716 lines
22 KiB
Go
716 lines
22 KiB
Go
/*
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Copyright 2016 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 etcd3
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import (
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"bytes"
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"fmt"
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"reflect"
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"sync"
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"testing"
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apitesting "k8s.io/apimachinery/pkg/api/testing"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/fields"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/serializer"
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"k8s.io/apimachinery/pkg/util/diff"
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"k8s.io/apimachinery/pkg/watch"
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"k8s.io/apiserver/pkg/apis/example"
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examplev1 "k8s.io/apiserver/pkg/apis/example/v1"
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"k8s.io/apiserver/pkg/storage"
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storagetests "k8s.io/apiserver/pkg/storage/tests"
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"k8s.io/apiserver/pkg/storage/value"
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"github.com/coreos/etcd/integration"
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"golang.org/x/net/context"
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)
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var scheme = runtime.NewScheme()
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var codecs = serializer.NewCodecFactory(scheme)
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func init() {
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metav1.AddToGroupVersion(scheme, metav1.SchemeGroupVersion)
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example.AddToScheme(scheme)
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examplev1.AddToScheme(scheme)
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}
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// prefixTransformer adds and verifies that all data has the correct prefix on its way in and out.
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type prefixTransformer struct {
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prefix []byte
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stale bool
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err error
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}
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func (p prefixTransformer) TransformFromStorage(b []byte, ctx value.Context) ([]byte, bool, error) {
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if ctx == nil {
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panic("no context provided")
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}
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if !bytes.HasPrefix(b, p.prefix) {
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return nil, false, fmt.Errorf("value does not have expected prefix: %s", string(b))
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}
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return bytes.TrimPrefix(b, p.prefix), p.stale, p.err
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}
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func (p prefixTransformer) TransformToStorage(b []byte, ctx value.Context) ([]byte, error) {
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if ctx == nil {
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panic("no context provided")
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}
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if len(b) > 0 {
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return append(append([]byte{}, p.prefix...), b...), p.err
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}
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return b, p.err
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}
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func TestCreate(t *testing.T) {
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ctx, store, cluster := testSetup(t)
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defer cluster.Terminate(t)
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etcdClient := cluster.RandClient()
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key := "/testkey"
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out := &example.Pod{}
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obj := &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}
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// verify that kv pair is empty before set
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getResp, err := etcdClient.KV.Get(ctx, key)
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if err != nil {
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t.Fatalf("etcdClient.KV.Get failed: %v", err)
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}
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if len(getResp.Kvs) != 0 {
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t.Fatalf("expecting empty result on key: %s", key)
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}
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err = store.Create(ctx, key, obj, out, 0)
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if err != nil {
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t.Fatalf("Set failed: %v", err)
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}
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// basic tests of the output
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if obj.ObjectMeta.Name != out.ObjectMeta.Name {
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t.Errorf("pod name want=%s, get=%s", obj.ObjectMeta.Name, out.ObjectMeta.Name)
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}
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if out.ResourceVersion == "" {
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t.Errorf("output should have non-empty resource version")
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}
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// verify that kv pair is not empty after set
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getResp, err = etcdClient.KV.Get(ctx, key)
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if err != nil {
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t.Fatalf("etcdClient.KV.Get failed: %v", err)
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}
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if len(getResp.Kvs) == 0 {
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t.Fatalf("expecting non empty result on key: %s", key)
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}
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}
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func TestCreateWithTTL(t *testing.T) {
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ctx, store, cluster := testSetup(t)
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defer cluster.Terminate(t)
