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…rver pkg: unit test aggregatedAPIServer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| /* | ||
| Copyright 2024 The Karmada Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package aggregatedapiserver | ||
|
|
||
| import ( | ||
| "errors" | ||
| "net" | ||
| "net/http" | ||
| "strings" | ||
| "testing" | ||
|
|
||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apiserver/pkg/endpoints/openapi" | ||
| "k8s.io/apiserver/pkg/registry/generic" | ||
| genericapiserver "k8s.io/apiserver/pkg/server" | ||
| "k8s.io/client-go/informers" | ||
| clientset "k8s.io/client-go/kubernetes" | ||
| fakeclientset "k8s.io/client-go/kubernetes/fake" | ||
| listcorev1 "k8s.io/client-go/listers/core/v1" | ||
| restclient "k8s.io/client-go/rest" | ||
|
|
||
| clusterscheme "github.com/karmada-io/karmada/pkg/apis/cluster/scheme" | ||
| generatedopenapi "github.com/karmada-io/karmada/pkg/generated/openapi" | ||
| clusterstorage "github.com/karmada-io/karmada/pkg/registry/cluster/storage" | ||
| ) | ||
|
|
||
| func TestNewAggregatedAPIServer(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| cfg *completedConfig | ||
| genericAPIServerConfig *genericapiserver.Config | ||
| restConfig *restclient.Config | ||
| secretLister listcorev1.SecretLister | ||
| client clientset.Interface | ||
| prep func(*completedConfig, *genericapiserver.Config, clientset.Interface) error | ||
| wantErr bool | ||
| errMsg string | ||
| }{ | ||
| { | ||
| name: "NewAggregatedAPIServer_NetworkIssue_FailedToCreateRESTStorage", | ||
| cfg: &completedConfig{ | ||
| ExtraConfig: &ExtraConfig{}, | ||
| }, | ||
| genericAPIServerConfig: &genericapiserver.Config{ | ||
| RESTOptionsGetter: generic.RESTOptions{}, | ||
| Serializer: runtime.NewSimpleNegotiatedSerializer(runtime.SerializerInfo{ | ||
| MediaType: runtime.ContentTypeJSON, | ||
| }), | ||
| LoopbackClientConfig: &restclient.Config{}, | ||
| EquivalentResourceRegistry: runtime.NewEquivalentResourceRegistry(), | ||
| BuildHandlerChainFunc: func(http.Handler, *genericapiserver.Config) (secure http.Handler) { | ||
| return nil | ||
| }, | ||
| ExternalAddress: "10.0.0.0:10000", | ||
| }, | ||
| client: fakeclientset.NewSimpleClientset(), | ||
| prep: func(cfg *completedConfig, genericAPIServerCfg *genericapiserver.Config, client clientset.Interface) error { | ||
| sharedInformer := informers.NewSharedInformerFactory(client, 0) | ||
| cfg.GenericConfig = genericAPIServerCfg.Complete(sharedInformer) | ||
| newClusterStorageBuilder = func(*runtime.Scheme, *restclient.Config, listcorev1.SecretLister, generic.RESTOptionsGetter) (*clusterstorage.ClusterStorage, error) { | ||
| return nil, errors.New("unexpected network issue while creating the cluster storage") | ||
| } | ||
| return nil | ||
| }, | ||
| wantErr: true, | ||
| errMsg: "unexpected network issue while creating the cluster storage", | ||
| }, | ||
| { | ||
| name: "NewAggregatedAPIServer_InstalledAPIGroup_FailedToInstallAPIGroup", | ||
| cfg: &completedConfig{ | ||
| ExtraConfig: &ExtraConfig{}, | ||
| }, | ||
| genericAPIServerConfig: &genericapiserver.Config{ | ||
| RESTOptionsGetter: generic.RESTOptions{}, | ||
| Serializer: runtime.NewSimpleNegotiatedSerializer(runtime.SerializerInfo{ | ||
| MediaType: runtime.ContentTypeJSON, | ||
| }), | ||
| LoopbackClientConfig: &restclient.Config{}, | ||
| EquivalentResourceRegistry: runtime.NewEquivalentResourceRegistry(), | ||
