mirror of
https://github.com/genuinetools/reg.git
synced 2024-07-04 12:34:17 -04:00
124 lines
2.8 KiB
Go
124 lines
2.8 KiB
Go
// Copyright 2018 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package procfs
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import (
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"os"
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"testing"
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)
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func TestProcStat(t *testing.T) {
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p, err := FS("fixtures").NewProc(26231)
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if err != nil {
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t.Fatal(err)
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}
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s, err := p.NewStat()
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if err != nil {
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t.Fatal(err)
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}
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for _, test := range []struct {
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name string
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want int
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have int
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}{
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{name: "pid", want: 26231, have: s.PID},
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{name: "user time", want: 1677, have: int(s.UTime)},
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{name: "system time", want: 44, have: int(s.STime)},
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{name: "start time", want: 82375, have: int(s.Starttime)},
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{name: "virtual memory size", want: 56274944, have: s.VSize},
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{name: "resident set size", want: 1981, have: s.RSS},
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} {
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if test.want != test.have {
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t.Errorf("want %s %d, have %d", test.name, test.want, test.have)
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}
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}
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}
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func TestProcStatComm(t *testing.T) {
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s1, err := testProcStat(26231)
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if err != nil {
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t.Fatal(err)
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}
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if want, have := "vim", s1.Comm; want != have {
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t.Errorf("want comm %s, have %s", want, have)
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}
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s2, err := testProcStat(584)
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if err != nil {
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t.Fatal(err)
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}
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if want, have := "(a b ) ( c d) ", s2.Comm; want != have {
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t.Errorf("want comm %s, have %s", want, have)
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}
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}
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func TestProcStatVirtualMemory(t *testing.T) {
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s, err := testProcStat(26231)
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if err != nil {
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t.Fatal(err)
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}
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if want, have := 56274944, s.VirtualMemory(); want != have {
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t.Errorf("want virtual memory %d, have %d", want, have)
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}
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}
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func TestProcStatResidentMemory(t *testing.T) {
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s, err := testProcStat(26231)
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if err != nil {
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t.Fatal(err)
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}
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if want, have := 1981*os.Getpagesize(), s.ResidentMemory(); want != have {
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t.Errorf("want resident memory %d, have %d", want, have)
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}
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}
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func TestProcStatStartTime(t *testing.T) {
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s, err := testProcStat(26231)
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if err != nil {
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t.Fatal(err)
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}
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time, err := s.StartTime()
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if err != nil {
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t.Fatal(err)
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}
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if want, have := 1418184099.75, time; want != have {
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t.Errorf("want start time %f, have %f", want, have)
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}
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}
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func TestProcStatCPUTime(t *testing.T) {
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s, err := testProcStat(26231)
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if err != nil {
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t.Fatal(err)
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}
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if want, have := 17.21, s.CPUTime(); want != have {
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t.Errorf("want cpu time %f, have %f", want, have)
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}
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}
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func testProcStat(pid int) (ProcStat, error) {
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p, err := FS("fixtures").NewProc(pid)
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if err != nil {
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return ProcStat{}, err
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}
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return p.NewStat()
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}
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