client_golang/prometheus/collectors/go_collector_latest_test.go

40 lines
1.1 KiB
Go

// Copyright 2021 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.
//go:build go1.17
// +build go1.17
package collectors
import (
"encoding/json"
"testing"
"github.com/prometheus/client_golang/prometheus"
)
func TestGoCollectorMarshalling(t *testing.T) {
reg := prometheus.NewRegistry()
reg.MustRegister(NewGoCollector(
WithGoCollections(GoRuntimeMemStatsCollection | GoRuntimeMetricsCollection),
))
result, err := reg.Gather()
if err != nil {
t.Fatal(err)
}
if _, err := json.Marshal(result); err != nil {
t.Errorf("json marshalling shoud not fail, %v", err)
}
}