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package fs
import (
"strconv"
"testing"
"github.com/opencontainers/cgroups"
"github.com/opencontainers/cgroups/fscommon"
)
const (
classidBefore = 0x100002
classidAfter = 0x100001
)
func TestNetClsSetClassid(t *testing.T) {
path := tempDir(t, "net_cls")
writeFileContents(t, path, map[string]string{
"net_cls.classid": strconv.FormatUint(classidBefore, 10),
})
r := &cgroups.Resources{
NetClsClassid: classidAfter,
}
netcls := &NetClsGroup{}
if err := netcls.Set(path, r); err != nil {
t.Fatal(err)
}
// As we are in mock environment, we can't get correct value of classid from
// net_cls.classid.
// So. we just judge if we successfully write classid into file
value, err := fscommon.GetCgroupParamUint(path, "net_cls.classid")
if err != nil {
t.Fatal(err)
}
if value != classidAfter {
t.Fatal("Got the wrong value, set net_cls.classid failed.")
}
}
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