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input := &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}
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key := "/somekey"
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out := &example.Pod{}
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if err := store.Create(ctx, key, input, out, 1); err != nil {
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t.Fatalf("Create failed: %v", err)
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}
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w, err := store.Watch(ctx, key, out.ResourceVersion, storage.Everything)
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if err != nil {
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t.Fatalf("Watch failed: %v", err)
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}
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testCheckEventType(t, watch.Deleted, w)
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}
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func TestCreateWithKeyExist(t *testing.T) {
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ctx, store, cluster := testSetup(t)
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defer cluster.Terminate(t)
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obj := &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}
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key, _ := testPropogateStore(ctx, t, store, obj)
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out := &example.Pod{}
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err := store.Create(ctx, key, obj, out, 0)
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if err == nil || !storage.IsNodeExist(err) {
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t.Errorf("expecting key exists error, but get: %s", err)
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}
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}
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func TestGet(t *testing.T) {
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ctx, store, cluster := testSetup(t)
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defer cluster.Terminate(t)
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key, storedObj := testPropogateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}})
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tests := []struct {
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key string
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ignoreNotFound bool
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expectNotFoundErr bool
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expectedOut *example.Pod
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}{{ // test get on existing item
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key: key,
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ignoreNotFound: false,
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expectNotFoundErr: false,
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expectedOut: storedObj,
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}, { // test get on non-existing item with ignoreNotFound=false
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key: "/non-existing",
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ignoreNotFound: false,
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expectNotFoundErr: true,
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}, { // test get on non-existing item with ignoreNotFound=true
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key: "/non-existing",
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ignoreNotFound: true,
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expectNotFoundErr: false,
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expectedOut: &example.Pod{},
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}}
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for i, tt := range tests {
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out := &example.Pod{}
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err := store.Get(ctx, tt.key, "", out, tt.ignoreNotFound)
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if tt.expectNotFoundErr {
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if err == nil || !storage.IsNotFound(err) {
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t.Errorf("#%d: expecting not found error, but get: %s", i, err)
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}
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continue
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}
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if err != nil {
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t.Fatalf("Get failed: %v", err)
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}
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if !reflect.DeepEqual(tt.expectedOut, out) {
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t.Errorf("#%d: pod want=%#v, get=%#v", i, tt.expectedOut, out)
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}
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}
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}
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func TestUnconditionalDelete(t *testing.T) {
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ctx, store, cluster := testSetup(t)
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defer cluster.Terminate(t)
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key, storedObj := testPropogateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}})
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tests := []struct {
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key string
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expectedObj *example.Pod
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expectNotFoundErr bool
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}{{ // test unconditional delete on existing key
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key: key,
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expectedObj: storedObj,
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expectNotFoundErr: false,
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}, { // test unconditional delete on non-existing key
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key: "/non-existing",
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expectedObj: nil,
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expectNotFoundErr: true,
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}}
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for i, tt := range tests {
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out := &example.Pod{} // reset
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err := store.Delete(ctx, tt.key, out, nil)
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if tt.expectNotFoundErr {
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if err == nil || !storage.IsNotFound(err) {
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t.Errorf("#%d: expecting not found error, but get: %s", i, err)
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}
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continue
