kubernetes deleted_kinds_test 源码
kubernetes deleted_kinds_test 代码
文件路径：/staging/src/k8s.io/apiserver/pkg/server/deleted_kinds_test.go
/*
Copyright 2020 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 server
import (
"reflect"
"strings"
"testing"
"github.com/davecgh/go-spew/spew"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/version"
"k8s.io/apiserver/pkg/registry/rest"
)
func Test_newResourceExpirationEvaluator(t *testing.T) {
tests := []struct {
name string
currentVersion version.Info
expected resourceExpirationEvaluator
expectedErr string
}{
{
name: "beta",
currentVersion: version.Info{
Major: "1",
Minor: "20+",
GitVersion: "v1.20.0-beta.0.62+a5d22854a2ac21",
},
expected: resourceExpirationEvaluator{currentMajor: 1, currentMinor: 20},
},
{
name: "alpha",
currentVersion: version.Info{
Major: "1",
Minor: "20+",
GitVersion: "v1.20.0-alpha.0.62+a5d22854a2ac21",
},
expected: resourceExpirationEvaluator{currentMajor: 1, currentMinor: 20, isAlpha: true},
},
{
name: "maintenance",
currentVersion: version.Info{
Major: "1",
Minor: "20+",
GitVersion: "v1.20.1",
},
expected: resourceExpirationEvaluator{currentMajor: 1, currentMinor: 20},
},
{
name: "bad",
currentVersion: version.Info{
Major: "1",
Minor: "20something+",
GitVersion: "v1.20.1",
},
expectedErr: `strconv.ParseInt: parsing "20something": invalid syntax`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
actual, actualErr := NewResourceExpirationEvaluator(tt.currentVersion)
checkErr(t, actualErr, tt.expectedErr)
if actualErr != nil {
return
}
actual.(*resourceExpirationEvaluator).strictRemovedHandlingInAlpha = false
if !reflect.DeepEqual(tt.expected, *actual.(*resourceExpirationEvaluator)) {
t.Fatal(actual)
}
})
}
}
func storageRemovedIn(major, minor int) removedInStorage {
return removedInStorage{major: major, minor: minor}
}
func storageNeverRemoved() removedInStorage {
return removedInStorage{neverRemoved: true}
}
type removedInStorage struct {
major, minor int
neverRemoved bool
}
func (r removedInStorage) New() runtime.Object {
if r.neverRemoved {
return neverRemovedObj{}
}
return removedInObj{major: r.major, minor: r.minor}
}
func (r removedInStorage) Destroy() {
}
type neverRemovedObj struct {
}
func (r neverRemovedObj) GetObjectKind() schema.ObjectKind {
panic("don't do this")
}
func (r neverRemovedObj) DeepCopyObject() runtime.Object {
panic("don't do this either")
}
type removedInObj struct {
major, minor int
}
func (r removedInObj) GetObjectKind() schema.ObjectKind {
panic("don't do this")
}
func (r removedInObj) DeepCopyObject() runtime.Object {
panic("don't do this either")
}
func (r removedInObj) APILifecycleRemoved() (major, minor int) {
return r.major, r.minor
}
func Test_resourceExpirationEvaluator_shouldServe(t *testing.T) {
tests := []struct {
name string
resourceExpirationEvaluator resourceExpirationEvaluator
restStorage rest.Storage
expected bool
}{
{
name: "removed-in-curr",
resourceExpirationEvaluator: resourceExpirationEvaluator{
currentMajor: 1,
currentMinor: 20,
},
restStorage: storageRemovedIn(1, 20),
expected: false,
},
{
name: "removed-in-curr-but-deferred",
resourceExpirationEvaluator: resourceExpirationEvaluator{
currentMajor: 1,
currentMinor: 20,
serveRemovedAPIsOneMoreRelease: true,
},
restStorage: storageRemovedIn(1, 20),
expected: true,
},
{
name: "removed-in-curr-but-alpha",
resourceExpirationEvaluator: resourceExpirationEvaluator{
currentMajor: 1,
currentMinor: 20,
isAlpha: true,
},
restStorage: storageRemovedIn(1, 20),
expected: true,
},
{
name: "removed-in-curr-but-alpha-but-strict",
resourceExpirationEvaluator: resourceExpirationEvaluator{
currentMajor: 1,
currentMinor: 20,
isAlpha: true,
strictRemovedHandlingInAlpha: true,
},
restStorage: storageRemovedIn(1, 20),
expected: false,
},
{
name: "removed-in-prev-deferral-does-not-help",
resourceExpirationEvaluator: resourceExpirationEvaluator{
currentMajor: 1,
currentMinor: 21,
serveRemovedAPIsOneMoreRelease: true,
},
restStorage: storageRemovedIn(1, 20),
expected: false,
},
{
name: "removed-in-prev-major",
resourceExpirationEvaluator: resourceExpirationEvaluator{
currentMajor: 2,
