282 lines
7.7 KiB
Go
282 lines
7.7 KiB
Go
package binding
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import (
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"context"
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"fmt"
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"reflect"
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"testing"
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appsv1 "k8s.io/api/apps/v1"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/meta"
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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/apimachinery/pkg/types"
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fakedynamic "k8s.io/client-go/dynamic/fake"
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"k8s.io/client-go/kubernetes/scheme"
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"k8s.io/client-go/tools/record"
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controllerruntime "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/client/fake"
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policyv1alpha1 "github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
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workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2"
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testing2 "github.com/karmada-io/karmada/pkg/search/proxy/testing"
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"github.com/karmada-io/karmada/pkg/util/fedinformer/genericmanager"
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"github.com/karmada-io/karmada/pkg/util/gclient"
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testing3 "github.com/karmada-io/karmada/pkg/util/testing"
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"github.com/karmada-io/karmada/test/helper"
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)
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// makeFakeRBCByResource to make a fake ResourceBindingController with ObjectReference.
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// Currently support kind: Pod,Node. If you want support more kind, pls add it.
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// rs is nil means use default RestMapper, see: github.com/karmada-io/karmada/pkg/search/proxy/testing/constant.go
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func makeFakeRBCByResource(rs *workv1alpha2.ObjectReference) (*ResourceBindingController, error) {
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tempDyClient := fakedynamic.NewSimpleDynamicClient(scheme.Scheme)
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if rs == nil {
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return &ResourceBindingController{
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Client: fake.NewClientBuilder().WithScheme(gclient.NewSchema()).Build(),
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RESTMapper: testing2.RestMapper,
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InformerManager: genericmanager.NewSingleClusterInformerManager(tempDyClient, 0, nil),
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DynamicClient: tempDyClient,
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}, nil
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}
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var obj runtime.Object
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var src string
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switch rs.Kind {
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case "Pod":
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obj = &corev1.Pod{ObjectMeta: metav1.ObjectMeta{Name: rs.Name, Namespace: rs.Namespace}}
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src = "pods"
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case "Node":
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obj = &corev1.Node{ObjectMeta: metav1.ObjectMeta{Name: rs.Name, Namespace: rs.Namespace}}
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src = "nodes"
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default:
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return nil, fmt.Errorf("%s not support yet, pls add for it", rs.Kind)
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}
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tempDyClient.Resources = []*metav1.APIResourceList{
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{
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GroupVersion: appsv1.SchemeGroupVersion.String(),
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APIResources: []metav1.APIResource{
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{Name: rs.Name, Namespaced: true, Kind: rs.Kind, Version: rs.APIVersion},
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},
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},
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}
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return &ResourceBindingController{
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Client: fake.NewClientBuilder().WithScheme(gclient.NewSchema()).Build(),
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RESTMapper: helper.NewGroupRESTMapper(rs.Kind, meta.RESTScopeNamespace),
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InformerManager: testing3.NewSingleClusterInformerManagerByRS(src, obj),
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DynamicClient: tempDyClient,
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EventRecorder: record.NewFakeRecorder(1024),
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}, nil
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}
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func TestResourceBindingController_Reconcile(t *testing.T) {
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tmpReq := controllerruntime.Request{
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NamespacedName: types.NamespacedName{
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Name: "test-rb",
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Namespace: "default",
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},
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}
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tests := []struct {
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name string
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want controllerruntime.Result
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wantErr bool
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rb *workv1alpha2.ResourceBinding
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req controllerruntime.Request
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}{
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{
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name: "Err is RB not found",
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want: controllerruntime.Result{},
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wantErr: false,
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req: tmpReq,
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},
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{
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name: "RB found without deleting",
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want: controllerruntime.Result{Requeue: true},
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wantErr: true,
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rb: &workv1alpha2.ResourceBinding{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-rb",
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Namespace: "default",
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},
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},
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req: tmpReq,
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},
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{
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name: "Req not found",
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want: controllerruntime.Result{Requeue: false},
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wantErr: false,
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rb: &workv1alpha2.ResourceBinding{
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ObjectMeta: metav1.ObjectMeta{
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Name: "haha-rb",
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Namespace: "default",
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},
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},
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req: tmpReq,
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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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c, makeErr := makeFakeRBCByResource(nil)
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if makeErr != nil {
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t.Errorf("makeFakeRBCByResource %v", makeErr)
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return
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}
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if tt.rb != nil {
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// Add a rb to the fake client.
