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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package net
import (
"reflect"
"strings"
"testing"
)
type staticHostEntry struct {
in string
out []string
}
var lookupStaticHostTests = []struct {
name string
ents []staticHostEntry
}{
{
"testdata/hosts",
[]staticHostEntry{
{"odin", []string{"127.0.0.2", "127.0.0.3", "::2"}},
{"thor", []string{"127.1.1.1"}},
{"ullr", []string{"127.1.1.2"}},
{"ullrhost", []string{"127.1.1.2"}},
{"localhost", []string{"fe80::1%lo0"}},
},
},
{
"testdata/singleline-hosts", // see golang.org/issue/6646
[]staticHostEntry{
{"odin", []string{"127.0.0.2"}},
},
},
{
"testdata/ipv4-hosts", // see golang.org/issue/8996
[]staticHostEntry{
{"localhost", []string{"127.0.0.1", "127.0.0.2", "127.0.0.3"}},
{"localhost.localdomain", []string{"127.0.0.3"}},
},
},
{
"testdata/ipv6-hosts", // see golang.org/issue/8996
[]staticHostEntry{
{"localhost", []string{"::1", "fe80::1", "fe80::2%lo0", "fe80::3%lo0"}},
{"localhost.localdomain", []string{"fe80::3%lo0"}},
},
},
{
"testdata/case-hosts", // see golang.org/issue/12806
[]staticHostEntry{
{"PreserveMe", []string{"127.0.0.1", "::1"}},
{"PreserveMe.local", []string{"127.0.0.1", "::1"}},
},
},
}
func TestLookupStaticHost(t *testing.T) {
defer func(orig string) { testHookHostsPath = orig }(testHookHostsPath)
for _, tt := range lookupStaticHostTests {
testHookHostsPath = tt.name
for _, ent := range tt.ents {
ins := []string{ent.in, absDomainName([]byte(ent.in)), strings.ToLower(ent.in), strings.ToUpper(ent.in)}
for _, in := range ins {
addrs := lookupStaticHost(in)
if !reflect.DeepEqual(addrs, ent.out) {
t.Errorf("%s, lookupStaticHost(%s) = %v; want %v", tt.name, in, addrs, ent.out)
}
}
}
}
}
var lookupStaticAddrTests = []struct {
name string
ents []staticHostEntry
}{
{
"testdata/hosts",
[]staticHostEntry{
{"255.255.255.255", []string{"broadcasthost"}},
{"127.0.0.2", []string{"odin"}},
{"127.0.0.3", []string{"odin"}},
{"::2", []string{"odin"}},
{"127.1.1.1", []string{"thor"}},
{"127.1.1.2", []string{"ullr", "ullrhost"}},
{"fe80::1%lo0", []string{"localhost"}},
},
},
{
"testdata/singleline-hosts", // see golang.org/issue/6646
[]staticHostEntry{
{"127.0.0.2", []string{"odin"}},
},
},
{
"testdata/ipv4-hosts", // see golang.org/issue/8996
[]staticHostEntry{
{"127.0.0.1", []string{"localhost"}},
{"127.0.0.2", []string{"localhost"}},
{"127.0.0.3", []string{"localhost", "localhost.localdomain"}},
},
},
{
"testdata/ipv6-hosts", // see golang.org/issue/8996
[]staticHostEntry{
{"::1", []string{"localhost"}},
{"fe80::1", []string{"localhost"}},
{"fe80::2%lo0", []string{"localhost"}},
{"fe80::3%lo0", []string{"localhost", "localhost.localdomain"}},
},
},
{
"testdata/case-hosts", // see golang.org/issue/12806
[]staticHostEntry{
{"127.0.0.1", []string{"PreserveMe", "PreserveMe.local"}},
{"::1", []string{"PreserveMe", "PreserveMe.local"}},
},
},
}
func TestLookupStaticAddr(t *testing.T) {
defer func(orig string) { testHookHostsPath = orig }(testHookHostsPath)
for _, tt := range lookupStaticAddrTests {
testHookHostsPath = tt.name
for _, ent := range tt.ents {
hosts := lookupStaticAddr(ent.in)
for i := range ent.out {
ent.out[i] = absDomainName([]byte(ent.out[i]))
}
if !reflect.DeepEqual(hosts, ent.out) {
t.Errorf("%s, lookupStaticAddr(%s) = %v; want %v", tt.name, ent.in, hosts, ent.out)
}
}
}
}
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