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}
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if err != nil {
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t.Fatalf("Delete failed: %v", err)
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}
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if !reflect.DeepEqual(tt.expectedObj, out) {
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t.Errorf("#%d: pod want=%#v, get=%#v", i, tt.expectedObj, out)
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}
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}
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}
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func TestConditionalDelete(t *testing.T) {
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ctx, store, cluster := testSetup(t)
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defer cluster.Terminate(t)
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key, storedObj := testPropogateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", UID: "A"}})
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tests := []struct {
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precondition *storage.Preconditions
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expectInvalidObjErr bool
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}{{ // test conditional delete with UID match
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precondition: storage.NewUIDPreconditions("A"),
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expectInvalidObjErr: false,
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}, { // test conditional delete with UID mismatch
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precondition: storage.NewUIDPreconditions("B"),
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expectInvalidObjErr: true,
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}}
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for i, tt := range tests {
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out := &example.Pod{}
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err := store.Delete(ctx, key, out, tt.precondition)
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if tt.expectInvalidObjErr {
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if err == nil || !storage.IsInvalidObj(err) {
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t.Errorf("#%d: expecting invalid UID error, but get: %s", i, err)
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}
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continue
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}
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if err != nil {
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t.Fatalf("Delete failed: %v", err)
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}
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if !reflect.DeepEqual(storedObj, out) {
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t.Errorf("#%d: pod want=%#v, get=%#v", i, storedObj, out)
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}
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key, storedObj = testPropogateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", UID: "A"}})
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}
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}
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func TestGetToList(t *testing.T) {
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ctx, store, cluster := testSetup(t)
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defer cluster.Terminate(t)
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key, storedObj := testPropogateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}})
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tests := []struct {
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key string
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pred storage.SelectionPredicate
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expectedOut []*example.Pod
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}{{ // test GetToList on existing key
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key: key,
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pred: storage.Everything,
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expectedOut: []*example.Pod{storedObj},
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}, { // test GetToList on non-existing key
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key: "/non-existing",
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pred: storage.Everything,
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expectedOut: nil,
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}, { // test GetToList with matching pod name
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key: "/non-existing",
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pred: storage.SelectionPredicate{
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Label: labels.Everything(),
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Field: fields.ParseSelectorOrDie("metadata.name!=" + storedObj.Name),
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GetAttrs: func(obj runtime.Object) (labels.Set, fields.Set, error) {
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pod := obj.(*example.Pod)
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return nil, fields.Set{"metadata.name": pod.Name}, nil
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},
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},
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expectedOut: nil,
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}}
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for i, tt := range tests {
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out := &example.PodList{}
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err := store.GetToList(ctx, tt.key, "", tt.pred, out)
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if err != nil {
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t.Fatalf("GetToList failed: %v", err)
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}
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if len(out.Items) != len(tt.expectedOut) {
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t.Errorf("#%d: length of list want=%d, get=%d", i, len(tt.expectedOut), len(out.Items))
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continue
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}
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for j, wantPod := range tt.expectedOut {
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getPod := &out.Items[j]
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if !reflect.DeepEqual(wantPod, getPod) {
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t.Errorf("#%d: pod want=%#v, get=%#v", i, wantPod, getPod)
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}
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}
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}
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}
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func TestGuaranteedUpdate(t *testing.T) {
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ctx, store, cluster := testSetup(t)
