/* Copyright 2017 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 v1beta1_test import ( "reflect" "testing" "github.com/google/go-cmp/cmp" storagev1beta1 "k8s.io/api/storage/v1beta1" "k8s.io/apimachinery/pkg/runtime" utilfeature "k8s.io/apiserver/pkg/util/feature" featuregatetesting "k8s.io/component-base/featuregate/testing" "k8s.io/kubernetes/pkg/api/legacyscheme" _ "k8s.io/kubernetes/pkg/apis/storage/install" "k8s.io/kubernetes/pkg/features" ) func roundTrip(t *testing.T, obj runtime.Object) runtime.Object { codec := legacyscheme.Codecs.LegacyCodec(storagev1beta1.SchemeGroupVersion) data, err := runtime.Encode(codec, obj) if err != nil { t.Errorf("%v\n %#v", err, obj) return nil } obj2, err := runtime.Decode(codec, data) if err != nil { t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj) return nil } obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object) err = legacyscheme.Scheme.Convert(obj2, obj3, nil) if err != nil { t.Errorf("%v\nSource: %#v", err, obj2) return nil } return obj3 } func TestSetDefaultVolumeBindingMode(t *testing.T) { class := &storagev1beta1.StorageClass{} // field should be defaulted defaultMode := storagev1beta1.VolumeBindingImmediate output := roundTrip(t, runtime.Object(class)).(*storagev1beta1.StorageClass) outMode := output.VolumeBindingMode if outMode == nil { t.Errorf("Expected VolumeBindingMode to be defaulted to: %+v, got: nil", defaultMode) } else if *outMode != defaultMode { t.Errorf("Expected VolumeBindingMode to be defaulted to: %+v, got: %+v", defaultMode, outMode) } } func TestSetDefaultAttachRequired(t *testing.T) { driver := &storagev1beta1.CSIDriver{} // field should be defaulted defaultAttach := true defaultPodInfo := false output := roundTrip(t, runtime.Object(driver)).(*storagev1beta1.CSIDriver) outAttach := output.Spec.AttachRequired if outAttach == nil { t.Errorf("Expected AttachRequired to be defaulted to: %+v, got: nil", defaultAttach) } else if *outAttach != defaultAttach { t.Errorf("Expected AttachRequired to be defaulted to: %+v, got: %+v", defaultAttach, outAttach) } outPodInfo := output.Spec.PodInfoOnMount if outPodInfo == nil { t.Errorf("Expected PodInfoOnMount to be defaulted to: %+v, got: nil", defaultPodInfo) } else if *outPodInfo != defaultPodInfo { t.Errorf("Expected PodInfoOnMount to be defaulted to: %+v, got: %+v", defaultPodInfo, outPodInfo) } } func TestSetDefaultStorageCapacityEnabled(t *testing.T) { driver := &storagev1beta1.CSIDriver{} // field should be defaulted defaultStorageCapacity := false output := roundTrip(t, runtime.Object(driver)).(*storagev1beta1.CSIDriver) outStorageCapacity := output.Spec.StorageCapacity if outStorageCapacity == nil { t.Errorf("Expected StorageCapacity to be defaulted to: %+v, got: nil", defaultStorageCapacity) } else if *outStorageCapacity != defaultStorageCapacity { t.Errorf("Expected StorageCapacity to be defaulted to: %+v, got: %+v", defaultStorageCapacity, outStorageCapacity) } } func TestSetDefaultVolumeLifecycleModesEnabled(t *testing.T) { driver := &storagev1beta1.CSIDriver{} // field should be defaulted defaultMode := storagev1beta1.VolumeLifecyclePersistent output := roundTrip(t, runtime.Object(driver)).(*storagev1beta1.CSIDriver) outModes := output.Spec.VolumeLifecycleModes if len(outModes) != 1 { t.Errorf("Expected VolumeLifecycleModes to be defaulted to: %+v, got: %+v", defaultMode, outModes) } else if outModes[0] != defaultMode { t.Errorf("Expected VolumeLifecycleModes to be defaulted to: %+v, got: %+v", defaultMode, outModes) } } func TestSetDefaultCSIDriver(t *testing.T) { enabled := true disabled := false tests := []struct { desc string field string wantSpec *storagev1beta1.CSIDriverSpec }{ { desc: "AttachRequired default to true", field: "AttachRequired", wantSpec: &storagev1beta1.CSIDriverSpec{AttachRequired: &enabled}, }, { desc: "PodInfoOnMount default to false", field: "PodInfoOnMount", wantSpec: &storagev1beta1.CSIDriverSpec{PodInfoOnMount: &disabled}, }, { desc: "RequiresRepublish default to false", field: "RequiresRepublish", wantSpec: &storagev1beta1.CSIDriverSpec{RequiresRepublish: &disabled}, }, } for _, test := range tests { t.Run(test.desc, func(t *testing.T) { gotSpec := roundTrip(t, runtime.Object(&storagev1beta1.CSIDriver{})).(*storagev1beta1.CSIDriver).Spec got := reflect.Indirect(reflect.ValueOf(gotSpec)).FieldByName(test.field).Interface() want := reflect.Indirect(reflect.ValueOf(test.wantSpec)).FieldByName(test.field).Interface() if diff := cmp.Diff(want, got); diff != "" { t.Errorf("CSIDriver defaults diff (-want +got):\n%s", diff) } }) } } func TestSetDefaultSELinuxMountReadWriteOncePodEnabled(t *testing.T) { defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.SELinuxMountReadWriteOncePod, true)() driver := &storagev1beta1.CSIDriver{} // field should be defaulted defaultSELinuxMount := false output := roundTrip(t, runtime.Object(driver)).(*storagev1beta1.CSIDriver) outSELinuxMount := output.Spec.SELinuxMount if outSELinuxMount == nil { t.Errorf("Expected SELinuxMount to be defaulted to: %+v, got: nil", defaultSELinuxMount) } else if *outSELinuxMount != defaultSELinuxMount { t.Errorf("Expected SELinuxMount to be defaulted to: %+v, got: %+v", defaultSELinuxMount, outSELinuxMount) } } func TestSetDefaultSELinuxMountReadWriteOncePodDisabled(t *testing.T) { defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.SELinuxMountReadWriteOncePod, false)() driver := &storagev1beta1.CSIDriver{} // field should not be defaulted output := roundTrip(t, runtime.Object(driver)).(*storagev1beta1.CSIDriver) outSELinuxMount := output.Spec.SELinuxMount if outSELinuxMount != nil { t.Errorf("Expected SELinuxMount remain nil, got: %+v", outSELinuxMount) } }