currentMinor: 20,
serveRemovedAPIsOneMoreRelease: true,
},
restStorage: storageRemovedIn(1, 20),
expected: false,
},
{
name: "removed-in-future",
resourceExpirationEvaluator: resourceExpirationEvaluator{
currentMajor: 1,
currentMinor: 20,
},
restStorage: storageRemovedIn(1, 21),
expected: true,
},
{
name: "never-removed",
resourceExpirationEvaluator: resourceExpirationEvaluator{
currentMajor: 1,
currentMinor: 20,
},
restStorage: storageNeverRemoved(),
expected: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
gv := schema.GroupVersion{Group: "mygroup", Version: "myversion"}
convertor := &dummyConvertor{}
if actual := tt.resourceExpirationEvaluator.shouldServe(gv, convertor, tt.restStorage); actual != tt.expected {
t.Errorf("shouldServe() = %v, want %v", actual, tt.expected)
}
if !reflect.DeepEqual(convertor.called, gv) {
t.Errorf("expected converter to be called with %#v, got %#v", gv, convertor.called)
}
})
}
}
type dummyConvertor struct {
called runtime.GroupVersioner
}
func (d *dummyConvertor) ConvertToVersion(in runtime.Object, gv runtime.GroupVersioner) (runtime.Object, error) {
d.called = gv
return in, nil
}
func checkErr(t *testing.T, actual error, expected string) {
t.Helper()
switch {
case len(expected) == 0 && actual == nil:
case len(expected) == 0 && actual != nil:
t.Fatal(actual)
case len(expected) != 0 && actual == nil:
t.Fatalf("missing %q, <nil>", expected)
case len(expected) != 0 && actual != nil && !strings.Contains(actual.Error(), expected):
t.Fatalf("missing %q, %v", expected, actual)
}
}
func Test_removeDeletedKinds(t *testing.T) {
tests := []struct {
name string
resourceExpirationEvaluator resourceExpirationEvaluator
versionedResourcesStorageMap map[string]map[string]rest.Storage
expectedStorage map[string]map[string]rest.Storage
}{
{
name: "remove-one-of-two",
resourceExpirationEvaluator: resourceExpirationEvaluator{
currentMajor: 1,
currentMinor: 20,
},
versionedResourcesStorageMap: map[string]map[string]rest.Storage{
"v1": {
"twenty": storageRemovedIn(1, 20),
"twentyone": storageRemovedIn(1, 21),
},
},
expectedStorage: map[string]map[string]rest.Storage{
"v1": {
"twentyone": storageRemovedIn(1, 21),
},
},
},
{
name: "remove-nested-not-expired",
resourceExpirationEvaluator: resourceExpirationEvaluator{
currentMajor: 1,
currentMinor: 20,
},
versionedResourcesStorageMap: map[string]map[string]rest.Storage{
"v1": {
"twenty": storageRemovedIn(1, 20),
"twenty/scale": storageRemovedIn(1, 21),
"twentyone": storageRemovedIn(1, 21),
},
},
expectedStorage: map[string]map[string]rest.Storage{
"v1": {
"twentyone": storageRemovedIn(1, 21),
},
},
},
{
name: "remove-all-of-version",
resourceExpirationEvaluator: resourceExpirationEvaluator{
currentMajor: 1,
currentMinor: 20,
},
versionedResourcesStorageMap: map[string]map[string]rest.Storage{
"v1": {
"twenty": storageRemovedIn(1, 20),
},
"v2": {
"twenty": storageRemovedIn(1, 20),
"twentyone": storageRemovedIn(1, 21),
},
},
expectedStorage: map[string]map[string]rest.Storage{
"v2": {
"twentyone": storageRemovedIn(1, 21),
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
convertor := &dummyConvertor{}
tt.resourceExpirationEvaluator.RemoveDeletedKinds("group.name", convertor, tt.versionedResourcesStorageMap)
if !reflect.DeepEqual(tt.expectedStorage, tt.versionedResourcesStorageMap) {
t.Fatal(spew.Sdump(tt.versionedResourcesStorageMap))
}
})
}
}
func Test_shouldRemoveResource(t *testing.T) {
tests := []struct {
name string
resourcesToRemove sets.String
resourceName string
want bool
}{
{
name: "prefix-matches",
resourcesToRemove: sets.NewString("foo"),
resourceName: "foo/scale",
want: true,
},
{
name: "exact-matches",
resourcesToRemove: sets.NewString("foo"),
resourceName: "foo",
want: true,
},
{
name: "no-match",
resourcesToRemove: sets.NewString("foo"),
resourceName: "bar",
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if actual := shouldRemoveResourceAndSubresources(tt.resourcesToRemove, tt.resourceName); actual != tt.want {
t.Errorf("shouldRemoveResourceAndSubresources() = %v, want %v", actual, tt.want)
}
})
}
}
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