/* Copyright 2015 The Kubernetes Authors All rights reserved. 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 etcd import ( "testing" "k8s.io/kubernetes/pkg/api" "k8s.io/kubernetes/pkg/api/testapi" "k8s.io/kubernetes/pkg/apis/extensions" "k8s.io/kubernetes/pkg/fields" "k8s.io/kubernetes/pkg/labels" "k8s.io/kubernetes/pkg/registry/registrytest" "k8s.io/kubernetes/pkg/runtime" "k8s.io/kubernetes/pkg/tools" "k8s.io/kubernetes/pkg/tools/etcdtest" "k8s.io/kubernetes/pkg/util" ) func newStorage(t *testing.T) (*DeploymentStorage, *tools.FakeEtcdClient) { etcdStorage, fakeClient := registrytest.NewEtcdStorage(t, "extensions") deploymentStorage := NewStorage(etcdStorage) return &deploymentStorage, fakeClient } var namespace = "foo-namespace" var name = "foo-deployment" func validNewDeployment() *extensions.Deployment { return &extensions.Deployment{ ObjectMeta: api.ObjectMeta{ Name: name, Namespace: namespace, }, Spec: extensions.DeploymentSpec{ Selector: map[string]string{"a": "b"}, Template: api.PodTemplateSpec{ ObjectMeta: api.ObjectMeta{ Labels: map[string]string{"a": "b"}, }, Spec: api.PodSpec{ Containers: []api.Container{ { Name: "test", Image: "test_image", ImagePullPolicy: api.PullIfNotPresent, }, }, RestartPolicy: api.RestartPolicyAlways, DNSPolicy: api.DNSClusterFirst, }, }, UniqueLabelKey: "my-label", Replicas: 7, }, Status: extensions.DeploymentStatus{ Replicas: 5, }, } } var validDeployment = *validNewDeployment() func validNewScale() *extensions.Scale { return &extensions.Scale{ ObjectMeta: api.ObjectMeta{Name: name, Namespace: namespace}, Spec: extensions.ScaleSpec{ Replicas: validDeployment.Spec.Replicas, }, Status: extensions.ScaleStatus{ Replicas: validDeployment.Status.Replicas, Selector: validDeployment.Spec.Template.Labels, }, } } var validScale = *validNewScale() func TestCreate(t *testing.T) { storage, fakeClient := newStorage(t) test := registrytest.New(t, fakeClient, storage.Deployment.Etcd) deployment := validNewDeployment() deployment.ObjectMeta = api.ObjectMeta{} test.TestCreate( // valid deployment, // invalid (invalid selector) &extensions.Deployment{ Spec: extensions.DeploymentSpec{ Selector: map[string]string{}, Template: validDeployment.Spec.Template, }, }, ) } func TestUpdate(t *testing.T) { storage, fakeClient := newStorage(t) test := registrytest.New(t, fakeClient, storage.Deployment.Etcd) test.TestUpdate( // valid validNewDeployment(), // updateFunc func(obj runtime.Object) runtime.Object { object := obj.(*extensions.Deployment) object.Spec.Template.Spec.NodeSelector = map[string]string{"c": "d"} return object }, // invalid updateFunc func(obj runtime.Object) runtime.Object { object := obj.(*extensions.Deployment) object.UID = "newUID" return object }, func(obj runtime.Object) runtime.Object { object := obj.(*extensions.Deployment) object.Name = "" return object }, func(obj runtime.Object) runtime.Object { object := obj.(*extensions.Deployment) object.Spec.Template.Spec.RestartPolicy = api.RestartPolicyOnFailure return object }, func(obj runtime.Object) runtime.Object { object := obj.