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tests/test_util_ip.lua @ 5607:eee23fb79a5e

test_util_ip.lua: Add more tests for util.ip
author Matthew Wild <mwild1@gmail.com>
date Sat, 18 May 2013 21:40:40 +0100
parent 5606:3dc141acf381
child 5776:bd0ff8ae98a8
comparison
equal deleted inserted replaced
5606:3dc141acf381 5607:eee23fb79a5e
1 1
2 function match(match) 2 function match(match, _M)
3 local _ = require "util.ip".new_ip; 3 local _ = _M.new_ip;
4 local ip = _"10.20.30.40"; 4 local ip = _"10.20.30.40";
5 assert_equal(match(ip, _"10.0.0.0", 8), true); 5 assert_equal(match(ip, _"10.0.0.0", 8), true);
6 assert_equal(match(ip, _"10.0.0.0", 16), false); 6 assert_equal(match(ip, _"10.0.0.0", 16), false);
7 assert_equal(match(ip, _"10.0.0.0", 24), false); 7 assert_equal(match(ip, _"10.0.0.0", 24), false);
8 assert_equal(match(ip, _"10.0.0.0", 32), false); 8 assert_equal(match(ip, _"10.0.0.0", 32), false);
21 assert_equal(match(ip, _"10.0.0.0", -32), true, "negative number of bits"); 21 assert_equal(match(ip, _"10.0.0.0", -32), true, "negative number of bits");
22 assert_equal(match(ip, _"10.0.0.0", 0), true, "zero bits"); 22 assert_equal(match(ip, _"10.0.0.0", 0), true, "zero bits");
23 assert_equal(match(ip, _"10.0.0.0"), false, "no specified number of bits (differing ip)"); 23 assert_equal(match(ip, _"10.0.0.0"), false, "no specified number of bits (differing ip)");
24 assert_equal(match(ip, _"10.20.30.40"), true, "no specified number of bits (same ip)"); 24 assert_equal(match(ip, _"10.20.30.40"), true, "no specified number of bits (same ip)");
25 25
26 assert_equal(match(_"80.244.94.84", _"80.244.94.84"), true, "simple ip"); 26 assert_equal(match(_"127.0.0.1", _"127.0.0.1"), true, "simple ip");
27 27
28 assert_equal(match(_"8.8.8.8", _"8.8.0.0", 16), true); 28 assert_equal(match(_"8.8.8.8", _"8.8.0.0", 16), true);
29 assert_equal(match(_"8.8.4.4", _"8.8.0.0", 16), true); 29 assert_equal(match(_"8.8.4.4", _"8.8.0.0", 16), true);
30 end 30 end
31
32 function parse_cidr(parse_cidr, _M)
33 local new_ip = _M.new_ip;
34
35 assert_equal(new_ip"0.0.0.0", new_ip"0.0.0.0")
36
37 local function assert_cidr(cidr, ip, bits)
38 local parsed_ip, parsed_bits = parse_cidr(cidr);
39 assert_equal(new_ip(ip), parsed_ip, cidr.." parsed ip is "..ip);
40 assert_equal(bits, parsed_bits, cidr.." parsed bits is "..tostring(bits));
41 end
42 assert_cidr("0.0.0.0", "0.0.0.0", nil);
43 assert_cidr("127.0.0.1", "127.0.0.1", nil);
44 assert_cidr("127.0.0.1/0", "127.0.0.1", 0);
45 assert_cidr("127.0.0.1/8", "127.0.0.1", 8);
46 assert_cidr("127.0.0.1/32", "127.0.0.1", 32);
47 assert_cidr("127.0.0.1/256", "127.0.0.1", 256);
48 assert_cidr("::/48", "::", 48);
49 end
50
51 function new_ip(new_ip)
52 local v4, v6 = "IPv4", "IPv6";
53 local function assert_proto(s, proto)
54 local ip = new_ip(s);
55 if proto then
56 assert_equal(ip and ip.proto, proto, "protocol is correct for "..("%q"):format(s));
57 else
58 assert_equal(ip, nil, "address is invalid");
59 end
60 end
61 assert_proto("127.0.0.1", v4);
62 assert_proto("::1", v6);
63 assert_proto("", nil);
64 assert_proto("abc", nil);
65 assert_proto(" ", nil);
66 end
67
68 function commonPrefixLength(cpl, _M)
69 local new_ip = _M.new_ip;
70 local function assert_cpl6(a, b, len, v4)
71 local ipa, ipb = new_ip(a), new_ip(b);
72 if v4 then len = len+96; end
73 assert_equal(cpl(ipa, ipb), len, "common prefix length of "..a.." and "..b.." is "..len);
74 assert_equal(cpl(ipb, ipa), len, "common prefix length of "..b.." and "..a.." is "..len);
75 end
76 local function assert_cpl4(a, b, len)
77 return assert_cpl6(a, b, len, "IPv4");
78 end
79 assert_cpl4("0.0.0.0", "0.0.0.0", 32);
80 assert_cpl4("255.255.255.255", "0.0.0.0", 0);
81 assert_cpl4("255.255.255.255", "255.255.0.0", 16);
82 assert_cpl4("255.255.255.255", "255.255.255.255", 32);
83 assert_cpl4("255.255.255.255", "255.255.255.255", 32);
84
85 assert_cpl6("::1", "::1", 128);
86 assert_cpl6("abcd::1", "abcd::1", 128);
87 assert_cpl6("abcd::abcd", "abcd::", 112);
88 assert_cpl6("abcd::abcd", "abcd::abcd:abcd", 96);
89 end