},
				Spec: v1.PersistentVolumeSpec{
					NodeAffinity: &v1.VolumeNodeAffinity{},
				},
			},
		},
		{
			name: "PV node affinity required zero selector terms",
			pv: &v1.PersistentVolume{
				ObjectMeta: metav1.ObjectMeta{
					Name: "foo",
				},
				Spec: v1.PersistentVolumeSpec{
					NodeAffinity: &v1.VolumeNodeAffinity{
						Required: &v1.NodeSelector{

		t.Errorf("Expected %s but got volume %s instead", gce.Name, volume.Name)
	}
}

// createVolumeNodeAffinity returns a VolumeNodeAffinity for given key and value.
func createNodeAffinity(key string, value string) *v1.VolumeNodeAffinity {
	return &v1.VolumeNodeAffinity{
		Required: &v1.NodeSelector{
			NodeSelectorTerms: []v1.NodeSelectorTerm{
				{
					MatchExpressions: []v1.NodeSelectorRequirement{
						{

// and injects into the pv.
func (p *PersistentVolumeWrapper) NodeAffinityIn(key string, vals []string) *PersistentVolumeWrapper {
	if p.Spec.NodeAffinity == nil {
		p.Spec.NodeAffinity = &v1.VolumeNodeAffinity{}
	}
	if p.Spec.NodeAffinity.Required == nil {
		p.Spec.NodeAffinity.Required = &v1.NodeSelector{}
	}
	nodeSelector := MakeNodeSelector().In(key, vals).Obj()