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			484 lines
		
	
	
		
			14 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 netsh
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import (
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	"net"
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	"os"
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	"testing"
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	"k8s.io/utils/exec"
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	fakeexec "k8s.io/utils/exec/testing"
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	"errors"
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	"github.com/stretchr/testify/assert"
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)
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func fakeCommonRunner() *runner {
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	fakeCmd := fakeexec.FakeCmd{
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		CombinedOutputScript: []fakeexec.FakeAction{
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			// Success
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			func() ([]byte, []byte, error) {
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				return []byte{}, nil, nil
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			},
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			// utilexec.ExitError exists, and status is not 0
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			func() ([]byte, []byte, error) {
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				return nil, nil, &fakeexec.FakeExitError{Status: 1}
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			},
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			// utilexec.ExitError exists, and status is 0
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			func() ([]byte, []byte, error) {
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				return nil, nil, &fakeexec.FakeExitError{Status: 0}
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			},
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			// other error exists
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			func() ([]byte, []byte, error) {
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				return nil, nil, errors.New("not ExitError")
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			},
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		},
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	}
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	return &runner{
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		exec: &fakeexec.FakeExec{
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			CommandScript: []fakeexec.FakeCommandAction{
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				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeCmd, cmd, args...)
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				},
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				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeCmd, cmd, args...)
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				},
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				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeCmd, cmd, args...)
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				},
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				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeCmd, cmd, args...)
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				},
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			},
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		},
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	}
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}
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func TestEnsurePortProxyRule(t *testing.T) {
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	runner := fakeCommonRunner()
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	tests := []struct {
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		name           string
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		arguments      []string
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		expectedResult bool
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		expectedError  bool
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	}{
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		{"Success", []string{"ensure-port-proxy-rule"}, true, false},
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		{"utilexec.ExitError exists, and status is not 0", []string{"ensure-port-proxy-rule"}, false, false},
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		{"utilexec.ExitError exists, and status is 0", []string{"ensure-port-proxy-rule"}, false, true},
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		{"other error exists", []string{"ensure-port-proxy-rule"}, false, true},
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	}
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	for _, test := range tests {
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		result, err := runner.EnsurePortProxyRule(test.arguments)
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		if test.expectedError {
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			assert.Errorf(t, err, "Failed to test: %s", test.name)
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		} else {
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			if err != nil {
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				assert.NoErrorf(t, err, "Failed to test: %s", test.name)
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			} else {
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				assert.EqualValuesf(t, test.expectedResult, result, "Failed to test: %s", test.name)
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			}
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		}
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	}
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}
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func TestDeletePortProxyRule(t *testing.T) {
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	runner := fakeCommonRunner()
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	tests := []struct {
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		name          string
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		arguments     []string
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		expectedError bool
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	}{
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		{"Success", []string{"delete-port-proxy-rule"}, false},
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		{"utilexec.ExitError exists, and status is not 0", []string{"delete-port-proxy-rule"}, true},
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		{"utilexec.ExitError exists, and status is 0", []string{"delete-port-proxy-rule"}, false},
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		{"other error exists", []string{"delete-port-proxy-rule"}, true},
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	}
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	for _, test := range tests {
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		err := runner.DeletePortProxyRule(test.arguments)
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		if test.expectedError {
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			assert.Errorf(t, err, "Failed to test: %s", test.name)
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		} else {
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			assert.NoErrorf(t, err, "Failed to test: %s", test.name)
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		}
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	}
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}
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func TestEnsureIPAddress(t *testing.T) {
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	tests := []struct {
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		name           string
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		arguments      []string
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		ip             net.IP
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		fakeCmdAction  []fakeexec.FakeCommandAction
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		expectedError  bool
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		expectedResult bool
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	}{
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		{
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			"IP address exists",
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			[]string{"delete-port-proxy-rule"},
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			net.IPv4(10, 10, 10, 20),
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			[]fakeexec.FakeCommandAction{
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				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeexec.FakeCmd{
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						CombinedOutputScript: []fakeexec.FakeAction{
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							// IP address exists
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							func() ([]byte, []byte, error) {
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								return []byte("IP Address:10.10.10.10\nIP Address:10.10.10.20"), nil, nil
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							},
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						},
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					}, cmd, args...)
