mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-03 19:58:17 +00:00
8fdd321dc1
Adds `Allocatable` to `NodeStatus`, as described in [17201](https://github.com/kubernetes/kubernetes/pull/17201)
645 lines
18 KiB
Go
645 lines
18 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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 v1_test
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import (
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"reflect"
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"testing"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/resource"
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versioned "k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/pkg/runtime"
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"k8s.io/kubernetes/pkg/util/intstr"
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)
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func roundTrip(t *testing.T, obj runtime.Object) runtime.Object {
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data, err := versioned.Codec.Encode(obj)
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if err != nil {
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t.Errorf("%v\n %#v", err, obj)
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return nil
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}
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obj2, err := api.Codec.Decode(data)
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if err != nil {
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t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
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return nil
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}
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obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)
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err = api.Scheme.Convert(obj2, obj3)
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if err != nil {
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t.Errorf("%v\nSource: %#v", err, obj2)
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return nil
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}
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return obj3
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}
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func TestSetDefaultReplicationController(t *testing.T) {
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tests := []struct {
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rc *versioned.ReplicationController
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expectLabels bool
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expectSelector bool
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}{
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{
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rc: &versioned.ReplicationController{
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Spec: versioned.ReplicationControllerSpec{
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Template: &versioned.PodTemplateSpec{
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ObjectMeta: versioned.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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},
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},
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},
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expectLabels: true,
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expectSelector: true,
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},
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{
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rc: &versioned.ReplicationController{
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ObjectMeta: versioned.ObjectMeta{
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Labels: map[string]string{
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"bar": "foo",
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},
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},
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Spec: versioned.ReplicationControllerSpec{
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Template: &versioned.PodTemplateSpec{
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ObjectMeta: versioned.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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},
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},
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},
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expectLabels: false,
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expectSelector: true,
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},
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{
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rc: &versioned.ReplicationController{
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ObjectMeta: versioned.ObjectMeta{
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Labels: map[string]string{
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"bar": "foo",
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},
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},
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Spec: versioned.ReplicationControllerSpec{
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Selector: map[string]string{
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"some": "other",
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},
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Template: &versioned.PodTemplateSpec{
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ObjectMeta: versioned.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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},
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},
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},
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expectLabels: false,
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expectSelector: false,
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},
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{
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rc: &versioned.ReplicationController{
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Spec: versioned.ReplicationControllerSpec{
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Selector: map[string]string{
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"some": "other",
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},
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Template: &versioned.PodTemplateSpec{
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ObjectMeta: versioned.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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},
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},
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},
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expectLabels: true,
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expectSelector: false,
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},
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}
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for _, test := range tests {
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rc := test.rc
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obj2 := roundTrip(t, runtime.Object(rc))
