Files
ctrld/internal/clientinfo/hostsfile_test.go
2024-01-22 23:10:17 +07:00

78 lines
2.3 KiB
Go

package clientinfo
import (
"strings"
"testing"
)
func Test_hostsFile_LookupHostnameByIP(t *testing.T) {
tests := []struct {
name string
ip string
hostnames []string
expectedHostname string
}{
{"ipv4 loopback", "127.0.0.1", []string{ipv4LocalhostName}, ""},
{"ipv6 loopback", "::1", []string{ipv6LocalhostName, ipv6LoopbackName}, ""},
{"non-localhost", "::1", []string{"foo"}, "foo"},
{"multiple hostnames", "::1", []string{ipv4LocalhostName, "foo"}, "foo"},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
hf := &hostsFile{m: make(map[string][]string)}
hf.mu.Lock()
hf.m[tc.ip] = tc.hostnames
hf.mu.Unlock()
if got := hf.LookupHostnameByIP(tc.ip); got != tc.expectedHostname {
t.Errorf("unpexpected result, want: %q, got: %q", tc.expectedHostname, got)
}
})
}
}
func Test_parseHostEntriesConfFromReader(t *testing.T) {
const content = `local-zone: "localdomain" transparent
local-data-ptr: "127.0.0.1 localhost"
local-data: "localhost A 127.0.0.1"
local-data: "localhost.localdomain A 127.0.0.1"
local-data-ptr: "::1 localhost"
local-data: "localhost AAAA ::1"
local-data: "localhost.localdomain AAAA ::1"
local-data-ptr: "10.0.10.227 OPNsense.localdomain"
local-data: "OPNsense.localdomain A 10.0.10.227"
local-data: "OPNsense A 10.0.10.227"
local-data-ptr: "fe80::5a78:4e29:caa3:f9f7 OPNsense.localdomain"
local-data: "OPNsense.localdomain AAAA fe80::5a78:4e29:caa3:f9f7"
local-data: "OPNsense AAAA fe80::5a78:4e29:caa3:f9f7"
local-data-ptr: "1.1.1.1 banana-party.local.com"
local-data: "banana-party.local.com IN A 1.1.1.1"
local-data-ptr: "1.1.1.1 cheese-land.lan"
local-data: "cheese-land.lan IN A 1.1.1.1"
`
r := strings.NewReader(content)
hostsMap := parseHostEntriesConfFromReader(r)
if len(hostsMap) != 5 {
t.Fatalf("unexpected number of entries, want 5, got: %d", len(hostsMap))
}
for ip, names := range hostsMap {
switch ip {
case "1.1.1.1":
for _, name := range names {
if name != "banana-party.local.com" && name != "cheese-land.lan" {
t.Fatalf("unexpected names for 1.1.1.1: %v", names)
}
}
case "10.0.10.227":
if len(names) != 1 {
t.Fatalf("unexpected names for 10.0.10.227: %v", names)
}
if names[0] != "OPNsense" {
t.Fatalf("unexpected name: %s", names[0])
}
}
}
}