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- /*
- 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 config
- import (
- "bytes"
- "io/ioutil"
- "os"
- "testing"
- "k8s.io/client-go/tools/clientcmd"
- clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
- )
- type getClustersTest struct {
- config clientcmdapi.Config
- expected string
- }
- func TestGetClusters(t *testing.T) {
- conf := clientcmdapi.Config{
- Clusters: map[string]*clientcmdapi.Cluster{
- "minikube": {Server: "https://192.168.0.99"},
- },
- }
- test := getClustersTest{
- config: conf,
- expected: `NAME
- minikube
- `,
- }
- test.run(t)
- }
- func TestGetClustersEmpty(t *testing.T) {
- test := getClustersTest{
- config: clientcmdapi.Config{},
- expected: "NAME\n",
- }
- test.run(t)
- }
- func (test getClustersTest) 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{})
- cmd := NewCmdConfigGetClusters(buf, pathOptions)
- if err := cmd.Execute(); err != nil {
- t.Fatalf("unexpected error executing command: %v", err)
- }
- if len(test.expected) != 0 {
- if buf.String() != test.expected {
- t.Errorf("expected %v, but got %v", test.expected, buf.String())
- }
- return
- }
- }
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