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|
// +build seccomp
package seccomp
import (
"io/ioutil"
"os"
"testing"
"github.com/stretchr/testify/require"
)
var statusFile = `
Name: bash
Umask: 0022
State: S (sleeping)
Tgid: 17248
Ngid: 0
Pid: 17248
PPid: 17200
TracerPid: 0
Uid: 1000 1000 1000 1000
Gid: 100 100 100 100
FDSize: 256
Groups: 16 33 100
NStgid: 17248
NSpid: 17248
NSpgid: 17248
NSsid: 17200
VmPeak: 131168 kB
VmSize: 131168 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM: 13484 kB
VmRSS: 13484 kB
RssAnon: 10264 kB
RssFile: 3220 kB
RssShmem: 0 kB
VmData: 10332 kB
VmStk: 136 kB
VmExe: 992 kB
VmLib: 2104 kB
VmPTE: 76 kB
VmPMD: 12 kB
VmSwap: 0 kB
HugetlbPages: 0 kB # 4.4
Threads: 1
SigQ: 0/3067
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000010000
SigIgn: 0000000000384004
SigCgt: 000000004b813efb
CapInh: 0000000000000000
CapPrm: 0000000000000000
CapEff: 0000000000000000
CapBnd: ffffffffffffffff
CapAmb: 0000000000000000
NoNewPrivs: 0
Seccomp: 0
Cpus_allowed: 00000001
Cpus_allowed_list: 0
Mems_allowed: 1
Mems_allowed_list: 0
voluntary_ctxt_switches: 150
nonvoluntary_ctxt_switches: 545
`
func TestParseStatusFile(t *testing.T) {
for _, tc := range []struct {
getFilePath func() (string, func())
shouldErr bool
expected map[string]string
}{
{ // success
getFilePath: func() (string, func()) {
tempFile, err := ioutil.TempFile("", "parse-status-file-")
require.Nil(t, err)
// Valid entry
_, err = tempFile.WriteString("Seccomp: 0\n")
require.Nil(t, err)
// Unparsable entry
_, err = tempFile.WriteString("wrong")
require.Nil(t, err)
return tempFile.Name(), func() {
require.Nil(t, os.RemoveAll(tempFile.Name()))
}
},
shouldErr: false,
expected: map[string]string{"Seccomp": "0"},
},
{ // success whole file
getFilePath: func() (string, func()) {
tempFile, err := ioutil.TempFile("", "parse-status-file-")
require.Nil(t, err)
_, err = tempFile.WriteString(statusFile)
require.Nil(t, err)
return tempFile.Name(), func() {
require.Nil(t, os.RemoveAll(tempFile.Name()))
}
},
shouldErr: false,
expected: map[string]string{
"CapAmb": "0000000000000000",
"CapBnd": "ffffffffffffffff",
"CapEff": "0000000000000000",
"CapInh": "0000000000000000",
"CapPrm": "0000000000000000",
"Cpus_allowed": "00000001",
"Cpus_allowed_list": "0",
"FDSize": "256",
"Gid": "100 100 100 100",
"Groups": "16 33 100",
"HugetlbPages": "0 kB # 4.4",
"Mems_allowed": "1",
"Mems_allowed_list": "0",
"NSpgid": "17248",
"NSpid": "17248",
"NSsid": "17200",
"NStgid": "17248",
"Name": "bash",
"Ngid": "0",
"NoNewPrivs": "0",
"PPid": "17200",
"Pid": "17248",
"RssAnon": "10264 kB",
"RssFile": "3220 kB",
"RssShmem": "0 kB",
"Seccomp": "0",
"ShdPnd": "0000000000000000",
"SigBlk": "0000000000010000",
"SigCgt": "000000004b813efb",
"SigIgn": "0000000000384004",
"SigPnd": "0000000000000000",
"SigQ": "0/3067",
"State": "S (sleeping)",
"Tgid": "17248",
"Threads": "1",
"TracerPid": "0",
"Uid": "1000 1000 1000 1000",
"Umask": "0022",
"VmData": "10332 kB",
"VmExe": "992 kB",
"VmHWM": "13484 kB",
"VmLck": "0 kB",
"VmLib": "2104 kB",
"VmPMD": "12 kB",
"VmPTE": "76 kB",
"VmPeak": "131168 kB",
"VmPin": "0 kB",
"VmRSS": "13484 kB",
"VmSize": "131168 kB",
"VmStk": "136 kB",
"VmSwap": "0 kB",
"nonvoluntary_ctxt_switches": "545",
"voluntary_ctxt_switches": "150",
},
},
{ // error opening file
getFilePath: func() (string, func()) {
tempFile, err := ioutil.TempFile("", "parse-status-file-")
require.Nil(t, err)
require.Nil(t, os.RemoveAll(tempFile.Name()))
return tempFile.Name(), func() {}
},
shouldErr: true,
},
} {
filePath, cleanup := tc.getFilePath()
defer cleanup()
res, err := parseStatusFile(filePath)
if tc.shouldErr {
require.NotNil(t, err)
} else {
require.Equal(t, tc.expected, res)
}
}
}
|
