82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
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package metrics
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import (
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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); 1 != tm.Count() {
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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(); 4.611686018427388e+18 != stdDev {
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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 TestTimerFunc(t *testing.T) {
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tm := NewTimer()
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tm.Time(func() { time.Sleep(50e6) })
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if max := tm.Max(); 45e6 > max || max > 55e6 {
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t.Errorf("tm.Max(): 45e6 > %v || %v > 55e6\n", max, max)
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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(); 0 != count {
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t.Errorf("tm.Count(): 0 != %v\n", count)
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}
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if min := tm.Min(); 0 != min {
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t.Errorf("tm.Min(): 0 != %v\n", min)
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}
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if max := tm.Max(); 0 != max {
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t.Errorf("tm.Max(): 0 != %v\n", max)
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}
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if mean := tm.Mean(); 0.0 != mean {
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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(); 0.0 != stdDev {
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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 0.0 != ps[0] {
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t.Errorf("median: 0.0 != %v\n", ps[0])
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}
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if 0.0 != ps[1] {
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t.Errorf("75th percentile: 0.0 != %v\n", ps[1])
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}
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if 0.0 != ps[2] {
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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(); 0.0 != rate1 {
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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(); 0.0 != rate5 {
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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(); 0.0 != rate15 {
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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(); 0.0 != rateMean {
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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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