ceph-csi/vendor/k8s.io/client-go/dynamic/client_test.go
2019-01-14 20:15:09 +00:00

635 lines
19 KiB
Go

/*
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 dynamic
import (
"bytes"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"reflect"
"testing"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime/serializer/streaming"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/watch"
restclient "k8s.io/client-go/rest"
restclientwatch "k8s.io/client-go/rest/watch"
)
func getJSON(version, kind, name string) []byte {
return []byte(fmt.Sprintf(`{"apiVersion": %q, "kind": %q, "metadata": {"name": %q}}`, version, kind, name))
}
func getListJSON(version, kind string, items ...[]byte) []byte {
json := fmt.Sprintf(`{"apiVersion": %q, "kind": %q, "items": [%s]}`,
version, kind, bytes.Join(items, []byte(",")))
return []byte(json)
}
func getObject(version, kind, name string) *unstructured.Unstructured {
return &unstructured.Unstructured{
Object: map[string]interface{}{
"apiVersion": version,
"kind": kind,
"metadata": map[string]interface{}{
"name": name,
},
},
}
}
func getClientServer(gv *schema.GroupVersion, h func(http.ResponseWriter, *http.Request)) (Interface, *httptest.Server, error) {
srv := httptest.NewServer(http.HandlerFunc(h))
cl, err := NewClient(&restclient.Config{
Host: srv.URL,
ContentConfig: restclient.ContentConfig{GroupVersion: gv},
})
if err != nil {
srv.Close()
return nil, nil, err
}
return cl, srv, nil
}
func TestList(t *testing.T) {
tcs := []struct {
name string
namespace string
path string
resp []byte
want *unstructured.UnstructuredList
}{
{
name: "normal_list",
path: "/api/gtest/vtest/rtest",
resp: getListJSON("vTest", "rTestList",
getJSON("vTest", "rTest", "item1"),
getJSON("vTest", "rTest", "item2")),
want: &unstructured.UnstructuredList{
Object: map[string]interface{}{
"apiVersion": "vTest",
"kind": "rTestList",
},
Items: []unstructured.Unstructured{
*getObject("vTest", "rTest", "item1"),
*getObject("vTest", "rTest", "item2"),
},
},
},
{
name: "namespaced_list",
namespace: "nstest",
path: "/api/gtest/vtest/namespaces/nstest/rtest",
resp: getListJSON("vTest", "rTestList",
getJSON("vTest", "rTest", "item1"),
getJSON("vTest", "rTest", "item2")),
want: &unstructured.UnstructuredList{
Object: map[string]interface{}{
"apiVersion": "vTest",
"kind": "rTestList",
},
Items: []unstructured.Unstructured{
*getObject("vTest", "rTest", "item1"),
*getObject("vTest", "rTest", "item2"),
},
},
},
}
for _, tc := range tcs {
gv := &schema.GroupVersion{Group: "gtest", Version: "vtest"}
resource := &metav1.APIResource{Name: "rtest", Namespaced: len(tc.namespace) != 0}
cl, srv, err := getClientServer(gv, func(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
t.Errorf("List(%q) got HTTP method %s. wanted GET", tc.name, r.Method)
}
if r.URL.Path != tc.path {
t.Errorf("List(%q) got path %s. wanted %s", tc.name, r.URL.Path, tc.path)
}
w.Header().Set("Content-Type", runtime.ContentTypeJSON)
w.Write(tc.resp)
})
if err != nil {
t.Errorf("unexpected error when creating client: %v", err)
continue
}
defer srv.Close()
got, err := cl.Resource(resource, tc.namespace).List(metav1.ListOptions{})
if err != nil {
t.Errorf("unexpected error when listing %q: %v", tc.name, err)
continue
}
if !reflect.DeepEqual(got, tc.want) {
