source: trip-planner-front/node_modules/ip/test/api-test.js@ 1ad8e64

Last change on this file since 1ad8e64 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

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1'use strict';
2
3var ip = require('..');
4var assert = require('assert');
5var net = require('net');
6var os = require('os');
7
8describe('IP library for node.js', function() {
9 describe('toBuffer()/toString() methods', function() {
10 it('should convert to buffer IPv4 address', function() {
11 var buf = ip.toBuffer('127.0.0.1');
12 assert.equal(buf.toString('hex'), '7f000001');
13 assert.equal(ip.toString(buf), '127.0.0.1');
14 });
15
16 it('should convert to buffer IPv4 address in-place', function() {
17 var buf = new Buffer(128);
18 var offset = 64;
19 ip.toBuffer('127.0.0.1', buf, offset);
20 assert.equal(buf.toString('hex', offset, offset + 4), '7f000001');
21 assert.equal(ip.toString(buf, offset, 4), '127.0.0.1');
22 });
23
24 it('should convert to buffer IPv6 address', function() {
25 var buf = ip.toBuffer('::1');
26 assert(/(00){15,15}01/.test(buf.toString('hex')));
27 assert.equal(ip.toString(buf), '::1');
28 assert.equal(ip.toString(ip.toBuffer('1::')), '1::');
29 assert.equal(ip.toString(ip.toBuffer('abcd::dcba')), 'abcd::dcba');
30 });
31
32 it('should convert to buffer IPv6 address in-place', function() {
33 var buf = new Buffer(128);
34 var offset = 64;
35 ip.toBuffer('::1', buf, offset);
36 assert(/(00){15,15}01/.test(buf.toString('hex', offset, offset + 16)));
37 assert.equal(ip.toString(buf, offset, 16), '::1');
38 assert.equal(ip.toString(ip.toBuffer('1::', buf, offset),
39 offset, 16), '1::');
40 assert.equal(ip.toString(ip.toBuffer('abcd::dcba', buf, offset),
41 offset, 16), 'abcd::dcba');
42 });
43
44 it('should convert to buffer IPv6 mapped IPv4 address', function() {
45 var buf = ip.toBuffer('::ffff:127.0.0.1');
46 assert.equal(buf.toString('hex'), '00000000000000000000ffff7f000001');
47 assert.equal(ip.toString(buf), '::ffff:7f00:1');
48
49 buf = ip.toBuffer('ffff::127.0.0.1');
50 assert.equal(buf.toString('hex'), 'ffff000000000000000000007f000001');
51 assert.equal(ip.toString(buf), 'ffff::7f00:1');
52
53 buf = ip.toBuffer('0:0:0:0:0:ffff:127.0.0.1');
54 assert.equal(buf.toString('hex'), '00000000000000000000ffff7f000001');
55 assert.equal(ip.toString(buf), '::ffff:7f00:1');
56 });
57 });
58
59 describe('fromPrefixLen() method', function() {
60 it('should create IPv4 mask', function() {
61 assert.equal(ip.fromPrefixLen(24), '255.255.255.0');
62 });
63 it('should create IPv6 mask', function() {
64 assert.equal(ip.fromPrefixLen(64), 'ffff:ffff:ffff:ffff::');
65 });
66 it('should create IPv6 mask explicitly', function() {
67 assert.equal(ip.fromPrefixLen(24, 'IPV6'), 'ffff:ff00::');
68 });
69 });
70
71 describe('not() method', function() {
72 it('should reverse bits in address', function() {
73 assert.equal(ip.not('255.255.255.0'), '0.0.0.255');
74 });
75 });
76
77 describe('or() method', function() {
78 it('should or bits in ipv4 addresses', function() {
79 assert.equal(ip.or('0.0.0.255', '192.168.1.10'), '192.168.1.255');
80 });
81 it('should or bits in ipv6 addresses', function() {
82 assert.equal(ip.or('::ff', '::abcd:dcba:abcd:dcba'),
83 '::abcd:dcba:abcd:dcff');
84 });
85 it('should or bits in mixed addresses', function() {
86 assert.equal(ip.or('0.0.0.255', '::abcd:dcba:abcd:dcba'),
87 '::abcd:dcba:abcd:dcff');
88 });
89 });
90
91 describe('mask() method', function() {
92 it('should mask bits in address', function() {
