Node_Exporter/collector/processes_linux_test.go
Pavlo Kutishchev 456bf5094a Add processes exporter (#950)
* Add processes exporter

Signed-off-by: Pavel Kutishchev <pavel.kutishchev@olx.com>
Signed-off-by: Ben Kochie <superq@gmail.com>
2018-06-05 19:38:32 +02:00

48 lines
1.5 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"
"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
pids, states, threads, err := 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)
}
}