82 lines
1.7 KiB
Go
82 lines
1.7 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package net
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import (
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"sort"
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"testing"
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)
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type hostTest struct {
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host string
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ips []IP
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}
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var hosttests = []hostTest{
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{"odin", []IP{
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IPv4(127, 0, 0, 2),
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IPv4(127, 0, 0, 3),
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ParseIP("::2"),
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}},
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{"thor", []IP{
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IPv4(127, 1, 1, 1),
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}},
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{"loki", []IP{}},
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{"ullr", []IP{
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IPv4(127, 1, 1, 2),
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}},
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{"ullrhost", []IP{
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IPv4(127, 1, 1, 2),
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}},
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}
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func TestLookupStaticHost(t *testing.T) {
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p := hostsPath
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hostsPath = "testdata/hosts"
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for i := 0; i < len(hosttests); i++ {
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tt := hosttests[i]
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ips := lookupStaticHost(tt.host)
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if len(ips) != len(tt.ips) {
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t.Errorf("# of hosts = %v; want %v",
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len(ips), len(tt.ips))
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return
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}
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for k, v := range ips {
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if tt.ips[k].String() != v {
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t.Errorf("lookupStaticHost(%q) = %v; want %v",
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tt.host, v, tt.ips[k])
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}
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}
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}
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hostsPath = p
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}
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// https://code.google.com/p/go/issues/detail?id=6646
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func TestSingleLineHostsFile(t *testing.T) {
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p := hostsPath
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hostsPath = "testdata/hosts_singleline"
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ips := lookupStaticHost("odin")
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if len(ips) != 1 || ips[0] != "127.0.0.2" {
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t.Errorf("lookupStaticHost = %v, want %v", ips, []string{"127.0.0.2"})
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}
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hostsPath = p
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}
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func TestLookupHost(t *testing.T) {
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// Can't depend on this to return anything in particular,
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// but if it does return something, make sure it doesn't
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// duplicate addresses (a common bug due to the way
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// getaddrinfo works).
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addrs, _ := LookupHost("localhost")
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sort.Strings(addrs)
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for i := 0; i+1 < len(addrs); i++ {
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if addrs[i] == addrs[i+1] {
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t.Fatalf("LookupHost(\"localhost\") = %v, has duplicate addresses", addrs)
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}
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}
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}
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