mirror of https://gitee.com/openkylin/nodejs.git
98 lines
3.2 KiB
JavaScript
98 lines
3.2 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const dns = require('dns');
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const dnsPromises = dns.promises;
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(async function() {
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let res;
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res = await dnsPromises.lookup(null);
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assert.strictEqual(res.address, null);
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assert.strictEqual(res.family, 4);
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res = await dnsPromises.lookup('127.0.0.1');
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assert.strictEqual(res.address, '127.0.0.1');
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assert.strictEqual(res.family, 4);
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res = await dnsPromises.lookup('::1');
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assert.strictEqual(res.address, '::1');
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assert.strictEqual(res.family, 6);
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})();
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// Try resolution without hostname.
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dns.lookup(null, common.mustCall((error, result, addressType) => {
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assert.ifError(error);
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assert.strictEqual(result, null);
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assert.strictEqual(addressType, 4);
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}));
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dns.lookup('127.0.0.1', common.mustCall((error, result, addressType) => {
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assert.ifError(error);
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assert.strictEqual(result, '127.0.0.1');
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assert.strictEqual(addressType, 4);
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}));
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dns.lookup('::1', common.mustCall((error, result, addressType) => {
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assert.ifError(error);
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assert.strictEqual(result, '::1');
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assert.strictEqual(addressType, 6);
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}));
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[
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// Try calling resolve with an unsupported type.
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'HI',
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// Try calling resolve with an unsupported type that's an object key
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'toString'
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].forEach((val) => {
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const err = {
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code: 'ERR_INVALID_OPT_VALUE',
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name: 'TypeError',
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message: `The value "${val}" is invalid for option "rrtype"`
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};
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assert.throws(
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() => dns.resolve('www.google.com', val),
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err
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);
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assert.throws(() => dnsPromises.resolve('www.google.com', val), err);
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});
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// Windows doesn't usually have an entry for localhost 127.0.0.1 in
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// C:\Windows\System32\drivers\etc\hosts
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// so we disable this test on Windows.
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// IBMi reports `ENOTFOUND` when get hostname by address 127.0.0.1
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if (!common.isWindows && !common.isIBMi) {
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dns.reverse('127.0.0.1', common.mustCall(function(error, domains) {
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assert.ifError(error);
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assert.ok(Array.isArray(domains));
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}));
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(async function() {
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assert.ok(Array.isArray(await dnsPromises.reverse('127.0.0.1')));
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})();
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}
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