| /* |
| Copyright 2017 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 createClusterTest struct { |
| description string |
| config clientcmdapi.Config |
| args []string |
| flags []string |
| expected string |
| expectedConfig clientcmdapi.Config |
| } |
| |
| func TestCreateCluster(t *testing.T) { |
| conf := clientcmdapi.Config{} |
| test := createClusterTest{ |
| description: "Testing 'kubectl config set-cluster' with a new cluster", |
| config: conf, |
| args: []string{"my-cluster"}, |
| flags: []string{ |
| "--server=http://192.168.0.1", |
| }, |
| expected: `Cluster "my-cluster" set.` + "\n", |
| expectedConfig: clientcmdapi.Config{ |
| Clusters: map[string]*clientcmdapi.Cluster{ |
| "my-cluster": {Server: "http://192.168.0.1"}, |
| }, |
| }, |
| } |
| test.run(t) |
| } |
| |
| func TestModifyCluster(t *testing.T) { |
| conf := clientcmdapi.Config{ |
| Clusters: map[string]*clientcmdapi.Cluster{ |
| "my-cluster": {Server: "https://192.168.0.1"}, |
| }, |
| } |
| test := createClusterTest{ |
| description: "Testing 'kubectl config set-cluster' with an existing cluster", |
| config: conf, |
| args: []string{"my-cluster"}, |
| flags: []string{ |
| "--server=https://192.168.0.99", |
| }, |
| expected: `Cluster "my-cluster" set.` + "\n", |
| expectedConfig: clientcmdapi.Config{ |
| Clusters: map[string]*clientcmdapi.Cluster{ |
| "my-cluster": {Server: "https://192.168.0.99"}, |
| }, |
| }, |
| } |
| test.run(t) |
| } |
| |
| func (test createClusterTest) run(t *testing.T) { |
| fakeKubeFile, err := ioutil.TempFile(os.TempDir(), "") |
| 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 := NewCmdConfigSetCluster(buf, pathOptions) |
| cmd.SetArgs(test.args) |
| cmd.Flags().Parse(test.flags) |
| if err := cmd.Execute(); err != nil { |
| t.Fatalf("unexpected error executing command: %v, args: %v, flags: %v", err, test.args, test.flags) |
| } |
| config, err := clientcmd.LoadFromFile(fakeKubeFile.Name()) |
| if err != nil { |
| t.Fatalf("unexpected error loading kubeconfig file: %v", err) |
| } |
| if len(test.expected) != 0 { |
| if buf.String() != test.expected { |
| t.Errorf("Failed in %q\n expected %v\n but got %v", test.description, test.expected, buf.String()) |
| } |
| } |
| if len(test.args) > 0 { |
| cluster, ok := config.Clusters[test.args[0]] |
| if !ok { |
| t.Errorf("expected cluster %v, but got nil", test.args[0]) |
| return |
| } |
| if cluster.Server != test.expectedConfig.Clusters[test.args[0]].Server { |
| t.Errorf("Fail in %q\n expected cluster server %v\n but got %v\n ", test.description, test.expectedConfig.Clusters[test.args[0]].Server, cluster.Server) |
| } |
| } |
| } |