Improve ARQ tests and log messages

modem/arq_session.py

@@ -32,6 +32,7 @@ class ARQSession():
         return self.MODE_BY_SPEED[speed_level]
 
     def transmit_frame(self, frame: bytearray):
+        self.logger.info("Transmitting frame")
         modem_queue_item = {
             'mode': self.get_mode_by_speed_level(self.speed_level),
             'repeat': 1,

modem/arq_session_iss.py

@@ -34,11 +34,8 @@ class ARQSessionISS(arq_session.ARQSession):
     def generate_id(self):
         return random.randint(1,255)
 
-    def log(self, message):
-        pass
-
     def set_state(self, state):
-        self.log(f"ARQ Session {self.id} state {self.state}")
+        self.logger.info(f"ARQ Session {self.id} state {self.state}")
         self.state = state
 
     def runner(self):
@@ -59,6 +56,7 @@ class ARQSessionISS(arq_session.ARQSession):
         retries = self.RETRIES_CONNECT
         while retries > 0:
             self.transmit_frame(connect_frame)
+            self.logger.info("Waiting for CONN ACK...")
             if self.event_connection_ack_received.wait(self.TIMEOUT_CONNECT_ACK):
                 self.setState(self.STATE_CONNECTED)
                 return True

tests/test_arq_session.py

@@ -52,7 +52,8 @@ class TestARQSession(unittest.TestCase):
             frame_bytes = bytes(transmission_item['frame'])
             if random.randint(0, 100) < self.loss_probability:
                 self.logger.info("Frame lost...")
-                next
+                continue
+            self.logger.info("Redirecting frame")
             frame_dispatcher.new_process_data(frame_bytes, None, len(frame_bytes), 0, 0)
 
     def establishChannels(self):