t.Errorf("List(%q) want: %v\ngot: %v", tc.name, tc.want, got)
}
}
}
func TestGet(t *testing.T) {
tcs := []struct {
resource string
namespace string
name string
path string
resp []byte
want *unstructured.Unstructured
}{
{
resource: "rtest",
name: "normal_get",
path: "/api/gtest/vtest/rtest/normal_get",
resp: getJSON("vTest", "rTest", "normal_get"),
want: getObject("vTest", "rTest", "normal_get"),
},
{
resource: "rtest",
namespace: "nstest",
name: "namespaced_get",
path: "/api/gtest/vtest/namespaces/nstest/rtest/namespaced_get",
resp: getJSON("vTest", "rTest", "namespaced_get"),
want: getObject("vTest", "rTest", "namespaced_get"),
},
{
resource: "rtest/srtest",
name: "normal_subresource_get",
path: "/api/gtest/vtest/rtest/normal_subresource_get/srtest",
resp: getJSON("vTest", "srTest", "normal_subresource_get"),
want: getObject("vTest", "srTest", "normal_subresource_get"),
},
{
resource: "rtest/srtest",
namespace: "nstest",
name: "namespaced_subresource_get",
path: "/api/gtest/vtest/namespaces/nstest/rtest/namespaced_subresource_get/srtest",
resp: getJSON("vTest", "srTest", "namespaced_subresource_get"),
want: getObject("vTest", "srTest", "namespaced_subresource_get"),
},
}
for _, tc := range tcs {
gv := &schema.GroupVersion{Group: "gtest", Version: "vtest"}
resource := &metav1.APIResource{Name: tc.resource, Namespaced: len(tc.namespace) != 0}
cl, srv, err := getClientServer(gv, func(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
t.Errorf("Get(%q) got HTTP method %s. wanted GET", tc.name, r.Method)
}
if r.URL.Path != tc.path {
t.Errorf("Get(%q) got path %s. wanted %s", tc.name, r.URL.Path, tc.path)
}
w.Header().Set("Content-Type", runtime.ContentTypeJSON)
w.Write(tc.resp)
})
if err != nil {
t.Errorf("unexpected error when creating client: %v", err)
continue
}
defer srv.Close()
got, err := cl.Resource(resource, tc.namespace).Get(tc.name, metav1.GetOptions{})
if err != nil {
t.Errorf("unexpected error when getting %q: %v", tc.name, err)
continue
}
if !reflect.DeepEqual(got, tc.want) {
t.Errorf("Get(%q) want: %v\ngot: %v", tc.name, tc.want, got)
}
}
}
func TestDelete(t *testing.T) {
statusOK := &metav1.Status{
TypeMeta: metav1.TypeMeta{Kind: "Status"},
Status: metav1.StatusSuccess,
}
tcs := []struct {
namespace string
name string
path string
}{
{
name: "normal_delete",
path: "/api/gtest/vtest/rtest/normal_delete",
},
{
namespace: "nstest",
name: "namespaced_delete",
path: "/api/gtest/vtest/namespaces/nstest/rtest/namespaced_delete",
},
}
for _, tc := range tcs {
gv := &schema.GroupVersion{Group: "gtest", Version: "vtest"}
resource := &metav1.APIResource{Name: "rtest", Namespaced: len(tc.namespace) != 0}
cl, srv, err := getClientServer(gv, func(w http.ResponseWriter, r *http.Request) {
if r.Method != "DELETE" {
t.Errorf("Delete(%q) got HTTP method %s. wanted DELETE", tc.name, r.Method)
}
if r.URL.Path != tc.path {
t.Errorf("Delete(%q) got path %s. wanted %s", tc.name, r.URL.Path, tc.path)
}
w.Header().Set("Content-Type", runtime.ContentTypeJSON)
unstructured.UnstructuredJSONScheme.Encode(statusOK, w)
})
if err != nil {
t.Errorf("unexpected error when creating client: %v", err)
continue
}
defer srv.Close()
err = cl.Resource(resource, tc.namespace).Delete(tc.name, nil)
if err != nil {
t.Errorf("unexpected error when deleting %q: %v", tc.name, err)
continue
}
