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9cb390d899
PR-URL: https://github.com/nodejs/node/pull/14212 Refs: https://github.com/nodejs/node/issues/11273 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Khaidi Chu <i@2333.moe> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
108 lines
2.4 KiB
JavaScript
108 lines
2.4 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const cares = process.binding('cares_wrap');
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const dns = require('dns');
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// Stub `getaddrinfo` to *always* error.
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cares.getaddrinfo = () => process.binding('uv').UV_ENOENT;
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assert.throws(() => {
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dns.lookup(1, {});
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}, common.expectsError({
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code: 'ERR_INVALID_ARG_TYPE',
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type: TypeError,
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message: /^The "hostname" argument must be one of type string or falsey/
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}));
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assert.throws(() => {
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dns.lookup(false, 'cb');
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}, common.expectsError({
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code: 'ERR_INVALID_CALLBACK',
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type: TypeError
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}));
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assert.throws(() => {
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dns.lookup(false, 'options', 'cb');
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}, common.expectsError({
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code: 'ERR_INVALID_CALLBACK',
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type: TypeError
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}));
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assert.throws(() => {
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dns.lookup(false, {
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hints: 100,
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family: 0,
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all: false
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}, common.mustNotCall());
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}, common.expectsError({
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code: 'ERR_INVALID_OPT_VALUE',
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type: TypeError,
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message: 'The value "100" is invalid for option "hints"'
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}));
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assert.throws(() => {
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dns.lookup(false, {
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hints: 0,
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family: 20,
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all: false
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}, common.mustNotCall());
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}, common.expectsError({
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code: 'ERR_INVALID_OPT_VALUE',
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type: TypeError,
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message: 'The value "20" is invalid for option "family"'
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}));
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assert.doesNotThrow(() => {
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dns.lookup(false, {
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hints: 0,
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family: 0,
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all: true
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}, common.mustCall((error, result, addressType) => {
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assert.ifError(error);
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assert.deepStrictEqual(result, []);
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assert.strictEqual(addressType, undefined);
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}));
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});
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assert.doesNotThrow(() => {
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dns.lookup('127.0.0.1', {
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hints: 0,
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family: 4,
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all: true
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}, common.mustCall((error, result, addressType) => {
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assert.ifError(error);
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assert.deepStrictEqual(result, [{
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address: '127.0.0.1',
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family: 4
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}]);
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assert.strictEqual(addressType, undefined);
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}));
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});
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assert.doesNotThrow(() => {
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dns.lookup('127.0.0.1', {
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hints: 0,
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family: 4,
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all: false
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}, common.mustCall((error, result, addressType) => {
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assert.ifError(error);
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assert.deepStrictEqual(result, '127.0.0.1');
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assert.strictEqual(addressType, 4);
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}));
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});
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assert.doesNotThrow(() => {
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let tickValue = 0;
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dns.lookup('example.com', common.mustCall((error, result, addressType) => {
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assert(error);
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assert.strictEqual(tickValue, 1);
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assert.strictEqual(error.code, 'ENOENT');
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}));
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// Make sure that the error callback is called
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// on next tick.
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tickValue = 1;
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});
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