Add unit tests for registry/apiserverinternal/storageversion

pkg/registry/apiserverinternal/storageversion/storage/storage_test.go

@@ -0,0 +1,186 @@
+/*
+Copyright 2021 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 (
+	"fmt"
+	"testing"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/fields"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apiserver/pkg/registry/generic"
+	genericregistrytest "k8s.io/apiserver/pkg/registry/generic/testing"
+	etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
+	"k8s.io/kubernetes/pkg/apis/apiserverinternal"
+	"k8s.io/kubernetes/pkg/registry/registrytest"
+
+	// Ensure that admissionregistration package is initialized.
+	_ "k8s.io/kubernetes/pkg/apis/apiserverinternal/install"
+)
+
+func TestCreate(t *testing.T) {
+	storage, _, server := newStorage(t)
+	defer server.Terminate(t)
+	defer storage.Store.DestroyFunc()
+	test := genericregistrytest.New(t, storage.Store).ClusterScope().Namer(name).GeneratesName()
+	storageVersion := validStorageVersion()
+	test.TestCreate(
+		// valid
+		storageVersion,
+		// invalid
+		newStorageVersion(""),
+	)
+}
+
+func TestUpdate(t *testing.T) {
+	storage, _, server := newStorage(t)
+	defer server.Terminate(t)
+	defer storage.Store.DestroyFunc()
+	test := genericregistrytest.New(t, storage.Store).ClusterScope().Namer(name).GeneratesName()
+
+	test.TestUpdate(
+		// valid
+		validStorageVersion(),
+		// updateFunc
+		func(obj runtime.Object) runtime.Object {
+			object := obj.(*apiserverinternal.StorageVersion)
+			update := &apiserverinternal.StorageVersion{
+				ObjectMeta: object.ObjectMeta,
+			}
+			return update
+		},
+		// invalid updateFunc
+		func(obj runtime.Object) runtime.Object {
+			object := obj.(*apiserverinternal.StorageVersion)
+			object.Name = ""
+			return object
+		},
+	)
+}
+
+func TestGet(t *testing.T) {
+	storage, _, server := newStorage(t)
+	defer server.Terminate(t)
+	defer storage.Store.DestroyFunc()
+	test := genericregistrytest.New(t, storage.Store).ClusterScope().Namer(name)
+	test.TestGet(validStorageVersion())
+}
+
+func TestList(t *testing.T) {
+	storage, _, server := newStorage(t)
+	defer server.Terminate(t)
+	defer storage.Store.DestroyFunc()
+	test := genericregistrytest.New(t, storage.Store).ClusterScope().Namer(name)
+	test.TestList(validStorageVersion())
+}
+
+func TestDelete(t *testing.T) {
+	storage, _, server := newStorage(t)
+	defer server.Terminate(t)
+	defer storage.Store.DestroyFunc()
+	test := genericregistrytest.New(t, storage.Store).ClusterScope().Namer(name)
+	test.TestDelete(validStorageVersion())
+}
+
+func TestWatch(t *testing.T) {
+	storage, _, server := newStorage(t)
+	defer server.Terminate(t)
+	defer storage.Store.DestroyFunc()
+	test := genericregistrytest.New(t, storage.Store).ClusterScope().Namer(name).GeneratesName()
+	test.TestWatch(
+		validStorageVersion(),
+		[]labels.Set{},
+		[]labels.Set{
+			{"hoo": "bar"},
+		},
+		[]fields.Set{
+			{"metadata.name": "core.pods"},
+		},
+		[]fields.Set{
+			{"metadata.name": "nomatch"},
+		},
+	)
+}
+
+func name(i int) string {
+	return fmt.Sprintf("core.pods%d", i)
+}
+
+func validStorageVersion() *apiserverinternal.StorageVersion {
+	ssv1 := apiserverinternal.ServerStorageVersion{
+		APIServerID:       "1",
+		EncodingVersion:   "v1",
+		DecodableVersions: []string{"v1", "v2"},
+	}
+	ssv2 := apiserverinternal.ServerStorageVersion{
+		APIServerID:       "2",
+		EncodingVersion:   "v1",
+		DecodableVersions: []string{"v1", "v2"},
+	}
+	// ssv3 has a different encoding version
+	ssv3 := apiserverinternal.ServerStorageVersion{
+		APIServerID:       "3",
+		EncodingVersion:   "v2",
+		DecodableVersions: []string{"v1", "v2"},
+	}
+	return &apiserverinternal.StorageVersion{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "core.pods",
+		},
+		Status: apiserverinternal.StorageVersionStatus{
+			StorageVersions: []apiserverinternal.ServerStorageVersion{ssv1, ssv2, ssv3},
+			Conditions:      commonVersionFalseCondition(),
+		},
+	}
+}
+
+func commonVersionFalseCondition() []apiserverinternal.StorageVersionCondition {
+	return []apiserverinternal.StorageVersionCondition{{
+		Type:    apiserverinternal.AllEncodingVersionsEqual,
+		Status:  apiserverinternal.ConditionFalse,
+		Reason:  "CommonEncodingVersionUnset",
+		Message: "Common encoding version unset",
+	}}
+}
+func newStorageVersion(name string) *apiserverinternal.StorageVersion {
+	return &apiserverinternal.StorageVersion{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:   name,
+			Labels: map[string]string{"foo": "bar"},
+		},
+		Status: apiserverinternal.StorageVersionStatus{
+			Conditions: commonVersionFalseCondition(),
+		},
+	}
+}
+
+func newStorage(t *testing.T) (*REST, *StatusREST, *etcd3testing.EtcdTestServer) {
+	etcdStorage, server := registrytest.NewEtcdStorage(t, apiserverinternal.GroupName)
+	restOptions := generic.RESTOptions{
+		StorageConfig:           etcdStorage,
+		Decorator:               generic.UndecoratedStorage,
+		DeleteCollectionWorkers: 1,
+		ResourcePrefix:          "storageversions",
+	}
+	storageVersionStorage, statusStorage, err := NewREST(restOptions)
+	if err != nil {
+		t.Fatalf("unexpected error from REST storage: %v", err)
+	}
+	return storageVersionStorage, statusStorage, server
+}

