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api-test.js
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/var/www/cobraambalaj/node_modules/ip/test/api-test.js
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'use strict'; var ip = require('..'); var assert = require('assert'); var net = require('net'); var os = require('os'); describe('IP library for node.js', function() { describe('toBuffer()/toString() methods', function() { it('should convert to buffer IPv4 address', function() { var buf = ip.toBuffer('127.0.0.1'); assert.equal(buf.toString('hex'), '7f000001'); assert.equal(ip.toString(buf), '127.0.0.1'); }); it('should convert to buffer IPv4 address in-place', function() { var buf = new Buffer(128); var offset = 64; ip.toBuffer('127.0.0.1', buf, offset); assert.equal(buf.toString('hex', offset, offset + 4), '7f000001'); assert.equal(ip.toString(buf, offset, 4), '127.0.0.1'); }); it('should convert to buffer IPv6 address', function() { var buf = ip.toBuffer('::1'); assert(/(00){15,15}01/.test(buf.toString('hex'))); assert.equal(ip.toString(buf), '::1'); assert.equal(ip.toString(ip.toBuffer('1::')), '1::'); assert.equal(ip.toString(ip.toBuffer('abcd::dcba')), 'abcd::dcba'); }); it('should convert to buffer IPv6 address in-place', function() { var buf = new Buffer(128); var offset = 64; ip.toBuffer('::1', buf, offset); assert(/(00){15,15}01/.test(buf.toString('hex', offset, offset + 16))); assert.equal(ip.toString(buf, offset, 16), '::1'); assert.equal(ip.toString(ip.toBuffer('1::', buf, offset), offset, 16), '1::'); assert.equal(ip.toString(ip.toBuffer('abcd::dcba', buf, offset), offset, 16), 'abcd::dcba'); }); it('should convert to buffer IPv6 mapped IPv4 address', function() { var buf = ip.toBuffer('::ffff:127.0.0.1'); assert.equal(buf.toString('hex'), '00000000000000000000ffff7f000001'); assert.equal(ip.toString(buf), '::ffff:7f00:1'); buf = ip.toBuffer('ffff::127.0.0.1'); assert.equal(buf.toString('hex'), 'ffff000000000000000000007f000001'); assert.equal(ip.toString(buf), 'ffff::7f00:1'); buf = ip.toBuffer('0:0:0:0:0:ffff:127.0.0.1'); assert.equal(buf.toString('hex'), '00000000000000000000ffff7f000001'); assert.equal(ip.toString(buf), '::ffff:7f00:1'); }); }); describe('fromPrefixLen() method', function() { it('should create IPv4 mask', function() { assert.equal(ip.fromPrefixLen(24), '255.255.255.0'); }); it('should create IPv6 mask', function() { assert.equal(ip.fromPrefixLen(64), 'ffff:ffff:ffff:ffff::'); }); it('should create IPv6 mask explicitly', function() { assert.equal(ip.fromPrefixLen(24, 'IPV6'), 'ffff:ff00::'); }); }); describe('not() method', function() { it('should reverse bits in address', function() { assert.equal(ip.not('255.255.255.0'), '0.0.0.255'); }); }); describe('or() method', function() { it('should or bits in ipv4 addresses', function() { assert.equal(ip.or('0.0.0.255', '192.168.1.10'), '192.168.1.255'); }); it('should or bits in ipv6 addresses', function() { assert.equal(ip.or('::ff', '::abcd:dcba:abcd:dcba'), '::abcd:dcba:abcd:dcff'); }); it('should or bits in mixed addresses', function() { assert.equal(ip.or('0.0.0.255', '::abcd:dcba:abcd:dcba'), '::abcd:dcba:abcd:dcff'); }); }); describe('mask() method', function() { it('should mask bits in address', function() { assert.equal(ip.mask('192.168.1.134', '255.255.255.0'), '192.168.1.0'); assert.equal(ip.mask('192.168.1.134', '::ffff:ff00'), '::ffff:c0a8:100'); }); it('should not leak data', function() { for (var i = 0; i < 10; i++) assert.equal(ip.mask('::1', '0.0.0.0'), '::'); }); }); describe('subnet() method', function() { // Test cases calculated with http://www.subnet-calculator.com/ var ipv4Subnet = ip.subnet('192.168.1.134', '255.255.255.192'); it('should compute ipv4 network address', function() { assert.equal(ipv4Subnet.networkAddress, '192.168.1.128'); }); it('should compute ipv4 network\'s first address', function() { assert.equal(ipv4Subnet.firstAddress, '192.168.1.129'); }); it('should compute ipv4 network\'s last address', function() { assert.equal(ipv4Subnet.lastAddress, '192.168.1.190'); }); it('should compute ipv4 broadcast address', function() { assert.equal(ipv4Subnet.broadcastAddress, '192.168.1.191'); }); it('should