kubernetes group_adder_test 源码

  • 2022-09-18
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kubernetes group_adder_test 代码

文件路径:/staging/src/k8s.io/apiserver/pkg/authentication/group/group_adder_test.go

/*
Copyright 2016 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 group

import (
	"net/http"
	"reflect"
	"testing"

	"k8s.io/apiserver/pkg/authentication/authenticator"
	"k8s.io/apiserver/pkg/authentication/user"
)

func TestGroupAdder(t *testing.T) {
	capacity := make([]string, 0, 1024)
	response := &authenticator.Response{User: &user.DefaultInfo{Name: "user", Groups: append(capacity, "original")}}
	orig := toJson(response)

	adder := authenticator.Request(
		NewGroupAdder(
			authenticator.RequestFunc(func(req *http.Request) (*authenticator.Response, bool, error) {
				return response, true, nil
			}),
			[]string{"added"},
		),
	)

	r, _, _ := adder.AuthenticateRequest(nil)
	if want := []string{"original", "added"}; !reflect.DeepEqual(r.User.GetGroups(), want) {
		t.Errorf("Unexpected groups\ngot:\t%#v\nwant:\t%#v", r.User.GetGroups(), want)
	}

	if got := toJson(response); got != orig {
		t.Errorf("Expected response from delegate to be unmodified: orig=%v got=%v", orig, got)
	}
}

func TestAuthenticatedGroupAdder(t *testing.T) {
	tests := []struct {
		name         string
		inputUser    *user.DefaultInfo
		expectedUser user.Info
	}{
		{
			name: "add",
			inputUser: &user.DefaultInfo{
				Name:   "user",
				Groups: []string{"some-group"},
			},
			expectedUser: &user.DefaultInfo{
				Name:   "user",
				Groups: []string{"some-group", user.AllAuthenticated},
			},
		},
		{
			name: "don't double add",
			inputUser: &user.DefaultInfo{
				Name:   "user",
				Groups: []string{user.AllAuthenticated, "some-group"},
			},
			expectedUser: &user.DefaultInfo{
				Name:   "user",
				Groups: []string{user.AllAuthenticated, "some-group"},
			},
		},
		{
			name: "don't add for anon",
			inputUser: &user.DefaultInfo{
				Name:   user.Anonymous,
				Groups: []string{"some-group"},
			},
			expectedUser: &user.DefaultInfo{
				Name:   user.Anonymous,
				Groups: []string{"some-group"},
			},
		},
		{
			name: "don't add for unauthenticated group",
			inputUser: &user.DefaultInfo{
				Name:   "user",
				Groups: []string{user.AllUnauthenticated, "some-group"},
			},
			expectedUser: &user.DefaultInfo{
				Name:   "user",
				Groups: []string{user.AllUnauthenticated, "some-group"},
			},
		},
	}

	for _, test := range tests {
		capacity := make([]string, 0, 1024)
		user := test.inputUser
		user.Groups = append(capacity, user.Groups...) // make sure there is capacity in the groups array to trigger potential mutation
		response := &authenticator.Response{User: user}
		orig := toJson(response)

		adder := authenticator.Request(
			NewAuthenticatedGroupAdder(
				authenticator.RequestFunc(func(req *http.Request) (*authenticator.Response, bool, error) {
					return response, true, nil
				}),
			),
		)

		r, _, _ := adder.AuthenticateRequest(nil)
		if !reflect.DeepEqual(r.User, test.expectedUser) {
			t.Errorf("Unexpected user\ngot:\t%#v\nwant:\t%#v", r.User, test.expectedUser)
		}

		if got := toJson(response); got != orig {
			t.Errorf("Expected response from delegate to be unmodified: orig=%v got=%v", orig, got)
		}
	}

}

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