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defer cluster.Terminate(t)
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key, storeObj := testPropogateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo", UID: "A"}})
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tests := []struct {
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key string
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ignoreNotFound bool
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precondition *storage.Preconditions
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expectNotFoundErr bool
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expectInvalidObjErr bool
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expectNoUpdate bool
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transformStale bool
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}{{ // GuaranteedUpdate on non-existing key with ignoreNotFound=false
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key: "/non-existing",
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ignoreNotFound: false,
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precondition: nil,
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expectNotFoundErr: true,
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expectInvalidObjErr: false,
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expectNoUpdate: false,
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}, { // GuaranteedUpdate on non-existing key with ignoreNotFound=true
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key: "/non-existing",
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ignoreNotFound: true,
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precondition: nil,
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expectNotFoundErr: false,
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expectInvalidObjErr: false,
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expectNoUpdate: false,
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}, { // GuaranteedUpdate on existing key
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key: key,
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ignoreNotFound: false,
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precondition: nil,
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expectNotFoundErr: false,
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expectInvalidObjErr: false,
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expectNoUpdate: false,
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}, { // GuaranteedUpdate with same data
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key: key,
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ignoreNotFound: false,
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precondition: nil,
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expectNotFoundErr: false,
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expectInvalidObjErr: false,
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expectNoUpdate: true,
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}, { // GuaranteedUpdate with same data but stale
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key: key,
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ignoreNotFound: false,
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precondition: nil,
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expectNotFoundErr: false,
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expectInvalidObjErr: false,
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expectNoUpdate: false,
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transformStale: true,
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}, { // GuaranteedUpdate with UID match
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key: key,
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ignoreNotFound: false,
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precondition: storage.NewUIDPreconditions("A"),
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expectNotFoundErr: false,
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expectInvalidObjErr: false,
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expectNoUpdate: true,
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}, { // GuaranteedUpdate with UID mismatch
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key: key,
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ignoreNotFound: false,
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precondition: storage.NewUIDPreconditions("B"),
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expectNotFoundErr: false,
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expectInvalidObjErr: true,
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expectNoUpdate: true,
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}}
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for i, tt := range tests {
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out := &example.Pod{}
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name := fmt.Sprintf("foo-%d", i)
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if tt.expectNoUpdate {
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name = storeObj.Name
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}
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originalTransformer := store.transformer.(prefixTransformer)
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if tt.transformStale {
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transformer := originalTransformer
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transformer.stale = true
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store.transformer = transformer
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}
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version := storeObj.ResourceVersion
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err := store.GuaranteedUpdate(ctx, tt.key, out, tt.ignoreNotFound, tt.precondition,
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storage.SimpleUpdate(func(obj runtime.Object) (runtime.Object, error) {
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if tt.expectNotFoundErr && tt.ignoreNotFound {
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if pod := obj.(*example.Pod); pod.Name != "" {
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t.Errorf("#%d: expecting zero value, but get=%#v", i, pod)
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}
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}
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pod := *storeObj
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pod.Name = name
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return &pod, nil
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}))
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store.transformer = originalTransformer
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if tt.expectNotFoundErr {
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if err == nil || !storage.IsNotFound(err) {
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t.Errorf("#%d: expecting not found error, but get: %v", i, err)
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}
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continue
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}
