mirror of
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114 lines
2.7 KiB
Go
114 lines
2.7 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 cmd
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import (
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"bytes"
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"fmt"
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"testing"
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cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
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cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
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"k8s.io/kubernetes/pkg/kubectl/plugins"
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)
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type mockPluginRunner struct {
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success bool
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}
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func (r *mockPluginRunner) Run(p *plugins.Plugin, ctx plugins.RunningContext) error {
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if !r.success {
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return fmt.Errorf("oops %s", p.Name)
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}
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ctx.Out.Write([]byte(fmt.Sprintf("ok: %s", p.Name)))
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return nil
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}
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func TestPluginCmd(t *testing.T) {
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tests := []struct {
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name string
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plugin *plugins.Plugin
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expectedSuccess bool
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expectedNilCmd bool
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}{
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{
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name: "success",
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plugin: &plugins.Plugin{
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Description: plugins.Description{
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Name: "success",
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ShortDesc: "The Test Plugin",
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Command: "echo ok",
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},
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},
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expectedSuccess: true,
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},
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{
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name: "incomplete",
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plugin: &plugins.Plugin{
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Description: plugins.Description{
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Name: "incomplete",
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ShortDesc: "The Incomplete Plugin",
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},
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},
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expectedNilCmd: true,
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},
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{
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name: "failure",
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plugin: &plugins.Plugin{
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Description: plugins.Description{
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Name: "failure",
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ShortDesc: "The Failing Plugin",
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Command: "false",
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},
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},
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expectedSuccess: false,
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},
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}
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for _, test := range tests {
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inBuf := bytes.NewBuffer([]byte{})
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outBuf := bytes.NewBuffer([]byte{})
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errBuf := bytes.NewBuffer([]byte{})
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cmdutil.BehaviorOnFatal(func(str string, code int) {
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errBuf.Write([]byte(str))
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})
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runner := &mockPluginRunner{
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success: test.expectedSuccess,
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}
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f, _, _, _ := cmdtesting.NewAPIFactory()
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cmd := NewCmdForPlugin(f, test.plugin, runner, inBuf, outBuf, errBuf)
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if cmd == nil {
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if !test.expectedNilCmd {
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t.Fatalf("%s: command was unexpectedly not registered", test.name)
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}
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continue
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}
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cmd.Run(cmd, []string{})
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if test.expectedSuccess && outBuf.String() != fmt.Sprintf("ok: %s", test.plugin.Name) {
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t.Errorf("%s: unexpected output: %q", test.name, outBuf.String())
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}
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if !test.expectedSuccess && errBuf.String() != fmt.Sprintf("error: oops %s", test.plugin.Name) {
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t.Errorf("%s: unexpected err output: %q", test.name, errBuf.String())
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}
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}
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}
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