135 lines
3.2 KiB
Go
135 lines
3.2 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package volume
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import (
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"io/ioutil"
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"os"
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"path"
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"testing"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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)
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func TestCreateVolumeBuilders(t *testing.T) {
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tempDir, err := ioutil.TempDir("", "CreateVolumes")
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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defer os.RemoveAll(tempDir)
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createVolumesTests := []struct {
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volume api.Volume
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path string
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podID string
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kind string
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}{
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{
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api.Volume{
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Name: "host-dir",
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Source: &api.VolumeSource{
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HostDirectory: &api.HostDirectory{"/dir/path"},
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},
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},
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"/dir/path",
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"my-id",
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"host",
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},
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{
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api.Volume{
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Name: "empty-dir",
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Source: &api.VolumeSource{
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EmptyDirectory: &api.EmptyDirectory{},
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},
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},
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path.Join(tempDir, "/my-id/volumes/empty/empty-dir"),
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"my-id",
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"empty",
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},
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{api.Volume{}, "", ""},
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{
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api.Volume{
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Name: "empty-dir",
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Source: &api.VolumeSource{},
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},
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"",
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"",
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"",
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},
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}
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for _, createVolumesTest := range createVolumesTests {
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tt := createVolumesTest
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v, err := CreateVolumeBuilder(&tt.volume, tt.podID, tempDir)
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if tt.volume.Source == nil {
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if v != nil {
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t.Errorf("Expected volume to be nil")
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}
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continue
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}
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if tt.volume.Source.HostDirectory == nil && tt.volume.Source.EmptyDirectory == nil {
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if err != ErrUnsupportedVolumeType {
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t.Errorf("Unexpected error: %v", err)
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}
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continue
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}
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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err = v.SetUp()
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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path := v.GetPath()
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if path != tt.path {
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t.Errorf("Unexpected bind path. Expected %v, got %v", tt.path, path)
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}
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v, err = CreateVolumeCleaner(tt.kind)
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if tt.kind == "" {
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if err != ErrUnsupportedVolumeType {
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t.Errorf("Unexpected error: %v", err)
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}
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}
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err = v.TearDown()
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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}
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}
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func TestEmptySetUpAndTearDown(t *testing.T) {
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volumes := []api.Volume{
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{
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Name: "empty-dir",
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Source: &api.VolumeSource{
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EmptyDirectory: &api.EmptyDirectory{},
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},
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},
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}
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expectedPath := "/tmp/kubelet/fakeID/volumes/empty/empty-dir"
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for _, volume := range volumes {
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volumeBuilder, _ := CreateVolumeBuilder(&volume, "fakeID", "/tmp/kubelet")
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volumeBuilder.SetUp()
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if _, err := os.Stat(expectedPath); os.IsNotExist(err) {
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t.Errorf("Mount directory %v does not exist after SetUp", expectedPath)
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}
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volumeCleaner, _ := CreateVolumeCleaner("empty", expectedPath)
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volumeCleaner.TearDown()
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if _, err := os.Stat(expectedPath); !os.IsNotExist(err) {
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t.Errorf("Mount directory %v still exists after TearDown", expectedPath)
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}
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}
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os.RemoveAll("/tmp/kubelet")
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}
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