ref: 4e0acb89b793d8895dc53eb8887be27430c3ab31
dir: /related/inverted_index_test.go/
// Copyright 2019 The Hugo Authors. All rights reserved.
//
// 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 related
import (
"fmt"
"math/rand"
"testing"
"time"
qt "github.com/frankban/quicktest"
)
type testDoc struct {
keywords map[string][]Keyword
date time.Time
name string
}
func (d *testDoc) String() string {
s := "\n"
for k, v := range d.keywords {
s += k + ":\t\t"
for _, vv := range v {
s += " " + vv.String()
}
s += "\n"
}
return s
}
func (d *testDoc) Name() string {
return d.name
}
func newTestDoc(name string, keywords ...string) *testDoc {
time.Sleep(1 * time.Millisecond)
return newTestDocWithDate(name, time.Now(), keywords...)
}
func newTestDocWithDate(name string, date time.Time, keywords ...string) *testDoc {
km := make(map[string][]Keyword)
kw := &testDoc{keywords: km, date: date}
kw.addKeywords(name, keywords...)
return kw
}
func (d *testDoc) addKeywords(name string, keywords ...string) *testDoc {
keywordm := createTestKeywords(name, keywords...)
for k, v := range keywordm {
keywords := make([]Keyword, len(v))
for i := 0; i < len(v); i++ {
keywords[i] = StringKeyword(v[i])
}
d.keywords[k] = keywords
}
return d
}
func createTestKeywords(name string, keywords ...string) map[string][]string {
return map[string][]string{
name: keywords,
}
}
func (d *testDoc) RelatedKeywords(cfg IndexConfig) ([]Keyword, error) {
return d.keywords[cfg.Name], nil
}
func (d *testDoc) PublishDate() time.Time {
return d.date
}
func TestSearch(t *testing.T) {
config := Config{
Threshold: 90,
IncludeNewer: false,
Indices: IndexConfigs{
IndexConfig{Name: "tags", Weight: 50},
IndexConfig{Name: "keywords", Weight: 65},
},
}
idx := NewInvertedIndex(config)
// idx.debug = true
docs := []Document{
newTestDoc("tags", "a", "b", "c", "d"),
newTestDoc("tags", "b", "d", "g"),
newTestDoc("tags", "b", "h").addKeywords("keywords", "a"),
newTestDoc("tags", "g", "h").addKeywords("keywords", "a", "b"),
}
idx.Add(docs...)
t.Run("count", func(t *testing.T) {
c := qt.New(t)
c.Assert(len(idx.index), qt.Equals, 2)
set1, found := idx.index["tags"]
c.Assert(found, qt.Equals, true)
// 6 tags
c.Assert(len(set1), qt.Equals, 6)
set2, found := idx.index["keywords"]
c.Assert(found, qt.Equals, true)
c.Assert(len(set2), qt.Equals, 2)
})
t.Run("search-tags", func(t *testing.T) {
c := qt.New(t)
m, err := idx.search(newQueryElement("tags", StringsToKeywords("a", "b", "d", "z")...))
c.Assert(err, qt.IsNil)
c.Assert(len(m), qt.Equals, 2)
c.Assert(m[0], qt.Equals, docs[0])
c.Assert(m[1], qt.Equals, docs[1])
})
t.Run("search-tags-and-keywords", func(t *testing.T) {
c := qt.New(t)
m, err := idx.search(
newQueryElement("tags", StringsToKeywords("a", "b", "z")...),
newQueryElement("keywords", StringsToKeywords("a", "b")...))
c.Assert(err, qt.IsNil)
c.Assert(len(m), qt.Equals, 3)
c.Assert(m[0], qt.Equals, docs[3])
c.Assert(m[1], qt.Equals, docs[2])
c.Assert(m[2], qt.Equals, docs[0])
})
t.Run("searchdoc-all", func(t *testing.T) {
c := qt.New(t)
doc := newTestDoc("tags", "a").addKeywords("keywords", "a")
m, err := idx.SearchDoc(doc)
c.Assert(err, qt.IsNil)
c.Assert(len(m), qt.Equals, 2)
c.Assert(m[0], qt.Equals, docs[3])
c.Assert(m[1], qt.Equals, docs[2])
})
t.Run("searchdoc-tags", func(t *testing.T) {
c := qt.New(t)
doc := newTestDoc("tags", "a", "b", "d", "z").addKeywords("keywords", "a", "b")
m, err := idx.SearchDoc(doc, "tags")
c.Assert(err, qt.IsNil)
c.Assert(len(m), qt.Equals, 2)
c.Assert(m[0], qt.Equals, docs[0])
c.Assert(m[1], qt.Equals, docs[1])
})
t.Run("searchdoc-keywords-date", func(t *testing.T) {
c := qt.New(t)
doc := newTestDoc("tags", "a", "b", "d", "z").addKeywords("keywords", "a", "b")
// This will get a date newer than the others.
