| /* |
| Copyright 2014 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 run |
| |
| import ( |
| "bytes" |
| "fmt" |
| "io/ioutil" |
| "net/http" |
| "os" |
| "reflect" |
| "strings" |
| "testing" |
| |
| "github.com/spf13/cobra" |
| |
| corev1 "k8s.io/api/core/v1" |
| apiequality "k8s.io/apimachinery/pkg/api/equality" |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| "k8s.io/apimachinery/pkg/runtime" |
| "k8s.io/apimachinery/pkg/util/intstr" |
| "k8s.io/cli-runtime/pkg/genericclioptions" |
| restclient "k8s.io/client-go/rest" |
| "k8s.io/client-go/rest/fake" |
| "k8s.io/kubernetes/pkg/kubectl/cmd/delete" |
| cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing" |
| cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util" |
| "k8s.io/kubernetes/pkg/kubectl/scheme" |
| "k8s.io/kubernetes/pkg/kubectl/util/i18n" |
| ) |
| |
| func TestGetRestartPolicy(t *testing.T) { |
| tests := []struct { |
| input string |
| interactive bool |
| expected corev1.RestartPolicy |
| expectErr bool |
| }{ |
| { |
| input: "", |
| expected: corev1.RestartPolicyAlways, |
| }, |
| { |
| input: "", |
| interactive: true, |
| expected: corev1.RestartPolicyOnFailure, |
| }, |
| { |
| input: string(corev1.RestartPolicyAlways), |
| interactive: true, |
| expected: corev1.RestartPolicyAlways, |
| }, |
| { |
| input: string(corev1.RestartPolicyNever), |
| interactive: true, |
| expected: corev1.RestartPolicyNever, |
| }, |
| { |
| input: string(corev1.RestartPolicyAlways), |
| expected: corev1.RestartPolicyAlways, |
| }, |
| { |
| input: string(corev1.RestartPolicyNever), |
| expected: corev1.RestartPolicyNever, |
| }, |
| { |
| input: "foo", |
| expectErr: true, |
| }, |
| } |
| for _, test := range tests { |
| cmd := &cobra.Command{} |
| cmd.Flags().String("restart", "", i18n.T("dummy restart flag)")) |
| cmd.Flags().Lookup("restart").Value.Set(test.input) |
| policy, err := getRestartPolicy(cmd, test.interactive) |
| if test.expectErr && err == nil { |
| t.Error("unexpected non-error") |
| } |
| if !test.expectErr && err != nil { |
| t.Errorf("unexpected error: %v", err) |
| } |
| if !test.expectErr && policy != test.expected { |
| t.Errorf("expected: %s, saw: %s (%s:%v)", test.expected, policy, test.input, test.interactive) |
| } |
| } |
| } |
| |
| func TestGetEnv(t *testing.T) { |
| test := struct { |
| input []string |
| expected []string |
| }{ |
| input: []string{"a=b", "c=d"}, |
| expected: []string{"a=b", "c=d"}, |
| } |
| cmd := &cobra.Command{} |
| cmd.Flags().StringSlice("env", test.input, "") |
| |
| envStrings := cmdutil.GetFlagStringSlice(cmd, "env") |
| if len(envStrings) != 2 || !reflect.DeepEqual(envStrings, test.expected) { |
| t.Errorf("expected: %s, saw: %s", test.expected, envStrings) |
| } |
| } |
| |
| func TestRunArgsFollowDashRules(t *testing.T) { |
| one := int32(1) |
| rc := &corev1.ReplicationController{ |
| ObjectMeta: metav1.ObjectMeta{Name: "rc1", Namespace: "test", ResourceVersion: "18"}, |
| Spec: corev1.ReplicationControllerSpec{ |
| Replicas: &one, |
| }, |
| } |
| |
| tests := []struct { |
| args []string |
| argsLenAtDash int |
| expectError bool |
| name string |
| }{ |
| { |
| args: []string{}, |
| argsLenAtDash: -1, |
| expectError: true, |
| name: "empty", |
| }, |
| { |
| args: []string{"foo"}, |
| argsLenAtDash: -1, |
| expectError: false, |
| name: "no cmd", |
| }, |
| { |
| args: []string{"foo", "sleep"}, |
| argsLenAtDash: -1, |
| expectError: false, |
| name: "cmd no dash", |
| }, |
| { |