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if tt.expectInvalidObjErr {
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if err == nil || !storage.IsInvalidObj(err) {
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t.Errorf("#%d: expecting invalid UID error, but get: %s", i, err)
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}
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continue
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}
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if err != nil {
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t.Fatalf("GuaranteedUpdate failed: %v", err)
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}
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if out.ObjectMeta.Name != name {
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t.Errorf("#%d: pod name want=%s, get=%s", i, name, out.ObjectMeta.Name)
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}
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switch tt.expectNoUpdate {
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case true:
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if version != out.ResourceVersion {
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t.Errorf("#%d: expect no version change, before=%s, after=%s", i, version, out.ResourceVersion)
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}
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case false:
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if version == out.ResourceVersion {
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t.Errorf("#%d: expect version change, but get the same version=%s", i, version)
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}
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}
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storeObj = out
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}
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}
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func TestGuaranteedUpdateWithTTL(t *testing.T) {
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ctx, store, cluster := testSetup(t)
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defer cluster.Terminate(t)
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input := &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}
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key := "/somekey"
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out := &example.Pod{}
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err := store.GuaranteedUpdate(ctx, key, out, true, nil,
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func(_ runtime.Object, _ storage.ResponseMeta) (runtime.Object, *uint64, error) {
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ttl := uint64(1)
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return input, &ttl, nil
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})
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if err != nil {
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t.Fatalf("Create failed: %v", err)
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}
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w, err := store.Watch(ctx, key, out.ResourceVersion, storage.Everything)
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if err != nil {
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t.Fatalf("Watch failed: %v", err)
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}
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testCheckEventType(t, watch.Deleted, w)
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}
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func TestGuaranteedUpdateWithConflict(t *testing.T) {
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ctx, store, cluster := testSetup(t)
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defer cluster.Terminate(t)
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key, _ := testPropogateStore(ctx, t, store, &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}})
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errChan := make(chan error, 1)
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var firstToFinish sync.WaitGroup
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var secondToEnter sync.WaitGroup
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firstToFinish.Add(1)
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secondToEnter.Add(1)
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go func() {
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err := store.GuaranteedUpdate(ctx, key, &example.Pod{}, false, nil,
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storage.SimpleUpdate(func(obj runtime.Object) (runtime.Object, error) {
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pod := obj.(*example.Pod)
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pod.Name = "foo-1"
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secondToEnter.Wait()
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return pod, nil
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}))
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firstToFinish.Done()
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errChan <- err
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}()
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updateCount := 0
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err := store.GuaranteedUpdate(ctx, key, &example.Pod{}, false, nil,
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storage.SimpleUpdate(func(obj runtime.Object) (runtime.Object, error) {
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if updateCount == 0 {
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secondToEnter.Done()
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firstToFinish.Wait()
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}
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updateCount++
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pod := obj.(*example.Pod)
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pod.Name = "foo-2"
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return pod, nil
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}))
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if err != nil {
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t.Fatalf("Second GuaranteedUpdate error %#v", err)
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}
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if err := <-errChan; err != nil {
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t.Fatalf("First GuaranteedUpdate error %#v", err)
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}
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if updateCount != 2 {
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t.Errorf("Should have conflict and called update func twice")
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}
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}
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|
|
func TestTransformationFailure(t *testing.T) {
|
|
codec := apitesting.TestCodec(codecs, examplev1.SchemeGroupVersion)
|
|
cluster := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer cluster.Terminate(t)
|
|
