kubernetes net_test 源码
kubernetes net_test 代码
文件路径：/cmd/kubeadm/app/util/net_test.go
/*
Copyright 2019 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 util
import (
"os"
"strings"
"testing"
"github.com/pkg/errors"
)
func TestGetHostname(t *testing.T) {
hostname, err := os.Hostname()
testCases := []struct {
desc string
hostname string
result string
expectedErr error
}{
{
desc: "overridden hostname",
hostname: "overridden",
result: "overridden",
expectedErr: nil,
},
{
desc: "overridden hostname uppercase",
hostname: "OVERRIDDEN",
result: "overridden",
expectedErr: nil,
},
{
desc: "hostname contains spaces",
hostname: " OVERRIDDEN ",
result: "overridden",
expectedErr: nil,
},
{
desc: "hostname contains only spaces",
hostname: " ",
result: "",
expectedErr: errors.New("empty hostname is invalid"),
},
{
desc: "empty parameter",
hostname: "",
result: strings.ToLower(hostname),
expectedErr: err,
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
result, err := GetHostname(tc.hostname)
if err != nil && tc.expectedErr == nil {
t.Errorf("unexpected error: %v", err)
}
if err == nil && tc.expectedErr != nil {
t.Errorf("expected error %v, got nil", tc.expectedErr)
}
if tc.result != result {
t.Errorf("unexpected result: %s, expected: %s", result, tc.result)
}
})
}
}
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