}
}
func TestDeleteCollection(t *testing.T) {
statusOK := &metav1.Status{
TypeMeta: metav1.TypeMeta{Kind: "Status"},
Status: metav1.StatusSuccess,
}
tcs := []struct {
namespace string
name string
path string
}{
{
name: "normal_delete_collection",
path: "/api/gtest/vtest/rtest",
},
{
namespace: "nstest",
name: "namespaced_delete_collection",
path: "/api/gtest/vtest/namespaces/nstest/rtest",
},
}
for _, tc := range tcs {
gv := &schema.GroupVersion{Group: "gtest", Version: "vtest"}
resource := &metav1.APIResource{Name: "rtest", Namespaced: len(tc.namespace) != 0}
cl, srv, err := getClientServer(gv, func(w http.ResponseWriter, r *http.Request) {
if r.Method != "DELETE" {
t.Errorf("DeleteCollection(%q) got HTTP method %s. wanted DELETE", tc.name, r.Method)
}
if r.URL.Path != tc.path {
t.Errorf("DeleteCollection(%q) got path %s. wanted %s", tc.name, r.URL.Path, tc.path)
}
w.Header().Set("Content-Type", runtime.ContentTypeJSON)
unstructured.UnstructuredJSONScheme.Encode(statusOK, w)
})
if err != nil {
t.Errorf("unexpected error when creating client: %v", err)
continue
}
defer srv.Close()
err = cl.Resource(resource, tc.namespace).DeleteCollection(nil, metav1.ListOptions{})
if err != nil {
t.Errorf("unexpected error when deleting collection %q: %v", tc.name, err)
continue
}
}
}
func TestCreate(t *testing.T) {
tcs := []struct {
resource string
name string
namespace string
obj *unstructured.Unstructured
path string
}{
{
resource: "rtest",
name: "normal_create",
path: "/api/gtest/vtest/rtest",
obj: getObject("vTest", "rTest", "normal_create"),
},
{
resource: "rtest",
name: "namespaced_create",
namespace: "nstest",
path: "/api/gtest/vtest/namespaces/nstest/rtest",
obj: getObject("vTest", "rTest", "namespaced_create"),
},
{
resource: "rtest/srtest",
name: "normal_subresource_create",
path: "/api/gtest/vtest/rtest/normal_subresource_create/srtest",
obj: getObject("vTest", "srTest", "normal_subresource_create"),
},
{
resource: "rtest/srtest",
name: "namespaced_subresource_create",
namespace: "nstest",
path: "/api/gtest/vtest/namespaces/nstest/rtest/namespaced_subresource_create/srtest",
obj: getObject("vTest", "srTest", "namespaced_subresource_create"),
},
}
for _, tc := range tcs {
gv := &schema.GroupVersion{Group: "gtest", Version: "vtest"}
resource := &metav1.APIResource{Name: tc.resource, Namespaced: len(tc.namespace) != 0}
cl, srv, err := getClientServer(gv, func(w http.ResponseWriter, r *http.Request) {
if r.Method != "POST" {
t.Errorf("Create(%q) got HTTP method %s. wanted POST", tc.name, r.Method)
}
if r.URL.Path != tc.path {
t.Errorf("Create(%q) got path %s. wanted %s", tc.name, r.URL.Path, tc.path)
}
w.Header().Set("Content-Type", runtime.ContentTypeJSON)
data, err := ioutil.ReadAll(r.Body)
if err != nil {
t.Errorf("Create(%q) unexpected error reading body: %v", tc.name, err)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Write(data)
})
if err != nil {
t.Errorf("unexpected error when creating client: %v", err)
continue
}
defer srv.Close()
got, err := cl.Resource(resource, tc.namespace).Create(tc.obj)
if err != nil {
t.Errorf("unexpected error when creating %q: %v", tc.name, err)
continue
}
if !reflect.DeepEqual(got, tc.obj) {
t.Errorf("Create(%q) want: %v\ngot: %v", tc.name, tc.obj, got)
}
}
}
func TestUpdate(t *testing.T) {
tcs := []struct {
