/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/cgroups/fs/pids_test.go is in golang-github-opencontainers-runc-dev 0.0.8+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | // +build linux
package fs
import (
"strconv"
"testing"
"github.com/opencontainers/runc/libcontainer/cgroups"
)
const (
maxUnlimited = -1
maxLimited = 1024
)
func TestPidsSetMax(t *testing.T) {
helper := NewCgroupTestUtil("pids", t)
defer helper.cleanup()
helper.writeFileContents(map[string]string{
"pids.max": "max",
})
helper.CgroupData.config.Resources.PidsLimit = maxLimited
pids := &PidsGroup{}
if err := pids.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
t.Fatal(err)
}
value, err := getCgroupParamUint(helper.CgroupPath, "pids.max")
if err != nil {
t.Fatalf("Failed to parse pids.max - %s", err)
}
if value != maxLimited {
t.Fatalf("Expected %d, got %d for setting pids.max - limited", maxLimited, value)
}
}
func TestPidsSetUnlimited(t *testing.T) {
helper := NewCgroupTestUtil("pids", t)
defer helper.cleanup()
helper.writeFileContents(map[string]string{
"pids.max": strconv.Itoa(maxLimited),
})
helper.CgroupData.config.Resources.PidsLimit = maxUnlimited
pids := &PidsGroup{}
if err := pids.Set(helper.CgroupPath, helper.CgroupData.config); err != nil {
t.Fatal(err)
}
value, err := getCgroupParamString(helper.CgroupPath, "pids.max")
if err != nil {
t.Fatalf("Failed to parse pids.max - %s", err)
}
if value != "max" {
t.Fatalf("Expected %s, got %s for setting pids.max - unlimited", "max", value)
}
}
func TestPidsStats(t *testing.T) {
helper := NewCgroupTestUtil("pids", t)
defer helper.cleanup()
helper.writeFileContents(map[string]string{
"pids.current": strconv.Itoa(1337),
"pids.max": strconv.Itoa(maxLimited),
})
pids := &PidsGroup{}
stats := *cgroups.NewStats()
if err := pids.GetStats(helper.CgroupPath, &stats); err != nil {
t.Fatal(err)
}
if stats.PidsStats.Current != 1337 {
t.Fatalf("Expected %d, got %d for pids.current", 1337, stats.PidsStats.Current)
}
}
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