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) })) }