34 lines
732 B
Go
34 lines
732 B
Go
package metrics_test
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import (
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"math"
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"testing"
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"time"
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"github.com/go-kit/kit/metrics"
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"github.com/go-kit/kit/metrics/generic"
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)
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func TestTimerFast(t *testing.T) {
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h := generic.NewSimpleHistogram()
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metrics.NewTimer(h).ObserveDuration()
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tolerance := 0.050
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if want, have := 0.000, h.ApproximateMovingAverage(); math.Abs(want-have) > tolerance {
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t.Errorf("want %.3f, have %.3f", want, have)
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}
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}
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func TestTimerSlow(t *testing.T) {
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h := generic.NewSimpleHistogram()
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timer := metrics.NewTimer(h)
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time.Sleep(250 * time.Millisecond)
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timer.ObserveDuration()
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tolerance := 0.050
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if want, have := 0.250, h.ApproximateMovingAverage(); math.Abs(want-have) > tolerance {
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t.Errorf("want %.3f, have %.3f", want, have)
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}
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}
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