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// 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 (
"encoding/json"
"testing"
)
func TestDateHistogramAggregation(t *testing.T) {
agg := NewDateHistogramAggregation().
Field("date").
Interval("month").
Format("YYYY-MM").
TimeZone("UTC").
Offset("+6h")
src, err := agg.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 := `{"date_histogram":{"field":"date","format":"YYYY-MM","interval":"month","offset":"+6h","time_zone":"UTC"}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestDateHistogramAggregationWithMissing(t *testing.T) {
agg := NewDateHistogramAggregation().Field("date").Interval("year").Missing("1900")
src, err := agg.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 := `{"date_histogram":{"field":"date","interval":"year","missing":"1900"}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
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