10 "github.com/bradfitz/iter"
11 "github.com/stretchr/testify/assert"
12 "github.com/stretchr/testify/require"
16 // Note the shared description "eff". The overlapping ranges at 1.2.8.2
17 // will cause problems. Don't overlap your ranges.
19 # List distributed by iblocklist.com
24 something:more detail:86.59.95.195-86.59.95.195
25 eff:127.0.0.0-127.0.0.1`
31 list, err := NewFromReader(strings.NewReader(sample))
35 err = list.WritePacked(&buf)
39 packedSample = buf.Bytes()
42 func TestIPv4RangeLen(t *testing.T) {
43 ranges, _ := sampleRanges(t)
44 for i := range iter.N(3) {
45 if len(ranges[i].First) != 4 {
48 if len(ranges[i].Last) != 4 {
54 func sampleRanges(tb testing.TB) (ranges []Range, err error) {
55 scanner := bufio.NewScanner(strings.NewReader(sample))
57 r, ok, err := ParseBlocklistP2PLine(scanner.Bytes())
62 ranges = append(ranges, r)
69 func BenchmarkParseP2pBlocklist(b *testing.B) {
70 for i := 0; i < b.N; i++ {
75 func lookupOk(r Range, ok bool) bool {
79 func TestBadIP(t *testing.T) {
80 for _, iplist := range []Ranger{
82 NewFromPacked([]byte("\x00\x00\x00\x00\x00\x00\x00\x00")),
84 assert.False(t, lookupOk(iplist.Lookup(net.IP(make([]byte, 4)))), "%v", iplist)
85 assert.False(t, lookupOk(iplist.Lookup(net.IP(make([]byte, 16)))))
86 assert.Panics(t, func() { iplist.Lookup(nil) })
87 assert.Panics(t, func() { iplist.Lookup(net.IP(make([]byte, 5))) })
91 func testLookuperSimple(t *testing.T, iplist Ranger) {
92 for _, _case := range []struct {
97 {"1.2.3.255", false, ""},
98 {"1.2.8.0", true, "b"},
99 {"1.2.4.255", true, "a"},
100 // Try to roll over to the next octet on the parse. Note the final
101 // octet is overbounds. In the next case.
102 // {"1.2.7.256", true, "bad IP"},
103 {"1.2.8.1", true, "b"},
104 {"1.2.8.2", true, "eff"},
106 ip := net.ParseIP(_case.IP)
107 require.NotNil(t, ip, _case.IP)
108 r, ok := iplist.Lookup(ip)
109 assert.Equal(t, _case.Hit, ok, "%s", _case)
113 assert.Equal(t, _case.Desc, r.Description, "%T", iplist)
117 func TestSimple(t *testing.T) {
118 ranges, err := sampleRanges(t)
119 require.NoError(t, err)
120 require.Len(t, ranges, 5)
121 iplist := New(ranges)
122 testLookuperSimple(t, iplist)
123 packed := NewFromPacked(packedSample)
124 testLookuperSimple(t, packed)