test: update e2e to validate snapshot class

Signed-off-by: Santosh Pillai <sapillai@redhat.com>

e2e/validation.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"time"
 
+	snapapi "github.com/kubernetes-csi/external-snapshotter/client/v4/apis/volumesnapshot/v1"
 	. "github.com/onsi/gomega"
 	lvmv1alpha1 "github.com/red-hat-storage/lvm-operator/api/v1alpha1"
 	appsv1 "k8s.io/api/apps/v1"
@@ -16,6 +17,7 @@ const (
 	interval                  = time.Second * 30
 	lvmVolumeGroupName        = "vg1"
 	storageClassName          = "odf-lvm-vg1"
+	volumeSnapshotClassName   = "odf-lvm-vg1"
 	csiDriverName             = "topolvm.cybozu.com"
 	topolvmNodeDaemonSetName  = "topolvm-node"
 	topolvmCtrlDeploymentName = "topolvm-controller"
@@ -48,6 +50,19 @@ func ValidateStorageClass() error {
 	return nil
 }
 
+// function to validate volume snapshot class.
+func ValidateVolumeSnapshotClass() error {
+	vsc := snapapi.VolumeSnapshotClass{}
+
+	Eventually(func() bool {
+		err := DeployManagerObj.GetCrClient().Get(context.TODO(), types.NamespacedName{Name: volumeSnapshotClassName}, &vsc)
+		return err == nil
+	}, timeout, interval).Should(BeTrue())
+
+	debug("VolumeSnapshotClass found\n")
+	return nil
+}
+
 // function to validate CSI Driver.
 func ValidateCSIDriver() error {
 	cd := storagev1.CSIDriver{}
@@ -141,10 +156,18 @@ func ValidateResources() error {
 	if err != nil {
 		return err
 	}
+
 	// Validate Storage class
 	err = ValidateStorageClass()
 	if err != nil {
 		return err
 	}
+
+	// Validate volume snapshot class
+	err = ValidateVolumeSnapshotClass()
+	if err != nil {
+		return err
+	}
+
 	return nil
 }