kubernetes marshal_test 源码
kubernetes marshal_test 代码
文件路径：/cmd/kubeadm/app/util/marshal_test.go
/*
Copyright 2017 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 util
import (
"bytes"
"reflect"
"sort"
"testing"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime/serializer"
bootstraptokenv1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/bootstraptoken/v1"
kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
kubeadmapiv1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta3"
"k8s.io/kubernetes/cmd/kubeadm/app/constants"
)
var files = map[string][]byte{
"foo": []byte(`
kind: Foo
apiVersion: foo.k8s.io/v1
fooField: foo
`),
"bar": []byte(`
apiVersion: bar.k8s.io/v2
barField: bar
kind: Bar
`),
"baz": []byte(`
apiVersion: baz.k8s.io/v1
kind: Baz
baz:
foo: bar
`),
"nokind": []byte(`
apiVersion: baz.k8s.io/v1
foo: foo
bar: bar
`),
"noapiversion": []byte(`
kind: Bar
foo: foo
bar: bar
`),
}
func TestMarshalUnmarshalYaml(t *testing.T) {
pod := &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "someName",
Namespace: "testNamespace",
Labels: map[string]string{
"test": "yes",
},
},
Spec: corev1.PodSpec{
RestartPolicy: corev1.RestartPolicyAlways,
},
}
bytes, err := MarshalToYaml(pod, corev1.SchemeGroupVersion)
if err != nil {
t.Fatalf("unexpected error marshalling: %v", err)
}
t.Logf("\n%s", bytes)
obj2, err := UnmarshalFromYaml(bytes, corev1.SchemeGroupVersion)
if err != nil {
t.Fatalf("unexpected error marshalling: %v", err)
}
pod2, ok := obj2.(*corev1.Pod)
if !ok {
t.Fatal("did not get a Pod")
}
if pod2.Name != pod.Name {
t.Errorf("expected %q, got %q", pod.Name, pod2.Name)
}
if pod2.Namespace != pod.Namespace {
t.Errorf("expected %q, got %q", pod.Namespace, pod2.Namespace)
}
if !reflect.DeepEqual(pod2.Labels, pod.Labels) {
t.Errorf("expected %v, got %v", pod.Labels, pod2.Labels)
}
if pod2.Spec.RestartPolicy != pod.Spec.RestartPolicy {
t.Errorf("expected %q, got %q", pod.Spec.RestartPolicy, pod2.Spec.RestartPolicy)
}
}
func TestMarshalUnmarshalToYamlForCodecs(t *testing.T) {
cfg := &kubeadmapiv1.InitConfiguration{
TypeMeta: metav1.TypeMeta{
Kind: constants.InitConfigurationKind,
APIVersion: kubeadmapiv1.SchemeGroupVersion.String(),
},
NodeRegistration: kubeadmapiv1.NodeRegistrationOptions{
Name: "testNode",
CRISocket: "unix:///var/run/cri.sock",
},
BootstrapTokens: []bootstraptokenv1.BootstrapToken{
{
Token: &bootstraptokenv1.BootstrapTokenString{ID: "abcdef", Secret: "abcdef0123456789"},
},
},
// NOTE: Using MarshalToYamlForCodecs and UnmarshalFromYamlForCodecs for ClusterConfiguration fields here won't work
// by design. This is because we have a `json:"-"` annotation in order to avoid struct duplication. See the comment
// at the kubeadmapiv1.InitConfiguration definition.
