/usr/share/gocode/src/github.com/opencontainers/runc/libcontainer/configs/config_linux_test.go is in golang-github-opencontainers-runc-dev 1.0.0~rc4+dfsg1-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import (
"encoding/json"
"fmt"
"os"
"path/filepath"
"testing"
)
func loadConfig(name string) (*Config, error) {
f, err := os.Open(filepath.Join("../sample_configs", name))
if err != nil {
return nil, err
}
defer f.Close()
var container *Config
if err := json.NewDecoder(f).Decode(&container); err != nil {
return nil, err
}
// Check that a config doesn't contain extra fields
var configMap, abstractMap map[string]interface{}
if _, err := f.Seek(0, 0); err != nil {
return nil, err
}
if err := json.NewDecoder(f).Decode(&abstractMap); err != nil {
return nil, err
}
configData, err := json.Marshal(&container)
if err != nil {
return nil, err
}
if err := json.Unmarshal(configData, &configMap); err != nil {
return nil, err
}
for k := range configMap {
delete(abstractMap, k)
}
if len(abstractMap) != 0 {
return nil, fmt.Errorf("unknown fields: %s", abstractMap)
}
return container, nil
}
func TestRemoveNamespace(t *testing.T) {
ns := Namespaces{
{Type: NEWNET},
}
if !ns.Remove(NEWNET) {
t.Fatal("NEWNET was not removed")
}
if len(ns) != 0 {
t.Fatalf("namespaces should have 0 items but reports %d", len(ns))
}
}
func TestHostRootUIDNoUSERNS(t *testing.T) {
config := &Config{
Namespaces: Namespaces{},
}
uid, err := config.HostRootUID()
if err != nil {
t.Fatal(err)
}
if uid != 0 {
t.Fatalf("expected uid 0 with no USERNS but received %d", uid)
}
}
func TestHostRootUIDWithUSERNS(t *testing.T) {
config := &Config{
Namespaces: Namespaces{{Type: NEWUSER}},
UidMappings: []IDMap{
{
ContainerID: 0,
HostID: 1000,
Size: 1,
},
},
}
uid, err := config.HostRootUID()
if err != nil {
t.Fatal(err)
}
if uid != 1000 {
t.Fatalf("expected uid 1000 with no USERNS but received %d", uid)
}
}
func TestHostRootGIDNoUSERNS(t *testing.T) {
config := &Config{
Namespaces: Namespaces{},
}
uid, err := config.HostRootGID()
if err != nil {
t.Fatal(err)
}
if uid != 0 {
t.Fatalf("expected gid 0 with no USERNS but received %d", uid)
}
}
func TestHostRootGIDWithUSERNS(t *testing.T) {
config := &Config{
Namespaces: Namespaces{{Type: NEWUSER}},
GidMappings: []IDMap{
{
ContainerID: 0,
HostID: 1000,
Size: 1,
},
},
}
uid, err := config.HostRootGID()
if err != nil {
t.Fatal(err)
}
if uid != 1000 {
t.Fatalf("expected gid 1000 with no USERNS but received %d", uid)
}
}
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