resource string
name string
namespace string
obj *unstructured.Unstructured
path string
}{
{
resource: "rtest",
name: "normal_update",
path: "/api/gtest/vtest/rtest/normal_update",
obj: getObject("vTest", "rTest", "normal_update"),
},
{
resource: "rtest",
name: "namespaced_update",
namespace: "nstest",
path: "/api/gtest/vtest/namespaces/nstest/rtest/namespaced_update",
obj: getObject("vTest", "rTest", "namespaced_update"),
},
{
resource: "rtest/srtest",
name: "normal_subresource_update",
path: "/api/gtest/vtest/rtest/normal_update/srtest",
obj: getObject("vTest", "srTest", "normal_update"),
},
{
resource: "rtest/srtest",
name: "namespaced_subresource_update",
namespace: "nstest",
path: "/api/gtest/vtest/namespaces/nstest/rtest/namespaced_update/srtest",
obj: getObject("vTest", "srTest", "namespaced_update"),
},
}
for _, tc := range tcs {
gv := &schema.GroupVersion{Group: "gtest", Version: "vtest"}
resource := &metav1.APIResource{Name: tc.resource, Namespaced: len(tc.namespace) != 0}
cl, srv, err := getClientServer(gv, func(w http.ResponseWriter, r *http.Request) {
if r.Method != "PUT" {
t.Errorf("Update(%q) got HTTP method %s. wanted PUT", tc.name, r.Method)
}
if r.URL.Path != tc.path {
t.Errorf("Update(%q) got path %s. wanted %s", tc.name, r.URL.Path, tc.path)
}
w.Header().Set("Content-Type", runtime.ContentTypeJSON)
data, err := ioutil.ReadAll(r.Body)
if err != nil {
t.Errorf("Update(%q) unexpected error reading body: %v", tc.name, err)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Write(data)
})
if err != nil {
t.Errorf("unexpected error when creating client: %v", err)
continue
}
defer srv.Close()
got, err := cl.Resource(resource, tc.namespace).Update(tc.obj)
if err != nil {
t.Errorf("unexpected error when updating %q: %v", tc.name, err)
continue
}
if !reflect.DeepEqual(got, tc.obj) {
t.Errorf("Update(%q) want: %v\ngot: %v", tc.name, tc.obj, got)
}
}
}
func TestWatch(t *testing.T) {
tcs := []struct {
name string
namespace string
events []watch.Event
path string
query string
}{
{
name: "normal_watch",
path: "/api/gtest/vtest/rtest",
query: "watch=true",
events: []watch.Event{
{Type: watch.Added, Object: getObject("vTest", "rTest", "normal_watch")},
{Type: watch.Modified, Object: getObject("vTest", "rTest", "normal_watch")},
{Type: watch.Deleted, Object: getObject("vTest", "rTest", "normal_watch")},
},
},
{
name: "namespaced_watch",
namespace: "nstest",
path: "/api/gtest/vtest/namespaces/nstest/rtest",
query: "watch=true",
events: []watch.Event{
{Type: watch.Added, Object: getObject("vTest", "rTest", "namespaced_watch")},
{Type: watch.Modified, Object: getObject("vTest", "rTest", "namespaced_watch")},
{Type: watch.Deleted, Object: getObject("vTest", "rTest", "namespaced_watch")},
},
},
}
for _, tc := range tcs {
gv := &schema.GroupVersion{Group: "gtest", Version: "vtest"}
resource := &metav1.APIResource{Name: "rtest", Namespaced: len(tc.namespace) != 0}
cl, srv, err := getClientServer(gv, func(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
t.Errorf("Watch(%q) got HTTP method %s. wanted GET", tc.name, r.Method)
}
if r.URL.Path != tc.path {
t.Errorf("Watch(%q) got path %s. wanted %s", tc.name, r.URL.Path, tc.path)
}
if r.URL.RawQuery != tc.query {
t.Errorf("Watch(%q) got query %s. wanted %s", tc.name, r.URL.RawQuery, tc.query)