93 assert.equal(ip.mask('192.168.1.134', '255.255.255.0'), '192.168.1.0');
94 assert.equal(ip.mask('192.168.1.134', '::ffff:ff00'), '::ffff:c0a8:100');
95 });
96
97 it('should not leak data', function() {
98 for (var i = 0; i < 10; i++)
99 assert.equal(ip.mask('::1', '0.0.0.0'), '::');
100 });
101 });
102
103 describe('subnet() method', function() {
104 // Test cases calculated with http://www.subnet-calculator.com/
105 var ipv4Subnet = ip.subnet('192.168.1.134', '255.255.255.192');
106
107 it('should compute ipv4 network address', function() {
108 assert.equal(ipv4Subnet.networkAddress, '192.168.1.128');
109 });
110
111 it('should compute ipv4 network\'s first address', function() {
112 assert.equal(ipv4Subnet.firstAddress, '192.168.1.129');
113 });
114
115 it('should compute ipv4 network\'s last address', function() {
116 assert.equal(ipv4Subnet.lastAddress, '192.168.1.190');
117 });
118
119 it('should compute ipv4 broadcast address', function() {
120 assert.equal(ipv4Subnet.broadcastAddress, '192.168.1.191');
121 });
122
123 it('should compute ipv4 subnet number of addresses', function() {
124 assert.equal(ipv4Subnet.length, 64);
125 });
126
127 it('should compute ipv4 subnet number of addressable hosts', function() {
128 assert.equal(ipv4Subnet.numHosts, 62);
129 });
130
131 it('should compute ipv4 subnet mask', function() {
132 assert.equal(ipv4Subnet.subnetMask, '255.255.255.192');
133 });
134
135 it('should compute ipv4 subnet mask\'s length', function() {
136 assert.equal(ipv4Subnet.subnetMaskLength, 26);
137 });
138
139 it('should know whether a subnet contains an address', function() {
140 assert.equal(ipv4Subnet.contains('192.168.1.180'), true);
141 });
142
143 it('should know whether a subnet does not contain an address', function() {
144 assert.equal(ipv4Subnet.contains('192.168.1.195'), false);
145 });
146 });
147
148 describe('subnet() method with mask length 32', function() {
149 // Test cases calculated with http://www.subnet-calculator.com/
150 var ipv4Subnet = ip.subnet('192.168.1.134', '255.255.255.255');
151 it('should compute ipv4 network\'s first address', function() {
152 assert.equal(ipv4Subnet.firstAddress, '192.168.1.134');
153 });
154
155 it('should compute ipv4 network\'s last address', function() {
156 assert.equal(ipv4Subnet.lastAddress, '192.168.1.134');
157 });
158
159 it('should compute ipv4 subnet number of addressable hosts', function() {
160 assert.equal(ipv4Subnet.numHosts, 1);
161 });
162 });
163
164 describe('subnet() method with mask length 31', function() {
165 // Test cases calculated with http://www.subnet-calculator.com/
166 var ipv4Subnet = ip.subnet('192.168.1.134', '255.255.255.254');
167 it('should compute ipv4 network\'s first address', function() {
168 assert.equal(ipv4Subnet.firstAddress, '192.168.1.134');
169 });
170
171 it('should compute ipv4 network\'s last address', function() {
172 assert.equal(ipv4Subnet.lastAddress, '192.168.1.135');
173 });
174
175 it('should compute ipv4 subnet number of addressable hosts', function() {
176 assert.equal(ipv4Subnet.numHosts, 2);
177 });
178 });
179
180 describe('cidrSubnet() method', function() {
181 // Test cases calculated with http://www.subnet-calculator.com/
182 var ipv4Subnet = ip.cidrSubnet('192.168.1.134/26');
183
184 it('should compute an ipv4 network address', function() {
185 assert.equal(ipv4Subnet.networkAddress, '192.168.1.128');
186 });
187
188 it('should compute an ipv4 network\'s first address', function() {
189 assert.equal(ipv4Subnet.firstAddress, '192.168.1.129');
