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/*
Copyright 2015 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 test
import (
"fmt"
"reflect"
"strconv"
"strings"
"testing"
"time"
apitesting "k8s.io/apimachinery/pkg/api/apitesting"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/apis/testapigroup"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
)
func TestDecodeUnstructured(t *testing.T) {
groupVersionString := "v1"
rawJson := fmt.Sprintf(`{"kind":"Pod","apiVersion":"%s","metadata":{"name":"test"}}`, groupVersionString)
pl := &List{
Items: []runtime.Object{
&testapigroup.Carp{ObjectMeta: metav1.ObjectMeta{Name: "1"}},
&runtime.Unknown{
TypeMeta: runtime.TypeMeta{Kind: "Pod", APIVersion: groupVersionString},
Raw: []byte(rawJson),
ContentType: runtime.ContentTypeJSON,
},
&runtime.Unknown{
TypeMeta: runtime.TypeMeta{Kind: "", APIVersion: groupVersionString},
Raw: []byte(rawJson),
ContentType: runtime.ContentTypeJSON,
},
&unstructured.Unstructured{
Object: map[string]interface{}{
"kind": "Foo",
"apiVersion": "Bar",
"test": "value",
},
},
},
}
if errs := runtime.DecodeList(pl.Items, unstructured.UnstructuredJSONScheme); len(errs) == 1 {
t.Fatalf("unexpected error %v", errs)
}
if pod, ok := pl.Items[1].(*unstructured.Unstructured); !ok || pod.Object["kind"] != "Pod" || pod.Object["metadata"].(map[string]interface{})["name"] != "test" {
t.Errorf("object not converted: %#v", pl.Items[1])
}
if pod, ok := pl.Items[2].(*unstructured.Unstructured); !ok || pod.Object["kind"] != "Pod" || pod.Object["metadata"].(map[string]interface{})["name"] != "test" {
t.Errorf("object not converted: %#v", pl.Items[2])
}
}
func TestDecode(t *testing.T) {
tcs := []struct {
json []byte
want runtime.Object
}{
{
json: []byte(`{"apiVersion": "test", "kind": "test_kind"}`),
want: &unstructured.Unstructured{
Object: map[string]interface{}{"apiVersion": "test", "kind": "test_kind"},
},
},
{
json: []byte(`{"apiVersion": "test", "kind": "test_list", "items": []}`),
want: &unstructured.UnstructuredList{
Object: map[string]interface{}{"apiVersion": "test", "kind": "test_list"},
Items: []unstructured.Unstructured{},
},
},
{
json: []byte(`{"items": [{"metadata": {"name": "object1", "deletionGracePeriodSeconds": 10}, "apiVersion": "test", "kind": "test_kind"}, {"metadata": {"name": "object2"}, "apiVersion": "test", "kind": "test_kind"}], "apiVersion": "test", "kind": "test_list"}`),
want: &unstructured.UnstructuredList{
Object: map[string]interface{}{"apiVersion": "test", "kind": "test_list"},
Items: []unstructured.Unstructured{
{
Object: map[string]interface{}{
"metadata": map[string]interface{}{"name": "object1", "deletionGracePeriodSeconds": int64(10)},
"apiVersion": "test",
"kind": "test_kind",
},
},
{
Object: map[string]interface{}{
"metadata": map[string]interface{}{"name": "object2"},
"apiVersion": "test",
"kind": "test_kind",
},
},
},
},
},
}
for _, tc := range tcs {
got, _, err := unstructured.UnstructuredJSONScheme.Decode(tc.json, nil, nil)
if err != nil {
t.Errorf("Unexpected error for %q: %v", string(tc.json), err)
continue
}
if !reflect.DeepEqual(got, tc.want) {
t.Errorf("Decode(%q) want: %v\ngot: %v", string(tc.json), tc.want, got)
}
}
}
func TestUnstructuredGetters(t *testing.T) {
trueVar := true
ten := int64(10)
unstruct := unstructured.Unstructured{
Object: map[string]interface{}{
"kind": "test_kind",
"apiVersion": "test_version",
"metadata": map[string]interface{}{
"name": "test_name",
"namespace": "test_namespace",
"generateName": "test_generateName",
"uid": "test_uid",
"resourceVersion": "test_resourceVersion",
"generation": ten,
"deletionGracePeriodSeconds": ten,
"selfLink": "test_selfLink",
"creationTimestamp": "2009-11-10T23:00:00Z",
"deletionTimestamp": "2010-11-10T23:00:00Z",
"labels": map[string]interface{}{
"test_label": "test_value",
},
"annotations": map[string]interface{}{
"test_annotation": "test_value",
},
"ownerReferences": []interface{}{
map[string]interface{}{
"kind": "Pod",
"name": "poda",
"apiVersion": "v1",
"uid": "1",
},
map[string]interface{}{
"kind": "Pod",
"name": "podb",
"apiVersion": "v1",
"uid": "2",
// though these fields are of type *bool, but when
// decoded from JSON, they are unmarshalled as bool.