}
kubeadmapiv1.SetDefaults_InitConfiguration(cfg)
scheme := runtime.NewScheme()
if err := kubeadmapiv1.AddToScheme(scheme); err != nil {
t.Fatal(err)
}
codecs := serializer.NewCodecFactory(scheme)
bytes, err := MarshalToYamlForCodecs(cfg, kubeadmapiv1.SchemeGroupVersion, codecs)
if err != nil {
t.Fatalf("unexpected error marshalling InitConfiguration: %v", err)
}
t.Logf("\n%s", bytes)
obj, err := UnmarshalFromYamlForCodecs(bytes, kubeadmapiv1.SchemeGroupVersion, codecs)
if err != nil {
t.Fatalf("unexpected error unmarshalling InitConfiguration: %v", err)
}
cfg2, ok := obj.(*kubeadmapiv1.InitConfiguration)
if !ok || cfg2 == nil {
t.Fatal("did not get InitConfiguration back")
}
if !reflect.DeepEqual(*cfg, *cfg2) {
t.Errorf("expected %v, got %v", *cfg, *cfg2)
}
}
func TestSplitYAMLDocuments(t *testing.T) {
var tests = []struct {
name string
fileContents []byte
gvkmap kubeadmapi.DocumentMap
expectedErr bool
}{
{
name: "FooOnly",
fileContents: files["foo"],
gvkmap: kubeadmapi.DocumentMap{
{Group: "foo.k8s.io", Version: "v1", Kind: "Foo"}: files["foo"],
},
},
{
name: "FooBar",
fileContents: bytes.Join([][]byte{files["foo"], files["bar"]}, []byte(constants.YAMLDocumentSeparator)),
gvkmap: kubeadmapi.DocumentMap{
{Group: "foo.k8s.io", Version: "v1", Kind: "Foo"}: files["foo"],
{Group: "bar.k8s.io", Version: "v2", Kind: "Bar"}: files["bar"],
},
},
{
name: "FooTwiceInvalid",
fileContents: bytes.Join([][]byte{files["foo"], files["bar"], files["foo"]}, []byte(constants.YAMLDocumentSeparator)),
expectedErr: true,
},
{
name: "InvalidBaz",
fileContents: bytes.Join([][]byte{files["foo"], files["baz"]}, []byte(constants.YAMLDocumentSeparator)),
expectedErr: true,
},
{
name: "InvalidNoKind",
fileContents: files["nokind"],
expectedErr: true,
},
{
name: "InvalidNoAPIVersion",
fileContents: files["noapiversion"],
expectedErr: true,
},
}
for _, rt := range tests {
t.Run(rt.name, func(t2 *testing.T) {
gvkmap, err := SplitYAMLDocuments(rt.fileContents)
if (err != nil) != rt.expectedErr {
t2.Errorf("expected error: %t, actual: %t", rt.expectedErr, err != nil)
}
if !reflect.DeepEqual(gvkmap, rt.gvkmap) {
t2.Errorf("expected gvkmap: %s\n\tactual: %s\n", rt.gvkmap, gvkmap)
}
})
}
}
func TestGroupVersionKindsFromBytes(t *testing.T) {
var tests = []struct {
name string
fileContents []byte
gvks []string
expectedErr bool
}{
{
name: "FooOnly",
fileContents: files["foo"],
gvks: []string{
"foo.k8s.io/v1, Kind=Foo",
},
},
{
name: "FooBar",
fileContents: bytes.Join([][]byte{files["foo"], files["bar"]}, []byte(constants.YAMLDocumentSeparator)),
gvks: []string{
"foo.k8s.io/v1, Kind=Foo",
"bar.k8s.io/v2, Kind=Bar",
},
},
{
name: "FooTwiceInvalid",
fileContents: bytes.Join([][]byte{files["foo"], files["bar"], files["foo"]}, []byte(constants.YAMLDocumentSeparator)),
gvks: []string{},
expectedErr: true,
},
{
name: "InvalidBaz",
fileContents: bytes.Join([][]byte{files["foo"], files["baz"]}, []byte(constants.YAMLDocumentSeparator)),
gvks: []string{},
expectedErr: true,
},
{
name: "InvalidNoKind",
fileContents: files["nokind"],
gvks: []string{},
