/usr/share/gocode/src/github.com/armon/go-metrics/statsd_test.go is in golang-github-armon-go-metrics-dev 0.0~git20170601.0.f036747-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | package metrics
import (
"bufio"
"bytes"
"net"
"net/url"
"strings"
"testing"
"time"
)
func TestStatsd_Flatten(t *testing.T) {
s := &StatsdSink{}
flat := s.flattenKey([]string{"a", "b", "c", "d"})
if flat != "a.b.c.d" {
t.Fatalf("Bad flat")
}
}
func TestStatsd_PushFullQueue(t *testing.T) {
q := make(chan string, 1)
q <- "full"
s := &StatsdSink{metricQueue: q}
s.pushMetric("omit")
out := <-q
if out != "full" {
t.Fatalf("bad val %v", out)
}
select {
case v := <-q:
t.Fatalf("bad val %v", v)
default:
}
}
func TestStatsd_Conn(t *testing.T) {
addr := "127.0.0.1:7524"
done := make(chan bool)
go func() {
list, err := net.ListenUDP("udp", &net.UDPAddr{IP: net.ParseIP("127.0.0.1"), Port: 7524})
if err != nil {
panic(err)
}
defer list.Close()
buf := make([]byte, 1500)
n, err := list.Read(buf)
if err != nil {
panic(err)
}
buf = buf[:n]
reader := bufio.NewReader(bytes.NewReader(buf))
line, err := reader.ReadString('\n')
if err != nil {
t.Fatalf("unexpected err %s", err)
}
if line != "gauge.val:1.000000|g\n" {
t.Fatalf("bad line %s", line)
}
line, err = reader.ReadString('\n')
if err != nil {
t.Fatalf("unexpected err %s", err)
}
if line != "key.other:2.000000|kv\n" {
t.Fatalf("bad line %s", line)
}
line, err = reader.ReadString('\n')
if err != nil {
t.Fatalf("unexpected err %s", err)
}
if line != "counter.me:3.000000|c\n" {
t.Fatalf("bad line %s", line)
}
line, err = reader.ReadString('\n')
if err != nil {
t.Fatalf("unexpected err %s", err)
}
if line != "sample.slow_thingy:4.000000|ms\n" {
t.Fatalf("bad line %s", line)
}
done <- true
}()
s, err := NewStatsdSink(addr)
if err != nil {
t.Fatalf("bad error")
}
s.SetGauge([]string{"gauge", "val"}, float32(1))
s.EmitKey([]string{"key", "other"}, float32(2))
s.IncrCounter([]string{"counter", "me"}, float32(3))
s.AddSample([]string{"sample", "slow thingy"}, float32(4))
select {
case <-done:
s.Shutdown()
case <-time.After(3 * time.Second):
t.Fatalf("timeout")
}
}
func TestNewStatsdSinkFromURL(t *testing.T) {
for _, tc := range []struct {
desc string
input string
expectErr string
expectAddr string
}{
{
desc: "address is populated",
input: "statsd://statsd.service.consul",
expectAddr: "statsd.service.consul",
},
{
desc: "address includes port",
input: "statsd://statsd.service.consul:1234",
expectAddr: "statsd.service.consul:1234",
},
} {
t.Run(tc.desc, func(t *testing.T) {
u, err := url.Parse(tc.input)
if err != nil {
t.Fatalf("error parsing URL: %s", err)
}
ms, err := NewStatsdSinkFromURL(u)
if tc.expectErr != "" {
if !strings.Contains(err.Error(), tc.expectErr) {
t.Fatalf("expected err: %q, to contain: %q", err, tc.expectErr)
}
} else {
if err != nil {
t.Fatalf("unexpected err: %s", err)
}
is := ms.(*StatsdSink)
if is.addr != tc.expectAddr {
t.Fatalf("expected addr %s, got: %s", tc.expectAddr, is.addr)
}
}
})
}
}
|