2b85b0d1df
Update k8s client and the dependencies ACI client change for Mocking Add ACI Provider Mock Tests Add the Windows development environment Add UT for Default Resource Requests Enable the make test in Docker file Update the vendors
385 lines
9.0 KiB
Go
385 lines
9.0 KiB
Go
/*
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Copyright 2016 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 discovery_test
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import (
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"reflect"
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"testing"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/version"
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. "k8s.io/client-go/discovery"
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restclient "k8s.io/client-go/rest"
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"k8s.io/client-go/rest/fake"
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"github.com/googleapis/gnostic/OpenAPIv2"
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"github.com/stretchr/testify/assert"
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)
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func TestRESTMapper(t *testing.T) {
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resources := []*APIGroupResources{
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{
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Group: metav1.APIGroup{
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Name: "extensions",
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Versions: []metav1.GroupVersionForDiscovery{
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{Version: "v1beta"},
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},
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PreferredVersion: metav1.GroupVersionForDiscovery{Version: "v1beta"},
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},
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VersionedResources: map[string][]metav1.APIResource{
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"v1beta": {
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{Name: "jobs", Namespaced: true, Kind: "Job"},
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{Name: "pods", Namespaced: true, Kind: "Pod"},
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},
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},
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},
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{
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Group: metav1.APIGroup{
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Versions: []metav1.GroupVersionForDiscovery{
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{Version: "v1"},
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{Version: "v2"},
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},
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PreferredVersion: metav1.GroupVersionForDiscovery{Version: "v1"},
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},
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VersionedResources: map[string][]metav1.APIResource{
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"v1": {
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{Name: "pods", Namespaced: true, Kind: "Pod"},
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},
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"v2": {
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{Name: "pods", Namespaced: true, Kind: "Pod"},
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},
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},
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},
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// This group tests finding and prioritizing resources that only exist in non-preferred versions
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{
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Group: metav1.APIGroup{
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Name: "unpreferred",
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Versions: []metav1.GroupVersionForDiscovery{
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{Version: "v1"},
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{Version: "v2beta1"},
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{Version: "v2alpha1"},
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},
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PreferredVersion: metav1.GroupVersionForDiscovery{Version: "v1"},
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},
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VersionedResources: map[string][]metav1.APIResource{
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"v1": {
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{Name: "broccoli", Namespaced: true, Kind: "Broccoli"},
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},
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"v2beta1": {
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{Name: "broccoli", Namespaced: true, Kind: "Broccoli"},
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{Name: "peas", Namespaced: true, Kind: "Pea"},
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},
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"v2alpha1": {
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{Name: "broccoli", Namespaced: true, Kind: "Broccoli"},
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{Name: "peas", Namespaced: true, Kind: "Pea"},
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},
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},
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},
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}
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restMapper := NewRESTMapper(resources, nil)
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kindTCs := []struct {
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input schema.GroupVersionResource
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want schema.GroupVersionKind
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}{
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{
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input: schema.GroupVersionResource{
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Resource: "pods",
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},
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want: schema.GroupVersionKind{
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Version: "v1",
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Kind: "Pod",
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},
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},
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{
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input: schema.GroupVersionResource{
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Version: "v1",
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Resource: "pods",
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},
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want: schema.GroupVersionKind{
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Version: "v1",
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Kind: "Pod",
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},
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},
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{
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input: schema.GroupVersionResource{
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Version: "v2",
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Resource: "pods",
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},
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want: schema.GroupVersionKind{
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Version: "v2",
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Kind: "Pod",
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},
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},
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{
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input: schema.GroupVersionResource{
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Resource: "pods",
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},
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want: schema.GroupVersionKind{
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Version: "v1",
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Kind: "Pod",
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},
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},
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{
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input: schema.GroupVersionResource{
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Resource: "jobs",
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},
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want: schema.GroupVersionKind{
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Group: "extensions",
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Version: "v1beta",
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Kind: "Job",
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},
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},
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{
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input: schema.GroupVersionResource{
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Resource: "peas",
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},
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want: schema.GroupVersionKind{
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Group: "unpreferred",
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Version: "v2beta1",
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Kind: "Pea",
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},
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},
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}
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for _, tc := range kindTCs {
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got, err := restMapper.KindFor(tc.input)
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if err != nil {
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t.Errorf("KindFor(%#v) unexpected error: %v", tc.input, err)
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continue
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}
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if !reflect.DeepEqual(got, tc.want) {
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t.Errorf("KindFor(%#v) = %#v, want %#v", tc.input, got, tc.want)
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}
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}
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resourceTCs := []struct {
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input schema.GroupVersionResource
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want schema.GroupVersionResource
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}{
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{
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input: schema.GroupVersionResource{
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Resource: "pods",
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},
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want: schema.GroupVersionResource{
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Version: "v1",
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Resource: "pods",
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},
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},
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{
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input: schema.GroupVersionResource{
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Version: "v1",
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Resource: "pods",
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},
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want: schema.GroupVersionResource{
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Version: "v1",
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Resource: "pods",
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},
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},
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{
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input: schema.GroupVersionResource{
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Version: "v2",
