1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
// Copyright 2022 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package collector
import (
"io"
"net/http"
"net/http/httptest"
"net/url"
"os"
"strings"
"testing"
"github.com/prometheus/client_golang/prometheus/testutil"
"github.com/prometheus/common/promslog"
)
func TestDataStream(t *testing.T) {
tests := []struct {
name string
file string
want string
}{
{
name: "7.15.0",
file: "../fixtures/datastream/7.15.0.json",
want: `# HELP elasticsearch_data_stream_backing_indices_total Number of backing indices
# TYPE elasticsearch_data_stream_backing_indices_total counter
elasticsearch_data_stream_backing_indices_total{data_stream="bar"} 2
elasticsearch_data_stream_backing_indices_total{data_stream="foo"} 5
# HELP elasticsearch_data_stream_store_size_bytes Store size of data stream
# TYPE elasticsearch_data_stream_store_size_bytes counter
elasticsearch_data_stream_store_size_bytes{data_stream="bar"} 6.7382272e+08
elasticsearch_data_stream_store_size_bytes{data_stream="foo"} 4.29205396e+08
`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
f, err := os.Open(tt.file)
if err != nil {
t.Fatal(err)
}
defer f.Close()
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
io.Copy(w, f)
}))
defer ts.Close()
u, err := url.Parse(ts.URL)
if err != nil {
t.Fatal(err)
}
c := NewDataStream(promslog.NewNopLogger(), http.DefaultClient, u)
if err != nil {
t.Fatal(err)
}
if err := testutil.CollectAndCompare(c, strings.NewReader(tt.want)); err != nil {
t.Fatal(err)
}
})
}
}
|
