github.com/waldiirawan/apm-agent-go/v2@v2.2.2/internal/apmhttputil/remoteaddr_test.go (about)

     1  // Licensed to Elasticsearch B.V. under one or more contributor
     2  // license agreements. See the NOTICE file distributed with
     3  // this work for additional information regarding copyright
     4  // ownership. Elasticsearch B.V. licenses this file to you under
     5  // the Apache License, Version 2.0 (the "License"); you may
     6  // not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  //
     9  //     http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing,
    12  // software distributed under the License is distributed on an
    13  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    14  // KIND, either express or implied.  See the License for the
    15  // specific language governing permissions and limitations
    16  // under the License.
    17  
    18  package apmhttputil_test
    19  
    20  import (
    21  	"net/http"
    22  	"net/url"
    23  	"testing"
    24  
    25  	"github.com/stretchr/testify/assert"
    26  	"github.com/stretchr/testify/require"
    27  
    28  	"github.com/waldiirawan/apm-agent-go/v2/internal/apmhttputil"
    29  )
    30  
    31  func TestRemoteAddr(t *testing.T) {
    32  	req := &http.Request{
    33  		RemoteAddr: "[::1]:1234",
    34  		Header:     make(http.Header),
    35  	}
    36  	req.Header.Set("X-Forwarded-For", "client.invalid, proxy.invalid")
    37  	req.Header.Set("X-Real-IP", "127.1.2.3")
    38  	assert.Equal(t, "::1", apmhttputil.RemoteAddr(req))
    39  }
    40  
    41  func TestDestinationAddr(t *testing.T) {
    42  	test := func(u, expectAddr string, expectPort int) {
    43  		t.Run(u, func(t *testing.T) {
    44  			url, err := url.Parse(u)
    45  			require.NoError(t, err)
    46  
    47  			addr, port := apmhttputil.DestinationAddr(&http.Request{URL: url})
    48  			assert.Equal(t, expectAddr, addr)
    49  			assert.Equal(t, expectPort, port)
    50  		})
    51  	}
    52  	test("http://127.0.0.1:80", "127.0.0.1", 80)
    53  	test("http://127.0.0.1", "127.0.0.1", 80)
    54  	test("https://127.0.0.1:443", "127.0.0.1", 443)
    55  	test("https://127.0.0.1", "127.0.0.1", 443)
    56  	test("https://[::1]", "::1", 443)
    57  	test("https://[::1]:1234", "::1", 1234)
    58  	test("gopher://gopher.invalid:70", "gopher.invalid", 70)
    59  	test("gopher://gopher.invalid", "gopher.invalid", 0) // default unknown
    60  }