store := newStore(cluster.RandClient(), false, codec, "", prefixTransformer{prefix: []byte("test!")})
|
|
ctx := context.Background()
|
|
|
|
preset := []struct {
|
|
key string
|
|
obj *example.Pod
|
|
storedObj *example.Pod
|
|
}{{
|
|
key: "/one-level/test",
|
|
obj: &example.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{Name: "bar"},
|
|
Spec: storagetests.DeepEqualSafePodSpec(),
|
|
},
|
|
}, {
|
|
key: "/two-level/1/test",
|
|
obj: &example.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{Name: "baz"},
|
|
Spec: storagetests.DeepEqualSafePodSpec(),
|
|
},
|
|
}}
|
|
for i, ps := range preset[:1] {
|
|
preset[i].storedObj = &example.Pod{}
|
|
err := store.Create(ctx, ps.key, ps.obj, preset[:1][i].storedObj, 0)
|
|
if err != nil {
|
|
t.Fatalf("Set failed: %v", err)
|
|
}
|
|
}
|
|
|
|
// create a second resource with an invalid prefix
|
|
oldTransformer := store.transformer
|
|
store.transformer = prefixTransformer{prefix: []byte("otherprefix!")}
|
|
for i, ps := range preset[1:] {
|
|
preset[1:][i].storedObj = &example.Pod{}
|
|
err := store.Create(ctx, ps.key, ps.obj, preset[1:][i].storedObj, 0)
|
|
if err != nil {
|
|
t.Fatalf("Set failed: %v", err)
|
|
}
|
|
}
|
|
store.transformer = oldTransformer
|
|
|
|
// only the first item is returned, and no error
|
|
var got example.PodList
|
|
if err := store.List(ctx, "/", "", storage.Everything, &got); err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
if e, a := []example.Pod{*preset[0].storedObj}, got.Items; !reflect.DeepEqual(e, a) {
|
|
t.Errorf("Unexpected: %s", diff.ObjectReflectDiff(e, a))
|
|
}
|
|
|
|
// Get should fail
|
|
if err := store.Get(ctx, preset[1].key, "", &example.Pod{}, false); !storage.IsInternalError(err) {
|
|
t.Errorf("Unexpected error: %v", err)
|
|
}
|
|
// GuaranteedUpdate without suggestion should return an error
|
|
if err := store.GuaranteedUpdate(ctx, preset[1].key, &example.Pod{}, false, nil, func(input runtime.Object, res storage.ResponseMeta) (output runtime.Object, ttl *uint64, err error) {
|
|
return input, nil, nil
|
|
}); !storage.IsInternalError(err) {
|
|
t.Errorf("Unexpected error: %v", err)
|
|
}
|
|
// GuaranteedUpdate with suggestion should not return an error if we don't change the object
|
|
if err := store.GuaranteedUpdate(ctx, preset[1].key, &example.Pod{}, false, nil, func(input runtime.Object, res storage.ResponseMeta) (output runtime.Object, ttl *uint64, err error) {
|
|
return input, nil, nil
|
|
}, preset[1].obj); err != nil {
|
|
t.Errorf("Unexpected error: %v", err)
|
|
}
|
|
|
|
// Delete succeeds but reports an error because we cannot access the body
|
|
if err := store.Delete(ctx, preset[1].key, &example.Pod{}, nil); !storage.IsInternalError(err) {
|
|
t.Errorf("Unexpected error: %v", err)
|
|
}
|
|
|
|
if err := store.Get(ctx, preset[1].key, "", &example.Pod{}, false); !storage.IsNotFound(err) {
|
|
t.Errorf("Unexpected error: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestList(t *testing.T) {
|
|
codec := apitesting.TestCodec(codecs, examplev1.SchemeGroupVersion)
|
|
cluster := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer cluster.Terminate(t)
|
|
store := newStore(cluster.RandClient(), false, codec, "", prefixTransformer{prefix: []byte("test!")})
|
|
ctx := context.Background()
|
|
|
|
// Setup storage with the following structure:
|
|
// /
|
|
// - one-level/
|
|
// | - test
|
|
// |
|
|
// - two-level/
|
|
// - 1/
|
|
// | - test
|
|
// |
|
|
// - 2/
|
|
// - test
|
|
preset := []struct {
|
|
key string
|
|
obj *example.Pod
|
|
storedObj *example.Pod
|
|
}{{
|
|
key: "/one-level/test",
|
|
obj: &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
|
|
}, {
|
|
key: "/two-level/1/test",
|
|
obj: &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
|
|
}, {
|
|
key: "/two-level/2/test",
|
|
obj: &example.Pod{ObjectMeta: metav1.ObjectMeta{Name: "bar"}},
|
|
}}
|
|
|
|
for i, ps := range preset {
|
|
preset[i].storedObj = &example.Pod{}
|
|
err := store.Create(ctx, ps.key, ps.obj, preset[i].storedObj, 0)
|
|
if err != nil {
|
|
t.Fatalf("Set failed: %v", err)
|
|
}
|
|
}
|
|
|
|
tests := []struct {
|
|
prefix string
|
|
pred storage.SelectionPredicate
|
|
expectedOut []*example.Pod
|
|
}{{ // test List on existing key
|
|
prefix: "/one-level/",
|
|
pred: storage.Everything,
|
|
expectedOut: []*example.Pod{preset[0].storedObj},
|
|
}, { // test List on non-existing key
|
|
prefix: "/non-existing/",
|
|
pred: storage.Everything,
|
|
expectedOut: nil,
|
|
}, { // test List with pod name matching
|
|
prefix: "/one-level/",
|
|
pred: storage.SelectionPredicate{
|
|
Label: labels.Everything(),
|
|
Field: fields.ParseSelectorOrDie("metadata.name!=" + preset[0].storedObj.Name),
|
|
GetAttrs: func(obj runtime.Object) (labels.Set, fields.Set, error) {
|
|
pod := obj.(*example.Pod)
|
|
return nil, fields.Set{"metadata.name": pod.Name}, nil
|
|
},
|
|
},
|
|
expectedOut: nil,
|
|
}, { // test List with multiple levels of directories and expect flattened result
|
|
prefix: "/two-level/",
|
|
pred: storage.Everything,
|
|
expectedOut: []*example.Pod{preset[1].storedObj, preset[2].storedObj},
|
|
}}
|
|
|
|
for i, tt := range tests {
|
|
out := &example.PodList{}
|
|
err := store.List(ctx, tt.prefix, "0", tt.pred, out)
|
|
if err != nil {
|
|
t.Fatalf("List failed: %v", err)
|
|
}
|
|
if len(tt.expectedOut) != len(out.Items) {
|
|
t.Errorf("#%d: length of list want=%d, get=%d", i, len(tt.expectedOut), len(out.Items))
|
|
continue
|
|
}
|
|
for j, wantPod := range tt.expectedOut {
|
|
getPod := &out.Items[j]
|
|
if !reflect.DeepEqual(wantPod, getPod) {
|
|
t.Errorf("#%d: pod want=%#v, get=%#v", i, wantPod, getPod)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func testSetup(t *testing.T) (context.Context, *store, *integration.ClusterV3) {
|
|
codec := apitesting.TestCodec(codecs, examplev1.SchemeGroupVersion)
|
|
cluster := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
store := newStore(cluster.RandClient(), false, codec, "", prefixTransformer{prefix: []byte("test!")})
|
|
ctx := context.Background()
|
|
return ctx, store, cluster
|
|
}
|
|
|
|
// testPropogateStore helps propogates store with objects, automates key generation, and returns
|
|
// keys and stored objects.
|
|
func testPropogateStore(ctx context.Context, t *testing.T, store *store, obj *example.Pod) (string, *example.Pod) {
|
|
// Setup store with a key and grab the output for returning.
|
|
key := "/testkey"
|
|
setOutput := &example.Pod{}
|
|
err := store.Create(ctx, key, obj, setOutput, 0)
|
|
if err != nil {
|
|
t.Fatalf("Set failed: %v", err)
|
|
}
|
|
return key, setOutput
|
|
}
|
|
|
|
func TestPrefix(t *testing.T) {
|
|
codec := apitesting.TestCodec(codecs, examplev1.SchemeGroupVersion)
|
|
cluster := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
|
|
defer cluster.Terminate(t)
|
|
transformer := prefixTransformer{prefix: []byte("test!")}
|
|
testcases := map[string]string{
|
|
"custom/prefix": "/custom/prefix",
|
|
"/custom//prefix//": "/custom/prefix",
|
|
"/registry": "/registry",
|
|
}
|
|
for configuredPrefix, effectivePrefix := range testcases {
|
|
store := newStore(cluster.RandClient(), false, codec, configuredPrefix, transformer)
|
|
if store.pathPrefix != effectivePrefix {
|
|
t.Errorf("configured prefix of %s, expected effective prefix of %s, got %s", configuredPrefix, effectivePrefix, store.pathPrefix)
|
|
}
|
|
}
|
|
}
|