cadvisor/container/docker/handler_test.go
Vishnu kannan dabec0a6b2 Fix fs stats handling for non-aufs storage drivers.
Signed-off-by: Vishnu kannan <vishnuk@google.com>
2016-02-05 16:32:07 -08:00

51 lines
1.6 KiB
Go

// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Handler for Docker containers.
package docker
import (
"io/ioutil"
"os"
"path"
"testing"
"github.com/stretchr/testify/assert"
)
func TestStorageDirDetectionWithOldVersions(t *testing.T) {
as := assert.New(t)
rwLayer, err := getRwLayerID("abcd", "/", aufsStorageDriver, []int{1, 9, 0})
as.Nil(err)
as.Equal(rwLayer, "abcd")
}
func TestStorageDirDetectionWithNewVersions(t *testing.T) {
as := assert.New(t)
testDir, err := ioutil.TempDir("", "")
as.Nil(err)
containerID := "abcd"
randomizedID := "xyz"
randomIDPath := path.Join(testDir, "image/aufs/layerdb/mounts/", containerID)
as.Nil(os.MkdirAll(randomIDPath, os.ModePerm))
as.Nil(ioutil.WriteFile(path.Join(randomIDPath, "mount-id"), []byte(randomizedID), os.ModePerm))
rwLayer, err := getRwLayerID(containerID, testDir, "aufs", []int{1, 10, 0})
as.Nil(err)
as.Equal(rwLayer, randomizedID)
rwLayer, err = getRwLayerID(containerID, testDir, "aufs", []int{1, 10, 0})
as.Nil(err)
as.Equal(rwLayer, randomizedID)
}