client_golang/prometheus/timer_test.go

42 lines
1017 B
Go

// Copyright 2016 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package prometheus
import (
"testing"
dto "github.com/prometheus/client_model/go"
)
func TestTimerObserve(t *testing.T) {
his := NewHistogram(
HistogramOpts{
Name: "test_histogram",
},
)
timer := NewTimer().With(his)
timer.ObserveDuration()
m := &dto.Metric{}
his.Write(m)
for _, b := range m.Histogram.Bucket {
if int(b.GetCumulativeCount()) > 0 {
return
}
}
t.Fatalf("no counts recorded")
}