FedP2P/iplist/iplist_test.go

130 lines
2.5 KiB
Go

package iplist
import (
"bufio"
"fmt"
"net"
"strings"
"testing"
"github.com/bradfitz/iter"
"github.com/anacrolix/torrent/util"
)
var sample = `
# List distributed by iblocklist.com
a:1.2.4.0-1.2.4.255
b:1.2.8.0-1.2.8.255
something:more detail:86.59.95.195-86.59.95.195`
func TestIPv4RangeLen(t *testing.T) {
ranges, _ := sampleRanges(t)
for i := range iter.N(3) {
if len(ranges[i].First) != 4 {
t.FailNow()
}
if len(ranges[i].Last) != 4 {
t.FailNow()
}
}
}
func sampleRanges(tb testing.TB) (ranges []Range, err error) {
scanner := bufio.NewScanner(strings.NewReader(sample))
for scanner.Scan() {
r, ok, err := ParseBlocklistP2PLine(scanner.Bytes())
if err != nil {
tb.Fatal(err)
}
if ok {
ranges = append(ranges, r)
}
}
err = scanner.Err()
return
}
func BenchmarkParseP2pBlocklist(b *testing.B) {
for i := 0; i < b.N; i++ {
sampleRanges(b)
}
}
func connRemoteAddrIP(network, laddr string, dialHost string) net.IP {
l, err := net.Listen(network, laddr)
if err != nil {
panic(err)
}
go func() {
c, err := net.Dial(network, net.JoinHostPort(dialHost, fmt.Sprintf("%d", util.AddrPort(l.Addr()))))
if err != nil {
panic(err)
}
defer c.Close()
}()
c, err := l.Accept()
if err != nil {
panic(err)
}
defer c.Close()
ret := util.AddrIP(c.RemoteAddr())
return ret
}
func TestBadIP(t *testing.T) {
iplist := New(nil)
if iplist.Lookup(net.IP(make([]byte, 4))) != nil {
t.FailNow()
}
if iplist.Lookup(net.IP(make([]byte, 16))) != nil {
t.FailNow()
}
if iplist.Lookup(nil) == nil {
t.FailNow()
}
if iplist.Lookup(net.IP(make([]byte, 5))) == nil {
t.FailNow()
}
}
func TestSimple(t *testing.T) {
ranges, err := sampleRanges(t)
if err != nil {
t.Fatal(err)
}
if len(ranges) != 3 {
t.Fatalf("expected 3 ranges but got %d", len(ranges))
}
iplist := New(ranges)
for _, _case := range []struct {
IP string
Hit bool
Desc string
}{
{"1.2.3.255", false, ""},
{"1.2.8.0", true, "b"},
{"1.2.4.255", true, "a"},
// Try to roll over to the next octet on the parse. Note the final
// octet is overbounds. In the next case.
{"1.2.7.256", true, "unsupported IP: <nil>"},
{"1.2.8.254", true, "b"},
} {
ip := net.ParseIP(_case.IP)
r := iplist.Lookup(ip)
if !_case.Hit {
if r != nil {
t.Fatalf("got hit when none was expected: %s", ip)
}
continue
}
if r == nil {
t.Fatalf("expected hit for %q", _case.IP)
}
if r.Description != _case.Desc {
t.Fatalf("%q != %q", r.Description, _case.Desc)
}
}
}