karmada/pkg/util/rbac_test.go

537 lines
12 KiB
Go

/*
Copyright 2022 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 util
import (
"reflect"
"testing"
rbacv1 "k8s.io/api/rbac/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/fake"
)
func TestCreateClusterRole(t *testing.T) {
type args struct {
client kubernetes.Interface
clusterRoleObj *rbacv1.ClusterRole
}
tests := []struct {
name string
args args
want *rbacv1.ClusterRole
wantErr bool
}{
{
name: "already exist",
args: args{
client: fake.NewSimpleClientset(makeClusterRole("test")),
clusterRoleObj: makeClusterRole("test"),
},
want: makeClusterRole("test"),
wantErr: false,
},
{
name: "create error",
args: args{
client: alwaysErrorKubeClient,
clusterRoleObj: makeClusterRole("test"),
},
want: nil,
wantErr: true,
},
{
name: "create success",
args: args{
client: fake.NewSimpleClientset(),
clusterRoleObj: makeClusterRole("test"),
},
want: makeClusterRole("test"),
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := CreateClusterRole(tt.args.client, tt.args.clusterRoleObj)
if (err != nil) != tt.wantErr {
t.Errorf("CreateClusterRole() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("CreateClusterRole() got = %v, want %v", got, tt.want)
}
})
}
}
func TestCreateClusterRoleBinding(t *testing.T) {
type args struct {
client kubernetes.Interface
clusterRoleBindingObj *rbacv1.ClusterRoleBinding
}
tests := []struct {
name string
args args
want *rbacv1.ClusterRoleBinding
wantErr bool
}{
{
name: "already exist",
args: args{
client: fake.NewSimpleClientset(makeClusterRoleBinding("test")),
clusterRoleBindingObj: makeClusterRoleBinding("test"),
},
want: makeClusterRoleBinding("test"),
wantErr: false,
},
{
name: "create success",
args: args{
client: fake.NewSimpleClientset(),
clusterRoleBindingObj: makeClusterRoleBinding("test"),
},
want: makeClusterRoleBinding("test"),
wantErr: false,
},
{
name: "create error",
args: args{
client: alwaysErrorKubeClient,
clusterRoleBindingObj: makeClusterRoleBinding("test"),
},
want: nil,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := CreateClusterRoleBinding(tt.args.client, tt.args.clusterRoleBindingObj)
if (err != nil) != tt.wantErr {
t.Errorf("CreateClusterRoleBinding() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("CreateClusterRoleBinding() got = %v, want %v", got, tt.want)
}
})
}
}
func TestDeleteClusterRole(t *testing.T) {
type args struct {
client kubernetes.Interface
name string
}
tests := []struct {
name string
args args
wantErr bool
}{
{
name: "not found",
args: args{
client: fake.NewSimpleClientset(),
name: "test",
},
wantErr: false,
},
{
name: "existed and deleted",
args: args{
client: fake.NewSimpleClientset(makeClusterRole("test")),
name: "test",
},
wantErr: false,
},
{
name: "delete error",
args: args{
client: alwaysErrorKubeClient,
name: "test",
},
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if err := DeleteClusterRole(tt.args.client, tt.args.name); (err != nil) != tt.wantErr {
t.Errorf("DeleteClusterRole() error = %v, wantErr %v", err, tt.wantErr)
}
})
}
}
func TestDeleteClusterRoleBinding(t *testing.T) {
type args struct {
client kubernetes.Interface
name string
}
tests := []struct {
name string
args args
wantErr bool
}{
{
name: "not found",
args: args{
client: fake.NewSimpleClientset(),
name: "test",
},
wantErr: false,
},
{
name: "existed and deleted",
args: args{
client: fake.NewSimpleClientset(makeClusterRoleBinding("test")),
name: "test",
},
wantErr: false,
},
{
name: "delete error",
args: args{
client: alwaysErrorKubeClient,
name: "test",
},
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if err := DeleteClusterRoleBinding(tt.args.client, tt.args.name); (err != nil) != tt.wantErr {
t.Errorf("DeleteClusterRoleBinding() error = %v, wantErr %v", err, tt.wantErr)
}
})
}
}
func TestGenerateImpersonationRules(t *testing.T) {
type args struct {
allSubjects []rbacv1.Subject
}
tests := []struct {
name string
args args
want []rbacv1.PolicyRule
}{
{
name: "empty",
args: args{
allSubjects: nil,
},
want: nil,
},
{
name: "generate success",
args: args{
allSubjects: []rbacv1.Subject{
{Kind: rbacv1.UserKind, Name: "user1"},
{Kind: rbacv1.UserKind, Name: "user2"},
{Kind: rbacv1.ServiceAccountKind, Name: "sa1"},
{Kind: rbacv1.ServiceAccountKind, Name: "sa2"},
{Kind: rbacv1.GroupKind, Name: "group1"},
{Kind: rbacv1.GroupKind, Name: "group2"},
},
},
want: []rbacv1.PolicyRule{
{Verbs: []string{"impersonate"}, Resources: []string{"users"}, APIGroups: []string{""}, ResourceNames: []string{"user1", "user2"}},
{Verbs: []string{"impersonate"}, Resources: []string{"serviceaccounts"}, APIGroups: []string{""}, ResourceNames: []string{"sa1", "sa2"}},
{Verbs: []string{"impersonate"}, Resources: []string{"groups"}, APIGroups: []string{""}, ResourceNames: []string{"group1", "group2"}},
},
},
{
name: "generate and deduplicate subject success",
args: args{
allSubjects: []rbacv1.Subject{
{Kind: rbacv1.UserKind, Name: "user1"},
{Kind: rbacv1.UserKind, Name: "user1"},
{Kind: rbacv1.ServiceAccountKind, Name: "sa1"},
