public void TestSynchronousCall()
{
_notifications = 0;
Uri uri = new Uri("coap://localhost:" + _serverPort + "/" + TARGET);
CoapClient client = new CoapClient(uri);
// Check that we get the right content when calling get()
String resp1 = client.Get().ResponseText;
Assert.AreEqual(CONTENT_1, resp1);
String resp2 = client.Get().ResponseText;
Assert.AreEqual(CONTENT_1, resp2);
// Change the content to "two" and check
String resp3 = client.Post(CONTENT_2).ResponseText;
Assert.AreEqual(CONTENT_1, resp3);
String resp4 = client.Get().ResponseText;
Assert.AreEqual(CONTENT_2, resp4);
// Observe the resource
_expected = CONTENT_2;
CoapObserveRelation obs1 = client.Observe(response =>
{
Interlocked.Increment(ref _notifications);
String payload = response.ResponseText;
Assert.AreEqual(_expected, payload);
Assert.IsTrue(response.HasOption(OptionType.Observe));
}, Fail);
Assert.IsFalse(obs1.Canceled);
Thread.Sleep(100);
_resource.Changed();
Thread.Sleep(100);
_resource.Changed();
Thread.Sleep(100);
_resource.Changed();
Thread.Sleep(100);
_expected = CONTENT_3;
String resp5 = client.Post(CONTENT_3).ResponseText;
Assert.AreEqual(CONTENT_2, resp5);
// Try a put and receive a METHOD_NOT_ALLOWED
StatusCode code6 = client.Put(CONTENT_4).StatusCode;
Assert.AreEqual(StatusCode.MethodNotAllowed, code6);
// Cancel observe relation of obs1 and check that it does no longer receive notifications
Thread.Sleep(100);
_expected = null; // The next notification would now cause a failure
obs1.ReactiveCancel();
Thread.Sleep(100);
_resource.Changed();
// Make another post
Thread.Sleep(100);
String resp7 = client.Post(CONTENT_4).ResponseText;
Assert.AreEqual(CONTENT_3, resp7);
// Try to use the builder and add a query
UriBuilder ub = new UriBuilder("coap", "localhost", _serverPort, TARGET);
ub.Query = QUERY_UPPER_CASE;
String resp8 = new CoapClient(ub.Uri).Get().ResponseText;
Assert.AreEqual(CONTENT_4.ToUpper(), resp8);
// Check that we indeed received 5 notifications
// 1 from origin GET request, 3 x from changed(), 1 from post()
Thread.Sleep(100);
Assert.AreEqual(5, _notifications);
Assert.IsFalse(_failed);
}
public void TestSynchronousCall()
{
int notifications = 0;
AutoResetEvent syncEvent = new AutoResetEvent(false);
Uri uri = new Uri("coap://localhost:" + _serverPort + "/" + TARGET);
CoapClient client = new CoapClient(uri);
// Check that we get the right content when calling get()
string resp1 = client.Get().ResponseText;
Assert.AreEqual(CONTENT_1, resp1);
string resp2 = client.Get().ResponseText;
Assert.AreEqual(CONTENT_1, resp2);
// Change the content to "two" and check
string resp3 = client.Post(CONTENT_2).ResponseText;
Assert.AreEqual(CONTENT_1, resp3);
string resp4 = client.Get().ResponseText;
Assert.AreEqual(CONTENT_2, resp4);
Thread.Sleep(100);
// Observe the resource
_expected = CONTENT_2;
object blockLock = new object();
AutoResetEvent trigger = new AutoResetEvent(false);
Response lastResponse = null;
CoapObserveRelation obs1 = client.Observe(response => {
lastResponse = response;
trigger.Set();
}, Fail);
Assert.IsFalse(obs1.Canceled);
Assert.IsTrue(trigger.WaitOne(100));
Assert.AreEqual(_expected, lastResponse.ResponseText);
Assert.IsTrue(lastResponse.HasOption(OptionType.Observe));
for (int i = 0; i < 5; i++)
{
_resource.Changed();
Assert.IsTrue(trigger.WaitOne(100));
Assert.AreEqual(_expected, lastResponse.ResponseText);
Assert.IsTrue(lastResponse.HasOption(OptionType.Observe));
}
_expected = CONTENT_3;
string resp5 = client.Post(CONTENT_3).ResponseText;
Assert.AreEqual(CONTENT_2, resp5);
Assert.IsTrue(trigger.WaitOne(100));
Assert.AreEqual(_expected, lastResponse.ResponseText);
Assert.IsTrue(lastResponse.HasOption(OptionType.Observe));
// Try a put and receive a METHOD_NOT_ALLOWED
StatusCode code6 = client.Put(CONTENT_4).StatusCode;
Assert.AreEqual(StatusCode.MethodNotAllowed, code6);
Assert.IsFalse(trigger.WaitOne(100));
// Cancel observe relation of obs1 and check that it does no longer receive notifications
obs1.ReactiveCancel();
Thread.Sleep(100);
_resource.Changed();
Assert.IsFalse(trigger.WaitOne(100));
// Make another post
Thread.Sleep(100);
string resp7 = client.Post(CONTENT_4).ResponseText;
Assert.AreEqual(CONTENT_3, resp7);
// Try to use the builder and add a query
UriBuilder ub = new UriBuilder("coap", "localhost", _serverPort, TARGET);
ub.Query = QUERY_UPPER_CASE;
string resp8 = new CoapClient(ub.Uri).Get().ResponseText;
Assert.AreEqual(CONTENT_4.ToUpper(), resp8);
// Check that we indeed received 5 notifications
// 1 from origin GET request, 3 x from changed(), 1 from post()
Thread.Sleep(100);
Assert.IsFalse(_failed);
}