kubernetes completion_test 源码
kubernetes completion_test 代码
文件路径：/cmd/kubeadm/app/cmd/completion_test.go
/*
Copyright 2018 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 cmd
import (
"bytes"
"testing"
"github.com/spf13/cobra"
)
const shellsError = "Unexpected empty completion shells list"
func TestNewCmdCompletion(t *testing.T) {
var out bytes.Buffer
shells := GetSupportedShells()
if len(shells) == 0 {
t.Errorf(shellsError)
}
// test newCmdCompletion with a valid shell.
// use a dummy parent command as newCmdCompletion needs it.
parentCmd := &cobra.Command{}
args := []string{"completion", shells[0]}
parentCmd.SetArgs(args)
cmd := newCmdCompletion(&out, "")
parentCmd.AddCommand(cmd)
if err := parentCmd.Execute(); err != nil {
t.Errorf("Cannot execute newCmdCompletion: %v", err)
}
}
func TestRunCompletion(t *testing.T) {
var out bytes.Buffer
type TestCase struct {
name string
args []string
expectedError bool
}
testCases := []TestCase{
{
name: "invalid: missing argument",
args: []string{},
expectedError: true,
},
{
name: "invalid: too many arguments",
args: []string{"", ""},
expectedError: true,
},
{
name: "invalid: unsupported shell name",
args: []string{"unsupported"},
expectedError: true,
},
}
// test all supported shells
shells := GetSupportedShells()
if len(shells) == 0 {
t.Errorf(shellsError)
}
for _, shell := range shells {
test := TestCase{
name: "valid: test shell " + shell,
args: []string{shell},
}
testCases = append(testCases, test)
}
// use dummy cobra commands
parentCmd := &cobra.Command{}
cmd := &cobra.Command{}
parentCmd.AddCommand(cmd)
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
if err := RunCompletion(&out, "", cmd, tc.args); (err != nil) != tc.expectedError {
t.Errorf("Test case %q: TestRunCompletion expected error: %v, saw: %v", tc.name, tc.expectedError, (err != nil))
}
})
}
}
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