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rc2, ok := obj2.(*versioned.ReplicationController)
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if !ok {
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t.Errorf("unexpected object: %v", rc2)
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t.FailNow()
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}
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if test.expectSelector != reflect.DeepEqual(rc2.Spec.Selector, rc2.Spec.Template.Labels) {
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if test.expectSelector {
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t.Errorf("expected: %v, got: %v", rc2.Spec.Template.Labels, rc2.Spec.Selector)
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} else {
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t.Errorf("unexpected equality: %v", rc.Spec.Selector)
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}
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}
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if test.expectLabels != reflect.DeepEqual(rc2.Labels, rc2.Spec.Template.Labels) {
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if test.expectLabels {
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t.Errorf("expected: %v, got: %v", rc2.Spec.Template.Labels, rc2.Labels)
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} else {
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t.Errorf("unexpected equality: %v", rc.Labels)
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}
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}
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}
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}
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func newInt(val int32) *int32 {
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p := new(int32)
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*p = val
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return p
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}
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func TestSetDefaultReplicationControllerReplicas(t *testing.T) {
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tests := []struct {
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rc versioned.ReplicationController
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expectReplicas int32
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}{
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{
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rc: versioned.ReplicationController{
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Spec: versioned.ReplicationControllerSpec{
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Template: &versioned.PodTemplateSpec{
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ObjectMeta: versioned.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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},
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},
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},
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expectReplicas: 1,
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},
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{
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rc: versioned.ReplicationController{
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Spec: versioned.ReplicationControllerSpec{
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Replicas: newInt(0),
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Template: &versioned.PodTemplateSpec{
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ObjectMeta: versioned.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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},
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},
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},
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expectReplicas: 0,
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},
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{
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rc: versioned.ReplicationController{
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Spec: versioned.ReplicationControllerSpec{
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Replicas: newInt(3),
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Template: &versioned.PodTemplateSpec{
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ObjectMeta: versioned.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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},
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},
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},
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expectReplicas: 3,
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},
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}
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for _, test := range tests {
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rc := &test.rc
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obj2 := roundTrip(t, runtime.Object(rc))
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rc2, ok := obj2.(*versioned.ReplicationController)
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if !ok {
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t.Errorf("unexpected object: %v", rc2)
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t.FailNow()
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}
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if rc2.Spec.Replicas == nil {
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t.Errorf("unexpected nil Replicas")
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} else if test.expectReplicas != *rc2.Spec.Replicas {
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t.Errorf("expected: %d replicas, got: %d", test.expectReplicas, *rc2.Spec.Replicas)
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}
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}
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}
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func TestSetDefaultService(t *testing.T) {
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svc := &versioned.Service{}
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obj2 := roundTrip(t, runtime.Object(svc))
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svc2 := obj2.(*versioned.Service)
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if svc2.Spec.SessionAffinity != versioned.ServiceAffinityNone {
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t.Errorf("Expected default session affinity type:%s, got: %s", versioned.ServiceAffinityNone, svc2.Spec.SessionAffinity)
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}
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if svc2.Spec.Type != versioned.ServiceTypeClusterIP {
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t.Errorf("Expected default type:%s, got: %s", versioned.ServiceTypeClusterIP, svc2.Spec.Type)
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}
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}
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func TestSetDefaultSecret(t *testing.T) {
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s := &versioned.Secret{}
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obj2 := roundTrip(t, runtime.Object(s))
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s2 := obj2.(*versioned.Secret)
