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spec/util_ip_spec.lua @ 11142:552cafd30eb2 0.11
MUC: Preserve disco 'node' attribute (or lack thereof) in response (fix #1595) (thanks lessthan3)
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 07 Oct 2020 13:33:02 +0200 |
parent | 8236:4878e4159e12 |
child | 12934:c6dffebab2f8 |
rev | line source |
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8236
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1 |
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2 local ip = require "util.ip"; |
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3 |
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4 local new_ip = ip.new_ip; |
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5 local match = ip.match; |
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6 local parse_cidr = ip.parse_cidr; |
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7 local commonPrefixLength = ip.commonPrefixLength; |
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8 |
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9 describe("util.ip", function() |
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10 describe("#match()", function() |
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11 it("should work", function() |
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12 local _ = new_ip; |
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13 local ip = _"10.20.30.40"; |
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14 assert.are.equal(match(ip, _"10.0.0.0", 8), true); |
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15 assert.are.equal(match(ip, _"10.0.0.0", 16), false); |
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16 assert.are.equal(match(ip, _"10.0.0.0", 24), false); |
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17 assert.are.equal(match(ip, _"10.0.0.0", 32), false); |
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18 |
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19 assert.are.equal(match(ip, _"10.20.0.0", 8), true); |
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20 assert.are.equal(match(ip, _"10.20.0.0", 16), true); |
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21 assert.are.equal(match(ip, _"10.20.0.0", 24), false); |
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22 assert.are.equal(match(ip, _"10.20.0.0", 32), false); |
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23 |
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24 assert.are.equal(match(ip, _"0.0.0.0", 32), false); |
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25 assert.are.equal(match(ip, _"0.0.0.0", 0), true); |
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26 assert.are.equal(match(ip, _"0.0.0.0"), false); |
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27 |
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28 assert.are.equal(match(ip, _"10.0.0.0", 255), false, "excessive number of bits"); |
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29 assert.are.equal(match(ip, _"10.0.0.0", -8), true, "negative number of bits"); |
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30 assert.are.equal(match(ip, _"10.0.0.0", -32), true, "negative number of bits"); |
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31 assert.are.equal(match(ip, _"10.0.0.0", 0), true, "zero bits"); |
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32 assert.are.equal(match(ip, _"10.0.0.0"), false, "no specified number of bits (differing ip)"); |
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33 assert.are.equal(match(ip, _"10.20.30.40"), true, "no specified number of bits (same ip)"); |
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34 |
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35 assert.are.equal(match(_"127.0.0.1", _"127.0.0.1"), true, "simple ip"); |
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36 |
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37 assert.are.equal(match(_"8.8.8.8", _"8.8.0.0", 16), true); |
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38 assert.are.equal(match(_"8.8.4.4", _"8.8.0.0", 16), true); |
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39 end); |
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40 end); |
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41 |
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42 describe("#parse_cidr()", function() |
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43 it("should work", function() |
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44 assert.are.equal(new_ip"0.0.0.0", new_ip"0.0.0.0") |
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45 |
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46 local function assert_cidr(cidr, ip, bits) |
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47 local parsed_ip, parsed_bits = parse_cidr(cidr); |
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48 assert.are.equal(new_ip(ip), parsed_ip, cidr.." parsed ip is "..ip); |
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49 assert.are.equal(bits, parsed_bits, cidr.." parsed bits is "..tostring(bits)); |
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50 end |
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51 assert_cidr("0.0.0.0", "0.0.0.0", nil); |
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52 assert_cidr("127.0.0.1", "127.0.0.1", nil); |
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53 assert_cidr("127.0.0.1/0", "127.0.0.1", 0); |
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54 assert_cidr("127.0.0.1/8", "127.0.0.1", 8); |
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55 assert_cidr("127.0.0.1/32", "127.0.0.1", 32); |
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56 assert_cidr("127.0.0.1/256", "127.0.0.1", 256); |
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57 assert_cidr("::/48", "::", 48); |
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58 end); |
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59 end); |
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60 |
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61 describe("#new_ip()", function() |
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62 it("should work", function() |
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63 local v4, v6 = "IPv4", "IPv6"; |
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64 local function assert_proto(s, proto) |
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65 local ip = new_ip(s); |
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66 if proto then |
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67 assert.are.equal(ip and ip.proto, proto, "protocol is correct for "..("%q"):format(s)); |
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68 else |
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69 assert.are.equal(ip, nil, "address is invalid"); |
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70 end |
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71 end |
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72 assert_proto("127.0.0.1", v4); |
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73 assert_proto("::1", v6); |
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74 assert_proto("", nil); |
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75 assert_proto("abc", nil); |
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76 assert_proto(" ", nil); |
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77 end); |
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78 end); |
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79 |
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80 describe("#commonPrefixLength()", function() |
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81 it("should work", function() |
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82 local function assert_cpl6(a, b, len, v4) |
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83 local ipa, ipb = new_ip(a), new_ip(b); |
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84 if v4 then len = len+96; end |
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85 assert.are.equal(commonPrefixLength(ipa, ipb), len, "common prefix length of "..a.." and "..b.." is "..len); |
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86 assert.are.equal(commonPrefixLength(ipb, ipa), len, "common prefix length of "..b.." and "..a.." is "..len); |
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87 end |
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88 local function assert_cpl4(a, b, len) |
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89 return assert_cpl6(a, b, len, "IPv4"); |
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90 end |
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91 assert_cpl4("0.0.0.0", "0.0.0.0", 32); |
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92 assert_cpl4("255.255.255.255", "0.0.0.0", 0); |
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93 assert_cpl4("255.255.255.255", "255.255.0.0", 16); |
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94 assert_cpl4("255.255.255.255", "255.255.255.255", 32); |
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95 assert_cpl4("255.255.255.255", "255.255.255.255", 32); |
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96 |
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97 assert_cpl6("::1", "::1", 128); |
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98 assert_cpl6("abcd::1", "abcd::1", 128); |
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99 assert_cpl6("abcd::abcd", "abcd::", 112); |
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100 assert_cpl6("abcd::abcd", "abcd::abcd:abcd", 96); |
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101 end); |
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102 end); |
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103 end); |