k3s/pkg/kubectl/cmd/create_role_test.go

525 lines
12 KiB
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 cmd
import (
"bytes"
"io"
"reflect"
"testing"
"k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/rest/fake"
"k8s.io/kubernetes/pkg/apis/rbac"
cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
)
type testRolePrinter struct {
CachedRole *rbac.Role
}
func (t *testRolePrinter) PrintObj(obj runtime.Object, out io.Writer) error {
t.CachedRole = obj.(*rbac.Role)
return nil
}
func (t *testRolePrinter) AfterPrint(output io.Writer, res string) error {
return nil
}
func (t *testRolePrinter) HandledResources() []string {
return []string{}
}
func (t *testRolePrinter) IsGeneric() bool {
return true
}
func TestCreateRole(t *testing.T) {
roleName := "my-role"
f, tf, _, _ := cmdtesting.NewAPIFactory()
printer := &testRolePrinter{}
tf.Printer = printer
tf.Namespace = "test"
tf.Client = &fake.RESTClient{}
tf.ClientConfig = defaultClientConfig()
tests := map[string]struct {
verbs string
resources string
resourceNames string
expectedRole *rbac.Role
}{
"test-duplicate-resources": {
verbs: "get,watch,list",
resources: "pods,pods",
expectedRole: &rbac.Role{
ObjectMeta: v1.ObjectMeta{
Name: roleName,
},
Rules: []rbac.PolicyRule{
{
Verbs: []string{"get", "watch", "list"},
Resources: []string{"pods"},
APIGroups: []string{""},
ResourceNames: []string{},
},
},
},
},
"test-subresources": {
verbs: "get,watch,list",
resources: "replicasets/scale",
expectedRole: &rbac.Role{
ObjectMeta: v1.ObjectMeta{
Name: roleName,
},
Rules: []rbac.PolicyRule{
{
Verbs: []string{"get", "watch", "list"},
Resources: []string{"replicasets/scale"},
APIGroups: []string{"extensions"},
ResourceNames: []string{},
},
},
},
},
"test-subresources-with-apigroup": {
verbs: "get,watch,list",
resources: "replicasets.extensions/scale",
expectedRole: &rbac.Role{
ObjectMeta: v1.ObjectMeta{
Name: roleName,
},
Rules: []rbac.PolicyRule{
{
Verbs: []string{"get", "watch", "list"},
Resources: []string{"replicasets/scale"},
APIGroups: []string{"extensions"},
ResourceNames: []string{},
},
},
},
},
"test-valid-case-with-multiple-apigroups": {
verbs: "get,watch,list",
resources: "pods,deployments.extensions",
expectedRole: &rbac.Role{
ObjectMeta: v1.ObjectMeta{
Name: roleName,
},
Rules: []rbac.PolicyRule{
{
Verbs: []string{"get", "watch", "list"},
Resources: []string{"pods"},
APIGroups: []string{""},
ResourceNames: []string{},
},
{
Verbs: []string{"get", "watch", "list"},
Resources: []string{"deployments"},
APIGroups: []string{"extensions"},
ResourceNames: []string{},
},
},
},
},
}
for name, test := range tests {
buf := bytes.NewBuffer([]byte{})
cmd := NewCmdCreateRole(f, buf)
cmd.Flags().Set("dry-run", "true")
cmd.Flags().Set("output", "object")
cmd.Flags().Set("verb", test.verbs)
cmd.Flags().Set("resource", test.resources)
if test.resourceNames != "" {
cmd.Flags().Set("resource-name", test.resourceNames)
}
cmd.Run(cmd, []string{roleName})
if !reflect.DeepEqual(test.expectedRole, printer.CachedRole) {
t.Errorf("%s:\nexpected:\n%#v\nsaw:\n%#v", name, test.expectedRole, printer.CachedRole)
}
}
}
func TestValidate(t *testing.T) {
f, tf, _, _ := cmdtesting.NewAPIFactory()
tf.Printer = &testPrinter{}
tf.Namespace = "test"
tests := map[string]struct {
roleOptions *CreateRoleOptions
expectErr bool
}{
"test-missing-name": {
roleOptions: &CreateRoleOptions{},
expectErr: true,
},
"test-missing-verb": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
},
expectErr: true,
},
"test-missing-resource": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
Verbs: []string{"get"},
},
expectErr: true,
},
"test-missing-resource-existing-apigroup": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
Verbs: []string{"get"},
Resources: []ResourceOptions{
{
Group: "extensions",
},
},
},
expectErr: true,
},
"test-missing-resource-existing-subresource": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
Verbs: []string{"get"},
Resources: []ResourceOptions{
{
SubResource: "scale",
},
},
},
expectErr: true,
},
"test-invalid-verb": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
Verbs: []string{"invalid-verb"},
Resources: []ResourceOptions{
{
Resource: "pods",
},
},
},
expectErr: true,
},
"test-nonresource-verb": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
Verbs: []string{"post"},
Resources: []ResourceOptions{
{
Resource: "pods",
},
},
},
expectErr: true,
},
"test-special-verb": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
Verbs: []string{"use"},
Resources: []ResourceOptions{
{
Resource: "pods",
},
},
},
expectErr: true,
},
"test-mix-verbs": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
Verbs: []string{"impersonate", "use"},
Resources: []ResourceOptions{
{
Resource: "userextras",
SubResource: "scopes",
},
},
},
expectErr: true,
},
"test-special-verb-with-wrong-apigroup": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
Verbs: []string{"impersonate"},
Resources: []ResourceOptions{