(*extensions.Deployment) object.Spec.Selector = map[string]string{} return object }, ) } func TestDelete(t *testing.T) { storage, fakeClient := newStorage(t) test := registrytest.New(t, fakeClient, storage.Deployment.Etcd) test.TestDelete(validNewDeployment()) } func TestGet(t *testing.T) { storage, fakeClient := newStorage(t) test := registrytest.New(t, fakeClient, storage.Deployment.Etcd) test.TestGet(validNewDeployment()) } func TestList(t *testing.T) { storage, fakeClient := newStorage(t) test := registrytest.New(t, fakeClient, storage.Deployment.Etcd) test.TestList(validNewDeployment()) } func TestWatch(t *testing.T) { storage, fakeClient := newStorage(t) test := registrytest.New(t, fakeClient, storage.Deployment.Etcd) test.TestWatch( validNewDeployment(), // matching labels []labels.Set{}, // not matching labels []labels.Set{ {"a": "c"}, {"foo": "bar"}, }, // matching fields []fields.Set{ {"metadata.name": name}, }, // not matchin fields []fields.Set{ {"metadata.name": "bar"}, {"name": name}, }, ) } func TestScaleGet(t *testing.T) { storage, fakeClient := newStorage(t) ctx := api.WithNamespace(api.NewContext(), namespace) key := etcdtest.AddPrefix("/deployments/" + namespace + "/" + name) if _, err := fakeClient.Set(key, runtime.EncodeOrDie(testapi.Extensions.Codec(), &validDeployment), 0); err != nil { t.Fatalf("unexpected error: %v", err) } expect := &validScale obj, err := storage.Scale.Get(ctx, name) scale := obj.(*extensions.Scale) if err != nil { t.Fatalf("unexpected error: %v", err) } if e, a := expect, scale; !api.Semantic.DeepEqual(e, a) { t.Errorf("unexpected scale: %s", util.ObjectDiff(e, a)) } } func TestScaleUpdate(t *testing.T) { storage, fakeClient := newStorage(t) ctx := api.WithNamespace(api.NewContext(), namespace) key := etcdtest.AddPrefix("/deployments/" + namespace + "/" + name) if _, err := fakeClient.Set(key, runtime.EncodeOrDie(testapi.Extensions.Codec(), &validDeployment), 0); err != nil { t.Fatalf("unexpected error: %v", err) } replicas := 12 update := extensions.Scale{ ObjectMeta: api.ObjectMeta{Name: name, Namespace: namespace}, Spec: extensions.ScaleSpec{ Replicas: replicas, }, } if _, _, err := storage.Scale.Update(ctx, &update); err != nil { t.Fatalf("unexpected error: %v", err) } response, err := fakeClient.Get(key, false, false) if err != nil { t.Fatalf("unexpected error: %v", err) } var deployment extensions.Deployment testapi.Extensions.Codec().DecodeInto([]byte(response.Node.Value), &deployment) if deployment.Spec.Replicas != replicas { t.Errorf("wrong replicas count expected: %d got: %d", replicas, deployment.Spec.Replicas) } } func TestStatusUpdate(t *testing.T) { storage, fakeClient := newStorage(t) ctx := api.WithNamespace(api.NewContext(), namespace) key := etcdtest.AddPrefix("/deployments/" + namespace + "/" + name) if _, err := fakeClient.Set(key, runtime.EncodeOrDie(testapi.Extensions.Codec(), &validDeployment), 0); err != nil { t.Fatalf("unexpected error: %v", err) } update := extensions.Deployment{ ObjectMeta: validDeployment.ObjectMeta, Spec: extensions.DeploymentSpec{ Replicas: 100, }, Status: extensions.DeploymentStatus{ Replicas: 100, }, } if _, _, err := storage.Status.Update(ctx, &update); err != nil { t.Fatalf("unexpected error: %v", err) } response, err := fakeClient.Get(key, false, false) if err != nil { t.Fatalf("unexpected error: %v", err) } var deployment extensions.Deployment testapi.Extensions.Codec().DecodeInto([]byte(response.Node.Value), &deployment) if deployment.Spec.Replicas != 7 { t.Errorf("we expected .spec.replicas to not be updated but it was updated to %v", deployment.Spec.Replicas) } if deployment.Status.Replicas != 100 { t.Errorf("we expected .status.replicas to be updated to 100 but it was %v", deployment.Status.Replicas) } }