469 lines
12 KiB
Go
469 lines
12 KiB
Go
package util
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import (
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"reflect"
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"testing"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/kubernetes/fake"
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"sigs.k8s.io/controller-runtime/pkg/client"
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fakeclient "sigs.k8s.io/controller-runtime/pkg/client/fake"
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clusterv1alpha1 "github.com/karmada-io/karmada/pkg/apis/cluster/v1alpha1"
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karmadaclientset "github.com/karmada-io/karmada/pkg/generated/clientset/versioned"
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karmadaclientsetfake "github.com/karmada-io/karmada/pkg/generated/clientset/versioned/fake"
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"github.com/karmada-io/karmada/pkg/util/gclient"
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)
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func newCluster(name string) *clusterv1alpha1.Cluster {
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return &clusterv1alpha1.Cluster{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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},
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Spec: clusterv1alpha1.ClusterSpec{},
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Status: clusterv1alpha1.ClusterStatus{},
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}
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}
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func withAPIEndPoint(cluster *clusterv1alpha1.Cluster, apiEndPoint string) *clusterv1alpha1.Cluster {
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cluster.Spec.APIEndpoint = apiEndPoint
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return cluster
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}
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func withSyncMode(cluster *clusterv1alpha1.Cluster, syncMode clusterv1alpha1.ClusterSyncMode) *clusterv1alpha1.Cluster {
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cluster.Spec.SyncMode = syncMode
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return cluster
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}
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func withID(cluster *clusterv1alpha1.Cluster, id string) *clusterv1alpha1.Cluster {
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cluster.Spec.ID = id
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return cluster
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}
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func TestCreateOrUpdateClusterObject(t *testing.T) {
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type args struct {
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controlPlaneClient karmadaclientset.Interface
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clusterObj *clusterv1alpha1.Cluster
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mutate func(*clusterv1alpha1.Cluster)
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}
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tests := []struct {
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name string
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args args
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want *clusterv1alpha1.Cluster
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wantErr bool
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}{
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{
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name: "cluster exist, and update cluster",
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args: args{
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controlPlaneClient: karmadaclientsetfake.NewSimpleClientset(withAPIEndPoint(newCluster(ClusterMember1), "https://127.0.0.1:6443")),
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clusterObj: newCluster(ClusterMember1),
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mutate: func(cluster *clusterv1alpha1.Cluster) {
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cluster.Spec.SyncMode = clusterv1alpha1.Pull
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},
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},
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want: withSyncMode(withAPIEndPoint(newCluster(ClusterMember1), "https://127.0.0.1:6443"), clusterv1alpha1.Pull),
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},
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{
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name: "cluster exist and equal, not update",
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args: args{
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controlPlaneClient: karmadaclientsetfake.NewSimpleClientset(withSyncMode(withAPIEndPoint(newCluster(ClusterMember1), "https://127.0.0.1:6443"), clusterv1alpha1.Pull)),
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clusterObj: withSyncMode(withAPIEndPoint(newCluster(ClusterMember1), "https://127.0.0.1:6443"), clusterv1alpha1.Pull),
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mutate: func(cluster *clusterv1alpha1.Cluster) {
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cluster.Spec.SyncMode = clusterv1alpha1.Pull
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},
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},
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want: withSyncMode(withAPIEndPoint(newCluster(ClusterMember1), "https://127.0.0.1:6443"), clusterv1alpha1.Pull),
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},
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{
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name: "cluster not exist, and create cluster",
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args: args{
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controlPlaneClient: karmadaclientsetfake.NewSimpleClientset(),
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clusterObj: newCluster(ClusterMember1),
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mutate: func(cluster *clusterv1alpha1.Cluster) {
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cluster.Spec.SyncMode = clusterv1alpha1.Pull
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},
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},
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want: withSyncMode(newCluster(ClusterMember1), clusterv1alpha1.Pull),
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},
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{
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name: "get cluster error",
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args: args{
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controlPlaneClient: func() karmadaclientset.Interface {
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c := karmadaclientsetfake.NewSimpleClientset()
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c.PrependReactor("get", "*", errorAction)
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return c
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}(),
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clusterObj: newCluster(ClusterMember1),
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mutate: func(cluster *clusterv1alpha1.Cluster) {
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cluster.Spec.SyncMode = clusterv1alpha1.Pull
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},
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},
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wantErr: true,
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want: nil,
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},
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{
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name: "create cluster error",
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args: args{
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controlPlaneClient: func() karmadaclientset.Interface {
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c := karmadaclientsetfake.NewSimpleClientset()
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c.PrependReactor("create", "*", errorAction)
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return c
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}(),
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clusterObj: newCluster(ClusterMember1),
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mutate: func(cluster *clusterv1alpha1.Cluster) {
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cluster.Spec.SyncMode = clusterv1alpha1.Pull
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},
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},
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wantErr: true,
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want: nil,
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},
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{
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name: "update cluster error",
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args: args{
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controlPlaneClient: func() karmadaclientset.Interface {
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c := karmadaclientsetfake.NewSimpleClientset(withAPIEndPoint(newCluster(ClusterMember1), "https://127.0.0.1:6443"))
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c.PrependReactor("update", "*", errorAction)
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return c
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}(),
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clusterObj: newCluster(ClusterMember1),
