes_read_at_query_time"].(uint64)
if bytesRead-prevBytesRead != 42 && bytesRead-prevBytesRead == res.Cost {
t.Fatalf("expected the bytes read stat to be around 42, got %v", bytesRead-prevBytesRead)
}
}
func getBatchFromData(idx Index, fileName string) (*Batch, error) {
pwd, err := os.Getwd()
if err != nil {
return nil, err
}
path := filepath.Join(pwd, "data", "test", fileName)
batch := idx.NewBatch()
var dataset []map[string]interface{}
fileContent, err := os.ReadFile(path)
if err != nil {
return nil, err
}
err = json.Unmarshal(fileContent, &dataset)
if err != nil {
return nil, err
}
for _, doc := range dataset {
err = batch.Index(fmt.Sprintf("%d", doc["id"]), doc)
if err != nil {
return nil, err
}
}
return batch, err
}
func TestIndexCreateNewOverExisting(t *testing.T) {
tmpIndexPath := createTmpIndexPath(t)
index, err := New(tmpIndexPath, NewIndexMapping())
if err != nil {
t.Fatal(err)
}
err = index.Close()
if err != nil {
t.Fatal(err)
}
index, err = New(tmpIndexPath, NewIndexMapping())
if err != ErrorIndexPathExists {
t.Fatalf("expected error index path exists, got %v", err)
}
}
func TestIndexOpenNonExisting(t *testing.T) {
_, err := Open("doesnotexist")
if err != ErrorIndexPathDoesNotExist {
t.Fatalf("expected error index path does not exist, got %v", err)
}
}
func TestIndexOpenMetaMissingOrCorrupt(t *testing.T) {
tmpIndexPath := createTmpIndexPath(t)
defer cleanupTmpIndexPath(t, tmpIndexPath)
index, err := New(tmpIndexPath, NewIndexMapping())
if err != nil {
t.Fatal(err)
}
err = index.Close()
if err != nil {
t.Fatal(err)
}
tmpIndexPathMeta := filepath.Join(tmpIndexPath, "index_meta.json")
// now intentionally change the storage type
err = os.WriteFile(tmpIndexPathMeta, []byte(`{"storage":"mystery"}`), 0666)
if err != nil {
t.Fatal(err)
}
index, err = Open(tmpIndexPath)
if err == nil {
t.Fatalf("expected error for unknown storage type, got %v", err)
}
// now intentionally corrupt the metadata
err = os.WriteFile(tmpIndexPathMeta, []byte("corrupted"), 0666)
if err != nil {
t.Fatal(err)
}
index, err = Open(tmpIndexPath)
if err != ErrorIndexMetaCorrupt {
t.Fatalf("expected error index metadata corrupted, got %v", err)
}
// now intentionally remove the metadata
err = os.Remove(tmpIndexPathMeta)
if err != nil {
t.Fatal(err)
}
index, err = Open(tmpIndexPath)
if err != ErrorIndexMetaMissing {
t.Fatalf("expected error index metadata missing, got %v", err)
}
}
func TestInMemIndex(t *testing.T) {
index, err := NewMemOnly(NewIndexMapping())
if err != nil {
t.Fatal(err)
}
err = index.Close()
if err != nil {
t.Fatal(err)
}
}
func TestClosedIndex(t *testing.T) {
index, err := NewMemOnly(NewIndexMapping())
if err != nil {
t.Fatal(err)
}
err = index.Close()
if err != nil {
t.Fatal(err)
}
err = index.Index("test", "test")
if err != ErrorIndexClosed {
t.Errorf("expected error index closed, got %v", err)
}
err = index.Delete("test")
if err != ErrorIndexClosed {
t.Errorf("expected error index closed, got %v", err)
}
b := index.NewBatch()
err = index.Batch(b)
if err != ErrorIndexClosed {
t.Errorf("expected error index closed, got %v", err)
}
_, err = index.Document("test")
if err != ErrorIndexClosed {
t.Errorf("expected error index closed, got %v", err)
}
_, err = index.DocCount()
if err != ErrorIndexClosed {
t.Errorf("expected error index closed, got %v", err)
}
_, err = index.Search(NewSearchRequest(NewTermQuery("test")))
if err != ErrorIndexClosed {
t.Errorf("expected error index closed, got %v", err)
}
_, err = index.Fields()
if err != ErrorIndexClosed {
t.Errorf("expected error index closed, got %v", err)
}
}
type slowQuery struct {
actual query.Query
delay time.Duration
}
