mirror of
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418 lines
14 KiB
Go
418 lines
14 KiB
Go
/*
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Copyright 2015 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 federation
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"testing"
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"github.com/stretchr/testify/assert"
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autoscaling_v1 "k8s.io/api/autoscaling/v1"
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batch_v1 "k8s.io/api/batch/v1"
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"k8s.io/api/core/v1"
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ext_v1b1 "k8s.io/api/extensions/v1beta1"
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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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fed_v1b1 "k8s.io/kubernetes/federation/apis/federation/v1beta1"
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"k8s.io/kubernetes/test/integration/federation/framework"
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)
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// List of group versions that are enabled by default.
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var enabledGroupVersions = []schema.GroupVersion{
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fed_v1b1.SchemeGroupVersion,
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ext_v1b1.SchemeGroupVersion,
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}
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// List of group versions that are disabled by default.
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var disabledGroupVersions = []schema.GroupVersion{
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batch_v1.SchemeGroupVersion,
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autoscaling_v1.SchemeGroupVersion,
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}
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type apiTestFunc func(t *testing.T, host string, expectedGroupVersions []schema.GroupVersion)
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func testFederationAPI(t *testing.T, runtimeConfig string, expectedGroupVersions []schema.GroupVersion) {
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f := &framework.FederationAPIFixture{}
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if runtimeConfig == "" {
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f.SetUp(t)
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} else {
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runOptions := framework.GetRunOptions()
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runOptions.APIEnablement.RuntimeConfig.Set(runtimeConfig)
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f.SetUpWithRunOptions(t, runOptions)
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}
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defer f.TearDown(t)
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testCases := map[string]apiTestFunc{
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"swaggerSpec": testSwaggerSpec,
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"support": testSupport,
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"apiGroupList": testAPIGroupList,
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"apiGroup": testAPIGroup,
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"apiResourceList": testAPIResourceList,
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}
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for testName, testFunc := range testCases {
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t.Run(testName, func(t *testing.T) {
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testFunc(t, f.Host, expectedGroupVersions)
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})
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}
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}
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// Verifies that only default APIs are enabled when no runtime config is set.
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func TestDefaultRun(t *testing.T) {
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testFederationAPI(t, "", enabledGroupVersions)
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}
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// Verifies that all APIs are enabled when runtime config is set to all.
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func TestRunWithRuntimeConfigAll(t *testing.T) {
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expectedGroupVersions := enabledGroupVersions
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expectedGroupVersions = append(enabledGroupVersions, disabledGroupVersions...)
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testFederationAPI(t, "api/all=true", expectedGroupVersions)
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}
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func readResponse(serverURL string) ([]byte, error) {
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response, err := http.Get(serverURL)
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if err != nil {
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return nil, fmt.Errorf("Error in fetching %s: %v", serverURL, err)
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}
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defer response.Body.Close()
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if response.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("unexpected status: %d for URL: %s, expected status: %d", response.StatusCode, serverURL, http.StatusOK)
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}
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contents, err := ioutil.ReadAll(response.Body)
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if err != nil {
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return nil, fmt.Errorf("Error reading response from %s: %v", serverURL, err)
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}
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return contents, nil
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}
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func testSwaggerSpec(t *testing.T, host string, expectedGroupVersions []schema.GroupVersion) {
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serverURL := host + "/swaggerapi"
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_, err := readResponse(serverURL)
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if err != nil {
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t.Fatalf("%v", err)
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}
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}
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func testSupport(t *testing.T, host string, expectedGroupVersions []schema.GroupVersion) {
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serverURL := host + "/version"
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_, err := readResponse(serverURL)
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if err != nil {
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t.Fatalf("%v", err)
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}
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}
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func findGroup(groups []metav1.APIGroup, groupName string) *metav1.APIGroup {
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for _, group := range groups {
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if group.Name == groupName {
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return &group
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}
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}
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return nil
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}
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func testAPIGroupList(t *testing.T, host string, expectedGroupVersions []schema.GroupVersion) {
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groupVersionForDiscoveryMap := make(map[string]metav1.GroupVersionForDiscovery)
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for _, groupVersion := range expectedGroupVersions {
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groupVersionForDiscoveryMap[groupVersion.Group] = metav1.GroupVersionForDiscovery{
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GroupVersion: groupVersion.String(),
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Version: groupVersion.Version,
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}
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}
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serverURL := host + "/apis"
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contents, err := readResponse(serverURL)