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mutate: func(cluster *clusterv1alpha1.Cluster) {
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cluster.Spec.SyncMode = clusterv1alpha1.Pull
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},
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},
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wantErr: true,
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want: nil,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := CreateOrUpdateClusterObject(tt.args.controlPlaneClient, tt.args.clusterObj, tt.args.mutate)
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if (err != nil) != tt.wantErr {
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t.Errorf("CreateOrUpdateClusterObject() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("CreateOrUpdateClusterObject() got = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestIsClusterIDUnique(t *testing.T) {
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tests := []struct {
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name string
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existedCluster []runtime.Object
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id string
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want bool
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clustername string
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}{
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{
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name: "no cluster", id: "1", want: true,
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existedCluster: []runtime.Object{},
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},
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{
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name: "existed id", id: "1", want: false, clustername: "cluster-1",
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existedCluster: []runtime.Object{withID(newCluster("cluster-1"), "1")},
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},
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{
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name: "unique id", id: "2", want: true,
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existedCluster: []runtime.Object{withID(newCluster("cluster-1"), "1")},
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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fakeClient := karmadaclientsetfake.NewSimpleClientset(tc.existedCluster...)
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ok, name, err := IsClusterIdentifyUnique(fakeClient, tc.id)
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if err != nil {
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t.Fatal(err)
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}
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if ok != tc.want {
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t.Errorf("expected value: %v, but got: %v", tc.want, ok)
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}
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if !ok && name != tc.clustername {
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t.Errorf("expected clustername: %v, but got: %v", tc.clustername, name)
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}
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})
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}
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}
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func TestClusterRegisterOption_IsKubeCredentialsEnabled(t *testing.T) {
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type fields struct {
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ReportSecrets []string
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}
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tests := []struct {
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name string
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fields fields
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want bool
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}{
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{
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name: "secrets empty",
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fields: fields{
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ReportSecrets: nil,
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},
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want: false,
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},
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{
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name: "secrets are [None]",
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fields: fields{
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ReportSecrets: []string{None},
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},
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want: false,
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},
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{
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name: "secrets are [KubeCredentials]",
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fields: fields{
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ReportSecrets: []string{KubeCredentials},
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},
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want: true,
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},
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{
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name: "secrets are [None,KubeCredentials]",
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fields: fields{
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ReportSecrets: []string{None, KubeCredentials},
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},
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want: true,
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},
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{
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name: "secrets are [None,None]",
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fields: fields{
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ReportSecrets: []string{None, None},
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},
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want: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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r := ClusterRegisterOption{
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ReportSecrets: tt.fields.ReportSecrets,
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}
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if got := r.IsKubeCredentialsEnabled(); got != tt.want {
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t.Errorf("IsKubeCredentialsEnabled() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestClusterRegisterOption_IsKubeImpersonatorEnabled(t *testing.T) {
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type fields struct {
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ReportSecrets []string
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}
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tests := []struct {
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name string
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fields fields
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want bool
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}{
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{
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name: "secrets empty",
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fields: fields{
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ReportSecrets: nil,
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},
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want: false,
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},
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{
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name: "secrets are [None]",
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fields: fields{
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ReportSecrets: []string{None},
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},
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want: false,
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},
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{
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name: "secrets are [KubeImpersonator]",
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fields: fields{
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ReportSecrets: []string{KubeImpersonator},
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},
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want: true,
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},
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{
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name: "secrets are [None,KubeImpersonator]",
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fields: fields{
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ReportSecrets: []string{None, KubeImpersonator},
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},
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want: true,
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},
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{
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name: "secrets are [None,None]",
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fields: fields{
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ReportSecrets: []string{None, None},
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},
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want: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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r := ClusterRegisterOption{