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if err := c.Client.Create(context.Background(), tt.rb); err != nil {
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t.Fatalf("Failed to create rb: %v", err)
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}
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}
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// Run the reconcile function.
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got, err := c.Reconcile(context.Background(), tt.req)
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// Check the results.
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if tt.wantErr && err == nil {
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t.Errorf("Expected an error but got nil")
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} else if !tt.wantErr && err != nil {
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t.Errorf("Expected no error but got %v", err)
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("Reconcile() 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 TestResourceBindingController_syncBinding(t *testing.T) {
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rs := workv1alpha2.ObjectReference{
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APIVersion: "v1",
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Kind: "Pod",
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Namespace: "default",
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Name: "pod",
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}
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tests := []struct {
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name string
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want controllerruntime.Result
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wantErr bool
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rb *workv1alpha2.ResourceBinding
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}{
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{
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name: "syncBinding success test",
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want: controllerruntime.Result{},
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wantErr: false,
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rb: &workv1alpha2.ResourceBinding{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-rb",
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Namespace: "default",
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},
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Spec: workv1alpha2.ResourceBindingSpec{
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Resource: rs,
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},
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},
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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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c, makeErr := makeFakeRBCByResource(&rs)
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if makeErr != nil {
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t.Errorf("makeFakeRBCByResource %v", makeErr)
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return
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}
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got, err := c.syncBinding(tt.rb)
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if (err != nil) != tt.wantErr {
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t.Errorf("syncBinding() 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("syncBinding() 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 TestResourceBindingController_removeOrphanWorks(t *testing.T) {
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rs := workv1alpha2.ObjectReference{
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APIVersion: "v1",
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Kind: "Pod",
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Namespace: "default",
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Name: "pod",
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}
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tests := []struct {
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name string
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wantErr bool
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rb *workv1alpha2.ResourceBinding
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}{
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{
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name: "removeOrphanWorks success test",
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wantErr: false,
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rb: &workv1alpha2.ResourceBinding{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-rb",
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Namespace: "default",
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},
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Spec: workv1alpha2.ResourceBindingSpec{
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Resource: rs,
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},
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},
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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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c, makeErr := makeFakeRBCByResource(&rs)
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if makeErr != nil {
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t.Errorf("makeFakeRBCByResource %v", makeErr)
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return
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}
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if err := c.removeOrphanWorks(tt.rb); (err != nil) != tt.wantErr {
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t.Errorf("removeOrphanWorks() error = %v, wantErr %v", err, tt.wantErr)
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}
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})
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}
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}
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func TestResourceBindingController_newOverridePolicyFunc(t *testing.T) {
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rs := workv1alpha2.ObjectReference{
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APIVersion: "v1",
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Kind: "Pod",
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Namespace: "default",
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Name: "pod",
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}
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tests := []struct {
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name string
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want bool
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obIsNil bool
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}{
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{
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name: "newOverridePolicyFunc success test",
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want: false,
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obIsNil: 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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tempOP := &policyv1alpha1.OverridePolicy{
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ObjectMeta: metav1.ObjectMeta{Namespace: rs.Namespace},
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Spec: policyv1alpha1.OverrideSpec{ResourceSelectors: []policyv1alpha1.ResourceSelector{
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{
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APIVersion: rs.APIVersion,
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Kind: rs.Kind,
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Namespace: rs.Namespace,
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Name: rs.Name,
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},
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}},
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}
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c, makeErr := makeFakeRBCByResource(&rs)
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if makeErr != nil {
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t.Errorf("makeFakeRBCByResource %v", makeErr)
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return
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}
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got := c.newOverridePolicyFunc()
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if (got == nil) != tt.want {
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t.Errorf("newOverridePolicyFunc() is not same as want:%v", tt.want)
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}
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if (got(context.TODO(), client.Object(tempOP)) == nil) == tt.obIsNil {
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t.Errorf("newOverridePolicyFunc() got() result is not same as want: %v", tt.obIsNil)
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}
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})
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}
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}
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