{Kind: rbacv1.ServiceAccountKind, Name: "sa1"},
{Kind: rbacv1.GroupKind, Name: "group1"},
{Kind: rbacv1.GroupKind, Name: "group1"},
},
},
want: []rbacv1.PolicyRule{
{Verbs: []string{"impersonate"}, Resources: []string{"users"}, APIGroups: []string{""}, ResourceNames: []string{"user1"}},
{Verbs: []string{"impersonate"}, Resources: []string{"serviceaccounts"}, APIGroups: []string{""}, ResourceNames: []string{"sa1"}},
{Verbs: []string{"impersonate"}, Resources: []string{"groups"}, APIGroups: []string{""}, ResourceNames: []string{"group1"}},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := GenerateImpersonationRules(tt.args.allSubjects); !reflect.DeepEqual(got, tt.want) {
t.Errorf("GenerateImpersonationRules() = %v, want %v", got, tt.want)
}
})
}
}
func TestIsClusterRoleBindingExist(t *testing.T) {
type args struct {
client kubernetes.Interface
name string
}
tests := []struct {
name string
args args
want bool
wantErr bool
}{
{
name: "not found",
args: args{
client: fake.NewSimpleClientset(),
name: "test",
},
want: false,
wantErr: false,
},
{
name: "exist",
args: args{
client: fake.NewSimpleClientset(makeClusterRoleBinding("test")),
name: "test",
},
want: true,
wantErr: false,
},
{
name: "get error",
args: args{
client: alwaysErrorKubeClient,
name: "test",
},
want: false,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := IsClusterRoleBindingExist(tt.args.client, tt.args.name)
if (err != nil) != tt.wantErr {
t.Errorf("IsClusterRoleBindingExist() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("IsClusterRoleBindingExist() got = %v, want %v", got, tt.want)
}
})
}
}
func TestIsClusterRoleExist(t *testing.T) {
type args struct {
client kubernetes.Interface
name string
}
tests := []struct {
name string
args args
want bool
wantErr bool
}{
{
name: "not found",
args: args{
client: fake.NewSimpleClientset(),
name: "test",
},
want: false,
wantErr: false,
},
{
name: "exist",
args: args{
client: fake.NewSimpleClientset(makeClusterRole("test")),
name: "test",
},
want: true,
wantErr: false,
},
{
name: "get error",
args: args{
client: alwaysErrorKubeClient,
name: "test",
},
want: false,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := IsClusterRoleExist(tt.args.client, tt.args.name)
if (err != nil) != tt.wantErr {
t.Errorf("IsClusterRoleExist() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("IsClusterRoleExist() got = %v, want %v", got, tt.want)
}
})
}
}
func TestPolicyRuleAPIGroupMatches(t *testing.T) {
type args struct {
rule *rbacv1.PolicyRule
requestedGroup string
}
tests := []struct {
name string
args args
want bool
}{
{
name: "empty group",
args: args{
rule: &rbacv1.PolicyRule{},
requestedGroup: "test",
},
want: false,
},
{
name: "group all",
args: args{
rule: &rbacv1.PolicyRule{APIGroups: []string{rbacv1.APIGroupAll}},
requestedGroup: "test",
},
want: true,
},
{
name: "not matched",
args: args{
rule: &rbacv1.PolicyRule{APIGroups: []string{"foo", "bar"}},
requestedGroup: "test",
},
want: false,
},
{
name: "matched",
args: args{
rule: &rbacv1.PolicyRule{APIGroups: []string{"foo", "test"}},
requestedGroup: "test",
},
want: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := PolicyRuleAPIGroupMatches(tt.args.rule, tt.args.requestedGroup); got != tt.want {
t.Errorf("PolicyRuleAPIGroupMatches() = %v, want %v", got, tt.want)
}
})
}
}
func TestPolicyRuleResourceMatches(t *testing.T) {
type args struct {
rule *rbacv1.PolicyRule
requestedResource string
}
tests := []struct {
name string
args args
want bool
}{
{
name: "empty resources",
args: args{
rule: &rbacv1.PolicyRule{},
requestedResource: "test",
},
want: false,
},
{
name: "group all",
args: args{
rule: &rbacv1.PolicyRule{Resources: []string{rbacv1.ResourceAll}},
requestedResource: "test",
},
want: true,
},
{
name: "not matched",
args: args{
rule: &rbacv1.PolicyRule{Resources: []string{"foo", "bar"}},
requestedResource: "test",
},
want: false,
},
{
name: "matched",
args: args{
rule: &rbacv1.PolicyRule{Resources: []string{"foo", "test"}},
requestedResource: "test",
},
want: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := PolicyRuleResourceMatches(tt.args.rule, tt.args.requestedResource); got != tt.want {
t.Errorf("PolicyRuleResourceMatches() = %v, want %v", got, tt.want)
}
})
}
}
func TestPolicyRuleResourceNameMatches(t *testing.T) {
type args struct {
rule *rbacv1.PolicyRule
requestedName string
}
tests := []struct {
name string
args args
want bool
}{
{
name: "empty",
args: args{
rule: &rbacv1.PolicyRule{},
requestedName: "test",
},
want: true,
},
{
name: "not matched",
args: args{
rule: &rbacv1.PolicyRule{ResourceNames: []string{"foo", "bar"}},
requestedName: "test",
},
want: false,
},
{
name: "matched",
args: args{
rule: &rbacv1.PolicyRule{ResourceNames: []string{"foo", "test"}},
requestedName: "test",
},
want: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := PolicyRuleResourceNameMatches(tt.args.rule, tt.args.requestedName); got != tt.want {
t.Errorf("PolicyRuleResourceNameMatches() = %v, want %v", got, tt.want)
}
})
}
}