newDoc := newTestDoc("keywords", "a", "b")
idx.Add(newDoc)
m, err := idx.SearchDoc(doc, "keywords")
c.Assert(err, qt.IsNil)
c.Assert(len(m), qt.Equals, 2)
c.Assert(m[0], qt.Equals, docs[3])
})
t.Run("searchdoc-keywords-same-date", func(t *testing.T) {
c := qt.New(t)
idx := NewInvertedIndex(config)
date := time.Now()
doc := newTestDocWithDate("keywords", date, "a", "b")
doc.name = "thedoc"
for i := 0; i < 10; i++ {
docc := *doc
docc.name = fmt.Sprintf("doc%d", i)
idx.Add(&docc)
}
m, err := idx.SearchDoc(doc, "keywords")
c.Assert(err, qt.IsNil)
c.Assert(len(m), qt.Equals, 10)
for i := 0; i < 10; i++ {
c.Assert(m[i].Name(), qt.Equals, fmt.Sprintf("doc%d", i))
}
})
}
func TestToKeywordsToLower(t *testing.T) {
c := qt.New(t)
slice := []string{"A", "B", "C"}
config := IndexConfig{ToLower: true}
keywords, err := config.ToKeywords(slice)
c.Assert(err, qt.IsNil)
c.Assert(slice, qt.DeepEquals, []string{"A", "B", "C"})
c.Assert(keywords, qt.DeepEquals, []Keyword{
StringKeyword("a"),
StringKeyword("b"),
StringKeyword("c"),
})
}
func BenchmarkRelatedNewIndex(b *testing.B) {
pages := make([]*testDoc, 100)
numkeywords := 30
allKeywords := make([]string, numkeywords)
for i := 0; i < numkeywords; i++ {
allKeywords[i] = fmt.Sprintf("keyword%d", i+1)
}
for i := 0; i < len(pages); i++ {
start := rand.Intn(len(allKeywords))
end := start + 3
if end >= len(allKeywords) {
end = start + 1
}
kw := newTestDoc("tags", allKeywords[start:end]...)
if i%5 == 0 {
start := rand.Intn(len(allKeywords))
end := start + 3
if end >= len(allKeywords) {
end = start + 1
}
kw.addKeywords("keywords", allKeywords[start:end]...)
}
pages[i] = kw
}
cfg := Config{
Threshold: 50,
Indices: IndexConfigs{
IndexConfig{Name: "tags", Weight: 100},
IndexConfig{Name: "keywords", Weight: 200},
},
}
b.Run("singles", func(b *testing.B) {
for i := 0; i < b.N; i++ {
idx := NewInvertedIndex(cfg)
for _, doc := range pages {
idx.Add(doc)
}
}
})
b.Run("all", func(b *testing.B) {
for i := 0; i < b.N; i++ {
idx := NewInvertedIndex(cfg)
docs := make([]Document, len(pages))
for i := 0; i < len(pages); i++ {
docs[i] = pages[i]
}
idx.Add(docs...)
}
})
}
func BenchmarkRelatedMatchesIn(b *testing.B) {
q1 := newQueryElement("tags", StringsToKeywords("keyword2", "keyword5", "keyword32", "asdf")...)
q2 := newQueryElement("keywords", StringsToKeywords("keyword3", "keyword4")...)
docs := make([]*testDoc, 1000)
numkeywords := 20
allKeywords := make([]string, numkeywords)
for i := 0; i < numkeywords; i++ {
allKeywords[i] = fmt.Sprintf("keyword%d", i+1)
}
cfg := Config{
Threshold: 20,
Indices: IndexConfigs{
IndexConfig{Name: "tags", Weight: 100},
IndexConfig{Name: "keywords", Weight: 200},
},
}
idx := NewInvertedIndex(cfg)
for i := 0; i < len(docs); i++ {
start := rand.Intn(len(allKeywords))
end := start + 3
if end >= len(allKeywords) {
end = start + 1
}
index := "tags"
if i%5 == 0 {
index = "keywords"
}
idx.Add(newTestDoc(index, allKeywords[start:end]...))
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
if i%10 == 0 {
idx.search(q2)
} else {
idx.search(q1)
}
}
}