| args: []string{"foo", "sleep"}, |
| argsLenAtDash: 1, |
| expectError: false, |
| name: "cmd has dash", |
| }, |
| { |
| args: []string{"foo", "sleep"}, |
| argsLenAtDash: 0, |
| expectError: true, |
| name: "no name", |
| }, |
| } |
| for _, test := range tests { |
| t.Run(test.name, func(t *testing.T) { |
| tf := cmdtesting.NewTestFactory().WithNamespace("test") |
| defer tf.Cleanup() |
| |
| codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...) |
| ns := scheme.Codecs |
| |
| tf.Client = &fake.RESTClient{ |
| GroupVersion: corev1.SchemeGroupVersion, |
| NegotiatedSerializer: ns, |
| Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) { |
| if req.URL.Path == "/namespaces/test/replicationcontrollers" { |
| return &http.Response{StatusCode: 201, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, rc)}, nil |
| } |
| return &http.Response{ |
| StatusCode: http.StatusOK, |
| Body: ioutil.NopCloser(bytes.NewBuffer([]byte("{}"))), |
| }, nil |
| }), |
| } |
| |
| tf.ClientConfigVal = &restclient.Config{} |
| |
| cmd := NewCmdRun(tf, genericclioptions.NewTestIOStreamsDiscard()) |
| cmd.Flags().Set("image", "nginx") |
| cmd.Flags().Set("generator", "run/v1") |
| |
| printFlags := genericclioptions.NewPrintFlags("created").WithTypeSetter(scheme.Scheme) |
| printer, err := printFlags.ToPrinter() |
| if err != nil { |
| t.Errorf("unexpected error: %v", err) |
| return |
| } |
| |
| deleteFlags := delete.NewDeleteFlags("to use to replace the resource.") |
| opts := &RunOptions{ |
| PrintFlags: printFlags, |
| DeleteOptions: deleteFlags.ToOptions(nil, genericclioptions.NewTestIOStreamsDiscard()), |
| |
| IOStreams: genericclioptions.NewTestIOStreamsDiscard(), |
| |
| Image: "nginx", |
| Generator: "run/v1", |
| |
| PrintObj: func(obj runtime.Object) error { |
| return printer.PrintObj(obj, os.Stdout) |
| }, |
| Recorder: genericclioptions.NoopRecorder{}, |
| |
| ArgsLenAtDash: test.argsLenAtDash, |
| } |
| |
| err = opts.Run(tf, cmd, test.args) |
| if test.expectError && err == nil { |
| t.Errorf("unexpected non-error (%s)", test.name) |
| } |
| if !test.expectError && err != nil { |
| t.Errorf("unexpected error: %v (%s)", err, test.name) |
| } |
| }) |
| } |
| } |
| |
| func TestGenerateService(t *testing.T) { |
| tests := []struct { |
| name string |
| port string |
| args []string |
| serviceGenerator string |
| params map[string]interface{} |
| expectErr bool |
| service corev1.Service |
| expectPOST bool |
| }{ |
| { |
| name: "basic", |
| port: "80", |
| args: []string{"foo"}, |
| serviceGenerator: "service/v2", |
| params: map[string]interface{}{ |
| "name": "foo", |
| }, |
| expectErr: false, |
| service: corev1.Service{ |
| TypeMeta: metav1.TypeMeta{ |
| Kind: "Service", |
| APIVersion: "v1", |
| }, |
| ObjectMeta: metav1.ObjectMeta{ |
| Name: "foo", |
| }, |
| Spec: corev1.ServiceSpec{ |
| Ports: []corev1.ServicePort{ |
| { |
| Port: 80, |
| Protocol: "TCP", |
| TargetPort: intstr.FromInt(80), |
| }, |
| }, |
| Selector: map[string]string{ |
| "run": "foo", |
| }, |
| }, |
| }, |
| expectPOST: true, |
| }, |
| { |
| name: "custom labels", |
| port: "80", |
| args: []string{"foo"}, |
| serviceGenerator: "service/v2", |
| params: map[string]interface{}{ |
| "name": "foo", |
| "labels": "app=bar", |
| }, |
| expectErr: false, |
| service: corev1.Service{ |
| TypeMeta: metav1.TypeMeta{ |
| Kind: "Service", |
| APIVersion: "v1", |
| }, |
| ObjectMeta: metav1.ObjectMeta{ |
| Name: "foo", |
| Labels: map[string]string{"app": "bar"}, |
