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// 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 TestHighlighterField(t *testing.T) {
field := NewHighlighterField("grade")
data, err := json.Marshal(field.Source())
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)
data, err := json.Marshal(field.Source())
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")
data, err := json.Marshal(builder.Source())
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)
data, err := json.Marshal(builder.Source())
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)
data, err := json.Marshal(builder.Source())
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)
data, err := json.Marshal(builder.Source())
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 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("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)
}
// 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()
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")
}
}
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