Fix linter error. Add test case for tablespaces and snapshots both being enabled.

Author: dsessler7

internal/controller/postgrescluster/snapshots.go

@@ -602,7 +602,7 @@ func (r *Reconciler) deleteSnapshots(ctx context.Context,
 // cluster has tablespace volumes in place.
 func clusterUsingTablespaces(ctx context.Context, postgrescluster *v1beta1.PostgresCluster) bool {
 	for _, instanceSet := range postgrescluster.Spec.InstanceSets {
-		if instanceSet.TablespaceVolumes != nil && len(instanceSet.TablespaceVolumes) > 0 {
+		if len(instanceSet.TablespaceVolumes) > 0 {
 			return feature.Enabled(ctx, feature.TablespaceVolumes)
 		}
 	}

internal/controller/postgrescluster/snapshots_test.go

@@ -38,10 +38,12 @@ func TestReconcileVolumeSnapshots(t *testing.T) {
 	discoveryClient, err := discovery.NewDiscoveryClientForConfig(cfg)
 	assert.NilError(t, err)
 
+	recorder := record.NewFakeRecorder(100)
 	r := &Reconciler{
 		Client:          cc,
 		Owner:           client.FieldOwner(t.Name()),
 		DiscoveryClient: discoveryClient,
+		Recorder:        recorder,
 	}
 	ns := setupNamespace(t, cc)
 
@@ -93,6 +95,43 @@ func TestReconcileVolumeSnapshots(t *testing.T) {
 		assert.Equal(t, len(snapshots.Items), 0)
 	})
 
+	t.Run("SnapshotsEnabledTablespacesEnabled", func(t *testing.T) {
+		// Enable snapshots feature gate
+		gate := feature.NewGate()
+		assert.NilError(t, gate.SetFromMap(map[string]bool{
+			feature.VolumeSnapshots:   true,
+			feature.TablespaceVolumes: true,
+		}))
+		ctx := feature.NewContext(ctx, gate)
+
+		// Create a cluster with snapshots and tablespaces enabled
+		volumeSnapshotClassName := "my-snapshotclass"
+		cluster := testCluster()
+		cluster.Namespace = ns.Name
+		cluster.Spec.Backups.Snapshots = &v1beta1.VolumeSnapshots{
+			VolumeSnapshotClassName: volumeSnapshotClassName,
+		}
+		cluster.Spec.InstanceSets[0].TablespaceVolumes = []v1beta1.TablespaceVolume{{
+			Name: "volume-1",
+		}}
+
+		// Create pvc for reconcile
+		pvc := &corev1.PersistentVolumeClaim{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "dedicated-snapshot-volume",
+			},
+		}
+
+		// Reconcile
+		err = r.reconcileVolumeSnapshots(ctx, cluster, pvc)
+		assert.NilError(t, err)
+
+		// Assert warning event was created
+		event, ok := <-recorder.Events
+		assert.Equal(t, ok, true)
+		assert.Assert(t, cmp.Contains(event, "IncompatibleFeatures"))
+	})
+
 	t.Run("SnapshotsEnabledNoPvcAnnotation", func(t *testing.T) {
 		// Enable snapshots feature gate
 		gate := feature.NewGate()