async def test_on_receive_handles_gapfill( self, pipeline_with_messages, user_notification_message ): seq_num_app = SeqNumManagerApp(pipeline_with_messages) seq_num_app.startup_time = datetime.utcnow() - timedelta( seconds=10 ) # Don't wait for resend requests seq_num_app.receive_seq_num = 5 # 5 Messages received so far user_notification_message.seq_num = 8 # Simulate missing messages 6 and 7 try: await seq_num_app.on_receive(user_notification_message) assert pipeline_with_messages.send.call_count == 1 # Resend request sent except StopMessageProcessing: # Expected pass # Simulate resend of 6 and 7 for seq_num in [6, 7]: message = user_notification_message.copy() message.seq_num = seq_num message.PossDupFlag = True await seq_num_app.on_receive(message) # Wait for separate 'send' tasks to complete tasks = asyncio.all_tasks() await asyncio.wait(tasks, timeout=0.1) assert ( pipeline_with_messages.receive.call_count == 1 ) # One queued message (with sequence number 8) processed
async def test_send_resend_request_waits_for_target_before_doing_gapfill( self, pipeline_with_messages): seq_num_app = SeqNumManagerApp(pipeline_with_messages) seq_num_app.startup_time = datetime.utcnow() - timedelta( seconds=5) # Don't wait assert not seq_num_app.waited_for_resend_request_event.is_set() await seq_num_app._send_resend_request([1, 2]) assert seq_num_app.waited_for_resend_request_event.is_set()
async def test_send_resend_request_sends_resend_request( self, pipeline_with_messages): seq_num_app = SeqNumManagerApp(pipeline_with_messages) seq_num_app.startup_time = datetime.utcnow() - timedelta( seconds=5) # Don't wait await seq_num_app._send_resend_request([1, 2]) # Wait for separate 'send' tasks to complete tasks = asyncio.all_tasks() await asyncio.wait(tasks, timeout=0.1) assert pipeline_with_messages.send.call_count == 1
async def test_handle_seq_num_too_high_starts_buffer_and_sends_resend_request( self, pipeline_with_messages, email_message): with pytest.raises(StopMessageProcessing): seq_num_app = SeqNumManagerApp(pipeline_with_messages) seq_num_app.startup_time = datetime.utcnow() - timedelta( seconds=5) # Don't wait email_message.MsgSeqNum = 99 await seq_num_app._handle_sequence_number_too_high(email_message) # Wait for separate 'send' tasks to complete tasks = asyncio.all_tasks() await asyncio.wait(tasks, timeout=0.1) assert len(seq_num_app.receive_buffer) == 1 assert seq_num_app.receive_buffer[0] == email_message assert pipeline_with_messages.send.call_count == 1
async def test_handle_seq_num_too_high_buffers_messages_received_out_of_order( self, pipeline_with_messages, user_notification_message): seq_num_app = SeqNumManagerApp(pipeline_with_messages) seq_num_app.startup_time = datetime.utcnow() - timedelta( seconds=5) # Don't wait for idx in range(5): out_of_sequence_msg = user_notification_message.copy() out_of_sequence_msg.MsgSeqNum = 5 + idx try: await seq_num_app._handle_sequence_number_too_high( out_of_sequence_msg) except StopMessageProcessing: # Expected pass # Wait for separate 'send' tasks to complete tasks = asyncio.all_tasks() await asyncio.wait(tasks, timeout=0.1) assert len(seq_num_app.receive_buffer) == 5 assert pipeline_with_messages.send.call_count == 1