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if s2.Type != versioned.SecretTypeOpaque {
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t.Errorf("Expected secret type %v, got %v", versioned.SecretTypeOpaque, s2.Type)
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}
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}
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func TestSetDefaultPersistentVolume(t *testing.T) {
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pv := &versioned.PersistentVolume{}
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obj2 := roundTrip(t, runtime.Object(pv))
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pv2 := obj2.(*versioned.PersistentVolume)
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if pv2.Status.Phase != versioned.VolumePending {
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t.Errorf("Expected volume phase %v, got %v", versioned.VolumePending, pv2.Status.Phase)
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}
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if pv2.Spec.PersistentVolumeReclaimPolicy != versioned.PersistentVolumeReclaimRetain {
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t.Errorf("Expected pv reclaim policy %v, got %v", versioned.PersistentVolumeReclaimRetain, pv2.Spec.PersistentVolumeReclaimPolicy)
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}
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}
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func TestSetDefaultPersistentVolumeClaim(t *testing.T) {
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pvc := &versioned.PersistentVolumeClaim{}
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obj2 := roundTrip(t, runtime.Object(pvc))
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pvc2 := obj2.(*versioned.PersistentVolumeClaim)
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if pvc2.Status.Phase != versioned.ClaimPending {
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t.Errorf("Expected claim phase %v, got %v", versioned.ClaimPending, pvc2.Status.Phase)
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}
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}
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func TestSetDefaulEndpointsProtocol(t *testing.T) {
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in := &versioned.Endpoints{Subsets: []versioned.EndpointSubset{
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{Ports: []versioned.EndpointPort{{}, {Protocol: "UDP"}, {}}},
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}}
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obj := roundTrip(t, runtime.Object(in))
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out := obj.(*versioned.Endpoints)
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for i := range out.Subsets {
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for j := range out.Subsets[i].Ports {
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if in.Subsets[i].Ports[j].Protocol == "" {
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if out.Subsets[i].Ports[j].Protocol != versioned.ProtocolTCP {
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t.Errorf("Expected protocol %s, got %s", versioned.ProtocolTCP, out.Subsets[i].Ports[j].Protocol)
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}
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} else {
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if out.Subsets[i].Ports[j].Protocol != in.Subsets[i].Ports[j].Protocol {
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t.Errorf("Expected protocol %s, got %s", in.Subsets[i].Ports[j].Protocol, out.Subsets[i].Ports[j].Protocol)
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}
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}
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}
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}
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}
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func TestSetDefaulServiceTargetPort(t *testing.T) {
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in := &versioned.Service{Spec: versioned.ServiceSpec{Ports: []versioned.ServicePort{{Port: 1234}}}}
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obj := roundTrip(t, runtime.Object(in))
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out := obj.(*versioned.Service)
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if out.Spec.Ports[0].TargetPort != intstr.FromInt(1234) {
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t.Errorf("Expected TargetPort to be defaulted, got %v", out.Spec.Ports[0].TargetPort)
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}
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in = &versioned.Service{Spec: versioned.ServiceSpec{Ports: []versioned.ServicePort{{Port: 1234, TargetPort: intstr.FromInt(5678)}}}}
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obj = roundTrip(t, runtime.Object(in))
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out = obj.(*versioned.Service)
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if out.Spec.Ports[0].TargetPort != intstr.FromInt(5678) {
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t.Errorf("Expected TargetPort to be unchanged, got %v", out.Spec.Ports[0].TargetPort)
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}
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}
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func TestSetDefaultServicePort(t *testing.T) {
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// Unchanged if set.
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in := &versioned.Service{Spec: versioned.ServiceSpec{
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Ports: []versioned.ServicePort{
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{Protocol: "UDP", Port: 9376, TargetPort: intstr.FromString("p")},
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{Protocol: "UDP", Port: 8675, TargetPort: intstr.FromInt(309)},
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},
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}}
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out := roundTrip(t, runtime.Object(in)).(*versioned.Service)
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if out.Spec.Ports[0].Protocol != versioned.ProtocolUDP {
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t.Errorf("Expected protocol %s, got %s", versioned.ProtocolUDP, out.Spec.Ports[0].Protocol)
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}
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if out.Spec.Ports[0].TargetPort != intstr.FromString("p") {
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t.Errorf("Expected port %v, got %v", in.Spec.Ports[0].Port, out.Spec.Ports[0].TargetPort)
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}
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if out.Spec.Ports[1].Protocol != versioned.ProtocolUDP {
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t.Errorf("Expected protocol %s, got %s", versioned.ProtocolUDP, out.Spec.Ports[1].Protocol)
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}
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if out.Spec.Ports[1].TargetPort != intstr.FromInt(309) {
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t.Errorf("Expected port %v, got %v", in.Spec.Ports[1].Port, out.Spec.Ports[1].TargetPort)
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}
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// Defaulted.
