public async Task TestMessagingClientMessageAsync()
{
var client = new MessagingClient(this.customerId,
this.apiKey,
string.Format("http://localhost:{0}", this.mockServer.Port));
await client.MessageAsync("15555555555", "TestMessagingClientMessage", "ARN");
Assert.AreEqual("POST", this.requests.Last().HttpMethod, "method is not as expected");
Assert.AreEqual("/v1/messaging", this.requests.Last().RawUrl, "path is not as expected");
Assert.AreEqual("phone_number=15555555555&message=TestMessagingClientMessage&message_type=ARN", this.requestBodies.Last());
Assert.AreEqual("application/x-www-form-urlencoded", this.requestHeaders.Last()["Content-Type"],
"Content-Type header is not as expected");
Assert.AreEqual("HMAC-SHA256", this.requestHeaders.Last()["x-ts-auth-method"],
"x-ts-auth-method header is not as expected");
Guid dummyGuid;
Assert.IsTrue(Guid.TryParse(this.requestHeaders.Last()["x-ts-nonce"], out dummyGuid),
"x-ts-nonce header is not a valid UUID");
DateTime dummyDateTime;
Assert.IsTrue(DateTime.TryParse(this.requestHeaders.Last()["Date"], out dummyDateTime),
"Date header is not valid rfc2616 format");
Assert.IsNotNull(this.requestHeaders.Last()["Authorization"]);
}