65 lines
2.2 KiB
Go
65 lines
2.2 KiB
Go
// Copyright 2018 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_test
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"time"
|
|
|
|
dto "github.com/prometheus/client_model/go"
|
|
"google.golang.org/protobuf/encoding/protojson"
|
|
"google.golang.org/protobuf/proto"
|
|
"google.golang.org/protobuf/types/known/timestamppb"
|
|
)
|
|
|
|
// sanitizeMetric injects expected fake created timestamp value "1970-01-01T00:00:10Z",
|
|
// so we can compare it in examples. It modifies metric in-place, the returned pointer
|
|
// is for convenience.
|
|
func sanitizeMetric(metric *dto.Metric) *dto.Metric {
|
|
if metric.Counter != nil && metric.Counter.CreatedTimestamp != nil {
|
|
metric.Counter.CreatedTimestamp = timestamppb.New(time.Unix(10, 0))
|
|
}
|
|
if metric.Summary != nil && metric.Summary.CreatedTimestamp != nil {
|
|
metric.Summary.CreatedTimestamp = timestamppb.New(time.Unix(10, 0))
|
|
}
|
|
if metric.Histogram != nil && metric.Histogram.CreatedTimestamp != nil {
|
|
metric.Histogram.CreatedTimestamp = timestamppb.New(time.Unix(10, 0))
|
|
}
|
|
return metric
|
|
}
|
|
|
|
// sanitizeMetricFamily is like sanitizeMetric, but for multiple metrics.
|
|
func sanitizeMetricFamily(f *dto.MetricFamily) *dto.MetricFamily {
|
|
for _, m := range f.Metric {
|
|
sanitizeMetric(m)
|
|
}
|
|
return f
|
|
}
|
|
|
|
// toNormalizedJSON removes fake random space from proto JSON original marshaller.
|
|
// It is required, so we can compare proto messages in json format.
|
|
// Read more in https://github.com/golang/protobuf/issues/1121
|
|
func toNormalizedJSON(m proto.Message) string {
|
|
mAsJSON, err := protojson.Marshal(m)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
buffer := new(bytes.Buffer)
|
|
if err := json.Compact(buffer, mAsJSON); err != nil {
|
|
panic(err)
|
|
}
|
|
return buffer.String()
|
|
}
|