operator/pkg/karmadaresource: unit test RBAC

operator/pkg/karmadaresource/rbac/rbac_test.go

@@ -0,0 +1,110 @@
+/*
+Copyright 2024 The Karmada 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 rbac
+
+import (
+	"testing"
+
+	rbacv1 "k8s.io/api/rbac/v1"
+	fakeclientset "k8s.io/client-go/kubernetes/fake"
+	coretesting "k8s.io/client-go/testing"
+
+	"github.com/karmada-io/karmada/pkg/util"
+)
+
+func TestEnsureKarmadaRBAC(t *testing.T) {
+	fakeClient := fakeclientset.NewSimpleClientset()
+	err := EnsureKarmadaRBAC(fakeClient)
+	if err != nil {
+		t.Fatalf("failed to ensure karmada rbac: %v", err)
+	}
+
+	actions := fakeClient.Actions()
+	if len(actions) != 4 {
+		t.Fatalf("expected 4 actions, but got %d", len(actions))
+	}
+}
+
+func TestGrantKarmadaResourceEditClusterrole(t *testing.T) {
+	fakeClient := fakeclientset.NewSimpleClientset()
+	err := grantKarmadaResourceEditClusterRole(fakeClient)
+	if err != nil {
+		t.Fatalf("failed to grant karmada resource edit clusterrole: %v", err)
+	}
+
+	// Ensure the expected action (clusterrole creation) occurred.
+	actions := fakeClient.Actions()
+	if len(actions) != 1 {
+		t.Fatalf("expected 1 action, but got %d", len(actions))
+	}
+
+	// Validate the action is a CreateAction and it's for the correct resource (clusterrole).
+	createAction, ok := actions[0].(coretesting.CreateAction)
+	if !ok {
+		t.Fatalf("expected CreateAction, but got %T", actions[0])
+	}
+
+	resourceExpected := "clusterroles"
+	if createAction.GetResource().Resource != resourceExpected {
+		t.Fatalf("expected action on %s, but got %s", resourceExpected, createAction.GetResource().Resource)
+	}
+
+	clusterRole := createAction.GetObject().(*rbacv1.ClusterRole)
+	if _, exists := clusterRole.Labels[util.KarmadaSystemLabel]; !exists {
+		t.Errorf("expected label %s to exist on the clusterrole, but it does not", util.KarmadaSystemLabel)
+	}
+
+	editClusterRoleNameExpected := "karmada-edit"
+	if clusterRole.Name != editClusterRoleNameExpected {
+		t.Errorf("expected edit cluster role name to be %s, but found %s", editClusterRoleNameExpected, clusterRole.Name)
+	}
+}
+
+func TestGrantKarmadaResourceViewClusterrole(t *testing.T) {
+	fakeClient := fakeclientset.NewSimpleClientset()
+	err := grantKarmadaResourceViewClusterRole(fakeClient)
+	if err != nil {
+		t.Fatalf("failed to grant karmada resource view clusterrole: %v", err)
+	}
+
+	// Ensure the expected action (clusterrole creation) occurred.
+	actions := fakeClient.Actions()
+	if len(actions) != 1 {
+		t.Fatalf("expected 1 action, but got %d", len(actions))
+	}
+
+	// Validate the action is a CreateAction and it's for the correct resource (clusterrole).
+	createAction, ok := actions[0].(coretesting.CreateAction)
+	if !ok {
+		t.Fatalf("expected CreateAction, but got %T", actions[0])
+	}
+
+	resourceExpected := "clusterroles"
+	if createAction.GetResource().Resource != resourceExpected {
+		t.Fatalf("expected action on %s, but got %s", resourceExpected, createAction.GetResource().Resource)
+	}
+
+	clusterRole := createAction.GetObject().(*rbacv1.ClusterRole)
+	if _, exists := clusterRole.Labels[util.KarmadaSystemLabel]; !exists {
+		t.Fatalf("expected label %s to exist on the clusterrole, but it does not", util.KarmadaSystemLabel)
+	}
+
+	viewClusterRoleNameExpected := "karmada-view"
+	if clusterRole.Name != viewClusterRoleNameExpected {
+		t.Fatalf("expected view cluster role name to be %s, but found %s", viewClusterRoleNameExpected, clusterRole.Name)
+	}
+}