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// Copyright 2018 psgo 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 proc
import (
"errors"
"testing"
"github.com/stretchr/testify/assert"
)
var statFile = "31404 (gedit) R 2109 2128 2128 0 -1 4194304 13153 328 0 0 590 55 0 0 20 0 6 0 1331588 419667968 19515 18446744073709551615 94120519110656 94120519115256 140737253236304 0 0 0 0 4096 0 0 0 0 17 2 0 0 62588346 0 0 94120521215368 94120521216168 94120544436224 140737253242331 140737253242369 140737253242369 140737253244905 0"
var statFileSpace = "31405 (ge d it) R 2109 2128 2128 0 -1 4194304 13153 328 0 0 590 55 0 0 20 0 6 0 1331588 419667968 19515 18446744073709551615 94120519110656 94120519115256 140737253236304 0 0 0 0 4096 0 0 0 0 17 2 0 0 62588346 0 0 94120521215368 94120521216168 94120544436224 140737253242331 140737253242369 140737253242369 140737253244905 0"
var statFileParen = "31406 (ged)it) R 2109 2128 2128 0 -1 4194304 13153 328 0 0 590 55 0 0 20 0 6 0 1331588 419667968 19515 18446744073709551615 94120519110656 94120519115256 140737253236304 0 0 0 0 4096 0 0 0 0 17 2 0 0 62588346 0 0 94120521215368 94120521216168 94120544436224 140737253242331 140737253242369 140737253242369 140737253244905 0"
func testReadStat(file string) (string, error) {
switch file {
case "/proc/31404/stat":
return statFile, nil
case "/proc/31405/stat":
return statFileSpace, nil
case "/proc/31406/stat":
return statFileParen, nil
}
return "", errors.New("unimplemented test case")
}
func TestParseStat(t *testing.T) {
readStat = testReadStat
s, err := ParseStat("31404")
assert.Nil(t, err)
assert.NotNil(t, s)
assert.Equal(t, "31404", s.Pid)
assert.Equal(t, "gedit", s.Comm)
assert.Equal(t, "R", s.State)
assert.Equal(t, "2109", s.Ppid)
assert.Equal(t, "2128", s.Pgrp)
assert.Equal(t, "2128", s.Session)
assert.Equal(t, "0", s.TtyNr)
assert.Equal(t, "-1", s.Tpgid)
assert.Equal(t, "4194304", s.Flags)
assert.Equal(t, "13153", s.Minflt)
assert.Equal(t, "328", s.Cminflt)
assert.Equal(t, "0", s.Majflt)
assert.Equal(t, "0", s.Cmajflt)
assert.Equal(t, "590", s.Utime)
assert.Equal(t, "55", s.Stime)
assert.Equal(t, "0", s.Cutime)
assert.Equal(t, "0", s.Cstime)
assert.Equal(t, "20", s.Priority)
assert.Equal(t, "0", s.Nice)
assert.Equal(t, "6", s.NumThreads)
assert.Equal(t, "0", s.Itrealvalue)
assert.Equal(t, "1331588", s.Starttime)
assert.Equal(t, "419667968", s.Vsize)
s2, err := ParseStat("31405")
assert.Nil(t, err)
assert.NotNil(t, s2)
assert.Equal(t, "ge d it", s2.Comm)
s3, err := ParseStat("31406")
assert.Nil(t, err)
assert.NotNil(t, s3)
assert.Equal(t, "ged)it", s3.Comm)
}
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