1 package pcp
2
3 import (
4 "testing"
5
6 "github.com/performancecopilot/speed/v4"
7
8 "github.com/go-kit/kit/metrics/teststat"
9 )
10
11 func TestCounter(t *testing.T) {
12 r, err := NewReporter("test_counter")
13 if err != nil {
14 t.Fatal(err)
15 }
16
17 counter, err := r.NewCounter("speed_counter")
18 if err != nil {
19 t.Fatal(err)
20 }
21
22 counter = counter.With("label values", "not supported").(*Counter)
23
24 value := func() float64 { f := counter.c.Val(); return float64(f) }
25 if err := teststat.TestCounter(counter, value); err != nil {
26 t.Fatal(err)
27 }
28 }
29
30 func TestGauge(t *testing.T) {
31 r, err := NewReporter("test_gauge")
32 if err != nil {
33 t.Fatal(err)
34 }
35
36 gauge, err := r.NewGauge("speed_gauge")
37 if err != nil {
38 t.Fatal(err)
39 }
40
41 gauge = gauge.With("label values", "not supported").(*Gauge)
42
43 value := func() []float64 { f := gauge.g.Val(); return []float64{f} }
44 if err := teststat.TestGauge(gauge, value); err != nil {
45 t.Fatal(err)
46 }
47 }
48
49 func TestHistogram(t *testing.T) {
50 r, err := NewReporter("test_histogram")
51 if err != nil {
52 t.Fatal(err)
53 }
54
55 histogram, err := r.NewHistogram("speed_histogram", 0, 3600000000, speed.OneUnit)
56 if err != nil {
57 t.Fatal(err)
58 }
59
60 histogram = histogram.With("label values", "not supported").(*Histogram)
61
62 quantiles := func() (float64, float64, float64, float64) {
63 p50 := float64(histogram.Percentile(50))
64 p90 := float64(histogram.Percentile(90))
65 p95 := float64(histogram.Percentile(95))
66 p99 := float64(histogram.Percentile(99))
67 return p50, p90, p95, p99
68 }
69 if err := teststat.TestHistogram(histogram, quantiles, 0.01); err != nil {
70 t.Fatal(err)
71 }
72 }
73
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