{
Resource: "userextras",
SubResource: "scopes",
Group: "extensions",
},
},
},
expectErr: true,
},
"test-invalid-resource": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
Verbs: []string{"get"},
Resources: []ResourceOptions{
{
Resource: "invalid-resource",
},
},
},
expectErr: true,
},
"test-resource-name-with-multiple-resources": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
Verbs: []string{"get"},
Resources: []ResourceOptions{
{
Resource: "pods",
},
{
Resource: "deployments",
Group: "extensions",
},
},
ResourceNames: []string{"foo"},
},
expectErr: false,
},
"test-valid-case": {
roleOptions: &CreateRoleOptions{
Name: "role-binder",
Verbs: []string{"get", "list", "bind"},
Resources: []ResourceOptions{
{
Resource: "roles",
Group: "rbac.authorization.k8s.io",
},
},
ResourceNames: []string{"foo"},
},
expectErr: false,
},
"test-valid-case-with-subresource": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
Verbs: []string{"get", "list"},
Resources: []ResourceOptions{
{
Resource: "replicasets",
SubResource: "scale",
},
},
ResourceNames: []string{"bar"},
},
expectErr: false,
},
"test-valid-case-with-additional-resource": {
roleOptions: &CreateRoleOptions{
Name: "my-role",
Verbs: []string{"impersonate"},
Resources: []ResourceOptions{
{
Resource: "userextras",
SubResource: "scopes",
Group: "authentication.k8s.io",
},
},
},
expectErr: false,
},
}
for name, test := range tests {
test.roleOptions.Mapper, _ = f.Object()
err := test.roleOptions.Validate()
if test.expectErr && err == nil {
t.Errorf("%s: expect error happens but validate passes.", name)
}
if !test.expectErr && err != nil {
t.Errorf("%s: unexpected error: %v", name, err)
}
}
}
func TestComplete(t *testing.T) {
roleName := "my-role"
f, tf, _, _ := cmdtesting.NewAPIFactory()
tf.Printer = &testPrinter{}
tf.Namespace = "test"
tf.Client = &fake.RESTClient{}
tf.ClientConfig = defaultClientConfig()
buf := bytes.NewBuffer([]byte{})
cmd := NewCmdCreateRole(f, buf)
cmd.Flags().Set("resource", "pods,deployments.extensions")
tests := map[string]struct {
params []string
roleOptions *CreateRoleOptions
expected *CreateRoleOptions
expectErr bool
}{
"test-missing-name": {
params: []string{},
roleOptions: &CreateRoleOptions{},
expectErr: true,
},
"test-duplicate-verbs": {
params: []string{roleName},
roleOptions: &CreateRoleOptions{
Name: roleName,
Verbs: []string{
"get",
"watch",
"list",
"get",
},
},
expected: &CreateRoleOptions{
Name: roleName,
Verbs: []string{
"get",
"watch",
"list",
},
Resources: []ResourceOptions{
{
Resource: "pods",
Group: "",
},
{
Resource: "deployments",
Group: "extensions",
},
},
ResourceNames: []string{},
},
expectErr: false,
},
"test-verball": {
params: []string{roleName},
roleOptions: &CreateRoleOptions{
Name: roleName,
Verbs: []string{
"get",
"watch",
"list",
"*",
},
},
expected: &CreateRoleOptions{
Name: roleName,
Verbs: []string{"*"},
Resources: []ResourceOptions{
{
Resource: "pods",
Group: "",
},
{
Resource: "deployments",
Group: "extensions",
},
},
ResourceNames: []string{},
},
expectErr: false,
},
"test-duplicate-resourcenames": {
params: []string{roleName},
roleOptions: &CreateRoleOptions{
Name: roleName,
Verbs: []string{"*"},
ResourceNames: []string{"foo", "foo"},
},
expected: &CreateRoleOptions{
Name: roleName,
Verbs: []string{"*"},
Resources: []ResourceOptions{
{
Resource: "pods",
Group: "",
},
{
Resource: "deployments",
Group: "extensions",
},
},
ResourceNames: []string{"foo"},
},
expectErr: false,
},
"test-valid-complete-case": {
params: []string{roleName},
roleOptions: &CreateRoleOptions{
Name: roleName,
Verbs: []string{"*"},
ResourceNames: []string{"foo"},
},
expected: &CreateRoleOptions{
Name: roleName,
Verbs: []string{"*"},
Resources: []ResourceOptions{
{
Resource: "pods",
Group: "",
},
{
Resource: "deployments",
Group: "extensions",
},
},
ResourceNames: []string{"foo"},
},
expectErr: false,
},
}
for name, test := range tests {
err := test.roleOptions.Complete(f, cmd, test.params)
if !test.expectErr && err != nil {
t.Errorf("%s: unexpected error: %v", name, err)
}
if test.expectErr {
if err != nil {
continue
} else {
t.Errorf("%s: expect error happens but test passes.", name)
}
}
if test.roleOptions.Name != test.expected.Name {
t.Errorf("%s:\nexpected name:\n%#v\nsaw name:\n%#v", name, test.expected.Name, test.roleOptions.Name)
}
if !reflect.DeepEqual(test.roleOptions.Verbs, test.expected.Verbs) {
t.Errorf("%s:\nexpected verbs:\n%#v\nsaw verbs:\n%#v", name, test.expected.Verbs, test.roleOptions.Verbs)
}
if !reflect.DeepEqual(test.roleOptions.Resources, test.expected.Resources) {
t.Errorf("%s:\nexpected resources:\n%#v\nsaw resources:\n%#v", name, test.expected.Resources, test.roleOptions.Resources)
}
if !reflect.DeepEqual(test.roleOptions.ResourceNames, test.expected.ResourceNames) {
t.Errorf("%s:\nexpected resource names:\n%#v\nsaw resource names:\n%#v", name, test.expected.ResourceNames, test.roleOptions.ResourceNames)
}
}
}