func (s *slowQuery) Searcher(ctx context.Context, i index.IndexReader, m mapping.IndexMapping, options search.SearcherOptions) (search.Searcher, error) {
time.Sleep(s.delay)
return s.actual.Searcher(ctx, i, m, options)
}
func TestSlowSearch(t *testing.T) {
tmpIndexPath := createTmpIndexPath(t)
defer cleanupTmpIndexPath(t, tmpIndexPath)
defer func() {
// reset logger back to normal
SetLog(log.New(io.Discard, "bleve", log.LstdFlags))
}()
// set custom logger
var sdw sawDataWriter
SetLog(log.New(&sdw, "bleve", log.LstdFlags))
index, err := New(tmpIndexPath, NewIndexMapping())
if err != nil {
t.Fatal(err)
}
defer func() {
err := index.Close()
if err != nil {
t.Fatal(err)
}
}()
Config.SlowSearchLogThreshold = 1 * time.Minute
query := NewTermQuery("water")
req := NewSearchRequest(query)
_, err = index.Search(req)
if err != nil {
t.Fatal(err)
}
if sdw.sawData {
t.Errorf("expected to not see slow query logged, but did")
}
sq := &slowQuery{
actual: query,
delay: 50 * time.Millisecond, // on Windows timer resolution is 15ms
}
req.Query = sq
Config.SlowSearchLogThreshold = 1 * time.Microsecond
_, err = index.Search(req)
if err != nil {
t.Fatal(err)
}
if !sdw.sawData {
t.Errorf("expected to see slow query logged, but didn't")
}
}
type sawDataWriter struct {
sawData bool
}
func (s *sawDataWriter) Write(p []byte) (n int, err error) {
s.sawData = true
return len(p), nil
}
func TestStoredFieldPreserved(t *testing.T) {
tmpIndexPath := createTmpIndexPath(t)
defer cleanupTmpIndexPath(t, tmpIndexPath)
index, err := New(tmpIndexPath, NewIndexMapping())
if err != nil {
t.Fatal(err)
}
defer func() {
err := index.Close()
if err != nil {
t.Fatal(err)
}
}()
doca := map[string]interface{}{
"name": "Marty",
"desc": "GopherCON India",
"bool": true,
"num": float64(1),
}
err = index.Index("a", doca)
if err != nil {
t.Error(err)
}
q := NewTermQuery("marty")
req := NewSearchRequest(q)
req.Fields = []string{"name", "desc", "bool", "num"}
res, err := index.Search(req)
if err != nil {
t.Error(err)
}
if len(res.Hits) != 1 {
t.Fatalf("expected 1 hit, got %d", len(res.Hits))
}
if res.Hits[0].Fields["name"] != "Marty" {
t.Errorf("expected 'Marty' got '%s'", res.Hits[0].Fields["name"])
}
if res.Hits[0].Fields["desc"] != "GopherCON India" {
t.Errorf("expected 'GopherCON India' got '%s'", res.Hits[0].Fields["desc"])
}
if res.Hits[0].Fields["num"] != float64(1) {
t.Errorf("expected '1' got '%v'", res.Hits[0].Fields["num"])
}
if res.Hits[0].Fields["bool"] != true {
t.Errorf("expected 'true' got '%v'", res.Hits[0].Fields["bool"])
}
}
func TestDict(t *testing.T) {
tmpIndexPath := createTmpIndexPath(t)
defer cleanupTmpIndexPath(t, tmpIndexPath)
index, err := New(tmpIndexPath, NewIndexMapping())
if err != nil {
t.Fatal(err)
}
doca := map[string]interface{}{
"name": "marty",
"desc": "gophercon india",
}
err = index.Index("a", doca)
if err != nil {
t.Error(err)
}
docy := map[string]interface{}{
"name": "jasper",
"desc": "clojure",
}
err = index.Index("y", docy)
if err != nil {
t.Error(err)
}
docx := map[string]interface{}{
"name": "rose",
"desc": "googler",
}
err = index.Index("x", docx)
if err != nil {
t.Error(err)
}
dict, err := index.FieldDict("name")
if err != nil {
t.Error(err)
}
terms := []string{}
de, err := dict.Next()
for err == nil && de != nil {
terms = append(terms, string(de.Term))
de, err = dict.Next()
}
expectedTerms := []string{"jasper", "marty", "rose"}
if !reflect.DeepEqual(terms, expectedTerms) {
t.Errorf("expected %v, got %v", expectedTerms, terms)
}
err = dict.Close()
if err != nil {
t.Fatal(err)
}
// test start and end range
dict, err = index.FieldDictRange("name", []byte("marty"), []byte("rose"))
if err != nil {
t.Error(err)
}