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81cf14ae0c
Method value signature matches expected callback signature, so there is no need in explicit lambda wrapping.
57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
package convert
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import (
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"testing"
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"github.com/go-kit/kit/metrics/generic"
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"github.com/go-kit/kit/metrics/teststat"
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)
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func TestCounterHistogramConversion(t *testing.T) {
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name := "my_counter"
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c := generic.NewCounter(name)
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h := NewCounterAsHistogram(c)
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top := NewHistogramAsCounter(h).With("label", "counter").(histogramCounter)
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mid := top.h.(counterHistogram)
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low := mid.c.(*generic.Counter)
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if want, have := name, low.Name; want != have {
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t.Errorf("Name: want %q, have %q", want, have)
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}
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if err := teststat.TestCounter(top, low.Value); err != nil {
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t.Fatal(err)
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}
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}
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func TestCounterGaugeConversion(t *testing.T) {
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name := "my_counter"
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c := generic.NewCounter(name)
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g := NewCounterAsGauge(c)
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top := NewGaugeAsCounter(g).With("label", "counter").(gaugeCounter)
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mid := top.g.(counterGauge)
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low := mid.c.(*generic.Counter)
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if want, have := name, low.Name; want != have {
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t.Errorf("Name: want %q, have %q", want, have)
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}
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if err := teststat.TestCounter(top, low.Value); err != nil {
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t.Fatal(err)
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}
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}
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func TestHistogramGaugeConversion(t *testing.T) {
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name := "my_histogram"
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h := generic.NewHistogram(name, 50)
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g := NewHistogramAsGauge(h)
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top := NewGaugeAsHistogram(g).With("label", "histogram").(gaugeHistogram)
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mid := top.g.(histogramGauge)
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low := mid.h.(*generic.Histogram)
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if want, have := name, low.Name; want != have {
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t.Errorf("Name: want %q, have %q", want, have)
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}
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quantiles := func() (float64, float64, float64, float64) {
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return low.Quantile(0.50), low.Quantile(0.90), low.Quantile(0.95), low.Quantile(0.99)
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}
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if err := teststat.TestHistogram(top, quantiles, 0.01); err != nil {
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t.Fatal(err)
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}
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}
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