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				},
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			},
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			false,
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			true,
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		},
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		{
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			"IP address not exists, but set successful(find it in the second time)",
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			[]string{"ensure-ip-address"},
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			net.IPv4(10, 10, 10, 20),
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			[]fakeexec.FakeCommandAction{
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				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeexec.FakeCmd{
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						CombinedOutputScript: []fakeexec.FakeAction{
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							// IP address not exists
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							func() ([]byte, []byte, error) {
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								return []byte("IP Address:10.10.10.10"), nil, nil
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							},
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						},
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					}, cmd, args...)
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				},
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				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeexec.FakeCmd{
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						CombinedOutputScript: []fakeexec.FakeAction{
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							// Success to set ip
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							func() ([]byte, []byte, error) {
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								return []byte(""), nil, nil
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							},
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						},
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					}, cmd, args...)
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				},
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				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeexec.FakeCmd{
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						CombinedOutputScript: []fakeexec.FakeAction{
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							// IP address still not exists
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							func() ([]byte, []byte, error) {
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								return []byte("IP Address:10.10.10.10"), nil, nil
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							},
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						},
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					}, cmd, args...)
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				},
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				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeexec.FakeCmd{
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						CombinedOutputScript: []fakeexec.FakeAction{
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							// IP address exists
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							func() ([]byte, []byte, error) {
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								return []byte("IP Address:10.10.10.10\nIP Address:10.10.10.20"), nil, nil
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							},
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						},
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					}, cmd, args...)
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				},
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			},
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			false,
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			true,
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		},
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		{
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			"IP address not exists, utilexec.ExitError exists, but status is not 0)",
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			[]string{"ensure-ip-address"},
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			net.IPv4(10, 10, 10, 20),
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			[]fakeexec.FakeCommandAction{
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						|
				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeexec.FakeCmd{
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						CombinedOutputScript: []fakeexec.FakeAction{
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							// IP address not exists
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							func() ([]byte, []byte, error) {
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								return []byte("IP Address:10.10.10.10"), nil, nil
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							},
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						},
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					}, cmd, args...)
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				},
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				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeexec.FakeCmd{
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						CombinedOutputScript: []fakeexec.FakeAction{
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							// Failed to set ip, utilexec.ExitError exists, and status is not 0
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							func() ([]byte, []byte, error) {
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								return nil, nil, &fakeexec.FakeExitError{Status: 1}
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							},
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						},
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					}, cmd, args...)
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						|
				},
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			},
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			false,
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			false,
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		},
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		{
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			"IP address not exists, utilexec.ExitError exists, and status is 0)",
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			[]string{"ensure-ip-address"},
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						|
			net.IPv4(10, 10, 10, 20),
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						|
			[]fakeexec.FakeCommandAction{
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						|
				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeexec.FakeCmd{
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						CombinedOutputScript: []fakeexec.FakeAction{
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						|
							// IP address not exists
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							func() ([]byte, []byte, error) {
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								return []byte("IP Address:10.10.10.10"), nil, nil
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							},
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						|
						},
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						|
					}, cmd, args...)
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						|
				},
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						|
				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeexec.FakeCmd{
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						CombinedOutputScript: []fakeexec.FakeAction{
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							// Failed to set ip, utilexec.ExitError exists, and status is 0
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							func() ([]byte, []byte, error) {
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								return nil, nil, &fakeexec.FakeExitError{Status: 0}
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						|
							},
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						},
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						|
					}, cmd, args...)
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						|
				},
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						|
			},
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			true,
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			false,
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						|
		},
 | 
						|
		{
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			"IP address not exists, and error is not utilexec.ExitError)",
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			[]string{"ensure-ip-address"},
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						|
			net.IPv4(10, 10, 10, 20),
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						|
			[]fakeexec.FakeCommandAction{
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						|
				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeexec.FakeCmd{
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						CombinedOutputScript: []fakeexec.FakeAction{
 | 
						|
							// IP address not exists
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							func() ([]byte, []byte, error) {
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								return []byte("IP Address:10.10.10.10"), nil, nil
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						|
							},
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						|
						},
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					}, cmd, args...)
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						|
				},
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				func(cmd string, args ...string) exec.Cmd {
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					return fakeexec.InitFakeCmd(&fakeexec.FakeCmd{
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						CombinedOutputScript: []fakeexec.FakeAction{
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							// Failed to set ip, other error exists
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							func() ([]byte, []byte, error) {
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								return nil, nil, errors.New("not ExitError")
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							},
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						|
						},
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						|
					}, cmd, args...)
