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
|
// Copyright 2012-2015 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 (
"encoding/json"
_ "net/http"
"testing"
)
func TestScroll(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."}
// Add all documents
_, err := client.Index().Index(testIndexName).Type("tweet").Id("1").BodyJson(&tweet1).Do()
if err != nil {
t.Fatal(err)
}
_, err = client.Index().Index(testIndexName).Type("tweet").Id("2").BodyJson(&tweet2).Do()
if err != nil {
t.Fatal(err)
}
_, err = client.Index().Index(testIndexName).Type("tweet").Id("3").BodyJson(&tweet3).Do()
if err != nil {
t.Fatal(err)
}
_, err = client.Flush().Index(testIndexName).Do()
if err != nil {
t.Fatal(err)
}
// Match all should return all documents
res, err := client.Scroll(testIndexName).Size(1).Do()
if err != nil {
t.Fatal(err)
}
if res == nil {
t.Errorf("expected results != nil; got nil")
}
if res.Hits == nil {
t.Errorf("expected results.Hits != nil; got nil")
}
if res.Hits.TotalHits != 3 {
t.Errorf("expected results.Hits.TotalHits = %d; got %d", 3, res.Hits.TotalHits)
}
if len(res.Hits.Hits) != 0 {
t.Errorf("expected len(results.Hits.Hits) = %d; got %d", 0, len(res.Hits.Hits))
}
if res.ScrollId == "" {
t.Errorf("expected scrollId in results; got %q", res.ScrollId)
}
pages := 0
numDocs := 0
scrollId := res.ScrollId
for {
searchResult, err := client.Scroll(testIndexName).
Size(1).
ScrollId(scrollId).
Do()
if err == EOS {
break
}
if err != nil {
t.Fatal(err)
}
pages += 1
for _, hit := range searchResult.Hits.Hits {
if hit.Index != testIndexName {
t.Errorf("expected SearchResult.Hits.Hit.Index = %q; got %q", testIndexName, hit.Index)
}
item := make(map[string]interface{})
err := json.Unmarshal(*hit.Source, &item)
if err != nil {
t.Fatal(err)
}
numDocs += 1
}
scrollId = searchResult.ScrollId
if scrollId == "" {
t.Errorf("expeced scrollId in results; got %q", scrollId)
}
}
if pages <= 0 {
t.Errorf("expected to retrieve at least 1 page; got %d", pages)
}
if numDocs != 3 {
t.Errorf("expected to retrieve %d hits; got %d", 3, numDocs)
}
}
|
