147 lines
4.0 KiB
Go
147 lines
4.0 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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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 csi
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import (
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"bytes"
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"encoding/json"
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"flag"
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"path/filepath"
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"testing"
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api "k8s.io/api/core/v1"
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storagev1 "k8s.io/api/storage/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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meta "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/klog"
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)
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// TestMain starting point for all tests.
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// Surfaces klog flags by default to enable
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// go test -v ./ --args <klog flags>
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func TestMain(m *testing.M) {
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klog.InitFlags(flag.CommandLine)
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os.Exit(m.Run())
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}
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func makeTestPVWithMountOptions(name string, sizeGig int, driverName, volID string, mountOptions []string) *api.PersistentVolume {
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pv := makeTestPV(name, sizeGig, driverName, volID)
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pv.Spec.MountOptions = mountOptions
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return pv
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}
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func makeTestPV(name string, sizeGig int, driverName, volID string) *api.PersistentVolume {
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return &api.PersistentVolume{
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ObjectMeta: meta.ObjectMeta{
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Name: name,
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},
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Spec: api.PersistentVolumeSpec{
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AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
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Capacity: api.ResourceList{
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api.ResourceName(api.ResourceStorage): resource.MustParse(
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fmt.Sprintf("%dGi", sizeGig),
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),
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},
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PersistentVolumeSource: api.PersistentVolumeSource{
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CSI: &api.CSIPersistentVolumeSource{
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Driver: driverName,
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VolumeHandle: volID,
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ReadOnly: false,
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},
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},
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},
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}
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}
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func makeTestVol(name string, driverName string) *api.Volume {
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ro := false
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return &api.Volume{
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Name: name,
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VolumeSource: api.VolumeSource{
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CSI: &api.CSIVolumeSource{
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Driver: driverName,
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ReadOnly: &ro,
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},
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},
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}
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}
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func getTestCSIDriver(name string, podInfoMount *bool, attachable *bool, volumeLifecycleModes []storagev1.VolumeLifecycleMode) *storagev1.CSIDriver {
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return &storagev1.CSIDriver{
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ObjectMeta: meta.ObjectMeta{
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Name: name,
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},
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Spec: storagev1.CSIDriverSpec{
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PodInfoOnMount: podInfoMount,
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AttachRequired: attachable,
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VolumeLifecycleModes: volumeLifecycleModes,
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},
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}
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}
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func TestSaveVolumeData(t *testing.T) {
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plug, tmpDir := newTestPlugin(t, nil)
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defer os.RemoveAll(tmpDir)
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testCases := []struct {
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name string
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data map[string]string
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shouldFail bool
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}{
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{name: "test with data ok", data: map[string]string{"key0": "val0", "_key1": "val1", "key2": "val2"}},
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{name: "test with data ok 2 ", data: map[string]string{"_key0_": "val0", "&key1": "val1", "key2": "val2"}},
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}
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for i, tc := range testCases {
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t.Logf("test case: %s", tc.name)
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specVolID := fmt.Sprintf("spec-volid-%d", i)
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mountDir := filepath.Join(getTargetPath(testPodUID, specVolID, plug.host), "/mount")
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if err := os.MkdirAll(mountDir, 0755); err != nil && !os.IsNotExist(err) {
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t.Errorf("failed to create dir [%s]: %v", mountDir, err)
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}
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err := saveVolumeData(path.Dir(mountDir), volDataFileName, tc.data)
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if !tc.shouldFail && err != nil {
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t.Errorf("unexpected failure: %v", err)
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}
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// did file get created
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dataDir := getTargetPath(testPodUID, specVolID, plug.host)
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file := filepath.Join(dataDir, volDataFileName)
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if _, err := os.Stat(file); err != nil {
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t.Errorf("failed to create data dir: %v", err)
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}
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// validate content
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data, err := ioutil.ReadFile(file)
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if !tc.shouldFail && err != nil {
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t.Errorf("failed to read data file: %v", err)
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}
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jsonData := new(bytes.Buffer)
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if err := json.NewEncoder(jsonData).Encode(tc.data); err != nil {
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t.Errorf("failed to encode json: %v", err)
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}
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if string(data) != jsonData.String() {
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t.Errorf("expecting encoded data %v, got %v", string(data), jsonData)
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}
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}
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}
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