| }, |
| Spec: corev1.ServiceSpec{ |
| Ports: []corev1.ServicePort{ |
| { |
| Port: 80, |
| Protocol: "TCP", |
| TargetPort: intstr.FromInt(80), |
| }, |
| }, |
| Selector: map[string]string{ |
| "app": "bar", |
| }, |
| }, |
| }, |
| expectPOST: true, |
| }, |
| { |
| expectErr: true, |
| name: "missing port", |
| expectPOST: false, |
| }, |
| { |
| name: "dry-run", |
| port: "80", |
| args: []string{"foo"}, |
| serviceGenerator: "service/v2", |
| params: map[string]interface{}{ |
| "name": "foo", |
| }, |
| expectErr: false, |
| expectPOST: false, |
| }, |
| } |
| for _, test := range tests { |
| t.Run(test.name, func(t *testing.T) { |
| sawPOST := false |
| tf := cmdtesting.NewTestFactory() |
| defer tf.Cleanup() |
| |
| codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...) |
| ns := scheme.Codecs |
| |
| tf.ClientConfigVal = cmdtesting.DefaultClientConfig() |
| tf.Client = &fake.RESTClient{ |
| GroupVersion: corev1.SchemeGroupVersion, |
| NegotiatedSerializer: ns, |
| Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) { |
| switch p, m := req.URL.Path, req.Method; { |
| case test.expectPOST && m == "POST" && p == "/namespaces/test/services": |
| sawPOST = true |
| body := cmdtesting.ObjBody(codec, &test.service) |
| data, err := ioutil.ReadAll(req.Body) |
| if err != nil { |
| t.Fatalf("unexpected error: %v", err) |
| } |
| defer req.Body.Close() |
| svc := &corev1.Service{} |
| if err := runtime.DecodeInto(codec, data, svc); err != nil { |
| t.Fatalf("unexpected error: %v", err) |
| } |
| // Copy things that are defaulted by the system |
| test.service.Annotations = svc.Annotations |
| |
| if !apiequality.Semantic.DeepEqual(&test.service, svc) { |
| t.Errorf("expected:\n%v\nsaw:\n%v\n", &test.service, svc) |
| } |
| return &http.Response{StatusCode: 200, Header: cmdtesting.DefaultHeader(), Body: body}, nil |
| default: |
| t.Errorf("%s: unexpected request: %s %#v\n%#v", test.name, req.Method, req.URL, req) |
| return nil, fmt.Errorf("unexpected request") |
| } |
| }), |
| } |
| |
| printFlags := genericclioptions.NewPrintFlags("created").WithTypeSetter(scheme.Scheme) |
| printer, err := printFlags.ToPrinter() |
| if err != nil { |
| t.Errorf("unexpected error: %v", err) |
| return |
| } |
| |
| ioStreams, _, buff, _ := genericclioptions.NewTestIOStreams() |
| deleteFlags := delete.NewDeleteFlags("to use to replace the resource.") |
| opts := &RunOptions{ |
| PrintFlags: printFlags, |
| DeleteOptions: deleteFlags.ToOptions(nil, genericclioptions.NewTestIOStreamsDiscard()), |
| |
| IOStreams: ioStreams, |
| |
| Port: test.port, |
| Recorder: genericclioptions.NoopRecorder{}, |
| |
| PrintObj: func(obj runtime.Object) error { |
| return printer.PrintObj(obj, buff) |
| }, |
| } |
| |
| cmd := &cobra.Command{} |
| cmd.Flags().Bool(cmdutil.ApplyAnnotationsFlag, false, "") |
| cmd.Flags().Bool("record", false, "Record current kubectl command in the resource annotation. If set to false, do not record the command. If set to true, record the command. If not set, default to updating the existing annotation value only if one already exists.") |
| addRunFlags(cmd, opts) |
| |
| if !test.expectPOST { |
| opts.DryRun = true |
| } |
| |
| if len(test.port) > 0 { |
| cmd.Flags().Set("port", test.port) |
| test.params["port"] = test.port |
| } |
| |
| _, err = opts.generateService(tf, cmd, test.serviceGenerator, test.params, "test") |
| if test.expectErr { |
| if err == nil { |
| t.Error("unexpected non-error") |
