mirror of https://github.com/k3s-io/k3s
137 lines
3.6 KiB
Go
137 lines
3.6 KiB
Go
/*
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Copyright 2014 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 cmd
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import (
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"fmt"
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"net/http"
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"net/url"
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"os"
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"testing"
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"github.com/spf13/cobra"
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"k8s.io/client-go/rest/fake"
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"k8s.io/kubernetes/pkg/api"
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cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
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)
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type fakePortForwarder struct {
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method string
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url *url.URL
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pfErr error
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}
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func (f *fakePortForwarder) ForwardPorts(method string, url *url.URL, opts PortForwardOptions) error {
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f.method = method
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f.url = url
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return f.pfErr
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}
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func testPortForward(t *testing.T, flags map[string]string, args []string) {
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version := api.Registry.GroupOrDie(api.GroupName).GroupVersion.Version
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tests := []struct {
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name string
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podPath, pfPath, container string
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pod *api.Pod
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pfErr bool
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}{
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{
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name: "pod portforward",
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podPath: "/api/" + version + "/namespaces/test/pods/foo",
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pfPath: "/api/" + version + "/namespaces/test/pods/foo/portforward",
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pod: execPod(),
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},
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{
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name: "pod portforward error",
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podPath: "/api/" + version + "/namespaces/test/pods/foo",
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pfPath: "/api/" + version + "/namespaces/test/pods/foo/portforward",
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pod: execPod(),
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pfErr: true,
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},
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}
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for _, test := range tests {
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var err error
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f, tf, codec, ns := cmdtesting.NewAPIFactory()
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tf.Client = &fake.RESTClient{
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APIRegistry: api.Registry,
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NegotiatedSerializer: ns,
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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, Header: defaultHeader(), 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: %#v\n%#v", test.name, req.URL, req)
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return nil, nil
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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 = defaultClientConfig()
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ff := &fakePortForwarder{}
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if test.pfErr {
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ff.pfErr = fmt.Errorf("pf error")
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}
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opts := &PortForwardOptions{}
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cmd := NewCmdPortForward(f, os.Stdout, os.Stderr)
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cmd.Run = func(cmd *cobra.Command, args []string) {
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if err = opts.Complete(f, cmd, args); err != nil {
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return
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}
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opts.PortForwarder = ff
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if err = opts.Validate(); err != nil {
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return
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}
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err = opts.RunPortForward()
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}
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for name, value := range flags {
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cmd.Flags().Set(name, value)
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}
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cmd.Run(cmd, args)
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if test.pfErr && err != ff.pfErr {
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t.Errorf("%s: Unexpected port-forward error: %v", test.name, err)
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}
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if !test.pfErr && err != nil {
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t.Errorf("%s: Unexpected error: %v", test.name, err)
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}
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if test.pfErr {
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continue
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}
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if ff.url.Path != test.pfPath {
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t.Errorf("%s: Did not get expected path for portforward request", test.name)
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}
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if ff.method != "POST" {
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t.Errorf("%s: Did not get method for attach request: %s", test.name, ff.method)
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}
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}
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}
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func TestPortForward(t *testing.T) {
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testPortForward(t, nil, []string{"foo", ":5000", ":1000"})
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}
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func TestPortForwardWithPFlag(t *testing.T) {
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testPortForward(t, map[string]string{"pod": "foo"}, []string{":5000", ":1000"})
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}
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