210 lines
8.2 KiB
Go
210 lines
8.2 KiB
Go
/*
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Copyright 2017 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 initializer_test
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import (
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"context"
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"testing"
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"time"
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"k8s.io/apimachinery/pkg/api/meta"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apiserver/pkg/admission"
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"k8s.io/apiserver/pkg/admission/initializer"
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"k8s.io/apiserver/pkg/authorization/authorizer"
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"k8s.io/client-go/informers"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/kubernetes/fake"
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)
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// TestWantsAuthorizer ensures that the authorizer is injected
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// when the WantsAuthorizer interface is implemented by a plugin.
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func TestWantsAuthorizer(t *testing.T) {
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target := initializer.New(nil, nil, nil, &TestAuthorizer{}, nil, nil, nil)
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wantAuthorizerAdmission := &WantAuthorizerAdmission{}
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target.Initialize(wantAuthorizerAdmission)
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if wantAuthorizerAdmission.auth == nil {
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t.Errorf("expected authorizer to be initialized but found nil")
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}
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}
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// TestWantsExternalKubeClientSet ensures that the clientset is injected
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// when the WantsExternalKubeClientSet interface is implemented by a plugin.
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func TestWantsExternalKubeClientSet(t *testing.T) {
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cs := &fake.Clientset{}
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target := initializer.New(cs, nil, nil, &TestAuthorizer{}, nil, nil, nil)
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wantExternalKubeClientSet := &WantExternalKubeClientSet{}
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target.Initialize(wantExternalKubeClientSet)
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if wantExternalKubeClientSet.cs != cs {
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t.Errorf("expected clientset to be initialized")
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}
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}
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// TestWantsExternalKubeInformerFactory ensures that the informer factory is injected
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// when the WantsExternalKubeInformerFactory interface is implemented by a plugin.
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func TestWantsExternalKubeInformerFactory(t *testing.T) {
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cs := &fake.Clientset{}
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sf := informers.NewSharedInformerFactory(cs, time.Duration(1)*time.Second)
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target := initializer.New(cs, nil, sf, &TestAuthorizer{}, nil, nil, nil)
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wantExternalKubeInformerFactory := &WantExternalKubeInformerFactory{}
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target.Initialize(wantExternalKubeInformerFactory)
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if wantExternalKubeInformerFactory.sf != sf {
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t.Errorf("expected informer factory to be initialized")
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}
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}
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// TestWantsShutdownSignal ensures that the shutdown signal is injected
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// when the WantsShutdownSignal interface is implemented by a plugin.
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func TestWantsShutdownNotification(t *testing.T) {
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stopCh := make(chan struct{})
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target := initializer.New(nil, nil, nil, &TestAuthorizer{}, nil, stopCh, nil)
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wantDrainedNotification := &WantDrainedNotification{}
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target.Initialize(wantDrainedNotification)
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if wantDrainedNotification.stopCh == nil {
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t.Errorf("expected stopCh to be initialized but found nil")
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}
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}
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// WantExternalKubeInformerFactory is a test stub that fulfills the WantsExternalKubeInformerFactory interface
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type WantExternalKubeInformerFactory struct {
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sf informers.SharedInformerFactory
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}
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func (self *WantExternalKubeInformerFactory) SetExternalKubeInformerFactory(sf informers.SharedInformerFactory) {
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self.sf = sf
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}
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func (self *WantExternalKubeInformerFactory) Admit(ctx context.Context, a admission.Attributes, o admission.ObjectInterfaces) error {
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return nil
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}
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func (self *WantExternalKubeInformerFactory) Handles(o admission.Operation) bool { return false }
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func (self *WantExternalKubeInformerFactory) ValidateInitialization() error { return nil }
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var _ admission.Interface = &WantExternalKubeInformerFactory{}
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var _ initializer.WantsExternalKubeInformerFactory = &WantExternalKubeInformerFactory{}
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// WantExternalKubeClientSet is a test stub that fulfills the WantsExternalKubeClientSet interface
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type WantExternalKubeClientSet struct {
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cs kubernetes.Interface
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}
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func (self *WantExternalKubeClientSet) SetExternalKubeClientSet(cs kubernetes.Interface) {
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self.cs = cs
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}
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func (self *WantExternalKubeClientSet) Admit(ctx context.Context, a admission.Attributes, o admission.ObjectInterfaces) error {
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return nil
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}
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func (self *WantExternalKubeClientSet) Handles(o admission.Operation) bool { return false }
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func (self *WantExternalKubeClientSet) ValidateInitialization() error { return nil }
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var _ admission.Interface = &WantExternalKubeClientSet{}
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var _ initializer.WantsExternalKubeClientSet = &WantExternalKubeClientSet{}
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// WantAuthorizerAdmission is a test stub that fulfills the WantsAuthorizer interface.