compute ipv4 subnet number of addresses', function() { assert.equal(ipv4Subnet.length, 64); }); it('should compute ipv4 subnet number of addressable hosts', function() { assert.equal(ipv4Subnet.numHosts, 62); }); it('should compute ipv4 subnet mask', function() { assert.equal(ipv4Subnet.subnetMask, '255.255.255.192'); }); it('should compute ipv4 subnet mask\'s length', function() { assert.equal(ipv4Subnet.subnetMaskLength, 26); }); it('should know whether a subnet contains an address', function() { assert.equal(ipv4Subnet.contains('192.168.1.180'), true); }); it('should know whether a subnet does not contain an address', function() { assert.equal(ipv4Subnet.contains('192.168.1.195'), false); }); }); describe('subnet() method with mask length 32', function() { // Test cases calculated with http://www.subnet-calculator.com/ var ipv4Subnet = ip.subnet('192.168.1.134', '255.255.255.255'); it('should compute ipv4 network\'s first address', function() { assert.equal(ipv4Subnet.firstAddress, '192.168.1.134'); }); it('should compute ipv4 network\'s last address', function() { assert.equal(ipv4Subnet.lastAddress, '192.168.1.134'); }); it('should compute ipv4 subnet number of addressable hosts', function() { assert.equal(ipv4Subnet.numHosts, 1); }); }); describe('subnet() method with mask length 31', function() { // Test cases calculated with http://www.subnet-calculator.com/ var ipv4Subnet = ip.subnet('192.168.1.134', '255.255.255.254'); it('should compute ipv4 network\'s first address', function() { assert.equal(ipv4Subnet.firstAddress, '192.168.1.134'); }); it('should compute ipv4 network\'s last address', function() { assert.equal(ipv4Subnet.lastAddress, '192.168.1.135'); }); it('should compute ipv4 subnet number of addressable hosts', function() { assert.equal(ipv4Subnet.numHosts, 2); }); }); describe('cidrSubnet() method', function() { // Test cases calculated with http://www.subnet-calculator.com/ var ipv4Subnet = ip.cidrSubnet('192.168.1.134/26'); it('should compute an ipv4 network address', function() { assert.equal(ipv4Subnet.networkAddress, '192.168.1.128'); }); it('should compute an ipv4 network\'s first address', function() { assert.equal(ipv4Subnet.firstAddress, '192.168.1.129'); }); it('should compute an ipv4 network\'s last address', function() { assert.equal(ipv4Subnet.lastAddress, '192.168.1.190'); }); it('should compute an ipv4 broadcast address', function() { assert.equal(ipv4Subnet.broadcastAddress, '192.168.1.191'); }); it('should compute an ipv4 subnet number of addresses', function() { assert.equal(ipv4Subnet.length, 64); }); it('should compute an ipv4 subnet number of addressable hosts', function() { assert.equal(ipv4Subnet.numHosts, 62); }); it('should compute an ipv4 subnet mask', function() { assert.equal(ipv4Subnet.subnetMask, '255.255.255.192'); }); it('should compute an ipv4 subnet mask\'s length', function() { assert.equal(ipv4Subnet.subnetMaskLength, 26); }); it('should know whether a subnet contains an address', function() { assert.equal(ipv4Subnet.contains('192.168.1.180'), true); }); it('should know whether a subnet contains an address', function() { assert.equal(ipv4Subnet.contains('192.168.1.195'), false); }); }); describe('cidr() method', function() { it('should mask address in CIDR notation', function() { assert.equal(ip.cidr('192.168.1.134/26'), '192.168.1.128'); assert.equal(ip.cidr('2607:f0d0:1002:51::4/56'), '2607:f0d0:1002::'); }); }); describe('isEqual() method', function() { it('should check if addresses are equal', function() { assert(ip.isEqual('127.0.0.1', '::7f00:1')); assert(!ip.isEqual('127.0.0.1', '::7f00:2')); assert(ip.isEqual('127.0.0.1', '::ffff:7f00:1')); assert(!ip.isEqual('127.0.0.1', '::ffaf:7f00:1')); assert(ip.isEqual('::ffff:127.0.0.1', '::ffff:127.0.0.1')); assert(ip.isEqual('::ffff:127.0.0.1', '127.0.0.1')); }); }); describe('isPrivate() method', function() { it('should check if an address is localhost', function() { assert.equal(ip.isPrivate('127.0.0.1'), true); }); it('should check if an address is from a 192.168.x.x network', function() { assert.equal(ip.isPrivate('192.168.0.123'), true); assert.equal(ip.isPrivate('192.168.122.123'), true); assert.equal(ip.isPrivate('192.162.1.2'), false); }); it('should