public void TestFetchResponse()
        {
            var twilioRestClient = Substitute.For <ITwilioRestClient>();

            twilioRestClient.AccountSid.Returns("ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
            twilioRestClient.Request(Arg.Any <Request>())
            .Returns(new Response(
                         System.Net.HttpStatusCode.OK,
                         "{\"weight\": 1,\"date_updated\": \"2018-05-07T20:20:46Z\",\"enabled\": false,\"friendly_name\": \"friendly_name\",\"account_sid\": \"ACaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"priority\": 1,\"sip_url\": \"sip://sip-box.com:1234\",\"sid\": \"OUaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"date_created\": \"2018-05-07T20:20:46Z\",\"trunk_sid\": \"TRaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"url\": \"https://trunking.twilio.com/v1/Trunks/TRaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/OriginationUrls/OUaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"}"
                         ));

            var response = OriginationUrlResource.Fetch("TRXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", "OUXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", client: twilioRestClient);

            Assert.NotNull(response);
        }
    static void Main(string[] args)
    {
        // Find your Account Sid and Token at twilio.com/console
        const string accountSid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
        const string authToken  = "your_auth_token";

        TwilioClient.Init(accountSid, authToken);

        var originationUrl = OriginationUrlResource.Fetch(
            pathTrunkSid: "TRXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
            pathSid: "OUXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
            );

        Console.WriteLine(originationUrl.FriendlyName);
    }
        public void TestFetchRequest()
        {
            var twilioRestClient = Substitute.For <ITwilioRestClient>();
            var request          = new Request(
                HttpMethod.Get,
                Twilio.Rest.Domain.Trunking,
                "/v1/Trunks/TRXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/OriginationUrls/OUXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
                ""
                );

            twilioRestClient.Request(request).Throws(new ApiException("Server Error, no content"));

            try
            {
                OriginationUrlResource.Fetch("TRXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", "OUXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", client: twilioRestClient);
                Assert.Fail("Expected TwilioException to be thrown for 500");
            }
            catch (ApiException) {}
            twilioRestClient.Received().Request(request);
        }