mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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105 lines
3.3 KiB
Go
105 lines
3.3 KiB
Go
/*
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Copyright 2017 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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"io/ioutil"
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"os"
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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 useContextTest struct {
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description string
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config clientcmdapi.Config //initiate kubectl config
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args []string //kubectl config use-context args
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expected string //expect out
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expectedConfig clientcmdapi.Config //expect kubectl config
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}
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func TestUseContext(t *testing.T) {
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conf := clientcmdapi.Config{
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Kind: "Config",
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APIVersion: "v1",
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Clusters: map[string]*clientcmdapi.Cluster{
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"minikube": {Server: "https://192.168.99.100:8443"},
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"my-cluster": {Server: "https://192.168.0.1:3434"},
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},
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Contexts: map[string]*clientcmdapi.Context{
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"minikube": {AuthInfo: "minikube", Cluster: "minikube"},
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"my-cluster": {AuthInfo: "mu-cluster", Cluster: "my-cluster"},
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},
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CurrentContext: "minikube",
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}
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test := useContextTest{
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description: "Testing for kubectl config use-context",
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config: conf,
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args: []string{"my-cluster"},
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expected: `Switched to context "my-cluster".` + "\n",
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expectedConfig: clientcmdapi.Config{
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Kind: "Config",
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APIVersion: "v1",
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Clusters: map[string]*clientcmdapi.Cluster{
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"minikube": {Server: "https://192.168.99.100:8443"},
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"my-cluster": {Server: "https://192.168.0.1:3434"},
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},
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Contexts: map[string]*clientcmdapi.Context{
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"minikube": {AuthInfo: "minikube", Cluster: "minikube"},
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"my-cluster": {AuthInfo: "mu-cluster", Cluster: "my-cluster"},
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},
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CurrentContext: "my-cluster",
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},
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}
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test.run(t)
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}
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func (test useContextTest) run(t *testing.T) {
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fakeKubeFile, err := ioutil.TempFile(os.TempDir(), "")
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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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cmd := NewCmdConfigUseContext(buf, pathOptions)
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cmd.SetArgs(test.args)
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if err := cmd.Execute(); err != nil {
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t.Fatalf("unexpected error executing command: %v,kubectl config use-context args: %v", err, test.args)
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}
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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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if len(test.expected) != 0 {
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if buf.String() != test.expected {
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t.Errorf("Failed in :%q\n expected %v\n, but got %v\n", test.description, test.expected, buf.String())
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}
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}
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if test.expectedConfig.CurrentContext != config.CurrentContext {
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t.Errorf("Failed in :%q\n expected config %v, but found %v\n in kubeconfig\n", test.description, test.expectedConfig, config)
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}
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}
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