mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-18 06:30:14 +01:00
55 lines
1.7 KiB
Go
55 lines
1.7 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.
|
|
|
|
// +build !noprocesses
|
|
|
|
package collector
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/go-kit/kit/log"
|
|
"github.com/prometheus/procfs"
|
|
kingpin "gopkg.in/alecthomas/kingpin.v2"
|
|
)
|
|
|
|
func TestReadProcessStatus(t *testing.T) {
|
|
if _, err := kingpin.CommandLine.Parse([]string{"--path.procfs", "fixtures/proc"}); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := 1
|
|
fs, err := procfs.NewFS(*procPath)
|
|
if err != nil {
|
|
t.Errorf("failed to open procfs: %v", err)
|
|
}
|
|
c := processCollector{fs: fs, logger: log.NewNopLogger()}
|
|
pids, states, threads, err := c.getAllocatedThreads()
|
|
if err != nil {
|
|
t.Fatalf("Cannot retrieve data from procfs getAllocatedThreads function: %v ", err)
|
|
}
|
|
if threads < want {
|
|
t.Fatalf("Current threads: %d Shouldn't be less than wanted %d", threads, want)
|
|
}
|
|
if states == nil {
|
|
|
|
t.Fatalf("Process states cannot be nil %v:", states)
|
|
}
|
|
maxPid, err := readUintFromFile(procFilePath("sys/kernel/pid_max"))
|
|
if err != nil {
|
|
t.Fatalf("Unable to retrieve limit number of maximum pids alloved %v\n", err)
|
|
}
|
|
if uint64(pids) > maxPid || pids == 0 {
|
|
t.Fatalf("Total running pids cannot be greater than %d or equals to 0", maxPid)
|
|
}
|
|
}
|