Added test for QoS 0 messages and QoS 1 subscription.

test/server_spec.js

@@ -767,6 +767,35 @@ describe("mosca.Server", function() {
     });
   });
 
+  it("should receive at QoS 0 all messages published at QoS 0 even if subscribed at QoS 1", function(done) {
+    buildAndConnect(done, function(client) {
+
+      client.once("publish", function(packet) {
+        expect(packet.qos).to.be.equal(0);
+        client.disconnect();
+      });
+
+      client.on("suback", function(packet) {
+        client.publish({
+          topic: "hello",
+          qos: 0,
+          messageId: 24
+        });
+      });
+
+      var subscriptions = [{
+          topic: "hello",
+          qos: 1
+        }
+      ];
+
+      client.subscribe({
+        subscriptions: subscriptions,
+        messageId: 42
+      });
+    });
+  });
+
   it("should support will message", function(done) {
 
     async.waterfall([