github.heygears.com/openimsdk/tools@v0.0.49/utils/network/ip_test.go (about)

     1  // Copyright © 2023 OpenIM. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package network
    16  
    17  import (
    18  	"net"
    19  	"net/http/httptest"
    20  	"testing"
    21  )
    22  
    23  func TestGetLocalIP(t *testing.T) {
    24  	ip, err := GetLocalIP()
    25  	if err != nil {
    26  		t.Fatalf("Expected no error, got %v", err)
    27  	}
    28  	if ip == "" {
    29  		t.Fatal("Expected an IP address, got an empty string")
    30  	}
    31  	// Optionally, check the format of the IP address
    32  	if net.ParseIP(ip) == nil {
    33  		t.Fatalf("Expected a valid IP address, got %s", ip)
    34  	}
    35  }
    36  
    37  func TestGetRpcRegisterIP(t *testing.T) {
    38  	expectedIP := "192.168.1.1"
    39  	ip, err := GetRpcRegisterIP(expectedIP)
    40  	if err != nil {
    41  		t.Fatalf("Expected no error, got %v", err)
    42  	}
    43  	if ip != expectedIP {
    44  		t.Fatalf("Expected %s, got %s", expectedIP, ip)
    45  	}
    46  
    47  	// Test with an empty string, expecting a local IP back
    48  	ip, err = GetRpcRegisterIP("")
    49  	if err != nil {
    50  		t.Fatalf("Expected no error, got %v", err)
    51  	}
    52  	if net.ParseIP(ip) == nil {
    53  		t.Fatalf("Expected a valid IP address, got %s", ip)
    54  	}
    55  	t.Log("GetRpcRegisterIP:", ip)
    56  }
    57  
    58  func TestGetListenIP(t *testing.T) {
    59  	testCases := []struct {
    60  		input    string
    61  		expected string
    62  	}{
    63  		{"", "0.0.0.0"},
    64  		{"192.168.1.1", "192.168.1.1"},
    65  	}
    66  
    67  	for _, tc := range testCases {
    68  		result := GetListenIP(tc.input)
    69  		if result != tc.expected {
    70  			t.Errorf("Expected %s, got %s", tc.expected, result)
    71  		}
    72  	}
    73  }
    74  
    75  func TestRemoteIP(t *testing.T) {
    76  	testCases := []struct {
    77  		headers    map[string]string
    78  		expectedIP string
    79  	}{
    80  		{map[string]string{XClientIP: "192.168.1.1"}, "192.168.1.1"},
    81  		{map[string]string{XRealIP: "10.0.0.1"}, "10.0.0.1"},
    82  		{map[string]string{XForwardedFor: "172.16.0.1"}, "172.16.0.1"},
    83  		{map[string]string{}, "127.0.0.1"}, // assuming RemoteAddr is set to "::1"
    84  	}
    85  
    86  	for _, tc := range testCases {
    87  		req := httptest.NewRequest("GET", "http://example.com", nil)
    88  		req.RemoteAddr = "::1" // simulate localhost IPv6
    89  		for key, value := range tc.headers {
    90  			req.Header.Set(key, value)
    91  		}
    92  
    93  		if ip := RemoteIP(req); ip != tc.expectedIP {
    94  			t.Errorf("Expected IP %s, got %s", tc.expectedIP, ip)
    95  		}
    96  	}
    97  }