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add tests for pv controller

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This commit is contained in:
Roman Bednar 2022-07-29 08:37:38 +02:00
parent a0a5aa3680
commit 2f533cd572
1 changed files with 132 additions and 0 deletions
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132
pkg/controller/volume/persistentvolume/pv_controller_test.go
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@ -466,6 +466,20 @@ func makeStorageClass(scName string, mode *storagev1.VolumeBindingMode) *storage
ObjectMeta: metav1.ObjectMeta{
Name: scName,
},
Provisioner: "kubernetes.io/no-provisioner",
VolumeBindingMode: mode,
}
}
func makeDefaultStorageClass(scName string, mode *storagev1.VolumeBindingMode) *storagev1.StorageClass {
return &storagev1.StorageClass{
ObjectMeta: metav1.ObjectMeta{
Name: scName,
Annotations: map[string]string{
util.IsDefaultStorageClassAnnotation: "true",
},
},
Provisioner: "kubernetes.io/no-provisioner",
VolumeBindingMode: mode,
}
}
@ -776,3 +790,121 @@ func TestModifyDeletionFinalizers(t *testing.T) {
})
}
}
func TestRetroactiveStorageClassAssignment(t *testing.T) {
// Enable RetroactiveDefaultStorageClass feature gate.
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.RetroactiveDefaultStorageClass, true)()
tests := []struct {
storageClasses []*storagev1.StorageClass
tests []controllerTest
}{
// [Unit test set 15] - retroactive storage class assignment tests
{
storageClasses: []*storagev1.StorageClass{},
tests: []controllerTest{
{
name: "15-1 - pvc storage class is not assigned retroactively if there are no default storage classes",
initialVolumes: novolumes,
expectedVolumes: novolumes,
initialClaims: newClaimArray("claim15-1", "uid15-1", "1Gi", "", v1.ClaimPending, nil),
expectedClaims: newClaimArray("claim15-1", "uid15-1", "1Gi", "", v1.ClaimPending, nil),
expectedEvents: noevents,
errors: noerrors,
test: testSyncClaim,
},
},
},
{
storageClasses: []*storagev1.StorageClass{
makeDefaultStorageClass(classGold, &modeImmediate),
makeDefaultStorageClass(classSilver, &modeImmediate)},
tests: []controllerTest{
{
name: "15-2 - pvc storage class is not assigned retroactively if there are multiple default storage classes",
initialVolumes: novolumes,
expectedVolumes: novolumes,
initialClaims: newClaimArray("claim15-2", "uid15-2", "1Gi", "", v1.ClaimPending, nil),
expectedClaims: newClaimArray("claim15-2", "uid15-2", "1Gi", "", v1.ClaimPending, nil),
expectedEvents: noevents,
errors: noerrors,
test: testSyncClaim,
},
},
},
{
storageClasses: []*storagev1.StorageClass{
makeDefaultStorageClass(classGold, &modeImmediate),
makeStorageClass(classSilver, &modeImmediate),
},
tests: []controllerTest{
{
name: "15-3 - pvc storage class is not assigned retroactively if claim is already bound",
initialVolumes: novolumes,
expectedVolumes: novolumes,
initialClaims: newClaimArray("claim15-3", "uid15-3", "1Gi", "test", v1.ClaimBound, &classCopper, volume.AnnBoundByController, volume.AnnBindCompleted),
expectedClaims: newClaimArray("claim15-3", "uid15-3", "1Gi", "test", v1.ClaimLost, &classCopper, volume.AnnBoundByController, volume.AnnBindCompleted),
expectedEvents: noevents,
errors: noerrors,
test: testSyncClaim,
},
},
},
{
storageClasses: []*storagev1.StorageClass{
makeDefaultStorageClass(classGold, &modeImmediate),
makeStorageClass(classSilver, &modeImmediate),
},
tests: []controllerTest{
{
name: "15-4 - pvc storage class is not assigned retroactively if claim is already bound but annotations are missing",
initialVolumes: novolumes,
expectedVolumes: novolumes,
initialClaims: newClaimArray("claim15-4", "uid15-4", "1Gi", "test", v1.ClaimBound, &classCopper),
expectedClaims: newClaimArray("claim15-4", "uid15-4", "1Gi", "test", v1.ClaimPending, &classCopper),
expectedEvents: noevents,
errors: noerrors,
test: testSyncClaim,
},
},
},
{
storageClasses: []*storagev1.StorageClass{
makeDefaultStorageClass(classGold, &modeImmediate),
makeStorageClass(classSilver, &modeImmediate),
},
tests: []controllerTest{
{
name: "15-5 - pvc storage class is assigned retroactively if there is a default",
initialVolumes: novolumes,
expectedVolumes: novolumes,
initialClaims: newClaimArray("claim15-5", "uid15-5", "1Gi", "", v1.ClaimPending, nil),
expectedClaims: newClaimArray("claim15-5", "uid15-5", "1Gi", "", v1.ClaimPending, &classGold),
expectedEvents: noevents,
errors: noerrors,
test: testSyncClaim,
},
},
},
{
storageClasses: []*storagev1.StorageClass{
makeDefaultStorageClass(classGold, &modeImmediate),
makeStorageClass(classCopper, &modeImmediate),
},
tests: []controllerTest{
{
name: "15-6 - pvc storage class is not changed if claim is not bound but already has a storage class",
initialVolumes: novolumes,
expectedVolumes: novolumes,
initialClaims: newClaimArray("claim15-6", "uid15-6", "1Gi", "", v1.ClaimPending, &classCopper),
expectedClaims: newClaimArray("claim15-6", "uid15-6", "1Gi", "", v1.ClaimPending, &classCopper),
expectedEvents: noevents,
errors: noerrors,
test: testSyncClaim,
},
},
},
}
for _, test := range tests {
runSyncTests(t, test.tests, test.storageClasses, nil)
}
}