| /* |
| Copyright 2016 The Kubernetes 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 storage |
| |
| import ( |
| "testing" |
| |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| "k8s.io/apimachinery/pkg/fields" |
| "k8s.io/apimachinery/pkg/labels" |
| "k8s.io/apimachinery/pkg/util/intstr" |
| genericapirequest "k8s.io/apiserver/pkg/endpoints/request" |
| "k8s.io/apiserver/pkg/registry/generic" |
| genericregistrytest "k8s.io/apiserver/pkg/registry/generic/testing" |
| "k8s.io/apiserver/pkg/registry/rest" |
| etcdtesting "k8s.io/apiserver/pkg/storage/etcd/testing" |
| "k8s.io/kubernetes/pkg/apis/policy" |
| "k8s.io/kubernetes/pkg/registry/registrytest" |
| ) |
| |
| func newStorage(t *testing.T) (*REST, *StatusREST, *etcdtesting.EtcdTestServer) { |
| etcdStorage, server := registrytest.NewEtcdStorage(t, policy.GroupName) |
| restOptions := generic.RESTOptions{StorageConfig: etcdStorage, Decorator: generic.UndecoratedStorage, DeleteCollectionWorkers: 1, ResourcePrefix: "poddisruptionbudgets"} |
| podDisruptionBudgetStorage, statusStorage := NewREST(restOptions) |
| return podDisruptionBudgetStorage, statusStorage, server |
| } |
| |
| func validNewPodDisruptionBudget() *policy.PodDisruptionBudget { |
| minAvailable := intstr.FromInt(7) |
| return &policy.PodDisruptionBudget{ |
| ObjectMeta: metav1.ObjectMeta{ |
| Name: "foo", |
| Namespace: metav1.NamespaceDefault, |
| Labels: map[string]string{"a": "b"}, |
| }, |
| Spec: policy.PodDisruptionBudgetSpec{ |
| Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"a": "b"}}, |
| MinAvailable: &minAvailable, |
| }, |
| Status: policy.PodDisruptionBudgetStatus{}, |
| } |
| } |
| |
| func TestCreate(t *testing.T) { |
| storage, _, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.Store.DestroyFunc() |
| test := genericregistrytest.New(t, storage.Store) |
| pdb := validNewPodDisruptionBudget() |
| pdb.ObjectMeta = metav1.ObjectMeta{} |
| test.TestCreate( |
| // valid |
| pdb, |
| // TODO: Add an invalid case when we have validation. |
| ) |
| } |
| |
| // TODO: Test updates to spec when we allow them. |
| |
| func TestStatusUpdate(t *testing.T) { |
| storage, statusStorage, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.Store.DestroyFunc() |
| ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), metav1.NamespaceDefault) |
| key := "/poddisruptionbudgets/" + metav1.NamespaceDefault + "/foo" |
| validPodDisruptionBudget := validNewPodDisruptionBudget() |
| if err := storage.Storage.Create(ctx, key, validPodDisruptionBudget, nil, 0, false); err != nil { |
| t.Fatalf("unexpected error: %v", err) |
| } |
| |
| obj, err := storage.Get(ctx, "foo", &metav1.GetOptions{}) |
| if err != nil { |
| t.Fatalf("failed to get pdb: %v", err) |
| } |
| obtainedPdb := obj.(*policy.PodDisruptionBudget) |
| |
| minAvailable := intstr.FromInt(8) |
| update := policy.PodDisruptionBudget{ |
| ObjectMeta: obtainedPdb.ObjectMeta, |
| Spec: policy.PodDisruptionBudgetSpec{ |
| MinAvailable: &minAvailable, |
| }, |
| Status: policy.PodDisruptionBudgetStatus{ |
| ExpectedPods: 8, |
| }, |
| } |
| |
| if _, _, err := statusStorage.Update(ctx, update.Name, rest.DefaultUpdatedObjectInfo(&update), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{}); err != nil { |
| t.Fatalf("unexpected error: %v", err) |
| } |
| obj, err = storage.Get(ctx, "foo", &metav1.GetOptions{}) |
| if err != nil { |
| t.Fatalf("unexpected error: %v", err) |
| } |
| |
| pdb := obj.(*policy.PodDisruptionBudget) |
| if pdb.Spec.MinAvailable.IntValue() != 7 { |
| t.Errorf("we expected .spec.replicas to not be updated but it was updated to %v", pdb.Spec.MinAvailable) |
| } |
| if pdb.Status.ExpectedPods != 8 { |
| t.Errorf("we expected .status.replicas to be updated to %d but it was %v", 7, pdb.Status.ExpectedPods) |
| } |
| } |
| |
| func TestGet(t *testing.T) { |
| storage, _, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.Store.DestroyFunc() |
| test := genericregistrytest.New(t, storage.Store) |
| test.TestGet(validNewPodDisruptionBudget()) |
| } |
| |
| func TestList(t *testing.T) { |
| storage, _, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.Store.DestroyFunc() |
| test := genericregistrytest.New(t, storage.Store) |
| test.TestList(validNewPodDisruptionBudget()) |
| } |
| |
| func TestDelete(t *testing.T) { |
| storage, _, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.Store.DestroyFunc() |
| test := genericregistrytest.New(t, storage.Store) |
| test.TestDelete(validNewPodDisruptionBudget()) |
| } |
| |
| func TestWatch(t *testing.T) { |
| storage, _, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.Store.DestroyFunc() |
| test := genericregistrytest.New(t, storage.Store) |
| test.TestWatch( |
| validNewPodDisruptionBudget(), |
| // matching labels |
| []labels.Set{ |
| {"a": "b"}, |
| }, |
| // not matching labels |
| []labels.Set{ |
| {"a": "c"}, |
| {"foo": "bar"}, |
| }, |
| |
| // matching fields |
| []fields.Set{ |
| {"metadata.name": "foo"}, |
| }, |
| // not matching fields |
| []fields.Set{ |
| {"metadata.name": "bar"}, |
| }, |
| ) |
| } |
| |
| // TODO: Test generation number. |