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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 TestSamplerAggregation(t *testing.T) {
keywordsAgg := NewSignificantTermsAggregation().Field("text")
agg := NewSamplerAggregation().
ShardSize(200).
SubAggregation("keywords", keywordsAgg)
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 := `{"aggregations":{"keywords":{"significant_terms":{"field":"text"}}},"sampler":{"shard_size":200}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
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