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in = &versioned.Service{Spec: versioned.ServiceSpec{
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Ports: []versioned.ServicePort{
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{Protocol: "", Port: 9376, TargetPort: intstr.FromString("")},
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{Protocol: "", Port: 8675, TargetPort: intstr.FromInt(0)},
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},
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}}
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out = roundTrip(t, runtime.Object(in)).(*versioned.Service)
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if out.Spec.Ports[0].Protocol != versioned.ProtocolTCP {
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t.Errorf("Expected protocol %s, got %s", versioned.ProtocolTCP, out.Spec.Ports[0].Protocol)
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}
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if out.Spec.Ports[0].TargetPort != intstr.FromInt(int(in.Spec.Ports[0].Port)) {
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t.Errorf("Expected port %v, got %v", in.Spec.Ports[0].Port, out.Spec.Ports[0].TargetPort)
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}
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if out.Spec.Ports[1].Protocol != versioned.ProtocolTCP {
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t.Errorf("Expected protocol %s, got %s", versioned.ProtocolTCP, out.Spec.Ports[1].Protocol)
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}
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if out.Spec.Ports[1].TargetPort != intstr.FromInt(int(in.Spec.Ports[1].Port)) {
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t.Errorf("Expected port %v, got %v", in.Spec.Ports[1].Port, out.Spec.Ports[1].TargetPort)
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}
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}
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func TestSetDefaultNamespace(t *testing.T) {
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s := &versioned.Namespace{}
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obj2 := roundTrip(t, runtime.Object(s))
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s2 := obj2.(*versioned.Namespace)
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if s2.Status.Phase != versioned.NamespaceActive {
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t.Errorf("Expected phase %v, got %v", versioned.NamespaceActive, s2.Status.Phase)
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}
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}
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func TestSetDefaultPodSpecHostNetwork(t *testing.T) {
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portNum := int32(8080)
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s := versioned.PodSpec{}
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s.HostNetwork = true
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s.Containers = []versioned.Container{
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{
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Ports: []versioned.ContainerPort{
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{
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ContainerPort: portNum,
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},
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},
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},
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}
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pod := &versioned.Pod{
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Spec: s,
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}
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obj2 := roundTrip(t, runtime.Object(pod))
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pod2 := obj2.(*versioned.Pod)
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s2 := pod2.Spec
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hostPortNum := s2.Containers[0].Ports[0].HostPort
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if hostPortNum != portNum {
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t.Errorf("Expected container port to be defaulted, was made %d instead of %d", hostPortNum, portNum)
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}
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}
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func TestSetDefaultNodeExternalID(t *testing.T) {
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name := "node0"
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n := &versioned.Node{}
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n.Name = name
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obj2 := roundTrip(t, runtime.Object(n))
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n2 := obj2.(*versioned.Node)
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if n2.Spec.ExternalID != name {
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t.Errorf("Expected default External ID: %s, got: %s", name, n2.Spec.ExternalID)
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}
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if n2.Spec.ProviderID != "" {
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t.Errorf("Expected empty default Cloud Provider ID, got: %s", n2.Spec.ProviderID)
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}
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}
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func TestSetDefaultNodeStatusAllocatable(t *testing.T) {
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capacity := versioned.ResourceList{
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versioned.ResourceCPU: resource.MustParse("1000m"),
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versioned.ResourceMemory: resource.MustParse("10G"),
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}
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allocatable := versioned.ResourceList{
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versioned.ResourceCPU: resource.MustParse("500m"),
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versioned.ResourceMemory: resource.MustParse("5G"),
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}
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tests := []struct {
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capacity versioned.ResourceList
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allocatable versioned.ResourceList
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expectedAllocatable versioned.ResourceList
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}{{ // Everything set, no defaulting.
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capacity: capacity,
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allocatable: allocatable,
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expectedAllocatable: allocatable,
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}, { // Allocatable set, no defaulting.
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capacity: nil,
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allocatable: allocatable,
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expectedAllocatable: allocatable,
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}, { // Capacity set, allocatable defaults to capacity.
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capacity: capacity,
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allocatable: nil,
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expectedAllocatable: capacity,
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}, { // Nothing set, allocatable "defaults" to capacity.
