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https://github.com/optim-enterprises-bv/kubernetes.git
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99 lines
2.6 KiB
Go
99 lines
2.6 KiB
Go
/*
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Copyright 2016 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 config
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"reflect"
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"testing"
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"k8s.io/client-go/tools/clientcmd"
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clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
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)
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type deleteContextTest struct {
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config clientcmdapi.Config
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contextToDelete string
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expectedContexts []string
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expectedOut string
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}
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func TestDeleteContext(t *testing.T) {
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conf := clientcmdapi.Config{
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Contexts: map[string]*clientcmdapi.Context{
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"minikube": {Cluster: "minikube"},
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"otherkube": {Cluster: "otherkube"},
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},
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}
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test := deleteContextTest{
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config: conf,
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contextToDelete: "minikube",
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expectedContexts: []string{"otherkube"},
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expectedOut: "deleted context minikube from %s\n",
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}
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test.run(t)
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}
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func (test deleteContextTest) run(t *testing.T) {
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fakeKubeFile, err := ioutil.TempFile("", "")
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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defer os.Remove(fakeKubeFile.Name())
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err = clientcmd.WriteToFile(test.config, fakeKubeFile.Name())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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pathOptions := clientcmd.NewDefaultPathOptions()
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pathOptions.GlobalFile = fakeKubeFile.Name()
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pathOptions.EnvVar = ""
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buf := bytes.NewBuffer([]byte{})
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errBuf := bytes.NewBuffer([]byte{})
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cmd := NewCmdConfigDeleteContext(buf, errBuf, pathOptions)
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cmd.SetArgs([]string{test.contextToDelete})
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if err := cmd.Execute(); err != nil {
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t.Fatalf("unexpected error executing command: %v", err)
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}
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expectedOutWithFile := fmt.Sprintf(test.expectedOut, fakeKubeFile.Name())
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if expectedOutWithFile != buf.String() {
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t.Errorf("expected output %s, but got %s", expectedOutWithFile, buf.String())
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return
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}
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// Verify context was removed from kubeconfig file
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config, err := clientcmd.LoadFromFile(fakeKubeFile.Name())
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if err != nil {
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t.Fatalf("unexpected error loading kubeconfig file: %v", err)
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}
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contexts := make([]string, 0, len(config.Contexts))
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for k := range config.Contexts {
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contexts = append(contexts, k)
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}
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if !reflect.DeepEqual(test.expectedContexts, contexts) {
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t.Errorf("expected contexts %v, but found %v in kubeconfig", test.expectedContexts, contexts)
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}
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}
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