forked from raintank/statsdaemon
/
statsdaemon_test.go
291 lines (249 loc) · 9.21 KB
/
statsdaemon_test.go
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package statsdaemon
import (
"bytes"
"github.com/bmizerany/assert"
"github.com/vimeo/statsdaemon/common"
"github.com/vimeo/statsdaemon/counters"
"github.com/vimeo/statsdaemon/gauges"
"github.com/vimeo/statsdaemon/timers"
"github.com/vimeo/statsdaemon/udp"
"regexp"
"strings"
"testing"
"time"
)
var output = common.NullOutput()
var prefix_internal = ""
func TestPacketParse(t *testing.T) {
d := []byte("gaugor:333|g")
packets := udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
packet := packets[0]
assert.Equal(t, "gaugor", packet.Bucket)
assert.Equal(t, float64(333), packet.Value)
assert.Equal(t, "g", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
d = []byte("gorets:2|c|@0.1")
packets = udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
packet = packets[0]
assert.Equal(t, "gorets", packet.Bucket)
assert.Equal(t, float64(2), packet.Value)
assert.Equal(t, "c", packet.Modifier)
assert.Equal(t, float32(0.1), packet.Sampling)
d = []byte("gorets:4|c")
packets = udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
packet = packets[0]
assert.Equal(t, "gorets", packet.Bucket)
assert.Equal(t, float64(4), packet.Value)
assert.Equal(t, "c", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
d = []byte("gorets:-4|c")
packets = udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
packet = packets[0]
assert.Equal(t, "gorets", packet.Bucket)
assert.Equal(t, float64(-4), packet.Value)
assert.Equal(t, "c", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
d = []byte("glork:320|ms")
packets = udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
packet = packets[0]
assert.Equal(t, "glork", packet.Bucket)
assert.Equal(t, float64(320), packet.Value)
assert.Equal(t, "ms", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
d = []byte("a.key.with-0.dash:4|c")
packets = udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
packet = packets[0]
assert.Equal(t, "a.key.with-0.dash", packet.Bucket)
assert.Equal(t, float64(4), packet.Value)
assert.Equal(t, "c", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
d = []byte("a.key.with-0.dash:4|c\ngauge:3|g")
packets = udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
assert.Equal(t, len(packets), 2)
packet = packets[0]
assert.Equal(t, "a.key.with-0.dash", packet.Bucket)
assert.Equal(t, float64(4), packet.Value)
assert.Equal(t, "c", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
packet = packets[1]
assert.Equal(t, "gauge", packet.Bucket)
assert.Equal(t, float64(3), packet.Value)
assert.Equal(t, "g", packet.Modifier)
assert.Equal(t, float32(1), packet.Sampling)
errors_key := "target_type_is_count.type_is_invalid_line.unit_is_Err"
d = []byte("a.key.with-0.dash:4\ngauge3|g")
packets = udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
assert.Equal(t, len(packets), 2)
assert.Equal(t, packets[0].Bucket, errors_key)
assert.Equal(t, packets[1].Bucket, errors_key)
d = []byte("a.key.with-0.dash:4")
packets = udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
assert.Equal(t, len(packets), 1)
assert.Equal(t, packets[0].Bucket, errors_key)
}
func TestMean(t *testing.T) {
// Some data with expected mean of 20
d := []byte("response_time:0|ms\nresponse_time:30|ms\nresponse_time:30|ms")
packets := udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
ti := timers.New("", timers.Percentiles{})
for _, p := range packets {
ti.Add(p)
}
var buff bytes.Buffer
num := ti.Process(&buff, time.Now().Unix(), 60)
assert.Equal(t, num, int64(1))
dataForGraphite := buff.String()
pattern := `response_time\.mean 20\.[0-9]+ `
meanRegexp := regexp.MustCompile(pattern)
matched := meanRegexp.MatchString(dataForGraphite)
assert.Equal(t, matched, true)
}
func TestUpperPercentile(t *testing.T) {
// Some data with expected mean of 20
d := []byte("time:0|ms\ntime:1|ms\ntime:2|ms\ntime:3|ms")
packets := udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
pct, _ := timers.NewPercentiles("75")
ti := timers.New("", *pct)
for _, p := range packets {
ti.Add(p)
}
var buff bytes.Buffer
num := ti.Process(&buff, time.Now().Unix(), 60)
assert.Equal(t, num, int64(1))
dataForGraphite := buff.String()
meanRegexp := regexp.MustCompile(`time\.upper_75 2\.`)
matched := meanRegexp.MatchString(dataForGraphite)
assert.Equal(t, matched, true)
}
func TestMetrics20Timer(t *testing.T) {
d := []byte("foo=bar.target_type=gauge.unit=ms:5|ms\nfoo=bar.target_type=gauge.unit=ms:10|ms")
