dispatch/vendor/github.com/blevesearch/bleve/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://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 (
"io/ioutil"
"log"
"os"
"reflect"
"strings"
"testing"
"time"
)
func TestCrud(t *testing.T) {
defer func() {
err := os.RemoveAll("testidx")
if err != nil {
t.Fatal(err)
}
}()
index, err := New("testidx", 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)
}
err = index.Delete("y")
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)
}
err = index.SetInternal([]byte("status"), []byte("pending"))
if err != nil {
t.Error(err)
}
docb := map[string]interface{}{
"name": "steve",
"desc": "cbft master",
}
batch := index.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 = index.Batch(batch)
if err != nil {
t.Error(err)
}
val, err := index.GetInternal([]byte("batchi"))
if err != nil {
t.Error(err)
}
if string(val) != "batchv" {
t.Errorf("expected 'batchv', got '%s'", val)
}
val, err = index.GetInternal([]byte("status"))
if err != nil {
t.Error(err)
}
if val != nil {
t.Errorf("expected nil, got '%s'", val)
}
err = index.SetInternal([]byte("seqno"), []byte("7"))
if err != nil {
t.Error(err)
}
err = index.SetInternal([]byte("status"), []byte("ready"))
if err != nil {
t.Error(err)
}
err = index.DeleteInternal([]byte("status"))
if err != nil {
t.Error(err)
}
val, err = index.GetInternal([]byte("status"))
if err != nil {
t.Error(err)
}
if val != nil {
t.Errorf("expected nil, got '%s'", val)
}
val, err = index.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 = index.Close()
if err != nil {
t.Fatal(err)
}
index, err = Open("testidx")
if err != nil {
t.Fatal(err)
}
defer func() {
err := index.Close()
if err != nil {
t.Fatal(err)
}
}()
count, err := index.DocCount()
if err != nil {
t.Fatal(err)
}
if count != 2 {
t.Errorf("expected doc count 2, got %d", count)
}
doc, err := index.Document("a")
if err != nil {
t.Fatal(err)
}
if doc == nil {
t.Errorf("expected doc not nil, got nil")
}
foundNameField := false
for _, field := range doc.Fields {
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 := index.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 TestIndexCreateNewOverExisting(t *testing.T) {
defer func() {
err := os.RemoveAll("testidx")
if err != nil {
t.Fatal(err)
}
}()
index, err := New("testidx", NewIndexMapping())
if err != nil {
t.Fatal(err)
}
err = index.Close()
if err != nil {
t.Fatal(err)
}
index, err = New("testidx", 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) {
defer func() {
err := os.RemoveAll("testidx")
if err != nil {
t.Fatal(err)
}
}()
index, err := New("testidx", NewIndexMapping())
if err != nil {
t.Fatal(err)
}
err = index.Close()
if err != nil {
t.Fatal(err)
}
// now intentionally change the storage type
err = ioutil.WriteFile("testidx/index_meta.json", []byte(`{"storage":"mystery"}`), 0666)
if err != nil {
t.Fatal(err)
}
index, err = Open("testidx")
if err != ErrorUnknownStorageType {
t.Fatalf("expected error unknown storage type, got %v", err)
}
// now intentionally corrupt the metadata
err = ioutil.WriteFile("testidx/index_meta.json", []byte("corrupted"), 0666)
if err != nil {
t.Fatal(err)
}
index, err = Open("testidx")
if err != ErrorIndexMetaCorrupt {
t.Fatalf("expected error index metadata corrupted, got %v", err)
}
// now intentionally remove the metadata
err = os.Remove("testidx/index_meta.json")
if err != nil {
t.Fatal(err)
}
index, err = Open("testidx")
if err != ErrorIndexMetaMissing {
t.Fatalf("expected error index metadata missing, got %v", err)
}
}
func TestInMemIndex(t *testing.T) {
index, err := New("", NewIndexMapping())
if err != nil {
t.Fatal(err)
}
err = index.Close()
if err != nil {
t.Fatal(err)
}
}
func TestClosedIndex(t *testing.T) {
index, err := New("", 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)
}
}
func TestSlowSearch(t *testing.T) {
defer func() {
err := os.RemoveAll("testidx")
if err != nil {
t.Fatal(err)
}
}()
defer func() {
// reset logger back to normal
SetLog(log.New(ioutil.Discard, "bleve", log.LstdFlags))
}()
// set custom logger
var sdw sawDataWriter
SetLog(log.New(&sdw, "bleve", log.LstdFlags))
index, err := New("testidx", 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")
}
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) {
defer func() {
err := os.RemoveAll("testidx")
if err != nil {
t.Fatal(err)
}
}()
index, err := New("testidx", 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",
}
err = index.Index("a", doca)
if err != nil {
t.Error(err)
}
q := NewTermQuery("marty")
req := NewSearchRequest(q)
req.Fields = []string{"name", "desc"}
res, err := index.Search(req)
if err != nil {
t.Error(err)
}
if len(res.Hits) != 1 {
t.Errorf("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"])
}
}
func TestDict(t *testing.T) {
defer func() {
err := os.RemoveAll("testidx")
if err != nil {
t.Fatal(err)
}
}()
index, err := New("testidx", 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)
}
terms = []string{}
de, err = dict.Next()
for err == nil && de != nil {
terms = append(terms, string(de.Term))
de, err = dict.Next()
}
expectedTerms = []string{"marty", "rose"}
if !reflect.DeepEqual(terms, expectedTerms) {
t.Errorf("expected %v, got %v", expectedTerms, terms)
}
err = dict.Close()
if err != nil {
t.Fatal(err)
}
docz := map[string]interface{}{
"name": "prefix",
"desc": "bob cat cats catting dog doggy zoo",
}
err = index.Index("z", docz)
if err != nil {
t.Error(err)
}
dict, err = index.FieldDictPrefix("desc", []byte("cat"))
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{"cat", "cats", "catting"}
if !reflect.DeepEqual(terms, expectedTerms) {
t.Errorf("expected %v, got %v", expectedTerms, terms)
}
stats := index.Stats()
if stats == nil {
t.Errorf("expected IndexStat, got nil")
}
err = dict.Close()
if err != nil {
t.Fatal(err)
}
err = index.Close()
if err != nil {
t.Fatal(err)
}
}
func TestBatchString(t *testing.T) {
defer func() {
err := os.RemoveAll("testidx")
if err != nil {
t.Fatal(err)
}
}()
index, err := New("testidx", NewIndexMapping())
if err != nil {
t.Fatal(err)
}
batch := index.NewBatch()
err = batch.Index("a", []byte("{}"))
if err != nil {
t.Fatal(err)
}
batch.Delete("b")
batch.SetInternal([]byte("c"), []byte{})
batch.DeleteInternal([]byte("d"))
batchStr := batch.String()
if !strings.HasPrefix(batchStr, "Batch (2 ops, 2 internal ops)") {
t.Errorf("expected to start with Batch (2 ops, 2 internal ops), did not")
}
if !strings.Contains(batchStr, "INDEX - 'a'") {
t.Errorf("expected to contain INDEX - 'a', did not")
}
if !strings.Contains(batchStr, "DELETE - 'b'") {
t.Errorf("expected to contain DELETE - 'b', did not")
}
if !strings.Contains(batchStr, "SET INTERNAL - 'c'") {
t.Errorf("expected to contain SET INTERNAL - 'c', did not")
}
if !strings.Contains(batchStr, "DELETE INTERNAL - 'd'") {
t.Errorf("expected to contain DELETE INTERNAL - 'd', did not")
}
}