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// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 16.13.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
// Flags: --expose-internals'use strict';
// TODO: enable remaining tests once functionality is implemented.
const common = require('../common');const assert = require('assert');// const { internalBinding } = require('internal/test/binding');// const cares = internalBinding('cares_wrap');
// Stub `getaddrinfo` to *always* error. This has to be done before we load the// `dns` module to guarantee that the `dns` module uses the stub.// cares.getaddrinfo = () => internalBinding('uv').UV_ENOMEM;
const dns = require('dns');const dnsPromises = dns.promises;
{ const err = { code: "ERR_INVALID_ARG_TYPE", name: "TypeError", message: /^The "hostname" argument must be of type string\. Received type number/, };
assert.throws(() => dns.lookup(1, {}), err); assert.throws(() => dnsPromises.lookup(1, {}), err);}
// This also verifies different expectWarning notations.// common.expectWarning({// // For 'internal/test/binding' module.// 'internal/test/binding': [// 'These APIs are for internal testing only. Do not use them.',// ],// // For calling `dns.lookup` with falsy `hostname`.// 'DeprecationWarning': {// DEP0118: 'The provided hostname "false" is not a valid ' +// 'hostname, and is supported in the dns module solely for compatibility.'// }// });
assert.throws( () => { dns.lookup(false, "cb"); }, { code: "ERR_INVALID_ARG_TYPE", name: "TypeError", });
assert.throws( () => { dns.lookup(false, "options", "cb"); }, { code: "ERR_INVALID_ARG_TYPE", name: "TypeError", });
{ const err = { code: 'ERR_INVALID_ARG_VALUE', name: 'TypeError', message: "The argument 'hints' is invalid. Received 100" }; const options = { hints: 100, family: 0, all: false };
assert.throws(() => { dnsPromises.lookup(false, options); }, err); assert.throws(() => { dns.lookup(false, options, common.mustNotCall()); }, err);}
{ const family = 20; const err = { code: "ERR_INVALID_ARG_VALUE", name: "TypeError", message: `The property 'options.family' must be one of: 0, 4, 6. Received ${family}`, }; const options = { hints: 0, family, all: false };
assert.throws(() => { dnsPromises.lookup(false, options); }, err); assert.throws(() => { dns.lookup(false, options, common.mustNotCall()); }, err);}
(async function() { let res;
res = await dnsPromises.lookup(false, { hints: 0, family: 0, all: true }); assert.deepStrictEqual(res, []);
res = await dnsPromises.lookup('127.0.0.1', { hints: 0, family: 4, all: true }); assert.deepStrictEqual(res, [{ address: '127.0.0.1', family: 4 }]);
res = await dnsPromises.lookup('127.0.0.1', { hints: 0, family: 4, all: false }); assert.deepStrictEqual(res, { address: '127.0.0.1', family: 4 });})().then(common.mustCall());
dns.lookup(false, { hints: 0, family: 0, all: true}, common.mustSucceed((result, addressType) => { assert.deepStrictEqual(result, []); assert.strictEqual(addressType, undefined);}));
dns.lookup('127.0.0.1', { hints: 0, family: 4, all: true}, common.mustSucceed((result, addressType) => { assert.deepStrictEqual(result, [{ address: '127.0.0.1', family: 4 }]); assert.strictEqual(addressType, undefined);}));
dns.lookup('127.0.0.1', { hints: 0, family: 4, all: false}, common.mustSucceed((result, addressType) => { assert.deepStrictEqual(result, '127.0.0.1'); assert.strictEqual(addressType, 4);}));
// let tickValue = 0;
// Should fail due to stub.// dns.lookup('example.com', common.mustCall((error, result, addressType) => {// assert(error);// assert.strictEqual(tickValue, 1);// assert.strictEqual(error.code, 'ENOMEM');// const descriptor = Object.getOwnPropertyDescriptor(error, 'message');// // The error message should be non-enumerable.// assert.strictEqual(descriptor.enumerable, false);// }));
// Make sure that the error callback is called on next tick.// tickValue = 1;
// Should fail due to stub.// assert.rejects(dnsPromises.lookup('example.com'),// { code: 'ENOMEM', hostname: 'example.com' });