/* 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 auth import ( "bytes" "fmt" "io" "strings" "testing" authenticationv1 "k8s.io/api/authentication/v1" authenticationv1alpha1 "k8s.io/api/authentication/v1alpha1" authenticationv1beta1 "k8s.io/api/authentication/v1beta1" corev1 "k8s.io/api/core/v1" "k8s.io/apimachinery/pkg/api/errors" "k8s.io/apimachinery/pkg/runtime" "k8s.io/cli-runtime/pkg/printers" authfake "k8s.io/client-go/kubernetes/fake" core "k8s.io/client-go/testing" cmdtesting "k8s.io/kubectl/pkg/cmd/testing" "k8s.io/kubectl/pkg/scheme" ) func TestWhoAmIRun(t *testing.T) { tests := []struct { name string o *WhoAmIOptions args []string serverErr error alphaDisabled bool betaDisabled bool stableDisabled bool expectedError error expectedBodyStrings []string }{ { name: "success test", o: &WhoAmIOptions{ resourcePrinterFunc: printTableSelfSubjectAccessReview, }, args: []string{}, expectedBodyStrings: []string{ `ATTRIBUTE VALUE`, `Username jane.doe`, `UID uniq-id`, `Groups [students teachers]`, `Extra: skills [reading learning]`, `Extra: subjects [math sports]`, ``, }, }, { name: "JSON test", o: &WhoAmIOptions{ resourcePrinterFunc: printers.NewTypeSetter(scheme.Scheme).ToPrinter(&printers.JSONPrinter{}).PrintObj, }, args: []string{}, expectedBodyStrings: []string{ `{ "kind": "SelfSubjectReview", "apiVersion": "authentication.k8s.io/v1", "metadata": { "creationTimestamp": null }, "status": { "userInfo": { "username": "jane.doe", "uid": "uniq-id", "groups": [ "students", "teachers" ], "extra": { "skills": [ "reading", "learning" ], "subjects": [ "math", "sports" ] } } } } `, }, }, { name: "success test no alpha", o: &WhoAmIOptions{ resourcePrinterFunc: printTableSelfSubjectAccessReview, }, args: []string{}, alphaDisabled: true, expectedBodyStrings: []string{ `ATTRIBUTE VALUE`, `Username jane.doe`, `UID uniq-id`, `Groups [students teachers]`, `Extra: skills [reading learning]`, `Extra: subjects [math sports]`, ``, }, }, { name: "JSON test no alpha and stable", o: &WhoAmIOptions{ resourcePrinterFunc: printers.NewTypeSetter(scheme.Scheme).ToPrinter(&printers.JSONPrinter{}).PrintObj, }, args: []string{}, alphaDisabled: true, stableDisabled: true, expectedBodyStrings: []string{ `{ "kind": "SelfSubjectReview", "apiVersion": "authentication.k8s.io/v1beta1", "metadata": { "creationTimestamp": null }, "status": { "userInfo": { "username": "jane.doe", "uid": "uniq-id", "groups": [ "students", "teachers" ], "extra": { "skills": [ "reading", "learning" ], "subjects": [ "math", "sports" ] } } } } `, }, }, { name: "success test no beta", o: &WhoAmIOptions{ resourcePrinterFunc: printTableSelfSubjectAccessReview, }, args: []string{}, betaDisabled: true, expectedBodyStrings: []string{ `ATTRIBUTE VALUE`, `Username jane.doe`, `UID uniq-id`, `Groups [students teachers]`, `Extra: skills [reading learning]`, `Extra: subjects [math sports]`, ``, }, }, { name: "JSON test no beta", o: &WhoAmIOptions{ resourcePrinterFunc: printers.NewTypeSetter(scheme.Scheme).ToPrinter(&printers.JSONPrinter{}).PrintObj, }, args: []string{}, betaDisabled: true, expectedBodyStrings: []string{ `{ "kind": "SelfSubjectReview", "apiVersion": "authentication.k8s.io/v1", "metadata": { "creationTimestamp": null }, "status": { "userInfo": { "username": "jane.doe", "uid": "uniq-id", "groups": [ "students", "teachers" ], "extra": { "skills": [ "reading", "learning" ], "subjects": [ "math", "sports" ] } } } } `, }, }, { name: "all API disabled", o: &WhoAmIOptions{ resourcePrinterFunc: printTableSelfSubjectAccessReview, }, args: []string{}, betaDisabled: true, alphaDisabled: true, stableDisabled: true, expectedError: notEnabledErr, }, { name: "Forbidden error", o: &WhoAmIOptions{ resourcePrinterFunc: printTableSelfSubjectAccessReview, }, args: []string{}, serverErr: errors.NewForbidden( corev1.Resource("selfsubjectreviews"), "foo", fmt.Errorf("error"), ), expectedError: forbiddenErr, expectedBodyStrings: []string{}, }, { name: "NotFound error", o: &WhoAmIOptions{ resourcePrinterFunc: printTableSelfSubjectAccessReview, }, args: []string{}, serverErr: errors.NewNotFound(corev1.Resource("selfsubjectreviews"), "foo"), expectedError: notEnabledErr, expectedBodyStrings: []string{}, }, { name: "Server error", o: &WhoAmIOptions{ resourcePrinterFunc: printTableSelfSubjectAccessReview, }, args: []string{}, serverErr: fmt.Errorf("a random server-side error"), expectedError: fmt.Errorf("a random server-side error"), expectedBodyStrings: []string{}, }, } for _, test := range tests { t.Run(test.name, func(t *testing.T) { var b bytes.Buffer test.o.Out = &b test.o.ErrOut = io.Discard tf := cmdtesting.NewTestFactory().WithNamespace("test") defer tf.Cleanup() fakeAuthClientSet := &authfake.Clientset{} fakeAuthClientSet.AddReactor("create", "selfsubjectreviews", func(action core.Action) (handled bool, ret runtime.Object, err error) { if test.serverErr != nil { return true, nil, test.serverErr } ui := authenticationv1.UserInfo{ Username: "jane.doe", UID: "uniq-id", Groups: []string{"students", "teachers"}, Extra: map[string]authenticationv1.ExtraValue{ "subjects": {"math", "sports"}, "skills": {"reading", "learning"}, }, } switch action.GetResource().GroupVersion().String() { case "authentication.k8s.io/v1alpha1": if test.alphaDisabled { return true, nil, errors.NewNotFound(corev1.Resource("selfsubjectreviews"), "foo") } res := &authenticationv1alpha1.SelfSubjectReview{ Status: authenticationv1alpha1.SelfSubjectReviewStatus{ UserInfo: ui, }, } return true, res, nil case "authentication.k8s.io/v1beta1": if test.betaDisabled { return true, nil, errors.NewNotFound(corev1.Resource("selfsubjectreviews"), "foo") } res := &authenticationv1beta1.SelfSubjectReview{ Status: authenticationv1beta1.SelfSubjectReviewStatus{ UserInfo: ui, }, } return true, res, nil case "authentication.k8s.io/v1": if test.stableDisabled { return true, nil, errors.NewNotFound(corev1.Resource("selfsubjectreviews"), "foo") } res := &authenticationv1.SelfSubjectReview{ Status: authenticationv1.SelfSubjectReviewStatus{ UserInfo: ui, }, } return true, res, nil default: return false, nil, fmt.Errorf("unknown API") } }) test.o.authV1beta1Client = fakeAuthClientSet.AuthenticationV1beta1() test.o.authV1alpha1Client = fakeAuthClientSet.AuthenticationV1alpha1() test.o.authV1Client = fakeAuthClientSet.AuthenticationV1() err := test.o.Run() switch { case test.expectedError == nil && err == nil: // pass case err != nil && test.expectedError != nil && strings.Contains(err.Error(), test.expectedError.Error()): // pass default: t.Errorf("%s: expected %v, got %v", test.name, test.expectedError, err) return } res := b.String() expectedBody := strings.Join(test.expectedBodyStrings, "\n") if expectedBody != res { t.Errorf("%s: expected \n%q, got \n%q", test.name, expectedBody, res) } }) } }