"controller": true,
"blockOwnerDeletion": true,
},
},
"finalizers": []interface{}{
"finalizer.1",
"finalizer.2",
},
"clusterName": "cluster123",
},
},
}
if got, want := unstruct.GetAPIVersion(), "test_version"; got != want {
t.Errorf("GetAPIVersions() = %s, want %s", got, want)
}
if got, want := unstruct.GetKind(), "test_kind"; got != want {
t.Errorf("GetKind() = %s, want %s", got, want)
}
if got, want := unstruct.GetNamespace(), "test_namespace"; got != want {
t.Errorf("GetNamespace() = %s, want %s", got, want)
}
if got, want := unstruct.GetName(), "test_name"; got != want {
t.Errorf("GetName() = %s, want %s", got, want)
}
if got, want := unstruct.GetGenerateName(), "test_generateName"; got != want {
t.Errorf("GetGenerateName() = %s, want %s", got, want)
}
if got, want := unstruct.GetUID(), types.UID("test_uid"); got != want {
t.Errorf("GetUID() = %s, want %s", got, want)
}
if got, want := unstruct.GetResourceVersion(), "test_resourceVersion"; got != want {
t.Errorf("GetResourceVersion() = %s, want %s", got, want)
}
if got, want := unstruct.GetSelfLink(), "test_selfLink"; got != want {
t.Errorf("GetSelfLink() = %s, want %s", got, want)
}
if got, want := unstruct.GetCreationTimestamp(), metav1.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC); !got.Equal(&want) {
t.Errorf("GetCreationTimestamp() = %s, want %s", got, want)
}
if got, want := unstruct.GetDeletionTimestamp(), metav1.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC); got == nil || !got.Equal(&want) {
t.Errorf("GetDeletionTimestamp() = %s, want %s", got, want)
}
if got, want := unstruct.GetLabels(), map[string]string{"test_label": "test_value"}; !reflect.DeepEqual(got, want) {
t.Errorf("GetLabels() = %s, want %s", got, want)
}
if got, want := unstruct.GetAnnotations(), map[string]string{"test_annotation": "test_value"}; !reflect.DeepEqual(got, want) {
t.Errorf("GetAnnotations() = %s, want %s", got, want)
}
refs := unstruct.GetOwnerReferences()
expectedOwnerReferences := []metav1.OwnerReference{
{
Kind: "Pod",
Name: "poda",
APIVersion: "v1",
UID: "1",
},
{
Kind: "Pod",
Name: "podb",
APIVersion: "v1",
UID: "2",
Controller: &trueVar,
BlockOwnerDeletion: &trueVar,
},
}
if got, want := refs, expectedOwnerReferences; !reflect.DeepEqual(got, want) {
t.Errorf("GetOwnerReferences()=%v, want %v", got, want)
}
if got, want := unstruct.GetFinalizers(), []string{"finalizer.1", "finalizer.2"}; !reflect.DeepEqual(got, want) {
t.Errorf("GetFinalizers()=%v, want %v", got, want)
}
if got, want := unstruct.GetClusterName(), "cluster123"; got != want {
t.Errorf("GetClusterName()=%v, want %v", got, want)
}
if got, want := unstruct.GetDeletionGracePeriodSeconds(), &ten; !reflect.DeepEqual(got, want) {
t.Errorf("GetDeletionGracePeriodSeconds()=%v, want %v", got, want)
}
if got, want := unstruct.GetGeneration(), ten; !reflect.DeepEqual(got, want) {
t.Errorf("GetGeneration()=%v, want %v", got, want)
}
}
func TestUnstructuredSetters(t *testing.T) {
unstruct := unstructured.Unstructured{}
trueVar := true
ten := int64(10)
want := unstructured.Unstructured{
Object: map[string]interface{}{
"kind": "test_kind",
"apiVersion": "test_version",
"metadata": map[string]interface{}{
"name": "test_name",
"namespace": "test_namespace",
"generateName": "test_generateName",
"uid": "test_uid",
"resourceVersion": "test_resourceVersion",
"selfLink": "test_selfLink",
"creationTimestamp": "2009-11-10T23:00:00Z",
"deletionTimestamp": "2010-11-10T23:00:00Z",
"deletionGracePeriodSeconds": ten,
"generation": ten,
"labels": map[string]interface{}{
"test_label": "test_value",
},
"annotations": map[string]interface{}{
"test_annotation": "test_value",
},
"ownerReferences": []interface{}{
map[string]interface{}{
"kind": "Pod",
"name": "poda",
"apiVersion": "v1",
"uid": "1",
},
map[string]interface{}{
