telegraf/plugins/inputs/nats/nats_test.go

115 lines
2.4 KiB
Go

// +build !freebsd
package nats
import (
"fmt"
"net/http"
"net/http/httptest"
"testing"
"github.com/influxdata/telegraf/testutil"
"github.com/stretchr/testify/require"
)
var sampleVarz = `
{
"server_id": "n2afhLHLl64Gcaj7S7jaNa",
"version": "1.0.0",
"go": "go1.8",
"host": "0.0.0.0",
"auth_required": false,
"ssl_required": false,
"tls_required": false,
"tls_verify": false,
"addr": "0.0.0.0",
"max_connections": 65536,
"ping_interval": 120000000000,
"ping_max": 2,
"http_host": "0.0.0.0",
"http_port": 1337,
"https_port": 0,
"auth_timeout": 1,
"max_control_line": 1024,
"cluster": {
"addr": "0.0.0.0",
"cluster_port": 0,
"auth_timeout": 1
},
"tls_timeout": 0.5,
"port": 4222,
"max_payload": 1048576,
"start": "1861-04-12T10:15:26.841483489-05:00",
"now": "2011-10-05T15:24:23.722084098-07:00",
"uptime": "150y5md237h8m57s",
"mem": 15581184,
"cores": 48,
"cpu": 9,
"connections": 5,
"total_connections": 109,
"routes": 1,
"remotes": 2,
"in_msgs": 74148556,
"out_msgs": 68863261,
"in_bytes": 946267004717,
"out_bytes": 948110960598,
"slow_consumers": 2,
"subscriptions": 4,
"http_req_stats": {
"/": 1,
"/connz": 100847,
"/routez": 0,
"/subsz": 1,
"/varz": 205785
},
"config_load_time": "2017-07-24T10:15:26.841483489-05:00"
}
`
func TestMetricsCorrect(t *testing.T) {
var acc testutil.Accumulator
srv := newTestNatsServer()
defer srv.Close()
n := &Nats{Server: srv.URL}
err := n.Gather(&acc)
require.NoError(t, err)
fields := map[string]interface{}{
"in_msgs": int64(74148556),
"out_msgs": int64(68863261),
"in_bytes": int64(946267004717),
"out_bytes": int64(948110960598),
"uptime": int64(4748742536880600609),
"cores": 48,
"cpu": float64(9),
"mem": int64(15581184),
"connections": int(5),
"total_connections": uint64(109),
"subscriptions": uint32(4),
"slow_consumers": int64(2),
"routes": int(1),
"remotes": int(2),
}
tags := map[string]string{
"server": srv.URL,
}
acc.AssertContainsTaggedFields(t, "nats", fields, tags)
}
func newTestNatsServer() *httptest.Server {
return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
var rsp string
switch r.URL.Path {
case "/varz":
rsp = sampleVarz
default:
panic("Cannot handle request")
}
fmt.Fprintln(w, rsp)
}))
}