| /* |
| 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 config |
| |
| import ( |
| "bytes" |
| "fmt" |
| "io/ioutil" |
| "os" |
| "reflect" |
| "testing" |
| |
| "k8s.io/client-go/tools/clientcmd" |
| clientcmdapi "k8s.io/client-go/tools/clientcmd/api" |
| ) |
| |
| type deleteContextTest struct { |
| config clientcmdapi.Config |
| contextToDelete string |
| expectedContexts []string |
| expectedOut string |
| } |
| |
| func TestDeleteContext(t *testing.T) { |
| conf := clientcmdapi.Config{ |
| Contexts: map[string]*clientcmdapi.Context{ |
| "minikube": {Cluster: "minikube"}, |
| "otherkube": {Cluster: "otherkube"}, |
| }, |
| } |
| test := deleteContextTest{ |
| config: conf, |
| contextToDelete: "minikube", |
| expectedContexts: []string{"otherkube"}, |
| expectedOut: "deleted context minikube from %s\n", |
| } |
| |
| test.run(t) |
| } |
| |
| func (test deleteContextTest) run(t *testing.T) { |
| fakeKubeFile, err := ioutil.TempFile("", "") |
| if err != nil { |
| t.Fatalf("unexpected error: %v", err) |
| } |
| defer os.Remove(fakeKubeFile.Name()) |
| err = clientcmd.WriteToFile(test.config, fakeKubeFile.Name()) |
| if err != nil { |
| t.Fatalf("unexpected error: %v", err) |
| } |
| |
| pathOptions := clientcmd.NewDefaultPathOptions() |
| pathOptions.GlobalFile = fakeKubeFile.Name() |
| pathOptions.EnvVar = "" |
| |
| buf := bytes.NewBuffer([]byte{}) |
| errBuf := bytes.NewBuffer([]byte{}) |
| cmd := NewCmdConfigDeleteContext(buf, errBuf, pathOptions) |
| cmd.SetArgs([]string{test.contextToDelete}) |
| if err := cmd.Execute(); err != nil { |
| t.Fatalf("unexpected error executing command: %v", err) |
| } |
| |
| expectedOutWithFile := fmt.Sprintf(test.expectedOut, fakeKubeFile.Name()) |
| if expectedOutWithFile != buf.String() { |
| t.Errorf("expected output %s, but got %s", expectedOutWithFile, buf.String()) |
| return |
| } |
| |
| // Verify context was removed from kubeconfig file |
| config, err := clientcmd.LoadFromFile(fakeKubeFile.Name()) |
| if err != nil { |
| t.Fatalf("unexpected error loading kubeconfig file: %v", err) |
| } |
| |
| contexts := make([]string, 0, len(config.Contexts)) |
| for k := range config.Contexts { |
| contexts = append(contexts, k) |
| } |
| |
| if !reflect.DeepEqual(test.expectedContexts, contexts) { |
| t.Errorf("expected contexts %v, but found %v in kubeconfig", test.expectedContexts, contexts) |
| } |
| } |