| } |
| return |
| } |
| if err != nil { |
| t.Errorf("unexpected error: %v", err) |
| } |
| if test.expectPOST != sawPOST { |
| t.Errorf("expectPost: %v, sawPost: %v", test.expectPOST, sawPOST) |
| } |
| }) |
| } |
| } |
| |
| func TestRunValidations(t *testing.T) { |
| tests := []struct { |
| name string |
| args []string |
| flags map[string]string |
| expectedErr string |
| }{ |
| { |
| name: "test missing name error", |
| expectedErr: "NAME is required", |
| }, |
| { |
| name: "test missing --image error", |
| args: []string{"test"}, |
| expectedErr: "--image is required", |
| }, |
| { |
| name: "test invalid image name error", |
| args: []string{"test"}, |
| flags: map[string]string{ |
| "image": "#", |
| }, |
| expectedErr: "Invalid image name", |
| }, |
| { |
| name: "test stdin replicas value", |
| args: []string{"test"}, |
| flags: map[string]string{ |
| "image": "busybox", |
| "stdin": "true", |
| "replicas": "2", |
| }, |
| expectedErr: "stdin requires that replicas is 1", |
| }, |
| { |
| name: "test rm errors when used on non-attached containers", |
| args: []string{"test"}, |
| flags: map[string]string{ |
| "image": "busybox", |
| "rm": "true", |
| }, |
| expectedErr: "rm should only be used for attached containers", |
| }, |
| { |
| name: "test error on attached containers options", |
| args: []string{"test"}, |
| flags: map[string]string{ |
| "image": "busybox", |
| "attach": "true", |
| "dry-run": "true", |
| }, |
| expectedErr: "can't be used with attached containers options", |
| }, |
| { |
| name: "test error on attached containers options, with value from stdin", |
| args: []string{"test"}, |
| flags: map[string]string{ |
| "image": "busybox", |
| "stdin": "true", |
| "dry-run": "true", |
| }, |
| expectedErr: "can't be used with attached containers options", |
| }, |
| { |
| name: "test error on attached containers options, with value from stdin and tty", |
| args: []string{"test"}, |
| flags: map[string]string{ |
| "image": "busybox", |
| "tty": "true", |
| "stdin": "true", |
| "dry-run": "true", |
| }, |
| expectedErr: "can't be used with attached containers options", |
| }, |
| { |
| name: "test error when tty=true and no stdin provided", |
| args: []string{"test"}, |
| flags: map[string]string{ |
| "image": "busybox", |
| "tty": "true", |
| }, |
| expectedErr: "stdin is required for containers with -t/--tty", |
| }, |
| } |
| for _, test := range tests { |
| t.Run(test.name, func(t *testing.T) { |
| tf := cmdtesting.NewTestFactory().WithNamespace("test") |
| defer tf.Cleanup() |
| |
| _, _, codec := cmdtesting.NewExternalScheme() |
| tf.Client = &fake.RESTClient{ |
| NegotiatedSerializer: scheme.Codecs, |
| Resp: &http.Response{StatusCode: 200, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, cmdtesting.NewInternalType("", "", ""))}, |
| } |
| tf.ClientConfigVal = cmdtesting.DefaultClientConfig() |
| |
| streams, _, _, bufErr := genericclioptions.NewTestIOStreams() |
| cmdutil.BehaviorOnFatal(func(str string, code int) { |
| bufErr.Write([]byte(str)) |
| }) |
| |
| cmd := NewCmdRun(tf, streams) |
| for flagName, flagValue := range test.flags { |
| cmd.Flags().Set(flagName, flagValue) |
| } |
| cmd.Run(cmd, test.args) |
| |
| var err error |
| if bufErr.Len() > 0 { |
| err = fmt.Errorf("%v", bufErr.String()) |
| } |
| if err != nil && len(test.expectedErr) > 0 { |
| if !strings.Contains(err.Error(), test.expectedErr) { |
| t.Errorf("unexpected error: %v", err) |
| } |
| } |
| }) |
| } |
| |
| } |
