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f29762f4dd
Enable linting for the test directory. A number of changes was made so all tests conform the current rules used by lib and src directories. The only exception for tests is that unreachable (dead) code is allowed. test-fs-non-number-arguments-throw had to be excluded from the changes because of a weird issue on Windows CI. PR-URL: https://github.com/nodejs/io.js/pull/1721 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
148 lines
3.4 KiB
JavaScript
148 lines
3.4 KiB
JavaScript
'use strict';
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var common = require('../common');
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var assert = require('assert');
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var dns = require('dns');
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var existing = dns.getServers();
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assert(existing.length);
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function noop() {}
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var goog = [
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'8.8.8.8',
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'8.8.4.4',
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];
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assert.doesNotThrow(function() { dns.setServers(goog); });
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assert.deepEqual(dns.getServers(), goog);
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assert.throws(function() { dns.setServers(['foobar']); });
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assert.deepEqual(dns.getServers(), goog);
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var goog6 = [
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'2001:4860:4860::8888',
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'2001:4860:4860::8844',
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];
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assert.doesNotThrow(function() { dns.setServers(goog6); });
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assert.deepEqual(dns.getServers(), goog6);
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goog6.push('4.4.4.4');
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dns.setServers(goog6);
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assert.deepEqual(dns.getServers(), goog6);
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var ports = [
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'4.4.4.4:53',
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'[2001:4860:4860::8888]:53',
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];
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var portsExpected = [
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'4.4.4.4',
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'2001:4860:4860::8888',
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];
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dns.setServers(ports);
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assert.deepEqual(dns.getServers(), portsExpected);
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assert.doesNotThrow(function() { dns.setServers([]); });
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assert.deepEqual(dns.getServers(), []);
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assert.throws(function() {
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dns.resolve('test.com', [], noop);
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}, function(err) {
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return !(err instanceof TypeError);
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}, 'Unexpected error');
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// dns.lookup should accept falsey and string values
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assert.throws(function() {
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dns.lookup({}, noop);
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}, 'invalid arguments: hostname must be a string or falsey');
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assert.throws(function() {
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dns.lookup([], noop);
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}, 'invalid arguments: hostname must be a string or falsey');
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assert.throws(function() {
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dns.lookup(true, noop);
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}, 'invalid arguments: hostname must be a string or falsey');
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assert.throws(function() {
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dns.lookup(1, noop);
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}, 'invalid arguments: hostname must be a string or falsey');
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assert.throws(function() {
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dns.lookup(noop, noop);
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}, 'invalid arguments: hostname must be a string or falsey');
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assert.doesNotThrow(function() {
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dns.lookup('', noop);
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});
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assert.doesNotThrow(function() {
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dns.lookup(null, noop);
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});
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assert.doesNotThrow(function() {
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dns.lookup(undefined, noop);
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});
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assert.doesNotThrow(function() {
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dns.lookup(0, noop);
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});
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assert.doesNotThrow(function() {
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dns.lookup(NaN, noop);
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});
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/*
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* Make sure that dns.lookup throws if hints does not represent a valid flag.
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* (dns.V4MAPPED | dns.ADDRCONFIG) + 1 is invalid because:
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* - it's different from dns.V4MAPPED and dns.ADDRCONFIG.
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* - it's different from them bitwise ored.
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* - it's different from 0.
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* - it's an odd number different than 1, and thus is invalid, because
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* flags are either === 1 or even.
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*/
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assert.throws(function() {
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dns.lookup('www.google.com', { hints: (dns.V4MAPPED | dns.ADDRCONFIG) + 1 },
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noop);
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});
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assert.throws(function() {
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dns.lookup('www.google.com');
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}, 'invalid arguments: callback must be passed');
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assert.throws(function() {
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dns.lookup('www.google.com', 4);
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}, 'invalid arguments: callback must be passed');
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assert.doesNotThrow(function() {
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dns.lookup('www.google.com', 6, noop);
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});
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assert.doesNotThrow(function() {
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dns.lookup('www.google.com', {}, noop);
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});
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assert.doesNotThrow(function() {
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dns.lookup('www.google.com', {
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family: 4,
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hints: 0
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}, noop);
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});
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assert.doesNotThrow(function() {
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dns.lookup('www.google.com', {
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family: 6,
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hints: dns.ADDRCONFIG
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}, noop);
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});
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assert.doesNotThrow(function() {
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dns.lookup('www.google.com', {
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hints: dns.V4MAPPED
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}, noop);
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});
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assert.doesNotThrow(function() {
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dns.lookup('www.google.com', {
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hints: dns.ADDRCONFIG | dns.V4MAPPED
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}, noop);
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});
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