"kind": "Pod",
"name": "podb",
"apiVersion": "v1",
"uid": "2",
"controller": true,
"blockOwnerDeletion": true,
},
},
"finalizers": []interface{}{
"finalizer.1",
"finalizer.2",
},
"clusterName": "cluster123",
},
},
}
unstruct.SetAPIVersion("test_version")
unstruct.SetKind("test_kind")
unstruct.SetNamespace("test_namespace")
unstruct.SetName("test_name")
unstruct.SetGenerateName("test_generateName")
unstruct.SetUID(types.UID("test_uid"))
unstruct.SetResourceVersion("test_resourceVersion")
unstruct.SetSelfLink("test_selfLink")
unstruct.SetCreationTimestamp(metav1.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC))
date := metav1.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC)
unstruct.SetDeletionTimestamp(&date)
unstruct.SetLabels(map[string]string{"test_label": "test_value"})
unstruct.SetAnnotations(map[string]string{"test_annotation": "test_value"})
newOwnerReferences := []metav1.OwnerReference{
{
Kind: "Pod",
Name: "poda",
APIVersion: "v1",
UID: "1",
},
{
Kind: "Pod",
Name: "podb",
APIVersion: "v1",
UID: "2",
Controller: &trueVar,
BlockOwnerDeletion: &trueVar,
},
}
unstruct.SetOwnerReferences(newOwnerReferences)
unstruct.SetFinalizers([]string{"finalizer.1", "finalizer.2"})
unstruct.SetClusterName("cluster123")
unstruct.SetDeletionGracePeriodSeconds(&ten)
unstruct.SetGeneration(ten)
if !reflect.DeepEqual(unstruct, want) {
t.Errorf("Wanted: \n%s\n Got:\n%s", want, unstruct)
}
}
func TestOwnerReferences(t *testing.T) {
t.Parallel()
trueVar := true
falseVar := false
refs := []metav1.OwnerReference{
{
APIVersion: "v2",
Kind: "K2",
Name: "n2",
UID: types.UID("abc1"),
},
{
APIVersion: "v1",
Kind: "K1",
Name: "n1",
UID: types.UID("abc2"),
Controller: &trueVar,
BlockOwnerDeletion: &falseVar,
},
{
APIVersion: "v3",
Kind: "K3",
Name: "n3",
UID: types.UID("abc3"),
Controller: &falseVar,
BlockOwnerDeletion: &trueVar,
},
}
for i, ref := range refs {
ref := ref
t.Run(strconv.Itoa(i), func(t *testing.T) {
t.Parallel()
u1 := unstructured.Unstructured{
Object: make(map[string]interface{}),
}
refsX := []metav1.OwnerReference{ref}
u1.SetOwnerReferences(refsX)
have := u1.GetOwnerReferences()
if !reflect.DeepEqual(have, refsX) {
t.Errorf("Object references are not the same: %#v != %#v", have, refsX)
}
})
}
}
func TestUnstructuredListGetters(t *testing.T) {
unstruct := unstructured.UnstructuredList{
Object: map[string]interface{}{
"kind": "test_kind",
"apiVersion": "test_version",
"metadata": map[string]interface{}{
"resourceVersion": "test_resourceVersion",
"selfLink": "test_selfLink",
},
},
}
if got, want := unstruct.GetAPIVersion(), "test_version"; got != want {
t.Errorf("GetAPIVersions() = %s, want %s", got, want)
}
if got, want := unstruct.GetKind(), "test_kind"; got != want {
t.Errorf("GetKind() = %s, want %s", got, want)
}
if got, want := unstruct.GetResourceVersion(), "test_resourceVersion"; got != want {
t.Errorf("GetResourceVersion() = %s, want %s", got, want)
}
if got, want := unstruct.GetSelfLink(), "test_selfLink"; got != want {
t.Errorf("GetSelfLink() = %s, want %s", got, want)
}
}
func TestUnstructuredListSetters(t *testing.T) {
unstruct := unstructured.UnstructuredList{}
want := unstructured.UnstructuredList{
Object: map[string]interface{}{
"kind": "test_kind",
"apiVersion": "test_version",
"metadata": map[string]interface{}{
"resourceVersion": "test_resourceVersion",
"selfLink": "test_selfLink",
},
},
}
unstruct.SetAPIVersion("test_version")
unstruct.SetKind("test_kind")
unstruct.SetResourceVersion("test_resourceVersion")
unstruct.SetSelfLink("test_selfLink")
if !reflect.DeepEqual(unstruct, want) {
t.Errorf("Wanted: \n%s\n Got:\n%s", unstruct, want)
}
}
func TestDecodeNumbers(t *testing.T) {
// Start with a valid pod
originalJSON := []byte(`{
"kind":"Carp",
"apiVersion":"v1",
"metadata":{"name":"pod","namespace":"foo"},