check if an address is from a 172.16.x.x network', function() { assert.equal(ip.isPrivate('172.16.0.5'), true); assert.equal(ip.isPrivate('172.16.123.254'), true); assert.equal(ip.isPrivate('171.16.0.5'), false); assert.equal(ip.isPrivate('172.25.232.15'), true); assert.equal(ip.isPrivate('172.15.0.5'), false); assert.equal(ip.isPrivate('172.32.0.5'), false); }); it('should check if an address is from a 169.254.x.x network', function() { assert.equal(ip.isPrivate('169.254.2.3'), true); assert.equal(ip.isPrivate('169.254.221.9'), true); assert.equal(ip.isPrivate('168.254.2.3'), false); }); it('should check if an address is from a 10.x.x.x network', function() { assert.equal(ip.isPrivate('10.0.2.3'), true); assert.equal(ip.isPrivate('10.1.23.45'), true); assert.equal(ip.isPrivate('12.1.2.3'), false); }); it('should check if an address is from a private IPv6 network', function() { assert.equal(ip.isPrivate('fd12:3456:789a:1::1'), true); assert.equal(ip.isPrivate('fe80::f2de:f1ff:fe3f:307e'), true); assert.equal(ip.isPrivate('::ffff:10.100.1.42'), true); assert.equal(ip.isPrivate('::FFFF:172.16.200.1'), true); assert.equal(ip.isPrivate('::ffff:192.168.0.1'), true); }); it('should check if an address is from the internet', function() { assert.equal(ip.isPrivate('165.225.132.33'), false); // joyent.com }); it('should check if an address is a loopback IPv6 address', function() { assert.equal(ip.isPrivate('::'), true); assert.equal(ip.isPrivate('::1'), true); assert.equal(ip.isPrivate('fe80::1'), true); }); }); describe('loopback() method', function() { describe('undefined', function() { it('should respond with 127.0.0.1', function() { assert.equal(ip.loopback(), '127.0.0.1') }); }); describe('ipv4', function() { it('should respond with 127.0.0.1', function() { assert.equal(ip.loopback('ipv4'), '127.0.0.1') }); }); describe('ipv6', function() { it('should respond with fe80::1', function() { assert.equal(ip.loopback('ipv6'), 'fe80::1') }); }); }); describe('isLoopback() method', function() { describe('127.0.0.1', function() { it('should respond with true', function() { assert.ok(ip.isLoopback('127.0.0.1')) }); }); describe('127.8.8.8', function () { it('should respond with true', function () { assert.ok(ip.isLoopback('127.8.8.8')) }); }); describe('8.8.8.8', function () { it('should respond with false', function () { assert.equal(ip.isLoopback('8.8.8.8'), false); }); }); describe('fe80::1', function() { it('should respond with true', function() { assert.ok(ip.isLoopback('fe80::1')) }); }); describe('::1', function() { it('should respond with true', function() { assert.ok(ip.isLoopback('::1')) }); }); describe('::', function() { it('should respond with true', function() { assert.ok(ip.isLoopback('::')) }); }); }); describe('address() method', function() { describe('undefined', function() { it('should respond with a private ip', function() { assert.ok(ip.isPrivate(ip.address())); }); }); describe('private', function() { [ undefined, 'ipv4', 'ipv6' ].forEach(function(family) { describe(family, function() { it('should respond with a private ip', function() { assert.ok(ip.isPrivate(ip.address('private', family))); }); }); }); }); var interfaces = os.networkInterfaces(); Object.keys(interfaces).forEach(function(nic) { describe(nic, function() { [ undefined, 'ipv4' ].forEach(function(family) { describe(family, function() { it('should respond with an ipv4 address', function() { var addr = ip.address(nic, family); assert.ok(!addr || net.isIPv4(addr)); }); }); }); describe('ipv6', function() { it('should respond with an ipv6 address', function() { var addr = ip.address(nic, 'ipv6'); assert.ok(!addr || net.isIPv6(addr)); }); }) }); }); }); describe('toLong() method', function() { it('should respond with a int', function() { assert.equal(ip.toLong('127.0.0.1'), 2130706433); assert.equal(ip.toLong('255.255.255.255'), 4294967295); }); }); describe('fromLong() method', function() { it('should repond with ipv4 address', function() { assert.equal(ip.fromLong(2130706433), '127.0.0.1'); assert.equal(ip.fromLong(4294967295), '255.255.255.255'); }); }) });
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