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						|
				},
 | 
						|
			},
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			true,
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			false,
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						|
		},
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	}
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	for _, test := range tests {
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		runner := New(&fakeexec.FakeExec{CommandScript: test.fakeCmdAction})
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		result, err := runner.EnsureIPAddress(test.arguments, test.ip)
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						|
		if test.expectedError {
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			assert.Errorf(t, err, "Failed to test: %s", test.name)
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						|
		} else {
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						|
			if err != nil {
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				assert.NoErrorf(t, err, "Failed to test: %s", test.name)
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						|
			} else {
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						|
				assert.EqualValuesf(t, test.expectedResult, result, "Failed to test: %s", test.name)
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						|
			}
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						|
		}
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						|
	}
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}
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 | 
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func TestDeleteIPAddress(t *testing.T) {
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	runner := fakeCommonRunner()
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	tests := []struct {
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		name          string
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		arguments     []string
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		expectedError bool
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	}{
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		{"Success", []string{"delete-ip-address"}, false},
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		{"utilexec.ExitError exists, and status is not 0", []string{"delete-ip-address"}, true},
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						|
		{"utilexec.ExitError exists, and status is 0", []string{"delete-ip-address"}, false},
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						|
		{"other error exists", []string{"delete-ip-address"}, true},
 | 
						|
	}
 | 
						|
 | 
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	for _, test := range tests {
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						|
		err := runner.DeleteIPAddress(test.arguments)
 | 
						|
		if test.expectedError {
 | 
						|
			assert.Errorf(t, err, "Failed to test: %s", test.name)
 | 
						|
		} else {
 | 
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			assert.NoErrorf(t, err, "Failed to test: %s", test.name)
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						|
		}
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						|
	}
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						|
}
 | 
						|
 | 
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func TestGetInterfaceToAddIP(t *testing.T) {
 | 
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	// backup env 'INTERFACE_TO_ADD_SERVICE_IP'
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	backupValue := os.Getenv("INTERFACE_TO_ADD_SERVICE_IP")
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	// recover env
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	defer os.Setenv("INTERFACE_TO_ADD_SERVICE_IP", backupValue)
 | 
						|
 | 
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	tests := []struct {
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						|
		name           string
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						|
		envToBeSet     string
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						|
		expectedResult string
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						|
	}{
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		{"env_value_is_empty", "", "vEthernet (HNS Internal NIC)"},
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						|
		{"env_value_is_not_empty", "eth0", "eth0"},
 | 
						|
	}
 | 
						|
 | 
						|
	fakeExec := fakeexec.FakeExec{
 | 
						|
		CommandScript: []fakeexec.FakeCommandAction{},
 | 
						|
	}
 | 
						|
	netsh := New(&fakeExec)
 | 
						|
 | 
						|
	for _, test := range tests {
 | 
						|
		os.Setenv("INTERFACE_TO_ADD_SERVICE_IP", test.envToBeSet)
 | 
						|
		result := netsh.GetInterfaceToAddIP()
 | 
						|
 | 
						|
		assert.EqualValuesf(t, test.expectedResult, result, "Failed to test: %s", test.name)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestRestore(t *testing.T) {
 | 
						|
	runner := New(&fakeexec.FakeExec{
 | 
						|
		CommandScript: []fakeexec.FakeCommandAction{},
 | 
						|
	})
 | 
						|
 | 
						|
	result := runner.Restore([]string{})
 | 
						|
	assert.NoErrorf(t, result, "The return value must be nil")
 | 
						|
}
 | 
						|
 | 
						|
func TestCheckIPExists(t *testing.T) {
 | 
						|
	fakeCmd := fakeexec.FakeCmd{
 | 
						|
		CombinedOutputScript: []fakeexec.FakeAction{
 | 
						|
			// Error exists
 | 
						|
			func() ([]byte, []byte, error) {
 | 
						|
				return nil, nil, &fakeexec.FakeExitError{Status: 1}
 | 
						|
			},
 | 
						|
			// IP address string is empty
 | 
						|
			func() ([]byte, []byte, error) {
 | 
						|
				return []byte(""), nil, nil
 | 
						|
			},
 | 
						|
			// "IP Address:" field not exists
 | 
						|
			func() ([]byte, []byte, error) {
 | 
						|
				return []byte("10.10.10.10"), nil, nil
 | 
						|
			},
 | 
						|
			// IP not exists
 | 
						|
			func() ([]byte, []byte, error) {
 | 
						|
				return []byte("IP Address:10.10.10.10"), nil, nil
 | 
						|
			},
 | 
						|
			// IP exists
 | 
						|
			func() ([]byte, []byte, error) {
 | 
						|
				return []byte("IP Address:10.10.10.10\nIP Address:10.10.10.20"), nil, nil
 | 
						|
			},
 | 
						|
		},
 | 
						|
	}
 | 
						|
	fakeExec := fakeexec.FakeExec{
 | 
						|
		CommandScript: []fakeexec.FakeCommandAction{
 | 
						|
			func(cmd string, args ...string) exec.Cmd {
 | 
						|
				return fakeexec.InitFakeCmd(&fakeCmd, cmd, args...)
