return []api.PersistentVolumeAccessMode{
		api.ReadWriteOnce,
		api.ReadOnlyMany,
	}
}

// NewMounter is part of the volume.VolumePlugin interface.
func (plugin *flexVolumePlugin) NewMounter(spec *volume.Spec, pod *api.Pod, _ volume.VolumeOptions) (volume.Mounter, error) {
	return plugin.newMounterInternal(spec, pod, plugin.host.GetMounter(plugin.GetPluginName()), plugin.runner)

import (
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/minio/mux"
)

// Test cross domain xml handler.
func TestCrossXMLHandler(t *testing.T) {
	// Server initialization.
	router := mux.NewRouter().SkipClean(true).UseEncodedPath()
	handler := setCrossDomainPolicyMiddleware(router)
	srv := httptest.NewServer(handler)

	resp, err := http.Get(srv.URL + crossDomainXMLEntity)
	if err != nil {
		t.Fatal(err)
	}

		pv := makeTestPV(tc.specVolumeName, 10, testDriver, testVol)
		spec := volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly)
		mounter, err := plug.NewMounter(
			spec,
			&corev1.Pod{ObjectMeta: meta.ObjectMeta{UID: testPodUID, Namespace: testns}},
			volume.VolumeOptions{},
		)
		if err != nil {
			t.Fatalf("Failed to make a new Mounter: %v", err)
		}

		for i, n := 0, mset.Len(); i < n; i++ {
			result = append(result, mset.At(i))
		}
	} else {
		// T is some other concrete type.
		// Report methods of T and *T, preferring those of T.
		pmset := msets.MethodSet(types.NewPointer(T))
		for i, n := 0, pmset.Len(); i < n; i++ {
			meth := pmset.At(i)
			if m := mset.Lookup(meth.Obj().Pkg(), meth.Obj().Name()); m != nil {
				meth = m
			}
			result = append(result, meth)
		}

	}

func (plugin *testPlugins) SupportsMountOption() bool {
	return false
}

func (plugin *testPlugins) SupportsSELinuxContextMount(spec *Spec) (bool, error) {
	return false, nil
}

func (plugin *testPlugins) NewMounter(spec *Spec, podRef *v1.Pod, opts VolumeOptions) (Mounter, error) {
	return nil, nil
}

func (plugin *testPlugins) NewUnmounter(name string, podUID types.UID) (Unmounter, error) {
	return nil, nil
}

	// instance whose underlying type is a named type.
	msets, ok := cache.named[named]
	if !ok {
		msets.value = types.NewMethodSet(named)
		msets.pointer = types.NewMethodSet(types.NewPointer(named))
		cache.named[named] = msets
	}
	return msets

				volume.podName,
				pod.UID,
				newMapperErr)
		}
	} else {
		var err error
		volumeMounter, err = plugin.NewMounter(
			volumeSpec,
			pod,
			volumepkg.VolumeOptions{})
		if err != nil {
			return nil, fmt.Errorf(
				"reconstructVolume.NewMounter failed for volume %q (spec.Name: %q) pod %q (UID: %q) with: %v",
				uniqueVolumeName,
				volumeSpec.Name(),
				volume.podName,
				pod.UID,

		Name:         "vol1",
		VolumeSource: v1.VolumeSource{HostPath: &v1.HostPathVolumeSource{Path: "/no/backsteps/allowed/.."}},
	}
	pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
	mounter, err := plug.NewMounter(volume.NewSpecFromVolume(spec), pod, volume.VolumeOptions{})
	if err != nil {
		t.Fatal(err)
	}

	err = mounter.SetUp(volume.MounterArgs{})

	if err != nil {
		t.Fatal("Can't find the plugin by name")
	}

	pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{Namespace: testNamespace, UID: testPodUID}}
	mounter, err := plugin.NewMounter(volume.NewSpecFromVolume(volumeSpec), pod, volume.VolumeOptions{})
	if err != nil {
		t.Errorf("Failed to make a new Mounter: %v", err)
	}
	if mounter == nil {
		t.Errorf("Got a nil Mounter")
	}

		t.Run(tc.name, func(t *testing.T) {
			featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.SELinuxMountReadWriteOncePod, tc.seLinuxMountEnabled)

			mounter, err := plug.NewMounter(
				tc.originSpec,
				&api.Pod{ObjectMeta: meta.ObjectMeta{UID: tc.podUID, Namespace: testns}},
				volume.VolumeOptions{},
			)
			if err != nil {
				t.Fatal(err)
			}
			if mounter == nil {