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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 TestTopHitsAggregation(t *testing.T) {
fsc := NewFetchSourceContext(true).Include("title")
agg := NewTopHitsAggregation().
Sort("last_activity_date", false).
FetchSourceContext(fsc).
Size(1)
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 := `{"top_hits":{"_source":{"includes":["title"]},"size":1,"sort":[{"last_activity_date":{"order":"desc"}}]}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
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