1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
// Copyright 2012-present Oliver Eilhard. All rights reserved.
// Use of this source code is governed by a MIT-license.
// See http://olivere.mit-license.org/license.txt for details.
package elastic
import (
"context"
"encoding/json"
"testing"
)
func TestHighlighterField(t *testing.T) {
field := NewHighlighterField("grade")
src, err := field.Source()
if err != nil {
t.Fatal(err)
}
data, err := json.Marshal(src)
if err != nil {
t.Fatalf("marshaling to JSON failed: %v", err)
}
got := string(data)
expected := `{}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestHighlighterFieldWithOptions(t *testing.T) {
field := NewHighlighterField("grade").FragmentSize(2).NumOfFragments(1)
src, err := field.Source()
if err != nil {
t.Fatal(err)
}
data, err := json.Marshal(src)
if err != nil {
t.Fatalf("marshaling to JSON failed: %v", err)
}
got := string(data)
expected := `{"fragment_size":2,"number_of_fragments":1}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestHighlightWithStringField(t *testing.T) {
builder := NewHighlight().Field("grade")
src, err := builder.Source()
if err != nil {
t.Fatal(err)
}
data, err := json.Marshal(src)
if err != nil {
t.Fatalf("marshaling to JSON failed: %v", err)
}
got := string(data)
expected := `{"fields":{"grade":{}}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestHighlightWithFields(t *testing.T) {
gradeField := NewHighlighterField("grade")
builder := NewHighlight().Fields(gradeField)
src, err := builder.Source()
if err != nil {
t.Fatal(err)
}
data, err := json.Marshal(src)
if err != nil {
t.Fatalf("marshaling to JSON failed: %v", err)
}
got := string(data)
expected := `{"fields":{"grade":{}}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestHighlightWithMultipleFields(t *testing.T) {
gradeField := NewHighlighterField("grade")
colorField := NewHighlighterField("color")
builder := NewHighlight().Fields(gradeField, colorField)
src, err := builder.Source()
if err != nil {
t.Fatal(err)
}
data, err := json.Marshal(src)
if err != nil {
t.Fatalf("marshaling to JSON failed: %v", err)
}
got := string(data)
expected := `{"fields":{"color":{},"grade":{}}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestHighlighterWithExplicitFieldOrder(t *testing.T) {
gradeField := NewHighlighterField("grade").FragmentSize(2)
colorField := NewHighlighterField("color").FragmentSize(2).NumOfFragments(1)
builder := NewHighlight().Fields(gradeField, colorField).UseExplicitFieldOrder(true)
src, err := builder.Source()
if err != nil {
t.Fatal(err)
}
data, err := json.Marshal(src)
if err != nil {
t.Fatalf("marshaling to JSON failed: %v", err)
}
got := string(data)
expected := `{"fields":[{"grade":{"fragment_size":2}},{"color":{"fragment_size":2,"number_of_fragments":1}}]}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestHighlightWithBoundarySettings(t *testing.T) {
builder := NewHighlight().
BoundaryChars(" \t\r").
BoundaryScannerType("word")
src, err := builder.Source()
if err != nil {
t.Fatal(err)
}
data, err := json.Marshal(src)
if err != nil {
t.Fatalf("marshaling to JSON failed: %v", err)
}
got := string(data)
expected := `{"boundary_chars":" \t\r","boundary_scanner":"word"}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestHighlightWithTermQuery(t *testing.T) {
client := setupTestClientAndCreateIndex(t)
tweet1 := tweet{User: "olivere", Message: "Welcome to Golang and Elasticsearch."}
tweet2 := tweet{User: "olivere", Message: "Another unrelated topic."}
tweet3 := tweet{User: "sandrae", Message: "Cycling is fun to do."}
// Add all documents
_, err := client.Index().Index(testIndexName).Type("doc").Id("1").BodyJson(&tweet1).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
_, err = client.Index().Index(testIndexName).Type("doc").Id("2").BodyJson(&tweet2).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
_, err = client.Index().Index(testIndexName).Type("doc").Id("3").BodyJson(&tweet3).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
_, err = client.Flush().Index(testIndexName).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
// Specify highlighter
hl := NewHighlight()
hl = hl.Fields(NewHighlighterField("message"))
hl = hl.PreTags("<em>").PostTags("</em>")
// Match all should return all documents
query := NewPrefixQuery("message", "golang")
searchResult, err := client.Search().
Index(testIndexName).
Highlight(hl).
Query(query).
Do(context.TODO())
if err != nil {
t.Fatal(err)
}
if searchResult.Hits == nil {
t.Fatalf("expected SearchResult.Hits != nil; got nil")
}
if searchResult.Hits.TotalHits != 1 {
t.Fatalf("expected SearchResult.Hits.TotalHits = %d; got %d", 1, searchResult.Hits.TotalHits)
}
if len(searchResult.Hits.Hits) != 1 {
t.Fatalf("expected len(SearchResult.Hits.Hits) = %d; got %d", 1, len(searchResult.Hits.Hits))
}
hit := searchResult.Hits.Hits[0]
var tw tweet
if err := json.Unmarshal(*hit.Source, &tw); err != nil {
t.Fatal(err)
}
if hit.Highlight == nil || len(hit.Highlight) == 0 {
t.Fatal("expected hit to have a highlight; got nil")
}
if hl, found := hit.Highlight["message"]; found {
if len(hl) != 1 {
t.Fatalf("expected to have one highlight for field \"message\"; got %d", len(hl))
}
expected := "Welcome to <em>Golang</em> and Elasticsearch."
if hl[0] != expected {
t.Errorf("expected to have highlight \"%s\"; got \"%s\"", expected, hl[0])
}
} else {
t.Fatal("expected to have a highlight on field \"message\"; got none")
}
}
|