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Resource: "pods",
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},
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want: schema.GroupVersionResource{
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Version: "v2",
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Resource: "pods",
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},
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},
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{
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input: schema.GroupVersionResource{
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Resource: "pods",
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},
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want: schema.GroupVersionResource{
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Version: "v1",
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Resource: "pods",
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},
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},
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{
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input: schema.GroupVersionResource{
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Resource: "jobs",
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},
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want: schema.GroupVersionResource{
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Group: "extensions",
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Version: "v1beta",
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Resource: "jobs",
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},
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},
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}
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for _, tc := range resourceTCs {
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got, err := restMapper.ResourceFor(tc.input)
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if err != nil {
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t.Errorf("ResourceFor(%#v) unexpected error: %v", tc.input, err)
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continue
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}
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if !reflect.DeepEqual(got, tc.want) {
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t.Errorf("ResourceFor(%#v) = %#v, want %#v", tc.input, got, tc.want)
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}
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}
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}
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func TestDeferredDiscoveryRESTMapper_CacheMiss(t *testing.T) {
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assert := assert.New(t)
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cdc := fakeCachedDiscoveryInterface{fresh: false}
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m := NewDeferredDiscoveryRESTMapper(&cdc, nil)
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assert.False(cdc.fresh, "should NOT be fresh after instantiation")
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assert.Zero(cdc.invalidateCalls, "should not have called Invalidate()")
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gvk, err := m.KindFor(schema.GroupVersionResource{
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Group: "a",
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Version: "v1",
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Resource: "foo",
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})
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assert.NoError(err)
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assert.True(cdc.fresh, "should be fresh after a cache-miss")
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assert.Equal(cdc.invalidateCalls, 1, "should have called Invalidate() once")
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assert.Equal(gvk.Kind, "Foo")
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gvk, err = m.KindFor(schema.GroupVersionResource{
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Group: "a",
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Version: "v1",
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Resource: "foo",
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})
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assert.NoError(err)
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assert.Equal(cdc.invalidateCalls, 1, "should NOT have called Invalidate() again")
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gvk, err = m.KindFor(schema.GroupVersionResource{
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Group: "a",
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Version: "v1",
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Resource: "bar",
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})
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assert.Error(err)
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assert.Equal(cdc.invalidateCalls, 1, "should NOT have called Invalidate() again after another cache-miss, but with fresh==true")
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cdc.fresh = false
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gvk, err = m.KindFor(schema.GroupVersionResource{
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Group: "a",
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Version: "v1",
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Resource: "bar",
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})
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assert.Error(err)
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assert.Equal(cdc.invalidateCalls, 2, "should HAVE called Invalidate() again after another cache-miss, but with fresh==false")
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}
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type fakeCachedDiscoveryInterface struct {
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invalidateCalls int
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fresh bool
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enabledA bool
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}
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var _ CachedDiscoveryInterface = &fakeCachedDiscoveryInterface{}
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func (c *fakeCachedDiscoveryInterface) Fresh() bool {
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return c.fresh
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}
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func (c *fakeCachedDiscoveryInterface) Invalidate() {
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c.invalidateCalls = c.invalidateCalls + 1
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c.fresh = true
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c.enabledA = true
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}
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func (c *fakeCachedDiscoveryInterface) RESTClient() restclient.Interface {
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return &fake.RESTClient{}
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}
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func (c *fakeCachedDiscoveryInterface) ServerGroups() (*metav1.APIGroupList, error) {
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if c.enabledA {
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return &metav1.APIGroupList{
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Groups: []metav1.APIGroup{
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{
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Name: "a",
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Versions: []metav1.GroupVersionForDiscovery{
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{
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GroupVersion: "a/v1",
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Version: "v1",
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},
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},
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PreferredVersion: metav1.GroupVersionForDiscovery{
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GroupVersion: "a/v1",
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Version: "v1",
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},
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},
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},
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}, nil
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}
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return &metav1.APIGroupList{}, nil
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}
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func (c *fakeCachedDiscoveryInterface) ServerResourcesForGroupVersion(groupVersion string) (*metav1.APIResourceList, error) {
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if c.enabledA && groupVersion == "a/v1" {
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return &metav1.APIResourceList{
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GroupVersion: "a/v1",
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APIResources: []metav1.APIResource{
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{
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Name: "foo",
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Kind: "Foo",
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Namespaced: false,
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},
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},
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}, nil
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}
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return nil, errors.NewNotFound(schema.GroupResource{}, "")
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}
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func (c *fakeCachedDiscoveryInterface) ServerResources() ([]*metav1.APIResourceList, error) {
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if c.enabledA {
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av1, _ := c.ServerResourcesForGroupVersion("a/v1")
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return []*metav1.APIResourceList{av1}, nil
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}
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return []*metav1.APIResourceList{}, nil
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}
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func (c *fakeCachedDiscoveryInterface) ServerPreferredResources() ([]*metav1.APIResourceList, error) {
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if c.enabledA {
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return []*metav1.APIResourceList{
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{
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GroupVersion: "a/v1",
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APIResources: []metav1.APIResource{
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{
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Name: "foo",
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Kind: "Foo",
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Verbs: []string{},
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},
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},
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},
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}, nil
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}
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return nil, nil
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}
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func (c *fakeCachedDiscoveryInterface) ServerPreferredNamespacedResources() ([]*metav1.APIResourceList, error) {
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return nil, nil
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}
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func (c *fakeCachedDiscoveryInterface) ServerVersion() (*version.Info, error) {
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return &version.Info{}, nil
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}
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func (c *fakeCachedDiscoveryInterface) OpenAPISchema() (*openapi_v2.Document, error) {
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return &openapi_v2.Document{}, nil
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}
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