packets := udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
pct, _ := timers.NewPercentiles("75")
ti := timers.New("", *pct)
for _, p := range packets {
ti.Add(p)
}
var buff bytes.Buffer
num := ti.Process(&buff, time.Now().Unix(), 10)
assert.Equal(t, int(num), 1)
dataForGraphite := buff.String()
assert.T(t, strings.Contains(dataForGraphite, "foo=bar.target_type=gauge.unit=ms.stat=max_75 10.000000"))
assert.T(t, strings.Contains(dataForGraphite, "foo=bar.target_type=gauge.unit=ms.stat=mean_75 7.500000"))
assert.T(t, strings.Contains(dataForGraphite, "foo=bar.target_type=gauge.unit=ms.stat=sum_75 15.000000"))
assert.T(t, strings.Contains(dataForGraphite, "foo=bar.target_type=gauge.unit=ms.stat=mean 7.500000"))
assert.T(t, strings.Contains(dataForGraphite, "foo=bar.target_type=gauge.unit=ms.stat=median 7.500000"))
assert.T(t, strings.Contains(dataForGraphite, "foo=bar.target_type=gauge.unit=ms.stat=std 2.500000"))
assert.T(t, strings.Contains(dataForGraphite, "foo=bar.target_type=gauge.unit=ms.stat=sum 15.000000"))
assert.T(t, strings.Contains(dataForGraphite, "foo=bar.target_type=gauge.unit=ms.stat=max 10.000000"))
assert.T(t, strings.Contains(dataForGraphite, "foo=bar.target_type=gauge.unit=ms.stat=min 5.000000"))
assert.T(t, strings.Contains(dataForGraphite, "foo=bar.target_type=count.unit=Pckt.orig_unit=ms.pckt_type=sent.direction=in 2"))
assert.T(t, strings.Contains(dataForGraphite, "foo=bar.target_type=rate.unit=Pcktps.orig_unit=ms.pckt_type=sent.direction=in 0.200000"))
}
func TestMetrics20Count(t *testing.T) {
d := []byte("foo=bar.target_type=count.unit=B:5|c\nfoo=bar.target_type=count.unit=B:10|c")
packets := udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
c := counters.New("")
for _, p := range packets {
c.Add(p)
}
var buff bytes.Buffer
var num int64
num += c.Process(&buff, time.Now().Unix(), 10)
dataForGraphite := buff.String()
assert.T(t, strings.Contains(dataForGraphite, "foo=bar.target_type=rate.unit=Bps 1.5"))
}
func TestLowerPercentile(t *testing.T) {
// Some data with expected mean of 20
d := []byte("time:0|ms\ntime:1|ms\ntime:2|ms\ntime:3|ms")
packets := udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
pct, _ := timers.NewPercentiles("-75")
ti := timers.New("", *pct)
for _, p := range packets {
ti.Add(p)
}
var buff bytes.Buffer
var num int64
num += ti.Process(&buff, time.Now().Unix(), 10)
assert.Equal(t, num, int64(1))
dataForGraphite := buff.String()
meanRegexp := regexp.MustCompile(`time\.upper_75 1\.`)
matched := meanRegexp.MatchString(dataForGraphite)
assert.Equal(t, matched, false)
meanRegexp = regexp.MustCompile(`time\.lower_75 1\.`)
matched = meanRegexp.MatchString(dataForGraphite)
assert.Equal(t, matched, true)
}
func BenchmarkMillionDifferentCountersAddAndProcess(b *testing.B) {
metrics := getDifferentCounters(1000000)
b.ResetTimer()
c := counters.New("bar")
for i := 0; i < len(metrics); i++ {
for n := 0; n < b.N; n++ {
c.Add(&metrics[i])
}
}
c.Process(&bytes.Buffer{}, time.Now().Unix(), 10)
}
func BenchmarkMillionSameCountersAddAndProcess(b *testing.B) {
metrics := getSameCounters(1000000)
b.ResetTimer()
c := gauges.New("bar")
for i := 0; i < len(metrics); i++ {
for n := 0; n < b.N; n++ {
c.Add(&metrics[i])
}
}
c.Process(&bytes.Buffer{}, time.Now().Unix(), 10)
}
func BenchmarkMillionDifferentGaugesAddAndProcess(b *testing.B) {
metrics := getDifferentGauges(1000000)
b.ResetTimer()
g := gauges.New("bar")
for i := 0; i < len(metrics); i++ {
for n := 0; n < b.N; n++ {
g.Add(&metrics[i])
}
}
g.Process(&bytes.Buffer{}, time.Now().Unix(), 10)
}
func BenchmarkMillionSameGaugesAddAndProcess(b *testing.B) {
metrics := getSameGauges(1000000)
b.ResetTimer()
g := gauges.New("bar")
for i := 0; i < len(metrics); i++ {
for n := 0; n < b.N; n++ {
g.Add(&metrics[i])
}
}
g.Process(&bytes.Buffer{}, time.Now().Unix(), 10)
}
func BenchmarkMillionDifferentTimersAddAndProcess(b *testing.B) {
metrics := getDifferentTimers(1000000)
b.ResetTimer()
pct, _ := timers.NewPercentiles("99")
t := timers.New("bar", *pct)
for i := 0; i < len(metrics); i++ {
for n := 0; n < b.N; n++ {
t.Add(&metrics[i])
}
}
t.Process(&bytes.Buffer{}, time.Now().Unix(), 10)
}
func BenchmarkMillionSameTimersAddAndProcess(b *testing.B) {
metrics := getSameTimers(1000000)
b.ResetTimer()
pct, _ := timers.NewPercentiles("99")
t := timers.New("bar", *pct)
for i := 0; i < len(metrics); i++ {
for n := 0; n < b.N; n++ {
t.Add(&metrics[i])
}
}
t.Process(&bytes.Buffer{}, time.Now().Unix(), 10)
}