getdns/test/transport-list.js

getdns bindings for Node.js. getdns is a modern asynchronous DNS API. It implements DNS entry points from a design developed and vetted by application developers, in an API specification.

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 * Copyright (c) 2014, 2015, 2016, 2017, 2018, Verisign, Inc.
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 *   names of its contributors may be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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/* global
describe:false,
it:false,
*/

"use strict";

const expect = require("expect.js");
const getdns = require("../");
const shared = require("./shared");

shared.initialize();

describe("Transport list", () => {
    it("Bad extension value dns_transport_list", () => {
        expect(() => {
            getdns.createContext({
                dns_transport_list: { "bad object": "bad object" },
            });
        }).to.throwException((err) => {
            expect(err).to.be.an("object");
            expect(err).to.be.an(TypeError);
            expect(err.code).to.be.an("number");
            expect(err.code).to.be(getdns.RETURN_INVALID_PARAMETER);
            expect(err.message).to.be.an("string");
            expect(err.message).to.be("dns_transport_list");
        });
    });

    it("UDP", function(done) {
        const ctx = getdns.createContext({
            dns_transport_list: [
                getdns.TRANSPORT_UDP,
            ],
        });

        ctx.general("getdnsapi.net", getdns.RRTYPE_A, (err, result) => {
            expect(err).to.be(null);
            expect(result.replies_tree).to.be.an(Array);
            expect(result.replies_tree).to.not.be.empty();
            shared.destroyContext(ctx, done);
        });
    });

    it("TCP", function(done) {
        const ctx = getdns.createContext({
            dns_transport_list: [
                getdns.TRANSPORT_TCP,
            ],
        });

        ctx.general("getdnsapi.net", getdns.RRTYPE_A, (err, result) => {
            expect(err).to.be(null);
            expect(result.replies_tree).to.be.an(Array);
            expect(result.replies_tree).to.not.be.empty();
            shared.destroyContext(ctx, done);
        });
    });

    it("TLS", function(done) {
        const ctx = getdns.createContext({
            resolution_type: getdns.RESOLUTION_STUB,
            upstream_recursive_servers: [
                [
                    "185.49.141.38",
                    853,
                    "getdnsapi.net",
                ],
            ],
            dns_transport_list: [
                getdns.TRANSPORT_TLS,
            ],
        });

        ctx.general("getdnsapi.net", getdns.RRTYPE_A, (err, result) => {
            expect(err).to.be(null);
            expect(result.replies_tree).to.be.an(Array);
            expect(result.replies_tree).to.not.be.empty();
            shared.destroyContext(ctx, done);
        });
    });

    it("TLS in resolve mode should fail", function(done) {
        const ctx = getdns.createContext({
            dns_transport_list: [
                getdns.TRANSPORT_TLS,
            ],
        });

        ctx.general("getdnsapi.net", getdns.RRTYPE_A, (err, result) => {
            expect(err).to.be.an("object");
            expect(result).to.be(undefined);
            expect(err).to.have.property("msg");
            expect(err).to.have.property("code");
            expect(err.code).to.be(getdns.RETURN_BAD_CONTEXT);
            shared.destroyContext(ctx, done);
        });
    });

    it("TLS in resolve mode should with UDP fallback should work", function(done) {
        const ctx = getdns.createContext({
            dns_transport_list: [
                getdns.TRANSPORT_TLS,
                getdns.TRANSPORT_UDP,
            ],
        });

        ctx.general("getdnsapi.net", getdns.RRTYPE_A, (err, result) => {
            expect(err).to.be(null);
            expect(result.replies_tree).to.be.an(Array);
            expect(result.replies_tree).to.not.be.empty();
            shared.destroyContext(ctx, done);
        });
    });
});