mirror of https://github.com/k3s-io/k3s
103 lines
3.2 KiB
Go
103 lines
3.2 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package persistentvolume
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import (
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"reflect"
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"testing"
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"k8s.io/apimachinery/pkg/util/diff"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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utilfeaturetesting "k8s.io/apiserver/pkg/util/feature/testing"
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api "k8s.io/kubernetes/pkg/apis/core"
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"k8s.io/kubernetes/pkg/features"
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)
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func TestDropDisabledFields(t *testing.T) {
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specWithMode := func(mode *api.PersistentVolumeMode) *api.PersistentVolumeSpec {
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return &api.PersistentVolumeSpec{VolumeMode: mode}
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}
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modeBlock := api.PersistentVolumeBlock
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tests := map[string]struct {
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oldSpec *api.PersistentVolumeSpec
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newSpec *api.PersistentVolumeSpec
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expectOldSpec *api.PersistentVolumeSpec
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expectNewSpec *api.PersistentVolumeSpec
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blockEnabled bool
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}{
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"disabled block clears new": {
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blockEnabled: false,
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newSpec: specWithMode(&modeBlock),
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expectNewSpec: specWithMode(nil),
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oldSpec: nil,
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expectOldSpec: nil,
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},
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"disabled block clears update when old pv did not use block": {
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blockEnabled: false,
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newSpec: specWithMode(&modeBlock),
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expectNewSpec: specWithMode(nil),
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oldSpec: specWithMode(nil),
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expectOldSpec: specWithMode(nil),
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},
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"disabled block does not clear new on update when old pv did use block": {
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blockEnabled: false,
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newSpec: specWithMode(&modeBlock),
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expectNewSpec: specWithMode(&modeBlock),
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oldSpec: specWithMode(&modeBlock),
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expectOldSpec: specWithMode(&modeBlock),
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},
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"enabled block preserves new": {
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blockEnabled: true,
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newSpec: specWithMode(&modeBlock),
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expectNewSpec: specWithMode(&modeBlock),
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oldSpec: nil,
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expectOldSpec: nil,
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},
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"enabled block preserves update when old pv did not use block": {
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blockEnabled: true,
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newSpec: specWithMode(&modeBlock),
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expectNewSpec: specWithMode(&modeBlock),
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oldSpec: specWithMode(nil),
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expectOldSpec: specWithMode(nil),
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},
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"enabled block preserves update when old pv did use block": {
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blockEnabled: true,
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newSpec: specWithMode(&modeBlock),
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expectNewSpec: specWithMode(&modeBlock),
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oldSpec: specWithMode(&modeBlock),
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expectOldSpec: specWithMode(&modeBlock),
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},
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}
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for name, tc := range tests {
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t.Run(name, func(t *testing.T) {
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defer utilfeaturetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.BlockVolume, tc.blockEnabled)()
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DropDisabledFields(tc.newSpec, tc.oldSpec)
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if !reflect.DeepEqual(tc.newSpec, tc.expectNewSpec) {
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t.Error(diff.ObjectReflectDiff(tc.newSpec, tc.expectNewSpec))
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}
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if !reflect.DeepEqual(tc.oldSpec, tc.expectOldSpec) {
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t.Error(diff.ObjectReflectDiff(tc.oldSpec, tc.expectOldSpec))
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}
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})
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}
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}
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