mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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ae9f97221a
* go-metrics: fork library and introduce ResettingTimer and InfluxDB reporter. * vendor: change nonsense/go-metrics to ethersphere/go-metrics * go-metrics: add tests. move ResettingTimer logic from reporter to type. * all, metrics: pull in metrics package in go-ethereum * metrics/test: make sure metrics are enabled for tests * metrics: apply gosimple rules * metrics/exp, internal/debug: init expvar endpoint when starting pprof server * internal/debug: tiny comment formatting fix
69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
package metrics
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import (
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"fmt"
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"testing"
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)
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func BenchmarkGuage(b *testing.B) {
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g := NewGauge()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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g.Update(int64(i))
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}
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}
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func TestGauge(t *testing.T) {
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g := NewGauge()
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g.Update(int64(47))
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if v := g.Value(); 47 != v {
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t.Errorf("g.Value(): 47 != %v\n", v)
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}
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}
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func TestGaugeSnapshot(t *testing.T) {
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g := NewGauge()
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g.Update(int64(47))
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snapshot := g.Snapshot()
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g.Update(int64(0))
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if v := snapshot.Value(); 47 != v {
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t.Errorf("g.Value(): 47 != %v\n", v)
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}
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}
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func TestGetOrRegisterGauge(t *testing.T) {
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r := NewRegistry()
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NewRegisteredGauge("foo", r).Update(47)
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if g := GetOrRegisterGauge("foo", r); 47 != g.Value() {
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t.Fatal(g)
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}
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}
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func TestFunctionalGauge(t *testing.T) {
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var counter int64
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fg := NewFunctionalGauge(func() int64 {
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counter++
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return counter
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})
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fg.Value()
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fg.Value()
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if counter != 2 {
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t.Error("counter != 2")
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}
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}
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func TestGetOrRegisterFunctionalGauge(t *testing.T) {
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r := NewRegistry()
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NewRegisteredFunctionalGauge("foo", r, func() int64 { return 47 })
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if g := GetOrRegisterGauge("foo", r); 47 != g.Value() {
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t.Fatal(g)
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}
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}
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func ExampleGetOrRegisterGauge() {
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m := "server.bytes_sent"
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g := GetOrRegisterGauge(m, nil)
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g.Update(47)
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fmt.Println(g.Value()) // Output: 47
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}
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