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ReportSecrets: tt.fields.ReportSecrets,
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}
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if got := r.IsKubeImpersonatorEnabled(); got != tt.want {
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t.Errorf("IsKubeImpersonatorEnabled() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestCreateClusterObject(t *testing.T) {
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type args struct {
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controlPlaneClient karmadaclientset.Interface
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clusterObj *clusterv1alpha1.Cluster
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}
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tests := []struct {
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name string
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args args
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want *clusterv1alpha1.Cluster
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wantErr bool
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}{
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{
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name: "cluster not exit, and create it",
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args: args{
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controlPlaneClient: karmadaclientsetfake.NewSimpleClientset(),
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clusterObj: newCluster("test"),
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},
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want: newCluster("test"),
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wantErr: false,
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},
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{
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name: "cluster exits, and return error",
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args: args{
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controlPlaneClient: karmadaclientsetfake.NewSimpleClientset(newCluster("test")),
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clusterObj: newCluster("test"),
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},
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want: newCluster("test"),
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wantErr: true,
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},
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{
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name: "get cluster error",
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args: args{
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controlPlaneClient: func() karmadaclientset.Interface {
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c := karmadaclientsetfake.NewSimpleClientset()
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c.PrependReactor("get", "*", errorAction)
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return c
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}(),
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clusterObj: newCluster("test"),
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},
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want: nil,
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wantErr: true,
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},
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{
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name: "create cluster error",
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args: args{
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controlPlaneClient: func() karmadaclientset.Interface {
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c := karmadaclientsetfake.NewSimpleClientset()
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c.PrependReactor("create", "*", errorAction)
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return c
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}(),
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clusterObj: newCluster("test"),
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},
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want: nil,
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := CreateClusterObject(tt.args.controlPlaneClient, tt.args.clusterObj)
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if (err != nil) != tt.wantErr {
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t.Errorf("CreateClusterObject() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("CreateClusterObject() got = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestGetCluster(t *testing.T) {
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type args struct {
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hostClient client.Client
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clusterName string
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}
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tests := []struct {
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name string
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args args
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want *clusterv1alpha1.Cluster
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wantErr bool
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}{
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{
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name: "cluster not found",
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args: args{
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hostClient: fakeclient.NewClientBuilder().Build(),
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clusterName: "test",
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},
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want: nil,
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wantErr: true,
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},
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{
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name: "cluster get success",
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args: args{
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hostClient: fakeclient.NewClientBuilder().WithScheme(gclient.NewSchema()).WithObjects(newCluster("test")).Build(),
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clusterName: "test",
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},
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want: newCluster("test"),
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wantErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := GetCluster(tt.args.hostClient, tt.args.clusterName)
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if (err != nil) != tt.wantErr {
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t.Errorf("GetCluster() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if got != nil {
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// remove fields injected by fake client
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got.TypeMeta = metav1.TypeMeta{}
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got.ResourceVersion = ""
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("GetCluster() got = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestObtainClusterID(t *testing.T) {
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type args struct {
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clusterKubeClient kubernetes.Interface
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}
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tests := []struct {
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name string
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args args
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want string
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wantErr bool
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}{
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{
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name: "namespace not exist",
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args: args{
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clusterKubeClient: fake.NewSimpleClientset(),
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},
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want: "",
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wantErr: true,
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},
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{
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name: "namespace exists",
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args: args{
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clusterKubeClient: fake.NewSimpleClientset(&corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: metav1.NamespaceSystem, UID: "123"}}),
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},
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want: "123",
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wantErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := ObtainClusterID(tt.args.clusterKubeClient)
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if (err != nil) != tt.wantErr {
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t.Errorf("ObtainClusterID() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if got != tt.want {
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t.Errorf("ObtainClusterID() got = %v, want %v", got, tt.want)
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}
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})
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}
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}
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