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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"
"testing"
)
func TestHistogramFacetWithField(t *testing.T) {
f := NewHistogramFacet().Field("field_name").Interval(100)
data, err := json.Marshal(f.Source())
if err != nil {
t.Fatalf("marshaling to JSON failed: %v", err)
}
got := string(data)
expected := `{"histogram":{"field":"field_name","interval":100}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestHistogramFacetWithValueField(t *testing.T) {
f := NewHistogramFacet().
KeyField("timestamp").
ValueField("price").
TimeInterval("1.5d")
data, err := json.Marshal(f.Source())
if err != nil {
t.Fatalf("marshaling to JSON failed: %v", err)
}
got := string(data)
expected := `{"histogram":{"key_field":"timestamp","time_interval":"1.5d","value_field":"price"}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestHistogramFacetWithGlobals(t *testing.T) {
f := NewHistogramFacet().
KeyField("timestamp").
ValueField("price").
Interval(1000).
Global(true).
FacetFilter(NewTermFilter("user", "kimchy"))
data, err := json.Marshal(f.Source())
if err != nil {
t.Fatalf("marshaling to JSON failed: %v", err)
}
got := string(data)
expected := `{"facet_filter":{"term":{"user":"kimchy"}},"global":true,"histogram":{"interval":1000,"key_field":"timestamp","value_field":"price"}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
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