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kube-apiserver: add a bootstrap token authenticator for TLS bootstrapping
This commit is contained in:
Eric Chiang
228
plugin/pkg/auth/authenticator/token/bootstrap/bootstrap_test.go
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228
plugin/pkg/auth/authenticator/token/bootstrap/bootstrap_test.go
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package bootstrap
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import (
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"reflect"
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"testing"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apiserver/pkg/authentication/user"
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"k8s.io/kubernetes/pkg/api"
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bootstrapapi "k8s.io/kubernetes/pkg/bootstrap/api"
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)
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type lister struct {
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secrets []*api.Secret
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}
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func (l *lister) List(selector labels.Selector) (ret []*api.Secret, err error) {
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return l.secrets, nil
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}
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func (l *lister) Get(name string) (*api.Secret, error) {
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for _, s := range l.secrets {
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if s.Name == name {
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return s, nil
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}
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}
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return nil, errors.NewNotFound(schema.GroupResource{}, name)
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}
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const (
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tokenID = "foobar" // 6 letters
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tokenSecret = "circumnavigation" // 16 letters
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)
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func TestTokenAuthenticator(t *testing.T) {
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tests := []struct {
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name string
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secrets []*api.Secret
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token string
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wantNotFound bool
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wantUser *user.DefaultInfo
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}{
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{
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name: "valid token",
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secrets: []*api.Secret{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: bootstrapapi.BootstrapTokenSecretPrefix + tokenID,
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},
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Data: map[string][]byte{
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bootstrapapi.BootstrapTokenIDKey: []byte(tokenID),
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bootstrapapi.BootstrapTokenSecretKey: []byte(tokenSecret),
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bootstrapapi.BootstrapTokenUsageAuthentication: []byte("true"),
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},
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Type: "bootstrap.kubernetes.io/token",
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},
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},
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token: tokenID + "." + tokenSecret,
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wantUser: &user.DefaultInfo{
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Name: "system:bootstrap:" + tokenID,
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Groups: []string{"system:bootstrappers"},
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},
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},
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{
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name: "invalid secret name",
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secrets: []*api.Secret{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "bad-name",
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},
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Data: map[string][]byte{
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bootstrapapi.BootstrapTokenIDKey: []byte(tokenID),
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bootstrapapi.BootstrapTokenSecretKey: []byte(tokenSecret),
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bootstrapapi.BootstrapTokenUsageAuthentication: []byte("true"),
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},
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Type: "bootstrap.kubernetes.io/token",
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},
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},
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token: tokenID + "." + tokenSecret,
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wantNotFound: true,
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},
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{
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name: "no usage",
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secrets: []*api.Secret{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: bootstrapapi.BootstrapTokenSecretPrefix + tokenID,
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},
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Data: map[string][]byte{
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bootstrapapi.BootstrapTokenIDKey: []byte(tokenID),
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bootstrapapi.BootstrapTokenSecretKey: []byte(tokenSecret),
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},
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Type: "bootstrap.kubernetes.io/token",
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},
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},
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token: tokenID + "." + tokenSecret,
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wantNotFound: true,
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},
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{
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name: "wrong token",
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secrets: []*api.Secret{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: bootstrapapi.BootstrapTokenSecretPrefix + tokenID,
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},
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Data: map[string][]byte{
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bootstrapapi.BootstrapTokenIDKey: []byte(tokenID),
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bootstrapapi.BootstrapTokenSecretKey: []byte(tokenSecret),
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bootstrapapi.BootstrapTokenUsageAuthentication: []byte("true"),
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},
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Type: "bootstrap.kubernetes.io/token",
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},
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},
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token: "barfoo" + "." + tokenSecret,
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wantNotFound: true,
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},
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{
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name: "expired token",
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secrets: []*api.Secret{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: bootstrapapi.BootstrapTokenSecretPrefix + tokenID,
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},
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Data: map[string][]byte{
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bootstrapapi.BootstrapTokenIDKey: []byte(tokenID),
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bootstrapapi.BootstrapTokenSecretKey: []byte(tokenSecret),
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bootstrapapi.BootstrapTokenUsageAuthentication: []byte("true"),
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bootstrapapi.BootstrapTokenExpirationKey: []byte("2009-11-10T23:00:00Z"),
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},
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Type: "bootstrap.kubernetes.io/token",
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},
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},
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token: tokenID + "." + tokenSecret,
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wantNotFound: true,
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},
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{
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name: "not expired token",
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secrets: []*api.Secret{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: bootstrapapi.BootstrapTokenSecretPrefix + tokenID,
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},
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Data: map[string][]byte{
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bootstrapapi.BootstrapTokenIDKey: []byte(tokenID),
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bootstrapapi.BootstrapTokenSecretKey: []byte(tokenSecret),
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bootstrapapi.BootstrapTokenUsageAuthentication: []byte("true"),
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bootstrapapi.BootstrapTokenExpirationKey: []byte("2109-11-10T23:00:00Z"),
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},
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Type: "bootstrap.kubernetes.io/token",
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},
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},
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token: tokenID + "." + tokenSecret,
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wantUser: &user.DefaultInfo{
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Name: "system:bootstrap:" + tokenID,
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Groups: []string{"system:bootstrappers"},
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},
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},
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{
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name: "token id wrong length",
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secrets: []*api.Secret{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: bootstrapapi.BootstrapTokenSecretPrefix + "foo",
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},
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Data: map[string][]byte{
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bootstrapapi.BootstrapTokenIDKey: []byte("foo"),
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bootstrapapi.BootstrapTokenSecretKey: []byte(tokenSecret),
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bootstrapapi.BootstrapTokenUsageAuthentication: []byte("true"),
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},
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Type: "bootstrap.kubernetes.io/token",
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},
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},
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// Token ID must be 6 characters.
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token: "foo" + "." + tokenSecret,
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wantNotFound: true,
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},
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}
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for _, test := range tests {
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func() {
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a := NewTokenAuthenticator(&lister{test.secrets})
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u, found, err := a.AuthenticateToken(test.token)
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if err != nil {
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t.Errorf("test %q returned an error: %v", test.name, err)
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return
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}
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if !found {
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if !test.wantNotFound {
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t.Errorf("test %q expected to get user", test.name)
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}
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return
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}
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if test.wantNotFound {
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t.Errorf("test %q expected to not get a user", test.name)
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return
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}
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gotUser := u.(*user.DefaultInfo)
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if !reflect.DeepEqual(gotUser, test.wantUser) {
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t.Errorf("test %q want user=%#v, got=%#v", test.name, test.wantUser, gotUser)
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}
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}()
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}
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}
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