"spec":{
"containers":[{"name":"container","image":"container"}],
"activeDeadlineSeconds":1000030003
}
}`)
pod := &testapigroup.Carp{}
_, codecs := TestScheme()
codec := apitesting.TestCodec(codecs, schema.GroupVersion{Group: "", Version: runtime.APIVersionInternal})
err := runtime.DecodeInto(codec, originalJSON, pod)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
// Round-trip with unstructured codec
unstructuredObj, err := runtime.Decode(unstructured.UnstructuredJSONScheme, originalJSON)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
roundtripJSON, err := runtime.Encode(unstructured.UnstructuredJSONScheme, unstructuredObj)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
// Make sure we serialize back out in int form
if !strings.Contains(string(roundtripJSON), `"activeDeadlineSeconds":1000030003`) {
t.Errorf("Expected %s, got %s", `"activeDeadlineSeconds":1000030003`, string(roundtripJSON))
}
// Decode with structured codec again
obj2, err := runtime.Decode(codec, roundtripJSON)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
// ensure pod is still valid
pod2, ok := obj2.(*testapigroup.Carp)
if !ok {
t.Fatalf("expected an *api.Pod, got %#v", obj2)
}
// ensure round-trip preserved large integers
if !reflect.DeepEqual(pod, pod2) {
t.Fatalf("Expected\n\t%#v, got \n\t%#v", pod, pod2)
}
}
// TestAccessorMethods does opaque roundtrip testing against an Unstructured
// instance's Object methods to ensure that what is "Set" matches what you
// subsequently "Get" without any assertions against internal state.
func TestAccessorMethods(t *testing.T) {
int64p := func(i int) *int64 {
v := int64(i)
return &v
}
tests := []struct {
accessor string
val interface{}
nilVal reflect.Value
}{
{accessor: "Namespace", val: "foo"},
{accessor: "Name", val: "bar"},
{accessor: "GenerateName", val: "baz"},
{accessor: "UID", val: types.UID("uid")},
{accessor: "ResourceVersion", val: "1"},
{accessor: "Generation", val: int64(5)},
{accessor: "SelfLink", val: "/foo"},
// TODO: Handle timestamps, which are being marshalled as UTC and
// unmarshalled as Local.
// https://github.com/kubernetes/kubernetes/issues/21402
// {accessor: "CreationTimestamp", val: someTime},
// {accessor: "DeletionTimestamp", val: someTimeP},
{accessor: "DeletionTimestamp", nilVal: reflect.ValueOf((*metav1.Time)(nil))},
{accessor: "DeletionGracePeriodSeconds", val: int64p(10)},
{accessor: "DeletionGracePeriodSeconds", val: int64p(0)},
{accessor: "DeletionGracePeriodSeconds", nilVal: reflect.ValueOf((*int64)(nil))},
{accessor: "Labels", val: map[string]string{"foo": "bar"}},
{accessor: "Annotations", val: map[string]string{"foo": "bar"}},
{accessor: "Initializers", val: &metav1.Initializers{Pending: []metav1.Initializer{{Name: "foo"}}}},
{accessor: "Initializers", val: &metav1.Initializers{}},
{accessor: "Initializers", nilVal: reflect.ValueOf((*metav1.Initializers)(nil))},
{accessor: "Finalizers", val: []string{"foo"}},
{accessor: "OwnerReferences", val: []metav1.OwnerReference{{Name: "foo"}}},
{accessor: "ClusterName", val: "foo"},
}
for i, test := range tests {
t.Logf("evaluating test %d (%s)", i, test.accessor)
u := &unstructured.Unstructured{}
setter := reflect.ValueOf(u).MethodByName("Set" + test.accessor)
getter := reflect.ValueOf(u).MethodByName("Get" + test.accessor)
args := []reflect.Value{}
if test.val != nil {
args = append(args, reflect.ValueOf(test.val))
} else {
args = append(args, test.nilVal)
}
setter.Call(args)
ret := getter.Call([]reflect.Value{})
actual := ret[0].Interface()
var expected interface{}
if test.val != nil {
expected = test.val
} else {
expected = test.nilVal.Interface()
}
if e, a := expected, actual; !reflect.DeepEqual(e, a) {
t.Fatalf("%s: expected %v (%T), got %v (%T)", test.accessor, e, e, a, a)
}
}
}