190 });
191
192 it('should compute an ipv4 network\'s last address', function() {
193 assert.equal(ipv4Subnet.lastAddress, '192.168.1.190');
194 });
195
196 it('should compute an ipv4 broadcast address', function() {
197 assert.equal(ipv4Subnet.broadcastAddress, '192.168.1.191');
198 });
199
200 it('should compute an ipv4 subnet number of addresses', function() {
201 assert.equal(ipv4Subnet.length, 64);
202 });
203
204 it('should compute an ipv4 subnet number of addressable hosts', function() {
205 assert.equal(ipv4Subnet.numHosts, 62);
206 });
207
208 it('should compute an ipv4 subnet mask', function() {
209 assert.equal(ipv4Subnet.subnetMask, '255.255.255.192');
210 });
211
212 it('should compute an ipv4 subnet mask\'s length', function() {
213 assert.equal(ipv4Subnet.subnetMaskLength, 26);
214 });
215
216 it('should know whether a subnet contains an address', function() {
217 assert.equal(ipv4Subnet.contains('192.168.1.180'), true);
218 });
219
220 it('should know whether a subnet contains an address', function() {
221 assert.equal(ipv4Subnet.contains('192.168.1.195'), false);
222 });
223
224 });
225
226 describe('cidr() method', function() {
227 it('should mask address in CIDR notation', function() {
228 assert.equal(ip.cidr('192.168.1.134/26'), '192.168.1.128');
229 assert.equal(ip.cidr('2607:f0d0:1002:51::4/56'), '2607:f0d0:1002::');
230 });
231 });
232
233 describe('isEqual() method', function() {
234 it('should check if addresses are equal', function() {
235 assert(ip.isEqual('127.0.0.1', '::7f00:1'));
236 assert(!ip.isEqual('127.0.0.1', '::7f00:2'));
237 assert(ip.isEqual('127.0.0.1', '::ffff:7f00:1'));
238 assert(!ip.isEqual('127.0.0.1', '::ffaf:7f00:1'));
239 assert(ip.isEqual('::ffff:127.0.0.1', '::ffff:127.0.0.1'));
240 assert(ip.isEqual('::ffff:127.0.0.1', '127.0.0.1'));
241 });
242 });
243
244
245 describe('isPrivate() method', function() {
246 it('should check if an address is localhost', function() {
247 assert.equal(ip.isPrivate('127.0.0.1'), true);
248 });
249
250 it('should check if an address is from a 192.168.x.x network', function() {
251 assert.equal(ip.isPrivate('192.168.0.123'), true);
252 assert.equal(ip.isPrivate('192.168.122.123'), true);
253 assert.equal(ip.isPrivate('192.162.1.2'), false);
254 });
255
256 it('should check if an address is from a 172.16.x.x network', function() {
257 assert.equal(ip.isPrivate('172.16.0.5'), true);
258 assert.equal(ip.isPrivate('172.16.123.254'), true);
259 assert.equal(ip.isPrivate('171.16.0.5'), false);
260 assert.equal(ip.isPrivate('172.25.232.15'), true);
261 assert.equal(ip.isPrivate('172.15.0.5'), false);
262 assert.equal(ip.isPrivate('172.32.0.5'), false);
263 });
264
265 it('should check if an address is from a 169.254.x.x network', function() {
266 assert.equal(ip.isPrivate('169.254.2.3'), true);
267 assert.equal(ip.isPrivate('169.254.221.9'), true);
268 assert.equal(ip.isPrivate('168.254.2.3'), false);
269 });
270
271 it('should check if an address is from a 10.x.x.x network', function() {
272 assert.equal(ip.isPrivate('10.0.2.3'), true);
273 assert.equal(ip.isPrivate('10.1.23.45'), true);
274 assert.equal(ip.isPrivate('12.1.2.3'), false);
275 });
276
277 it('should check if an address is from a private IPv6 network', function() {
278 assert.equal(ip.isPrivate('fd12:3456:789a:1::1'), true);
279 assert.equal(ip.isPrivate('fe80::f2de:f1ff:fe3f:307e'), true);
280 assert.equal(ip.isPrivate('::ffff:10.100.1.42'), true);
281 assert.equal(ip.isPrivate('::FFFF:172.16.200.1'), true);