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if err != nil {
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t.Fatalf("%v", err)
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}
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var apiGroupList metav1.APIGroupList
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err = json.Unmarshal(contents, &apiGroupList)
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if err != nil {
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t.Fatalf("Error in unmarshalling response from server %s: %v", serverURL, err)
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}
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assert.Equal(t, len(apiGroupList.Groups), len(expectedGroupVersions), "expected: %v, actual: %v", expectedGroupVersions, apiGroupList.Groups)
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for _, groupVersion := range expectedGroupVersions {
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found := findGroup(apiGroupList.Groups, groupVersion.Group)
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assert.NotNil(t, found)
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assert.Equal(t, groupVersion.Group, found.Name)
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assert.Equal(t, 1, len(found.Versions))
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groupVersionForDiscovery := groupVersionForDiscoveryMap[groupVersion.Group]
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assert.Equal(t, groupVersionForDiscovery, found.Versions[0])
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assert.Equal(t, groupVersionForDiscovery, found.PreferredVersion)
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}
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}
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func testAPIGroup(t *testing.T, host string, expectedGroupVersions []schema.GroupVersion) {
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for _, groupVersion := range expectedGroupVersions {
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serverURL := host + "/apis/" + groupVersion.Group
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contents, err := readResponse(serverURL)
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if err != nil {
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t.Fatalf("%v", err)
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}
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var apiGroup metav1.APIGroup
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err = json.Unmarshal(contents, &apiGroup)
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if err != nil {
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t.Fatalf("Error in unmarshalling response from server %s: %v", serverURL, err)
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}
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// empty APIVersion for extensions group
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if groupVersion.Group == "extensions" {
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assert.Equal(t, "", apiGroup.APIVersion)
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} else {
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assert.Equal(t, "v1", apiGroup.APIVersion)
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}
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assert.Equal(t, apiGroup.Name, groupVersion.Group)
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assert.Equal(t, 1, len(apiGroup.Versions))
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assert.Equal(t, groupVersion.String(), apiGroup.Versions[0].GroupVersion)
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assert.Equal(t, groupVersion.Version, apiGroup.Versions[0].Version)
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assert.Equal(t, apiGroup.PreferredVersion, apiGroup.Versions[0])
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}
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testCoreAPIGroup(t, host)
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}
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func testCoreAPIGroup(t *testing.T, host string) {
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serverURL := host + "/api"
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contents, err := readResponse(serverURL)
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if err != nil {
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t.Fatalf("%v", err)
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}
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var apiVersions metav1.APIVersions
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err = json.Unmarshal(contents, &apiVersions)
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if err != nil {
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t.Fatalf("Error in unmarshalling response from server %s: %v", serverURL, err)
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}
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assert.Equal(t, 1, len(apiVersions.Versions))
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assert.Equal(t, "v1", apiVersions.Versions[0])
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assert.NotEmpty(t, apiVersions.ServerAddressByClientCIDRs)
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}
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func findResource(resources []metav1.APIResource, resourceName string) *metav1.APIResource {
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for _, resource := range resources {
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if resource.Name == resourceName {
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return &resource
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}
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}
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return nil
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}
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func testAPIResourceList(t *testing.T, host string, expectedGroupVersions []schema.GroupVersion) {
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testFederationResourceList(t, host)
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testCoreResourceList(t, host)
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testExtensionsResourceList(t, host)
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if contains(expectedGroupVersions, batch_v1.SchemeGroupVersion) {
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testBatchResourceList(t, host)
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}
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if contains(expectedGroupVersions, autoscaling_v1.SchemeGroupVersion) {
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testAutoscalingResourceList(t, host)
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}
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}
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func contains(gvs []schema.GroupVersion, requiredGV schema.GroupVersion) bool {
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for _, gv := range gvs {
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if gv.String() == requiredGV.String() {
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return true
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}
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}
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return false
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}
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func testFederationResourceList(t *testing.T, host string) {
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serverURL := host + "/apis/" + fed_v1b1.SchemeGroupVersion.String()
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contents, err := readResponse(serverURL)
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if err != nil {
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t.Fatalf("%v", err)
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}
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var apiResourceList metav1.APIResourceList
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err = json.Unmarshal(contents, &apiResourceList)
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if err != nil {
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t.Fatalf("Error in unmarshalling response from server %s: %v", serverURL, err)
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}
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assert.Equal(t, "v1", apiResourceList.APIVersion)
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assert.Equal(t, fed_v1b1.SchemeGroupVersion.String(), apiResourceList.GroupVersion)
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// Assert that there are exactly 2 resources.
