Moved to google.golang.org/genproto/googleapis/api/annotations

Fixes #52

vendor/github.com/go-kit/kit/metrics/timer_test.go

@@ -0,0 +1,33 @@
+package metrics_test
+
+import (
+	"math"
+	"testing"
+
+	"time"
+
+	"github.com/go-kit/kit/metrics"
+	"github.com/go-kit/kit/metrics/generic"
+)
+
+func TestTimerFast(t *testing.T) {
+	h := generic.NewSimpleHistogram()
+	metrics.NewTimer(h).ObserveDuration()
+
+	tolerance := 0.050
+	if want, have := 0.000, h.ApproximateMovingAverage(); math.Abs(want-have) > tolerance {
+		t.Errorf("want %.3f, have %.3f", want, have)
+	}
+}
+
+func TestTimerSlow(t *testing.T) {
+	h := generic.NewSimpleHistogram()
+	timer := metrics.NewTimer(h)
+	time.Sleep(250 * time.Millisecond)
+	timer.ObserveDuration()
+
+	tolerance := 0.050
+	if want, have := 0.250, h.ApproximateMovingAverage(); math.Abs(want-have) > tolerance {
+		t.Errorf("want %.3f, have %.3f", want, have)
+	}
+}