cloudflared-mirror/metrics/timer_test.go

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package metrics
import (
"testing"
"time"
"github.com/prometheus/client_golang/prometheus"
"github.com/stretchr/testify/assert"
)
func TestEnd(t *testing.T) {
m := prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "TestCallLatencyWithoutMeasurement",
Name: "Latency",
Buckets: prometheus.LinearBuckets(0, 50, 100),
},
[]string{"key"},
)
timer := NewTimer(m, time.Millisecond, "key")
assert.Equal(t, time.Duration(0), timer.End("dne"))
timer.Start("test")
assert.NotEqual(t, time.Duration(0), timer.End("test"))
}