expectedErr: true,
},
{
name: "InvalidNoAPIVersion",
fileContents: files["noapiversion"],
gvks: []string{},
expectedErr: true,
},
}
for _, rt := range tests {
t.Run(rt.name, func(t2 *testing.T) {
gvks, err := GroupVersionKindsFromBytes(rt.fileContents)
if (err != nil) != rt.expectedErr {
t2.Errorf("expected error: %t, actual: %t", rt.expectedErr, err != nil)
}
strgvks := []string{}
for _, gvk := range gvks {
strgvks = append(strgvks, gvk.String())
}
sort.Strings(strgvks)
sort.Strings(rt.gvks)
if !reflect.DeepEqual(strgvks, rt.gvks) {
t2.Errorf("expected gvks: %s\n\tactual: %s\n", rt.gvks, strgvks)
}
})
}
}
func TestGroupVersionKindsHasKind(t *testing.T) {
var tests = []struct {
name string
gvks []schema.GroupVersionKind
kind string
expected bool
}{
{
name: "FooOnly",
gvks: []schema.GroupVersionKind{
{Group: "foo.k8s.io", Version: "v1", Kind: "Foo"},
},
kind: "Foo",
expected: true,
},
{
name: "FooBar",
gvks: []schema.GroupVersionKind{
{Group: "foo.k8s.io", Version: "v1", Kind: "Foo"},
{Group: "bar.k8s.io", Version: "v2", Kind: "Bar"},
},
kind: "Bar",
expected: true,
},
{
name: "FooBazNoBaz",
gvks: []schema.GroupVersionKind{
{Group: "foo.k8s.io", Version: "v1", Kind: "Foo"},
{Group: "bar.k8s.io", Version: "v2", Kind: "Bar"},
},
kind: "Baz",
expected: false,
},
}
for _, rt := range tests {
t.Run(rt.name, func(t2 *testing.T) {
actual := GroupVersionKindsHasKind(rt.gvks, rt.kind)
if rt.expected != actual {
t2.Errorf("expected gvks has kind: %t\n\tactual: %t\n", rt.expected, actual)
}
})
}
}
func TestGroupVersionKindsHasInitConfiguration(t *testing.T) {
var tests = []struct {
name string
gvks []schema.GroupVersionKind
kind string
expected bool
}{
{
name: "NoInitConfiguration",
gvks: []schema.GroupVersionKind{
{Group: "foo.k8s.io", Version: "v1", Kind: "Foo"},
},
expected: false,
},
{
name: "InitConfigurationFound",
gvks: []schema.GroupVersionKind{
{Group: "foo.k8s.io", Version: "v1", Kind: "Foo"},
{Group: "bar.k8s.io", Version: "v2", Kind: "InitConfiguration"},
},
expected: true,
},
}
for _, rt := range tests {
t.Run(rt.name, func(t2 *testing.T) {
actual := GroupVersionKindsHasInitConfiguration(rt.gvks...)
if rt.expected != actual {
t2.Errorf("expected gvks has InitConfiguration: %t\n\tactual: %t\n", rt.expected, actual)
}
})
}
}
func TestGroupVersionKindsHasJoinConfiguration(t *testing.T) {
var tests = []struct {
name string
gvks []schema.GroupVersionKind
kind string
expected bool
}{
{
name: "NoJoinConfiguration",
gvks: []schema.GroupVersionKind{
{Group: "foo.k8s.io", Version: "v1", Kind: "Foo"},
},
expected: false,
},
{
name: "JoinConfigurationFound",
gvks: []schema.GroupVersionKind{
{Group: "foo.k8s.io", Version: "v1", Kind: "Foo"},
{Group: "bar.k8s.io", Version: "v2", Kind: "JoinConfiguration"},
},
expected: true,
},
}
for _, rt := range tests {
t.Run(rt.name, func(t2 *testing.T) {
actual := GroupVersionKindsHasJoinConfiguration(rt.gvks...)
if rt.expected != actual {
t2.Errorf("expected gvks has JoinConfiguration: %t\n\tactual: %t\n", rt.expected, actual)
}
})
}
}
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