128 lines
2.9 KiB
Go
128 lines
2.9 KiB
Go
// +build linux
|
|
|
|
package libcontainer
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io/ioutil"
|
|
"os"
|
|
"path/filepath"
|
|
"testing"
|
|
|
|
"github.com/docker/libcontainer/configs"
|
|
)
|
|
|
|
func newTestRoot() (string, error) {
|
|
dir, err := ioutil.TempDir("", "libcontainer")
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
if err := os.MkdirAll(dir, 0700); err != nil {
|
|
return "", err
|
|
}
|
|
return dir, nil
|
|
}
|
|
|
|
func TestFactoryNew(t *testing.T) {
|
|
root, rerr := newTestRoot()
|
|
if rerr != nil {
|
|
t.Fatal(rerr)
|
|
}
|
|
defer os.RemoveAll(root)
|
|
factory, err := New(root, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if factory == nil {
|
|
t.Fatal("factory should not be nil")
|
|
}
|
|
lfactory, ok := factory.(*linuxFactory)
|
|
if !ok {
|
|
t.Fatal("expected linux factory returned on linux based systems")
|
|
}
|
|
if lfactory.root != root {
|
|
t.Fatalf("expected factory root to be %q but received %q", root, lfactory.root)
|
|
}
|
|
}
|
|
|
|
func TestFactoryLoadNotExists(t *testing.T) {
|
|
root, rerr := newTestRoot()
|
|
if rerr != nil {
|
|
t.Fatal(rerr)
|
|
}
|
|
defer os.RemoveAll(root)
|
|
factory, err := New(root, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
_, err = factory.Load("nocontainer")
|
|
if err == nil {
|
|
t.Fatal("expected nil error loading non-existing container")
|
|
}
|
|
lerr, ok := err.(Error)
|
|
if !ok {
|
|
t.Fatal("expected libcontainer error type")
|
|
}
|
|
if lerr.Code() != ContainerNotExists {
|
|
t.Fatalf("expected error code %s but received %s", ContainerNotExists, lerr.Code())
|
|
}
|
|
}
|
|
|
|
func TestFactoryLoadContainer(t *testing.T) {
|
|
root, err := newTestRoot()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(root)
|
|
// setup default container config and state for mocking
|
|
var (
|
|
id = "1"
|
|
expectedConfig = &configs.Config{
|
|
Rootfs: "/mycontainer/root",
|
|
}
|
|
expectedState = &configs.State{
|
|
InitPid: 1024,
|
|
}
|
|
)
|
|
if err := os.Mkdir(filepath.Join(root, id), 0700); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := marshal(filepath.Join(root, id, configFilename), expectedConfig); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := marshal(filepath.Join(root, id, stateFilename), expectedState); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
factory, err := New(root, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
container, err := factory.Load(id)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if container.ID() != id {
|
|
t.Fatalf("expected container id %q but received %q", id, container.ID())
|
|
}
|
|
config := container.Config()
|
|
if config.Rootfs != expectedConfig.Rootfs {
|
|
t.Fatalf("expected rootfs %q but received %q", expectedConfig.Rootfs, config.Rootfs)
|
|
}
|
|
lcontainer, ok := container.(*linuxContainer)
|
|
if !ok {
|
|
t.Fatal("expected linux container on linux based systems")
|
|
}
|
|
if lcontainer.initProcess.pid() != expectedState.InitPid {
|
|
t.Fatalf("expected init pid %d but received %d", expectedState.InitPid, lcontainer.initProcess.pid())
|
|
}
|
|
}
|
|
|
|
func marshal(path string, v interface{}) error {
|
|
f, err := os.Create(path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
return json.NewEncoder(f).Encode(v)
|
|
}
|