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'use strict';
const common = require('../common');
const { addresses } = require('../common/internet');
if (!common.hasIPv6)
common.skip('this test, no IPv6 support');
const assert = require('assert');
const dns = require('dns');
const net = require('net');
const dnsPromises = dns.promises;
const isIPv6 = net.isIPv6;
let running = false;
const queue = [];
function TEST(f) {
function next() {
const f = queue.shift();
if (f) {
running = true;
console.log(f.name);
f(done);
}
}
function done() {
running = false;
process.nextTick(next);
}
queue.push(f);
if (!running) {
next();
}
}
function checkWrap(req) {
assert.ok(typeof req === 'object');
}
TEST(async function test_resolve6(done) {
function validateResult(res) {
assert.ok(res.length > 0);
for (let i = 0; i < res.length; i++) {
assert.ok(isIPv6(res[i]));
}
}
validateResult(await dnsPromises.resolve6(addresses.INET6_HOST));
const req = dns.resolve6(
addresses.INET6_HOST,
common.mustCall((err, ips) => {
assert.ifError(err);
validateResult(ips);
done();
}));
checkWrap(req);
});
TEST(async function test_reverse_ipv6(done) {
function validateResult(res) {
assert.ok(res.length > 0);
for (let i = 0; i < res.length; i++) {
assert.ok(typeof res[i] === 'string');
}
}
validateResult(await dnsPromises.reverse(addresses.INET6_IP));
const req = dns.reverse(
addresses.INET6_IP,
common.mustCall((err, domains) => {
assert.ifError(err);
validateResult(domains);
done();
}));
checkWrap(req);
});
TEST(async function test_lookup_ipv6_explicit(done) {
function validateResult(res) {
assert.ok(isIPv6(res.address));
assert.strictEqual(res.family, 6);
}
validateResult(await dnsPromises.lookup(addresses.INET6_HOST, 6));
const req = dns.lookup(
addresses.INET6_HOST,
6,
common.mustCall((err, ip, family) => {
assert.ifError(err);
validateResult({ address: ip, family });
done();
}));
checkWrap(req);
});
/* This ends up just being too problematic to test
TEST(function test_lookup_ipv6_implicit(done) {
var req = dns.lookup(addresses.INET6_HOST, function(err, ip, family) {
assert.ifError(err);
assert.ok(net.isIPv6(ip));
assert.strictEqual(family, 6);
done();
});
checkWrap(req);
});
*/
TEST(async function test_lookup_ipv6_explicit_object(done) {
function validateResult(res) {
assert.ok(isIPv6(res.address));
assert.strictEqual(res.family, 6);
}
validateResult(await dnsPromises.lookup(addresses.INET6_HOST, { family: 6 }));
const req = dns.lookup(addresses.INET6_HOST, {
family: 6
}, common.mustCall((err, ip, family) => {
assert.ifError(err);
validateResult({ address: ip, family });
done();
}));
checkWrap(req);
});
TEST(function test_lookup_ipv6_hint(done) {
const req = dns.lookup(addresses.INET6_HOST, {
family: 6,
hints: dns.V4MAPPED
}, common.mustCall((err, ip, family) => {
if (err) {
// FreeBSD does not support V4MAPPED
if (common.isFreeBSD) {
assert(err instanceof Error);
assert.strictEqual(err.code, 'EAI_BADFLAGS');
assert.strictEqual(err.hostname, addresses.INET_HOST);
assert.ok(/getaddrinfo EAI_BADFLAGS/.test(err.message));
done();
return;
}
assert.ifError(err);
}
assert.ok(isIPv6(ip));
assert.strictEqual(family, 6);
done();
}));
checkWrap(req);
});
TEST(async function test_lookup_ip_ipv6(done) {
function validateResult(res) {
assert.ok(isIPv6(res.address));
assert.strictEqual(res.family, 6);
}
validateResult(await dnsPromises.lookup('::1'));
const req = dns.lookup(
'::1',
common.mustCall((err, ip, family) => {
assert.ifError(err);
validateResult({ address: ip, family });
done();
}));
checkWrap(req);
});
TEST(async function test_lookup_all_ipv6(done) {
function validateResult(res) {
assert.ok(Array.isArray(res));
assert.ok(res.length > 0);
res.forEach((ip) => {
assert.ok(isIPv6(ip.address),
`Invalid IPv6: ${ip.address.toString()}`);
assert.strictEqual(ip.family, 6);
});
}
validateResult(await dnsPromises.lookup(addresses.INET6_HOST, {
all: true,
family: 6
}));
const req = dns.lookup(
addresses.INET6_HOST,
{ all: true, family: 6 },
common.mustCall((err, ips) => {
assert.ifError(err);
validateResult(ips);
done();
})
);
checkWrap(req);
});
TEST(function test_lookupservice_ip_ipv6(done) {
const req = dns.lookupService(
'::1', 80,
common.mustCall((err, host, service) => {
if (err) {
// Not skipping the test, rather checking an alternative result,
// i.e. that ::1 may not be configured (e.g. in /etc/hosts)
assert.strictEqual(err.code, 'ENOTFOUND');
return done();
}
assert.strictEqual(typeof host, 'string');
assert(host);
assert(['http', 'www', '80'].includes(service));
done();
})
);
checkWrap(req);
});
/* Disabled because it appears to be not working on linux. */
/* TEST(function test_lookup_localhost_ipv6(done) {
var req = dns.lookup('localhost', 6, function(err, ip, family) {
assert.ifError(err);
assert.ok(net.isIPv6(ip));
assert.strictEqual(family, 6);
done();
});
checkWrap(req);
}); */