github.com/spotmaxtech/k8s-apimachinery-v0260@v0.0.1/pkg/util/net/util_test.go (about)

     1  /*
     2  Copyright 2016 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package net
    18  
    19  import (
    20  	"net"
    21  	"net/url"
    22  	"os"
    23  	"syscall"
    24  	"testing"
    25  
    26  	netutils "k8s.io/utils/net"
    27  )
    28  
    29  func getIPNet(cidr string) *net.IPNet {
    30  	_, ipnet, _ := netutils.ParseCIDRSloppy(cidr)
    31  	return ipnet
    32  }
    33  
    34  func TestIPNetEqual(t *testing.T) {
    35  	testCases := []struct {
    36  		ipnet1 *net.IPNet
    37  		ipnet2 *net.IPNet
    38  		expect bool
    39  	}{
    40  		// null case
    41  		{
    42  			getIPNet("10.0.0.1/24"),
    43  			getIPNet(""),
    44  			false,
    45  		},
    46  		{
    47  			getIPNet("10.0.0.0/24"),
    48  			getIPNet("10.0.0.0/24"),
    49  			true,
    50  		},
    51  		{
    52  			getIPNet("10.0.0.0/24"),
    53  			getIPNet("10.0.0.1/24"),
    54  			true,
    55  		},
    56  		{
    57  			getIPNet("10.0.0.0/25"),
    58  			getIPNet("10.0.0.0/24"),
    59  			false,
    60  		},
    61  		{
    62  			getIPNet("10.0.1.0/24"),
    63  			getIPNet("10.0.0.0/24"),
    64  			false,
    65  		},
    66  	}
    67  
    68  	for _, tc := range testCases {
    69  		if tc.expect != IPNetEqual(tc.ipnet1, tc.ipnet2) {
    70  			t.Errorf("Expect equality of %s and %s be to %v", tc.ipnet1.String(), tc.ipnet2.String(), tc.expect)
    71  		}
    72  	}
    73  }
    74  
    75  func TestIsConnectionRefused(t *testing.T) {
    76  	testCases := []struct {
    77  		err    error
    78  		expect bool
    79  	}{
    80  		{
    81  			&url.Error{Err: &net.OpError{Err: syscall.ECONNRESET}},
    82  			false,
    83  		},
    84  		{
    85  			&url.Error{Err: &net.OpError{Err: syscall.ECONNREFUSED}},
    86  			true,
    87  		},
    88  		{&url.Error{Err: &net.OpError{Err: &os.SyscallError{Err: syscall.ECONNREFUSED}}},
    89  			true,
    90  		},
    91  	}
    92  
    93  	for _, tc := range testCases {
    94  		if result := IsConnectionRefused(tc.err); result != tc.expect {
    95  			t.Errorf("Expect to be %v, but actual is %v", tc.expect, result)
    96  		}
    97  	}
    98  }