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type WantAuthorizerAdmission struct {
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auth authorizer.Authorizer
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}
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func (self *WantAuthorizerAdmission) SetAuthorizer(a authorizer.Authorizer) { self.auth = a }
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func (self *WantAuthorizerAdmission) Admit(ctx context.Context, a admission.Attributes, o admission.ObjectInterfaces) error {
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return nil
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}
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func (self *WantAuthorizerAdmission) Handles(o admission.Operation) bool { return false }
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func (self *WantAuthorizerAdmission) ValidateInitialization() error { return nil }
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var _ admission.Interface = &WantAuthorizerAdmission{}
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var _ initializer.WantsAuthorizer = &WantAuthorizerAdmission{}
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// WantDrainedNotification is a test stub that filfills the WantsDrainedNotification interface.
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type WantDrainedNotification struct {
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stopCh <-chan struct{}
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}
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func (self *WantDrainedNotification) SetDrainedNotification(stopCh <-chan struct{}) {
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self.stopCh = stopCh
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}
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func (self *WantDrainedNotification) Admit(ctx context.Context, a admission.Attributes, o admission.ObjectInterfaces) error {
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return nil
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}
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func (self *WantDrainedNotification) Handles(o admission.Operation) bool { return false }
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func (self *WantDrainedNotification) ValidateInitialization() error { return nil }
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var _ admission.Interface = &WantDrainedNotification{}
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var _ initializer.WantsDrainedNotification = &WantDrainedNotification{}
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// TestAuthorizer is a test stub that fulfills the WantsAuthorizer interface.
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type TestAuthorizer struct{}
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func (t *TestAuthorizer) Authorize(ctx context.Context, a authorizer.Attributes) (authorized authorizer.Decision, reason string, err error) {
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return authorizer.DecisionNoOpinion, "", nil
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}
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func TestRESTMapperAdmissionPlugin(t *testing.T) {
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initializer := initializer.New(nil, nil, nil, &TestAuthorizer{}, nil, nil, &doNothingRESTMapper{})
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wantsRESTMapperAdmission := &WantsRESTMapperAdmissionPlugin{}
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initializer.Initialize(wantsRESTMapperAdmission)
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if wantsRESTMapperAdmission.mapper == nil {
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t.Errorf("Expected REST mapper to be initialized but found nil")
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}
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}
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type WantsRESTMapperAdmissionPlugin struct {
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doNothingAdmission
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doNothingPluginInitialization
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mapper meta.RESTMapper
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}
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func (p *WantsRESTMapperAdmissionPlugin) SetRESTMapper(mapper meta.RESTMapper) {
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p.mapper = mapper
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}
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type doNothingRESTMapper struct{}
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func (doNothingRESTMapper) KindFor(resource schema.GroupVersionResource) (schema.GroupVersionKind, error) {
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return schema.GroupVersionKind{}, nil
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}
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func (doNothingRESTMapper) KindsFor(resource schema.GroupVersionResource) ([]schema.GroupVersionKind, error) {
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return nil, nil
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}
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func (doNothingRESTMapper) ResourceFor(input schema.GroupVersionResource) (schema.GroupVersionResource, error) {
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return schema.GroupVersionResource{}, nil
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}
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func (doNothingRESTMapper) ResourcesFor(input schema.GroupVersionResource) ([]schema.GroupVersionResource, error) {
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return nil, nil
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}
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func (doNothingRESTMapper) RESTMapping(gk schema.GroupKind, versions ...string) (*meta.RESTMapping, error) {
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return nil, nil
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}
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func (doNothingRESTMapper) RESTMappings(gk schema.GroupKind, versions ...string) ([]*meta.RESTMapping, error) {
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return nil, nil
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}
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func (doNothingRESTMapper) ResourceSingularizer(resource string) (singular string, err error) {
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return "", nil
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}
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type doNothingAdmission struct{}
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func (doNothingAdmission) Admit(ctx context.Context, a admission.Attributes, o admission.ObjectInterfaces) error {
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return nil
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}
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func (doNothingAdmission) Handles(o admission.Operation) bool { return false }
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func (doNothingAdmission) Validate() error { return nil }
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type doNothingPluginInitialization struct{}
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func (doNothingPluginInitialization) ValidateInitialization() error { return nil }
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