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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 TestCompositeAggregation(t *testing.T) {
agg := NewCompositeAggregation().
Sources(
NewCompositeAggregationTermsValuesSource("my_terms").Field("a_term").Missing("N/A").Order("asc"),
NewCompositeAggregationHistogramValuesSource("my_histogram", 5).Field("price").Asc(),
NewCompositeAggregationDateHistogramValuesSource("my_date_histogram", "1d").Field("purchase_date").Desc(),
).
Size(10).
AggregateAfter(map[string]interface{}{
"my_terms": "1",
"my_histogram": 2,
"my_date_histogram": "3",
})
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 := `{"composite":{"after":{"my_date_histogram":"3","my_histogram":2,"my_terms":"1"},"size":10,"sources":[{"my_terms":{"terms":{"field":"a_term","missing":"N/A","order":"asc"}}},{"my_histogram":{"histogram":{"field":"price","interval":5,"order":"asc"}}},{"my_date_histogram":{"date_histogram":{"field":"purchase_date","interval":"1d","order":"desc"}}}]}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestCompositeAggregationTermsValuesSource(t *testing.T) {
in := NewCompositeAggregationTermsValuesSource("products").
Script(NewScript("doc['product'].value").Lang("painless"))
src, err := in.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 := `{"products":{"terms":{"script":{"lang":"painless","source":"doc['product'].value"}}}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestCompositeAggregationHistogramValuesSource(t *testing.T) {
in := NewCompositeAggregationHistogramValuesSource("histo", 5).
Field("price")
src, err := in.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 := `{"histo":{"histogram":{"field":"price","interval":5}}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
func TestCompositeAggregationDateHistogramValuesSource(t *testing.T) {
in := NewCompositeAggregationDateHistogramValuesSource("date", "1d").
Field("timestamp")
src, err := in.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":{"date_histogram":{"field":"timestamp","interval":"1d"}}}`
if got != expected {
t.Errorf("expected\n%s\n,got:\n%s", expected, got)
}
}
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