mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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259 lines
6.9 KiB
Go
259 lines
6.9 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors All rights reserved.
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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 cmd
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import (
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"bytes"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"reflect"
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"testing"
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"github.com/spf13/cobra"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/testapi"
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"k8s.io/kubernetes/pkg/api/unversioned"
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client "k8s.io/kubernetes/pkg/client/unversioned"
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"k8s.io/kubernetes/pkg/client/unversioned/fake"
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)
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type fakeRemoteExecutor struct {
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method string
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url *url.URL
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execErr error
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}
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func (f *fakeRemoteExecutor) Execute(method string, url *url.URL, config *client.Config, stdin io.Reader, stdout, stderr io.Writer, tty bool) error {
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f.method = method
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f.url = url
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return f.execErr
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}
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func TestPodAndContainer(t *testing.T) {
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tests := []struct {
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args []string
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argsLenAtDash int
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p *ExecOptions
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name string
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expectError bool
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expectedPod string
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expectedContainer string
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expectedArgs []string
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}{
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{
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p: &ExecOptions{},
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argsLenAtDash: -1,
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expectError: true,
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name: "empty",
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},
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{
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p: &ExecOptions{PodName: "foo"},
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argsLenAtDash: -1,
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expectError: true,
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name: "no cmd",
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},
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{
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p: &ExecOptions{PodName: "foo", ContainerName: "bar"},
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argsLenAtDash: -1,
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expectError: true,
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name: "no cmd, w/ container",
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},
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{
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p: &ExecOptions{PodName: "foo"},
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args: []string{"cmd"},
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argsLenAtDash: -1,
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expectedPod: "foo",
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expectedArgs: []string{"cmd"},
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name: "pod in flags",
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},
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{
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p: &ExecOptions{},
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args: []string{"foo", "cmd"},
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argsLenAtDash: 0,
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expectError: true,
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name: "no pod, pod name is behind dash",
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},
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{
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p: &ExecOptions{},
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args: []string{"foo"},
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argsLenAtDash: -1,
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expectError: true,
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name: "no cmd, w/o flags",
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},
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{
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p: &ExecOptions{},
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args: []string{"foo", "cmd"},
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argsLenAtDash: -1,
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expectedPod: "foo",
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expectedArgs: []string{"cmd"},
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name: "cmd, w/o flags",
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},
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{
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p: &ExecOptions{},
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args: []string{"foo", "cmd"},
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argsLenAtDash: 1,
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expectedPod: "foo",
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expectedArgs: []string{"cmd"},
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name: "cmd, cmd is behind dash",
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},
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{
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p: &ExecOptions{ContainerName: "bar"},
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args: []string{"foo", "cmd"},
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argsLenAtDash: -1,
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expectedPod: "foo",
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expectedContainer: "bar",
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expectedArgs: []string{"cmd"},
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name: "cmd, container in flag",
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},
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}
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for _, test := range tests {
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f, tf, codec := NewAPIFactory()
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tf.Client = &fake.RESTClient{
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Codec: codec,
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Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) { return nil, nil }),
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}
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tf.Namespace = "test"
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tf.ClientConfig = &client.Config{}
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cmd := &cobra.Command{}
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options := test.p
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err := options.Complete(f, cmd, test.args, test.argsLenAtDash)
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if test.expectError && err == nil {
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t.Errorf("unexpected non-error (%s)", test.name)
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}
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if !test.expectError && err != nil {
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t.Errorf("unexpected error: %v (%s)", err, test.name)
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}
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if err != nil {
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continue
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}
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if options.PodName != test.expectedPod {
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t.Errorf("expected: %s, got: %s (%s)", test.expectedPod, options.PodName, test.name)
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}
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if options.ContainerName != test.expectedContainer {
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t.Errorf("expected: %s, got: %s (%s)", test.expectedContainer, options.ContainerName, test.name)
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}
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if !reflect.DeepEqual(test.expectedArgs, options.Command) {
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t.Errorf("expected: %v, got %v (%s)", test.expectedArgs, options.Command, test.name)
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}
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}
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}
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func TestExec(t *testing.T) {
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version := testapi.Default.Version()
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tests := []struct {
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name, version, podPath, execPath, container string
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pod *api.Pod
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execErr bool
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}{
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{
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name: "pod exec",
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version: version,
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podPath: "/api/" + version + "/namespaces/test/pods/foo",
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execPath: "/api/" + version + "/namespaces/test/pods/foo/exec",
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pod: execPod(),
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},
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{
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name: "pod exec error",
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version: version,
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podPath: "/api/" + version + "/namespaces/test/pods/foo",
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execPath: "/api/" + version + "/namespaces/test/pods/foo/exec",
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pod: execPod(),
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execErr: true,
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},
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}
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for _, test := range tests {
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f, tf, codec := NewAPIFactory()
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tf.Client = &fake.RESTClient{
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Codec: codec,
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Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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switch p, m := req.URL.Path, req.Method; {
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case p == test.podPath && m == "GET":
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body := objBody(codec, test.pod)
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return &http.Response{StatusCode: 200, Body: body}, nil
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default:
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// Ensures no GET is performed when deleting by name
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t.Errorf("%s: unexpected request: %s %#v\n%#v", test.name, req.Method, req.URL, req)
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return nil, fmt.Errorf("unexpected request")
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}
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}),
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}
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tf.Namespace = "test"
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tf.ClientConfig = &client.Config{GroupVersion: &unversioned.GroupVersion{Version: test.version}}
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bufOut := bytes.NewBuffer([]byte{})
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bufErr := bytes.NewBuffer([]byte{})
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bufIn := bytes.NewBuffer([]byte{})
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ex := &fakeRemoteExecutor{}
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if test.execErr {
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ex.execErr = fmt.Errorf("exec error")
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}
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params := &ExecOptions{
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PodName: "foo",
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ContainerName: "bar",
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In: bufIn,
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Out: bufOut,
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Err: bufErr,
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Executor: ex,
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}
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cmd := &cobra.Command{}
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args := []string{"test", "command"}
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if err := params.Complete(f, cmd, args, -1); err != nil {
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t.Fatal(err)
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}
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err := params.Run()
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if test.execErr && err != ex.execErr {
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t.Errorf("%s: Unexpected exec error: %v", test.name, err)
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continue
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}
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if !test.execErr && err != nil {
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t.Errorf("%s: Unexpected error: %v", test.name, err)
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continue
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}
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if test.execErr {
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continue
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}
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if ex.url.Path != test.execPath {
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t.Errorf("%s: Did not get expected path for exec request", test.name)
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continue
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}
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if ex.method != "POST" {
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t.Errorf("%s: Did not get method for exec request: %s", test.name, ex.method)
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}
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}
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}
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func execPod() *api.Pod {
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return &api.Pod{
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ObjectMeta: api.ObjectMeta{Name: "foo", Namespace: "test", ResourceVersion: "10"},
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Spec: api.PodSpec{
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RestartPolicy: api.RestartPolicyAlways,
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DNSPolicy: api.DNSClusterFirst,
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Containers: []api.Container{
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{
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Name: "bar",
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},
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},
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},
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Status: api.PodStatus{
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Phase: api.PodRunning,
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},
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}
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}
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