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capacity: nil,
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allocatable: nil,
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expectedAllocatable: nil,
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}}
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copyResourceList := func(rl versioned.ResourceList) versioned.ResourceList {
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if rl == nil {
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return nil
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}
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copy := make(versioned.ResourceList, len(rl))
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for k, v := range rl {
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copy[k] = *v.Copy()
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}
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return copy
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}
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resourceListsEqual := func(a versioned.ResourceList, b versioned.ResourceList) bool {
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if len(a) != len(b) {
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return false
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}
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for k, v := range a {
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vb, found := b[k]
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if !found {
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return false
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}
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if v.Cmp(vb) != 0 {
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return false
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}
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}
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return true
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}
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for i, testcase := range tests {
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node := versioned.Node{
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Status: versioned.NodeStatus{
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Capacity: copyResourceList(testcase.capacity),
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Allocatable: copyResourceList(testcase.allocatable),
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},
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}
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node2 := roundTrip(t, runtime.Object(&node)).(*versioned.Node)
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actual := node2.Status.Allocatable
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expected := testcase.expectedAllocatable
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if !resourceListsEqual(expected, actual) {
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t.Errorf("[%d] Expected NodeStatus.Allocatable: %+v; Got: %+v", i, expected, actual)
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}
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}
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}
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|
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func TestSetDefaultObjectFieldSelectorAPIVersion(t *testing.T) {
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s := versioned.PodSpec{
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Containers: []versioned.Container{
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{
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Env: []versioned.EnvVar{
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{
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ValueFrom: &versioned.EnvVarSource{
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FieldRef: &versioned.ObjectFieldSelector{},
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},
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},
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},
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},
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},
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}
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pod := &versioned.Pod{
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Spec: s,
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}
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obj2 := roundTrip(t, runtime.Object(pod))
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|
