mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-22 19:40:36 +00:00
32d31c31af
The test failed due to what appears to be fluctuations in time.Sleep, which is not the actual method under test. This change modifies it so we compare the metered Max to the actual time instead of the desired time.
115 lines
2.6 KiB
Go
115 lines
2.6 KiB
Go
package metrics
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import (
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"fmt"
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"math"
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"testing"
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"time"
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)
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func BenchmarkTimer(b *testing.B) {
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tm := NewTimer()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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tm.Update(1)
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}
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}
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func TestGetOrRegisterTimer(t *testing.T) {
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r := NewRegistry()
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NewRegisteredTimer("foo", r).Update(47)
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if tm := GetOrRegisterTimer("foo", r); tm.Count() != 1 {
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t.Fatal(tm)
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}
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}
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func TestTimerExtremes(t *testing.T) {
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tm := NewTimer()
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tm.Update(math.MaxInt64)
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tm.Update(0)
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if stdDev := tm.StdDev(); stdDev != 4.611686018427388e+18 {
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t.Errorf("tm.StdDev(): 4.611686018427388e+18 != %v\n", stdDev)
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}
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}
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func TestTimerStop(t *testing.T) {
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l := len(arbiter.meters)
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tm := NewTimer()
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if l+1 != len(arbiter.meters) {
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t.Errorf("arbiter.meters: %d != %d\n", l+1, len(arbiter.meters))
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}
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tm.Stop()
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if l != len(arbiter.meters) {
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t.Errorf("arbiter.meters: %d != %d\n", l, len(arbiter.meters))
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}
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}
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func TestTimerFunc(t *testing.T) {
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var (
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tm = NewTimer()
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testStart = time.Now()
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actualTime time.Duration
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)
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tm.Time(func() {
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time.Sleep(50 * time.Millisecond)
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actualTime = time.Since(testStart)
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})
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var (
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drift = time.Millisecond * 2
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measured = time.Duration(tm.Max())
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ceil = actualTime + drift
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floor = actualTime - drift
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)
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if measured > ceil || measured < floor {
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t.Errorf("tm.Max(): %v > %v || %v > %v\n", measured, ceil, measured, floor)
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}
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}
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func TestTimerZero(t *testing.T) {
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tm := NewTimer()
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if count := tm.Count(); count != 0 {
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t.Errorf("tm.Count(): 0 != %v\n", count)
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}
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if min := tm.Min(); min != 0 {
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t.Errorf("tm.Min(): 0 != %v\n", min)
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}
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if max := tm.Max(); max != 0 {
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t.Errorf("tm.Max(): 0 != %v\n", max)
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}
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if mean := tm.Mean(); mean != 0.0 {
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t.Errorf("tm.Mean(): 0.0 != %v\n", mean)
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}
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if stdDev := tm.StdDev(); stdDev != 0.0 {
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t.Errorf("tm.StdDev(): 0.0 != %v\n", stdDev)
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}
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ps := tm.Percentiles([]float64{0.5, 0.75, 0.99})
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if ps[0] != 0.0 {
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t.Errorf("median: 0.0 != %v\n", ps[0])
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}
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if ps[1] != 0.0 {
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t.Errorf("75th percentile: 0.0 != %v\n", ps[1])
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}
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if ps[2] != 0.0 {
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t.Errorf("99th percentile: 0.0 != %v\n", ps[2])
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}
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if rate1 := tm.Rate1(); rate1 != 0.0 {
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t.Errorf("tm.Rate1(): 0.0 != %v\n", rate1)
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}
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if rate5 := tm.Rate5(); rate5 != 0.0 {
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t.Errorf("tm.Rate5(): 0.0 != %v\n", rate5)
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}
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if rate15 := tm.Rate15(); rate15 != 0.0 {
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t.Errorf("tm.Rate15(): 0.0 != %v\n", rate15)
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}
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if rateMean := tm.RateMean(); rateMean != 0.0 {
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t.Errorf("tm.RateMean(): 0.0 != %v\n", rateMean)
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}
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}
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func ExampleGetOrRegisterTimer() {
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m := "account.create.latency"
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t := GetOrRegisterTimer(m, nil)
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t.Update(47)
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fmt.Println(t.Max()) // Output: 47
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}
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