TestRefer.cs

using System;
using System.IO;
using System.Xml.Serialization;
using Bandwidth.Standard.Model.Bxml;
using Bandwidth.Standard.Model.Bxml.Verbs;
using Xunit;

namespace Bandwidth.Standard.Test.Unit.Model.Bxml
{
    public class TestRefer
    {
        [Fact]
        public void ReferRoundTripTest()
        {
            var expected = "<?xml version=\"1.0\" encoding=\"utf-8\"?><Response>  <Refer referCompleteUrl=\"https://example.com/handleRefer\" referCompleteMethod=\"POST\" tag=\"refer-tag\">    <SipUri>sip:alice@atlanta.example.com</SipUri>  </Refer></Response>";

            var refer = new Refer()
                .WithSipUri("sip:alice@atlanta.example.com")
                .WithReferCompleteUrl("https://example.com/handleRefer")
                .WithReferCompleteMethod("POST")
                .WithTag("refer-tag");

            var actual = new Response(refer).ToBXML();
            Assert.Equal(expected, actual.Replace("\n", "").Replace("\r", ""));

            const string referOnlyXml = "<Refer referCompleteUrl=\"https://example.com/handleRefer\" referCompleteMethod=\"POST\" tag=\"refer-tag\"><SipUri>sip:alice@atlanta.example.com</SipUri></Refer>";
            var serializer = new XmlSerializer(typeof(Refer), "");
            Refer deserializedRefer;
            using (var reader = new StringReader(referOnlyXml))
            {
                deserializedRefer = (Refer)serializer.Deserialize(reader);
            }

            Assert.Equal("sip:alice@atlanta.example.com", deserializedRefer.SipUriElement.Uri);
            var roundTrip = new Response(deserializedRefer).ToBXML();
            Assert.Equal(expected, roundTrip.Replace("\n", "").Replace("\r", ""));
        }

        [Fact]
        public void ReferSipUriMustStartWithSipScheme()
        {
            var refer = new Refer();
            Assert.Throws<ArgumentException>(() => refer.WithSipUri("tel:+15551234567"));
        }

        [Fact]
        public void ReferInvalidMethodThrows()
        {
            var refer = new Refer();
            Assert.Throws<ArgumentException>(() => refer.WithReferCompleteMethod("DELETE"));
        }

        [Fact]
        public void ReferWithSipUriObjectOverload()
        {
            var sipUri = new Refer.SipUri { Uri = "sip:alice@atlanta.example.com" };
            var refer = new Refer().WithSipUri(sipUri);
            Assert.Equal("sip:alice@atlanta.example.com", refer.SipUriElement.Uri);
        }

        [Fact]
        public void ReferMinimalOnlySipUri()
        {
            var refer = new Refer().WithSipUri("sip:bob@biloxi.example.com");
            var bxml = new Response(refer).ToBXML();
            Assert.Contains("sip:bob@biloxi.example.com", bxml);
            Assert.Contains("referCompleteMethod=\"POST\"", bxml);
        }
    }
}