pod2 := obj2.(*versioned.Pod)
|
|
s2 := pod2.Spec
|
|
|
|
apiVersion := s2.Containers[0].Env[0].ValueFrom.FieldRef.APIVersion
|
|
if apiVersion != "v1" {
|
|
t.Errorf("Expected default APIVersion v1, got: %v", apiVersion)
|
|
}
|
|
}
|
|
|
|
func TestSetDefaultRequestsPod(t *testing.T) {
|
|
// verify we default if limits are specified
|
|
s := versioned.PodSpec{}
|
|
s.Containers = []versioned.Container{
|
|
{
|
|
Resources: versioned.ResourceRequirements{
|
|
Limits: versioned.ResourceList{
|
|
versioned.ResourceCPU: resource.MustParse("100m"),
|
|
},
|
|
},
|
|
},
|
|
}
|
|
pod := &versioned.Pod{
|
|
Spec: s,
|
|
}
|
|
output := roundTrip(t, runtime.Object(pod))
|
|
pod2 := output.(*versioned.Pod)
|
|
defaultRequest := pod2.Spec.Containers[0].Resources.Requests
|
|
requestValue := defaultRequest[versioned.ResourceCPU]
|
|
if requestValue.String() != "100m" {
|
|
t.Errorf("Expected request cpu: %s, got: %s", "100m", requestValue.String())
|
|
}
|
|
|
|
// verify we do nothing if no limits are specified
|
|
s = versioned.PodSpec{}
|
|
s.Containers = []versioned.Container{{}}
|
|
pod = &versioned.Pod{
|
|
Spec: s,
|
|
}
|
|
output = roundTrip(t, runtime.Object(pod))
|
|
pod2 = output.(*versioned.Pod)
|
|
defaultRequest = pod2.Spec.Containers[0].Resources.Requests
|
|
requestValue = defaultRequest[versioned.ResourceCPU]
|
|
if requestValue.String() != "0" {
|
|
t.Errorf("Expected 0 request value, got: %s", requestValue.String())
|
|
}
|
|
}
|
|
|
|
func TestDefaultRequestIsNotSetForReplicationController(t *testing.T) {
|
|
s := versioned.PodSpec{}
|
|
s.Containers = []versioned.Container{
|
|
{
|
|
Resources: versioned.ResourceRequirements{
|
|
Limits: versioned.ResourceList{
|
|
versioned.ResourceCPU: resource.MustParse("100m"),
|
|
},
|
|
},
|
|
},
|
|
}
|
|
rc := &versioned.ReplicationController{
|
|
Spec: versioned.ReplicationControllerSpec{
|
|
Replicas: newInt(3),
|
|
Template: &versioned.PodTemplateSpec{
|
|
ObjectMeta: versioned.ObjectMeta{
|
|
Labels: map[string]string{
|
|
"foo": "bar",
|
|
},
|
|
},
|
|
Spec: s,
|
|
},
|
|
},
|
|
}
|
|
output := roundTrip(t, runtime.Object(rc))
|
|
rc2 := output.(*versioned.ReplicationController)
|
|
defaultRequest := rc2.Spec.Template.Spec.Containers[0].Resources.Requests
|
|
requestValue := defaultRequest[versioned.ResourceCPU]
|
|
if requestValue.String() != "0" {
|
|
t.Errorf("Expected 0 request value, got: %s", requestValue.String())
|
|
}
|
|
}
|
|
|
|
func TestSetDefaultLimitRangeItem(t *testing.T) {
|
|
limitRange := &versioned.LimitRange{
|
|
ObjectMeta: versioned.ObjectMeta{
|
|
Name: "test-defaults",
|
|
},
|
|
Spec: versioned.LimitRangeSpec{
|
|
Limits: []versioned.LimitRangeItem{{
|
|
Type: versioned.LimitTypeContainer,
|
|
Max: versioned.ResourceList{
|
|
versioned.ResourceCPU: resource.MustParse("100m"),
|
|
},
|
|
Min: versioned.ResourceList{
|
|
versioned.ResourceMemory: resource.MustParse("100Mi"),
|
|
},
|
|
Default: versioned.ResourceList{},
|
|
DefaultRequest: versioned.ResourceList{},
|
|
}},
|
|
},
|
|
}
|
|
|
|
output := roundTrip(t, runtime.Object(limitRange))
|
|
limitRange2 := output.(*versioned.LimitRange)
|
|
defaultLimit := limitRange2.Spec.Limits[0].Default
|
|
defaultRequest := limitRange2.Spec.Limits[0].DefaultRequest
|
|
|
|
// verify that default cpu was set to the max
|
|
defaultValue := defaultLimit[versioned.ResourceCPU]
|
|
if defaultValue.String() != "100m" {
|
|
t.Errorf("Expected default cpu: %s, got: %s", "100m", defaultValue.String())
|
|
}
|
|
// verify that default request was set to the limit
|
|
requestValue := defaultRequest[versioned.ResourceCPU]
|
|
if requestValue.String() != "100m" {
|
|
t.Errorf("Expected request cpu: %s, got: %s", "100m", requestValue.String())
|
|
}
|
|
// verify that if a min is provided, it will be the default if no limit is specified
|
|
requestMinValue := defaultRequest[versioned.ResourceMemory]
|
|
if requestMinValue.String() != "100Mi" {
|
|
t.Errorf("Expected request memory: %s, got: %s", "100Mi", requestMinValue.String())
|
|
}
|
|
}
|
|
|
|
func TestSetDefaultProbe(t *testing.T) {
|
|
originalProbe := versioned.Probe{}
|
|
expectedProbe := versioned.Probe{
|
|
InitialDelaySeconds: 0,
|
|
TimeoutSeconds: 1,
|
|
PeriodSeconds: 10,
|
|
SuccessThreshold: 1,
|
|
FailureThreshold: 3,
|
|
}
|
|
|
|
pod := &versioned.Pod{
|
|
Spec: versioned.PodSpec{
|
|
Containers: []versioned.Container{{LivenessProbe: &originalProbe}},
|
|
},
|
|
}
|
|
|
|
output := roundTrip(t, runtime.Object(pod)).(*versioned.Pod)
|
|
actualProbe := *output.Spec.Containers[0].LivenessProbe
|
|
if actualProbe != expectedProbe {
|
|
t.Errorf("Expected probe: %+v\ngot: %+v\n", expectedProbe, actualProbe)
|
|
}
|
|
}
|