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assert.Equal(t, 2, len(apiResourceList.APIResources))
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found := findResource(apiResourceList.APIResources, "clusters")
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assert.NotNil(t, found)
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assert.False(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "clusters/status")
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assert.NotNil(t, found)
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assert.False(t, found.Namespaced)
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}
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func testCoreResourceList(t *testing.T, host string) {
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serverURL := host + "/api/" + v1.SchemeGroupVersion.String()
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contents, err := readResponse(serverURL)
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if err != nil {
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t.Fatalf("%v", err)
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}
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var apiResourceList metav1.APIResourceList
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err = json.Unmarshal(contents, &apiResourceList)
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if err != nil {
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t.Fatalf("Error in unmarshalling response from server %s: %v", serverURL, err)
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}
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assert.Equal(t, "", apiResourceList.APIVersion)
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assert.Equal(t, v1.SchemeGroupVersion.String(), apiResourceList.GroupVersion)
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assert.Equal(t, 8, len(apiResourceList.APIResources), "ResourceList: %v", apiResourceList.APIResources)
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// Verify services.
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found := findResource(apiResourceList.APIResources, "services")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "services/status")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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// Verify namespaces.
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found = findResource(apiResourceList.APIResources, "namespaces")
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assert.NotNil(t, found)
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assert.False(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "namespaces/status")
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assert.NotNil(t, found)
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assert.False(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "namespaces/finalize")
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assert.NotNil(t, found)
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assert.False(t, found.Namespaced)
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// Verify events.
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found = findResource(apiResourceList.APIResources, "events")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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// Verify secrets.
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found = findResource(apiResourceList.APIResources, "secrets")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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// Verify config maps.
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found = findResource(apiResourceList.APIResources, "configmaps")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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}
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func testExtensionsResourceList(t *testing.T, host string) {
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serverURL := host + "/apis/" + ext_v1b1.SchemeGroupVersion.String()
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contents, err := readResponse(serverURL)
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if err != nil {
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t.Fatalf("%v", err)
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}
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var apiResourceList metav1.APIResourceList
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err = json.Unmarshal(contents, &apiResourceList)
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if err != nil {
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t.Fatalf("Error in unmarshalling response from server %s: %v", serverURL, err)
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}
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// empty APIVersion for extensions group
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assert.Equal(t, "", apiResourceList.APIVersion)
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assert.Equal(t, ext_v1b1.SchemeGroupVersion.String(), apiResourceList.GroupVersion)
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// Assert that there are exactly 11 resources.
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assert.Equal(t, 11, len(apiResourceList.APIResources))
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// Verify replicasets.
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found := findResource(apiResourceList.APIResources, "replicasets")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "replicasets/status")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "replicasets/scale")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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// Verify ingress.
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found = findResource(apiResourceList.APIResources, "ingresses")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "ingresses/status")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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// Verify daemonsets.
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found = findResource(apiResourceList.APIResources, "daemonsets")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "daemonsets/status")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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// Verify deployments.
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found = findResource(apiResourceList.APIResources, "deployments")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "deployments/status")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "deployments/scale")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "deployments/rollback")
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}
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func testBatchResourceList(t *testing.T, host string) {
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serverURL := host + "/apis/" + batch_v1.SchemeGroupVersion.String()
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contents, err := readResponse(serverURL)
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if err != nil {
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t.Fatalf("%v", err)
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}
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var apiResourceList metav1.APIResourceList
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err = json.Unmarshal(contents, &apiResourceList)
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if err != nil {
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t.Fatalf("Error in unmarshalling response from server %s: %v", serverURL, err)
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}
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// empty APIVersion for extensions group
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assert.Equal(t, "v1", apiResourceList.APIVersion)
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assert.Equal(t, batch_v1.SchemeGroupVersion.String(), apiResourceList.GroupVersion)
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// Assert that there are exactly this number of resources.
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assert.Equal(t, 2, len(apiResourceList.APIResources))
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// Verify jobs
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found := findResource(apiResourceList.APIResources, "jobs")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "jobs/status")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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}
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func testAutoscalingResourceList(t *testing.T, host string) {
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serverURL := host + "/apis/" + autoscaling_v1.SchemeGroupVersion.String()
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contents, err := readResponse(serverURL)
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if err != nil {
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t.Fatalf("%v", err)
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}
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var apiResourceList metav1.APIResourceList
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err = json.Unmarshal(contents, &apiResourceList)
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if err != nil {
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t.Fatalf("Error in unmarshalling response from server %s: %v", serverURL, err)
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}
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// empty APIVersion for extensions group
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assert.Equal(t, "v1", apiResourceList.APIVersion)
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assert.Equal(t, autoscaling_v1.SchemeGroupVersion.String(), apiResourceList.GroupVersion)
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// Assert that there are exactly this number of resources.
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assert.Equal(t, 2, len(apiResourceList.APIResources))
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// Verify hpa
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found := findResource(apiResourceList.APIResources, "horizontalpodautoscalers")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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found = findResource(apiResourceList.APIResources, "horizontalpodautoscalers/status")
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assert.NotNil(t, found)
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assert.True(t, found.Namespaced)
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}
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