1// Copyright 2012-present Oliver Eilhard. All rights reserved.
2// Use of this source code is governed by a MIT-license.
3// See http://olivere.mit-license.org/license.txt for details.
4
5package elastic
6
7import (
8	"encoding/json"
9	"testing"
10)
11
12func TestAvgAggregation(t *testing.T) {
13	agg := NewAvgAggregation().Field("grade")
14	src, err := agg.Source()
15	if err != nil {
16		t.Fatal(err)
17	}
18	data, err := json.Marshal(src)
19	if err != nil {
20		t.Fatalf("marshaling to JSON failed: %v", err)
21	}
22	got := string(data)
23	expected := `{"avg":{"field":"grade"}}`
24	if got != expected {
25		t.Errorf("expected\n%s\n,got:\n%s", expected, got)
26	}
27}
28
29func TestAvgAggregationWithOptions(t *testing.T) {
30	agg := NewAvgAggregation().Field("grade").Format("000.0").Missing(1.2)
31	src, err := agg.Source()
32	if err != nil {
33		t.Fatal(err)
34	}
35	data, err := json.Marshal(src)
36	if err != nil {
37		t.Fatalf("marshaling to JSON failed: %v", err)
38	}
39	got := string(data)
40	expected := `{"avg":{"field":"grade","format":"000.0","missing":1.2}}`
41	if got != expected {
42		t.Errorf("expected\n%s\n,got:\n%s", expected, got)
43	}
44}
45
46func TestAvgAggregationWithMetaData(t *testing.T) {
47	agg := NewAvgAggregation().Field("grade").Meta(map[string]interface{}{"name": "Oliver"})
48	src, err := agg.Source()
49	if err != nil {
50		t.Fatal(err)
51	}
52	data, err := json.Marshal(src)
53	if err != nil {
54		t.Fatalf("marshaling to JSON failed: %v", err)
55	}
56	got := string(data)
57	expected := `{"avg":{"field":"grade"},"meta":{"name":"Oliver"}}`
58	if got != expected {
59		t.Errorf("expected\n%s\n,got:\n%s", expected, got)
60	}
61}
62