CoapClient (unit tests)

- Added a test for the message IDs

source/doap/client/client.d

@@ -317,6 +317,48 @@ version(unittest)
     import std.stdio : writeln;
 }
 
+/**
+ * Client testing
+ *
+ * Tests the rolling of the message id
+ */
+unittest
+{
+    CoapClient client = new CoapClient("coap.me", 5683);
+
+    
+    CoapRequestFuture future = client.newRequestBuilder()
+                              .payload(cast(ubyte[])"First message")
+                              .token([69])
+                              .post();
+
+
+    writeln("Future start (first)");
+    CoapPacket response = future.get();
+    writeln("Future done (first)");
+    writeln("Got response (first): ", response);
+    assert(response.getMessageId() == 0);
+
+    future = client.newRequestBuilder()
+                              .payload(cast(ubyte[])"Second message")
+                              .token([69])
+                              .post();
+
+
+    writeln("Future start (second)");
+    response = future.get();
+    writeln("Future done (second)");
+    writeln("Got response (second): ", response);
+    assert(response.getMessageId() == 1);
+
+
+
+
+    client.close();
+}
+
+
+
 /**
  * Client testing
  *