282 assert.equal(ip.isPrivate('::ffff:192.168.0.1'), true);
283 });
284
285 it('should check if an address is from the internet', function() {
286 assert.equal(ip.isPrivate('165.225.132.33'), false); // joyent.com
287 });
288
289 it('should check if an address is a loopback IPv6 address', function() {
290 assert.equal(ip.isPrivate('::'), true);
291 assert.equal(ip.isPrivate('::1'), true);
292 assert.equal(ip.isPrivate('fe80::1'), true);
293 });
294 });
295
296 describe('loopback() method', function() {
297 describe('undefined', function() {
298 it('should respond with 127.0.0.1', function() {
299 assert.equal(ip.loopback(), '127.0.0.1')
300 });
301 });
302
303 describe('ipv4', function() {
304 it('should respond with 127.0.0.1', function() {
305 assert.equal(ip.loopback('ipv4'), '127.0.0.1')
306 });
307 });
308
309 describe('ipv6', function() {
310 it('should respond with fe80::1', function() {
311 assert.equal(ip.loopback('ipv6'), 'fe80::1')
312 });
313 });
314 });
315
316 describe('isLoopback() method', function() {
317 describe('127.0.0.1', function() {
318 it('should respond with true', function() {
319 assert.ok(ip.isLoopback('127.0.0.1'))
320 });
321 });
322
323 describe('127.8.8.8', function () {
324 it('should respond with true', function () {
325 assert.ok(ip.isLoopback('127.8.8.8'))
326 });
327 });
328
329 describe('8.8.8.8', function () {
330 it('should respond with false', function () {
331 assert.equal(ip.isLoopback('8.8.8.8'), false);
332 });
333 });
334
335 describe('fe80::1', function() {
336 it('should respond with true', function() {
337 assert.ok(ip.isLoopback('fe80::1'))
338 });
339 });
340
341 describe('::1', function() {
342 it('should respond with true', function() {
343 assert.ok(ip.isLoopback('::1'))
344 });
345 });
346
347 describe('::', function() {
348 it('should respond with true', function() {
349 assert.ok(ip.isLoopback('::'))
350 });
351 });
352 });
353
354 describe('address() method', function() {
355 describe('undefined', function() {
356 it('should respond with a private ip', function() {
357 assert.ok(ip.isPrivate(ip.address()));
358 });
359 });
360
361 describe('private', function() {
362 [ undefined, 'ipv4', 'ipv6' ].forEach(function(family) {
363 describe(family, function() {
364 it('should respond with a private ip', function() {
365 assert.ok(ip.isPrivate(ip.address('private', family)));
366 });
367 });
368 });
369 });
370
371 var interfaces = os.networkInterfaces();
372
373 Object.keys(interfaces).forEach(function(nic) {
374 describe(nic, function() {
375 [ undefined, 'ipv4' ].forEach(function(family) {
376 describe(family, function() {
377 it('should respond with an ipv4 address', function() {
378 var addr = ip.address(nic, family);
379 assert.ok(!addr || net.isIPv4(addr));
380 });
381 });
382 });
383
384 describe('ipv6', function() {
385 it('should respond with an ipv6 address', function() {
386 var addr = ip.address(nic, 'ipv6');
387 assert.ok(!addr || net.isIPv6(addr));
388 });
389 })
390 });
391 });
392 });
393
394 describe('toLong() method', function() {
395 it('should respond with a int', function() {
396 assert.equal(ip.toLong('127.0.0.1'), 2130706433);
397 assert.equal(ip.toLong('255.255.255.255'), 4294967295);
398 });
399 });
400
401 describe('fromLong() method', function() {
402 it('should repond with ipv4 address', function() {
403 assert.equal(ip.fromLong(2130706433), '127.0.0.1');
404 assert.equal(ip.fromLong(4294967295), '255.255.255.255');
405 });
406 })
407});
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