the context of the role context was not initialized. This should dele…

…gate to the _agent_context

A setter is generally not needed for this, except for the initialization where it is set to None

mango/agent/role.py

@@ -265,6 +265,14 @@ def data(self):
         :rtype: DataContainer
         """
         return self._get_container()
+
+    @property
+    def context(self) -> float:
+        return self._agent_context
+
+    @context.setter
+    def context(self, value: bool):
+        pass
 
     @property
     def current_timestamp(self) -> float:

tests/unit_tests/express/test_api.py

@@ -41,12 +41,23 @@ async def test_activate_pingpong():
         await c.send_message(
             "Ping", ping_pong_agent.addr, sender_id=ping_pong_agent_two.aid
         )
+        assert ping_pong_agent.roles[0].context.addr is not None
         while ping_pong_agent.roles[0].counter < 5:
             await asyncio.sleep(0.01)
 
     assert ping_pong_agent.roles[0].counter == 5
 
 
+@pytest.mark.asyncio
+async def test_activate_rolecontext():
+    container = create_tcp_container("127.0.0.1:5555")
+    ping_pong_agent = agent_composed_of(PingPongRole(), register_in=container)
+
+    async with activate(container) as c:
+        assert ping_pong_agent.roles[0].context.addr is not None
+        assert ping_pong_agent.roles[0].context.context is not None
+
+
 class MyAgent(Agent):
     test_counter: int = 0