pkg/registry/apiserverinternal/storageversion/strategy_test.go

@@ -0,0 +1,77 @@
+/*
+Copyright 2021 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 storageversion
+
+import (
+	"testing"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
+	"k8s.io/kubernetes/pkg/apis/apiserverinternal"
+)
+
+func TestStorageVersionStrategy(t *testing.T) {
+	ctx := genericapirequest.NewDefaultContext()
+	if Strategy.NamespaceScoped() {
+		t.Error("StorageVersion strategy must be cluster scoped")
+	}
+	if Strategy.AllowCreateOnUpdate() {
+		t.Errorf("StorageVersion should not allow create on update")
+	}
+
+	storageVersion := validStorageVersion()
+	Strategy.PrepareForCreate(ctx, storageVersion)
+	errs := Strategy.Validate(ctx, storageVersion)
+	if len(errs) != 0 {
+		t.Errorf("Unexpected error validating %v", errs)
+	}
+	storageVersionWithoutName := &apiserverinternal.StorageVersion{
+		ObjectMeta: metav1.ObjectMeta{Name: ""},
+	}
+	Strategy.PrepareForUpdate(ctx, storageVersionWithoutName, storageVersion)
+	errs = Strategy.ValidateUpdate(ctx, storageVersionWithoutName, storageVersion)
+	if len(errs) != 0 {
+		t.Errorf("Unexpected error validating %v", errs)
+	}
+}
+
+func validStorageVersion() *apiserverinternal.StorageVersion {
+	ssv1 := apiserverinternal.ServerStorageVersion{
+		APIServerID:       "1",
+		EncodingVersion:   "v1",
+		DecodableVersions: []string{"v1", "v2"},
+	}
+	ssv2 := apiserverinternal.ServerStorageVersion{
+		APIServerID:       "2",
+		EncodingVersion:   "v1",
+		DecodableVersions: []string{"v1", "v2"},
+	}
+	// ssv3 has a different encoding version
+	ssv3 := apiserverinternal.ServerStorageVersion{
+		APIServerID:       "3",
+		EncodingVersion:   "v2",
+		DecodableVersions: []string{"v1", "v2"},
+	}
+	return &apiserverinternal.StorageVersion{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "core.pods",
+		},
+		Status: apiserverinternal.StorageVersionStatus{
+			StorageVersions: []apiserverinternal.ServerStorageVersion{ssv1, ssv2, ssv3},
+		},
+	}
+}