}
enc := restclientwatch.NewEncoder(streaming.NewEncoder(w, dynamicCodec{}), dynamicCodec{})
for _, e := range tc.events {
enc.Encode(&e)
}
})
if err != nil {
t.Errorf("unexpected error when creating client: %v", err)
continue
}
defer srv.Close()
watcher, err := cl.Resource(resource, tc.namespace).Watch(metav1.ListOptions{})
if err != nil {
t.Errorf("unexpected error when watching %q: %v", tc.name, err)
continue
}
for _, want := range tc.events {
got := <-watcher.ResultChan()
if !reflect.DeepEqual(got, want) {
t.Errorf("Watch(%q) want: %v\ngot: %v", tc.name, want, got)
}
}
}
}
func TestPatch(t *testing.T) {
tcs := []struct {
resource string
name string
namespace string
patch []byte
want *unstructured.Unstructured
path string
}{
{
resource: "rtest",
name: "normal_patch",
path: "/api/gtest/vtest/rtest/normal_patch",
patch: getJSON("vTest", "rTest", "normal_patch"),
want: getObject("vTest", "rTest", "normal_patch"),
},
{
resource: "rtest",
name: "namespaced_patch",
namespace: "nstest",
path: "/api/gtest/vtest/namespaces/nstest/rtest/namespaced_patch",
patch: getJSON("vTest", "rTest", "namespaced_patch"),
want: getObject("vTest", "rTest", "namespaced_patch"),
},
{
resource: "rtest/srtest",
name: "normal_subresource_patch",
path: "/api/gtest/vtest/rtest/normal_subresource_patch/srtest",
patch: getJSON("vTest", "srTest", "normal_subresource_patch"),
want: getObject("vTest", "srTest", "normal_subresource_patch"),
},
{
resource: "rtest/srtest",
name: "namespaced_subresource_patch",
namespace: "nstest",
path: "/api/gtest/vtest/namespaces/nstest/rtest/namespaced_subresource_patch/srtest",
patch: getJSON("vTest", "srTest", "namespaced_subresource_patch"),
want: getObject("vTest", "srTest", "namespaced_subresource_patch"),
},
}
for _, tc := range tcs {
gv := &schema.GroupVersion{Group: "gtest", Version: "vtest"}
resource := &metav1.APIResource{Name: tc.resource, Namespaced: len(tc.namespace) != 0}
cl, srv, err := getClientServer(gv, func(w http.ResponseWriter, r *http.Request) {
if r.Method != "PATCH" {
t.Errorf("Patch(%q) got HTTP method %s. wanted PATCH", tc.name, r.Method)
}
if r.URL.Path != tc.path {
t.Errorf("Patch(%q) got path %s. wanted %s", tc.name, r.URL.Path, tc.path)
}
content := r.Header.Get("Content-Type")
if content != string(types.StrategicMergePatchType) {
t.Errorf("Patch(%q) got Content-Type %s. wanted %s", tc.name, content, types.StrategicMergePatchType)
}
data, err := ioutil.ReadAll(r.Body)
if err != nil {
t.Errorf("Patch(%q) unexpected error reading body: %v", tc.name, err)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.Write(data)
})
if err != nil {
t.Errorf("unexpected error when creating client: %v", err)
continue
}
defer srv.Close()
got, err := cl.Resource(resource, tc.namespace).Patch(tc.name, types.StrategicMergePatchType, tc.patch)
if err != nil {
t.Errorf("unexpected error when patching %q: %v", tc.name, err)
continue
}
if !reflect.DeepEqual(got, tc.want) {
t.Errorf("Patch(%q) want: %v\ngot: %v", tc.name, tc.want, got)
}
}
}
func TestVersionedParameterEncoderWithV1Fallback(t *testing.T) {
enc := VersionedParameterEncoderWithV1Fallback
_, err := enc.EncodeParameters(&metav1.ListOptions{}, schema.GroupVersion{Group: "foo.bar.com", Version: "v4"})
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
}