| BuildHandlerChainFunc: func(http.Handler, *genericapiserver.Config) (secure http.Handler) { | ||
| return nil | ||
| }, | ||
| OpenAPIV3Config: genericapiserver.DefaultOpenAPIV3Config(generatedopenapi.GetOpenAPIDefinitions, openapi.NewDefinitionNamer(clusterscheme.Scheme)), | ||
| ExternalAddress: "10.0.0.0:10000", | ||
| }, | ||
| prep: func(cfg *completedConfig, genericAPIServerCfg *genericapiserver.Config, client clientset.Interface) error { | ||
| sharedInformer := informers.NewSharedInformerFactory(client, 0) | ||
| cfg.GenericConfig = genericAPIServerCfg.Complete(sharedInformer) | ||
| newClusterStorageBuilder = func(*runtime.Scheme, *restclient.Config, listcorev1.SecretLister, generic.RESTOptionsGetter) (*clusterstorage.ClusterStorage, error) { | ||
| return &clusterstorage.ClusterStorage{}, nil | ||
| } | ||
| apiGroupInstaller = func(*APIServer, *genericapiserver.APIGroupInfo) error { | ||
| return errors.New("failed to install api group") | ||
| } | ||
| return nil | ||
| }, | ||
| wantErr: true, | ||
| errMsg: "failed to install api group", | ||
| }, | ||
| { | ||
| name: "NewAggregatedAPIServer_InstalledAPIGroup_APIGroupInstalled", | ||
| cfg: &completedConfig{ | ||
| ExtraConfig: &ExtraConfig{}, | ||
| }, | ||
| genericAPIServerConfig: &genericapiserver.Config{ | ||
| RESTOptionsGetter: generic.RESTOptions{}, | ||
| SecureServing: &genericapiserver.SecureServingInfo{ | ||
| Listener: &net.TCPListener{}, | ||
| }, | ||
| Serializer: runtime.NewSimpleNegotiatedSerializer(runtime.SerializerInfo{ | ||
| MediaType: runtime.ContentTypeJSON, | ||
| }), | ||
| LoopbackClientConfig: &restclient.Config{}, | ||
| EquivalentResourceRegistry: runtime.NewEquivalentResourceRegistry(), | ||
| BuildHandlerChainFunc: func(http.Handler, *genericapiserver.Config) (secure http.Handler) { | ||
| return nil | ||
| }, | ||
| OpenAPIV3Config: genericapiserver.DefaultOpenAPIV3Config(generatedopenapi.GetOpenAPIDefinitions, openapi.NewDefinitionNamer(clusterscheme.Scheme)), | ||
| ExternalAddress: "10.0.0.0:10000", | ||
| }, | ||
| prep: func(cfg *completedConfig, genericAPIServerCfg *genericapiserver.Config, client clientset.Interface) error { | ||
| sharedInformer := informers.NewSharedInformerFactory(client, 0) | ||
| cfg.GenericConfig = genericAPIServerCfg.Complete(sharedInformer) | ||
| newClusterStorageBuilder = func(*runtime.Scheme, *restclient.Config, listcorev1.SecretLister, generic.RESTOptionsGetter) (*clusterstorage.ClusterStorage, error) { | ||
| return &clusterstorage.ClusterStorage{}, nil | ||
| } | ||
| apiGroupInstaller = func(*APIServer, *genericapiserver.APIGroupInfo) error { | ||
| return nil | ||
| } | ||
| return nil | ||
| }, | ||
| wantErr: false, | ||
| }, | ||
| } | ||
| for _, test := range tests { | ||
| t.Run(test.name, func(t *testing.T) { | ||
| if err := test.prep(test.cfg, test.genericAPIServerConfig, test.client); err != nil { | ||
| t.Fatalf("failed to prep test environment before creating new aggregated apiserver, got: %v", err) | ||
| } | ||
| _, err := test.cfg.New(test.restConfig, test.secretLister) | ||
| if err == nil && test.wantErr { | ||
| t.Fatal("expected an error, but got none") | ||
| } | ||
| if err != nil && !test.wantErr { | ||
| t.Errorf("unexpected error, got: %v", err) | ||
| } | ||
| if err != nil && test.wantErr && !strings.Contains(err.Error(), test.errMsg) { | ||
| t.Errorf("expected error message %s to be in %s", test.errMsg, err.Error()) | ||
| } | ||
| }) | ||
| } | ||
| } |