 | 
						|
			},
 | 
						|
			func(cmd string, args ...string) exec.Cmd {
 | 
						|
				return fakeexec.InitFakeCmd(&fakeCmd, cmd, args...)
 | 
						|
			},
 | 
						|
			func(cmd string, args ...string) exec.Cmd {
 | 
						|
				return fakeexec.InitFakeCmd(&fakeCmd, cmd, args...)
 | 
						|
			},
 | 
						|
			func(cmd string, args ...string) exec.Cmd {
 | 
						|
				return fakeexec.InitFakeCmd(&fakeCmd, cmd, args...)
 | 
						|
			},
 | 
						|
			func(cmd string, args ...string) exec.Cmd {
 | 
						|
				return fakeexec.InitFakeCmd(&fakeCmd, cmd, args...)
 | 
						|
			},
 | 
						|
		},
 | 
						|
	}
 | 
						|
	fakeRunner := &runner{
 | 
						|
		exec: &fakeExec,
 | 
						|
	}
 | 
						|
 | 
						|
	tests := []struct {
 | 
						|
		name           string
 | 
						|
		ipToCheck      string
 | 
						|
		arguments      []string
 | 
						|
		expectedError  bool
 | 
						|
		expectedResult bool
 | 
						|
	}{
 | 
						|
		{"Error exists", "10.10.10.20", []string{"check-IP-exists"}, true, false},
 | 
						|
		{"IP address string is empty", "10.10.10.20", []string{"check-IP-exists"}, false, false},
 | 
						|
		{"'IP Address:' field not exists", "10.10.10.20", []string{"check-IP-exists"}, false, false},
 | 
						|
		{"IP not exists", "10.10.10.20", []string{"check-IP-exists"}, false, false},
 | 
						|
		{"IP exists", "10.10.10.20", []string{"check-IP-exists"}, false, true},
 | 
						|
	}
 | 
						|
 | 
						|
	for _, test := range tests {
 | 
						|
		result, err := checkIPExists(test.ipToCheck, test.arguments, fakeRunner)
 | 
						|
		if test.expectedError {
 | 
						|
			assert.Errorf(t, err, "Failed to test: %s", test.name)
 | 
						|
		} else {
 | 
						|
			assert.EqualValuesf(t, test.expectedResult, result, "Failed to test: %s", test.name)
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestGetIP(t *testing.T) {
 | 
						|
	testcases := []struct {
 | 
						|
		name          string
 | 
						|
		showAddress   string
 | 
						|
		expectAddress string
 | 
						|
	}{
 | 
						|
		{
 | 
						|
			name:          "IP address displayed in Chinese",
 | 
						|
			showAddress:   "IP 地址:                           10.96.0.2",
 | 
						|
			expectAddress: "10.96.0.2",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			name:          "IP address displayed in English",
 | 
						|
			showAddress:   "IP Address:                           10.96.0.3",
 | 
						|
			expectAddress: "10.96.0.3",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			name:          "IP address without spaces",
 | 
						|
			showAddress:   "IP Address:10.96.0.4",
 | 
						|
			expectAddress: "10.96.0.4",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			name:          "Only 'IP Address:' field exists",
 | 
						|
			showAddress:   "IP Address:",
 | 
						|
			expectAddress: "",
 | 
						|
		},
 | 
						|
		{
 | 
						|
			name:          "IP address without ':' separator",
 | 
						|
			showAddress:   "IP Address10.6.9.2",
 | 
						|
			expectAddress: "",
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	for _, tc := range testcases {
 | 
						|
		t.Run(tc.name, func(t *testing.T) {
 | 
						|
			address := getIP(tc.showAddress)
 | 
						|
			if address != tc.expectAddress {
 | 
						|
				t.Errorf("expected address=%q, got %q", tc.expectAddress, address)
 | 
						|
			}
 | 
						|
		})
 | 
						|
	}
 | 
						|
}
 |