Files
external-snapshotter/pkg/controller/snapshot_finalizer_test.go
Xing Yang 603855fc1b Add Delete Volume Finalizer
This PR adds Finalizer on the snapshot source PVC to prevent it
from being deleted when a snapshot is being created from it.
2019-04-26 20:05:05 -07:00

68 lines
2.7 KiB
Go

/*
Copyright 2019 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package controller
import (
"testing"
"k8s.io/api/core/v1"
)
// Test single call to ensureSnapshotSourceFinalizer and checkandRemoveSnapshotSourceFinalizer,
// expecting PVCFinalizer to be added or removed
func TestPVCFinalizer(t *testing.T) {
tests := []controllerTest{
{
name: "1-1 - successful add PVC finalizer",
initialSnapshots: newSnapshotArray("snap6-2", classSilver, "", "snapuid6-2", "claim6-2", false, nil, nil, nil),
initialClaims: newClaimArray("claim6-2", "pvc-uid6-2", "1Gi", "volume6-2", v1.ClaimBound, &classEmpty),
test: testAddPVCFinalizer,
expectSuccess: true,
},
{
name: "1-2 - won't add PVC finalizer; already added",
initialSnapshots: newSnapshotArray("snap6-2", classSilver, "", "snapuid6-2", "claim6-2", false, nil, nil, nil),
initialClaims: newClaimArrayFinalizer("claim6-2", "pvc-uid6-2", "1Gi", "volume6-2", v1.ClaimBound, &classEmpty),
test: testAddPVCFinalizer,
expectSuccess: false,
},
{
name: "1-3 - successful remove PVC finalizer",
initialSnapshots: newSnapshotArray("snap6-2", classSilver, "", "snapuid6-2", "claim6-2", false, nil, nil, nil),
initialClaims: newClaimArrayFinalizer("claim6-2", "pvc-uid6-2", "1Gi", "volume6-2", v1.ClaimBound, &classEmpty),
test: testRemovePVCFinalizer,
expectSuccess: true,
},
{
name: "1-4 - won't remove PVC finalizer; already removed",
initialSnapshots: newSnapshotArray("snap6-2", classSilver, "", "snapuid6-2", "claim6-2", false, nil, nil, nil),
initialClaims: newClaimArray("claim6-2", "pvc-uid6-2", "1Gi", "volume6-2", v1.ClaimBound, &classEmpty),
test: testRemovePVCFinalizer,
expectSuccess: false,
},
{
name: "1-5 - won't remove PVC finalizer; PVC in-use",
initialSnapshots: newSnapshotArray("snap6-2", classSilver, "", "snapuid6-2", "claim6-2", false, nil, nil, nil),
initialClaims: newClaimArray("claim6-2", "pvc-uid6-2", "1Gi", "volume6-2", v1.ClaimBound, &classEmpty),
test: testRemovePVCFinalizer,
expectSuccess: false,
},
}
runPVCFinalizerTests(t, tests, snapshotClasses)
}