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golang-github-blevesearch-b.../search/searcher/search_term_range_test.go
Daniel Baumann 982828099e
Adding upstream version 2.5.1.
Signed-off-by: Daniel Baumann <daniel@debian.org>
2025-05-19 00:20:02 +02:00

285 lines
7 KiB
Go

// Copyright (c) 2017 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 searcher
import (
"context"
"os"
"reflect"
"sort"
"testing"
"github.com/blevesearch/bleve/v2/index/scorch"
"github.com/blevesearch/bleve/v2/search"
)
func TestTermRangeSearch(t *testing.T) {
twoDocIndexReader, err := twoDocIndex.Reader()
if err != nil {
t.Error(err)
}
defer func() {
err := twoDocIndexReader.Close()
if err != nil {
t.Fatal(err)
}
}()
tests := []struct {
min []byte
max []byte
inclusiveMin bool
inclusiveMax bool
field string
want []string
}{
{
min: []byte("marty"),
max: []byte("marty"),
field: "name",
inclusiveMin: true,
inclusiveMax: true,
want: []string{"1"},
},
{
min: []byte("marty"),
max: []byte("ravi"),
field: "name",
inclusiveMin: true,
inclusiveMax: true,
want: []string{"1", "4"},
},
// inclusive max false should exclude ravi
{
min: []byte("marty"),
max: []byte("ravi"),
field: "name",
inclusiveMin: true,
inclusiveMax: false,
want: []string{"1"},
},
// inclusive max false should remove last/only item
{
min: []byte("martz"),
max: []byte("ravi"),
field: "name",
inclusiveMin: true,
inclusiveMax: false,
want: nil,
},
// inclusive min false should remove marty
{
min: []byte("marty"),
max: []byte("ravi"),
field: "name",
inclusiveMin: false,
inclusiveMax: true,
want: []string{"4"},
},
// inclusive min false should remove first/only item
{
min: []byte("marty"),
max: []byte("rav"),
field: "name",
inclusiveMin: false,
inclusiveMax: true,
want: nil,
},
// max nil sees everything after marty
{
min: []byte("marty"),
max: nil,
field: "name",
inclusiveMin: true,
inclusiveMax: true,
want: []string{"1", "2", "4"},
},
// min nil sees everything before ravi
{
min: nil,
max: []byte("ravi"),
field: "name",
inclusiveMin: true,
inclusiveMax: true,
want: []string{"1", "3", "4", "5"},
},
// min and max nil sees everything
{
min: nil,
max: nil,
field: "name",
inclusiveMin: true,
inclusiveMax: true,
want: []string{"1", "2", "3", "4", "5"},
},
// min and max nil sees everything, even with inclusiveMin false
{
min: nil,
max: nil,
field: "name",
inclusiveMin: false,
inclusiveMax: true,
want: []string{"1", "2", "3", "4", "5"},
},
// min and max nil sees everything, even with inclusiveMax false
{
min: nil,
max: nil,
field: "name",
inclusiveMin: true,
inclusiveMax: false,
want: []string{"1", "2", "3", "4", "5"},
},
// min and max nil sees everything, even with both false
{
min: nil,
max: nil,
field: "name",
inclusiveMin: false,
inclusiveMax: false,
want: []string{"1", "2", "3", "4", "5"},
},
// min and max non-nil, but match 0 terms
{
min: []byte("martz"),
max: []byte("rav"),
field: "name",
inclusiveMin: true,
inclusiveMax: true,
want: nil,
},
// min and max same (and term exists), both exlusive
{
min: []byte("marty"),
max: []byte("marty"),
field: "name",
inclusiveMin: false,
inclusiveMax: false,
want: nil,
},
}
for _, test := range tests {
searcher, err := NewTermRangeSearcher(context.TODO(), twoDocIndexReader, test.min, test.max,
&test.inclusiveMin, &test.inclusiveMax, test.field, 1.0, search.SearcherOptions{Explain: true})
if err != nil {
t.Fatal(err)
}
var got []string
ctx := &search.SearchContext{
DocumentMatchPool: search.NewDocumentMatchPool(
searcher.DocumentMatchPoolSize(), 0),
}
next, err := searcher.Next(ctx)
i := 0
for err == nil && next != nil {
got = append(got, string(next.IndexInternalID))
ctx.DocumentMatchPool.Put(next)
next, err = searcher.Next(ctx)
i++
}
if err != nil {
t.Fatalf("error iterating searcher: %v", err)
}
if !reflect.DeepEqual(got, test.want) {
t.Errorf("expected: %v, got %v for test %#v", test.want, got, test)
}
}
}
func TestTermRangeSearchTooManyTerms(t *testing.T) {
dir, _ := os.MkdirTemp("", "scorchTwoDoc")
defer func() {
_ = os.RemoveAll(dir)
}()
scorchIndex := initTwoDocScorch(dir)
// use lower limit for this test
origLimit := DisjunctionMaxClauseCount
DisjunctionMaxClauseCount = 2
defer func() {
DisjunctionMaxClauseCount = origLimit
}()
scorchReader, err := scorchIndex.Reader()
if err != nil {
t.Error(err)
}
defer func() {
err := scorchReader.Close()
if err != nil {
t.Fatal(err)
}
}()
want := []string{"1", "3", "4", "5"}
truth := true
searcher, err := NewTermRangeSearcher(context.TODO(), scorchReader, []byte("bobert"), []byte("ravi"),
&truth, &truth, "name", 1.0, search.SearcherOptions{Score: "none", IncludeTermVectors: false})
if err != nil {
t.Fatal(err)
}
var got []string
ctx := &search.SearchContext{
DocumentMatchPool: search.NewDocumentMatchPool(
searcher.DocumentMatchPoolSize(), 0),
}
next, err := searcher.Next(ctx)
i := 0
for err == nil && next != nil {
extId, err := scorchReader.ExternalID(next.IndexInternalID)
if err != nil {
t.Fatal(err)
}
got = append(got, extId)
ctx.DocumentMatchPool.Put(next)
next, err = searcher.Next(ctx)
if err != nil {
break
}
i++
}
if err != nil {
t.Fatalf("error iterating searcher: %v", err)
}
err = searcher.Close()
if err != nil {
t.Fatal(err)
}
// check that the expected number of term searchers were started
// 6 = 4 original terms, 1 optimized after first round, then final searcher
// from the last round
statsMap := scorchIndex.(*scorch.Scorch).StatsMap()
if statsMap["term_searchers_started"].(uint64) != 6 {
t.Errorf("expected 6 term searchers started, got %d", statsMap["term_searchers_started"])
}
// check that all started searchers were closed
if statsMap["term_searchers_started"] != statsMap["term_searchers_finished"] {
t.Errorf("expected all term searchers closed, %d started %d closed",
statsMap["term_searchers_started"], statsMap["term_searchers_finished"])
}
sort.Strings(got)
if !reflect.DeepEqual(got, want) {
t.Errorf("expected: %#v, got %#v", want, got)
}
}