def test_finish_reading(self): packet = packets.AcknowledgementPacket(3) conversation = TFTPConversation(self.client_host, self.client_port, StubResponseRouterTwo()) conversation.filename = "example_filename" conversation.state = tftp_conversation.READING conversation.current_block_num = 3 conversation.read_buffer = StubReadBufferTwo() response_packet = conversation.handle_packet(packet) self.assertEqual(conversation.state, tftp_conversation.COMPLETED) self.assertEqual(response_packet.__class__, packets.NoOpPacket) self.assertEqual(conversation.cached_packet, response_packet)
def test_illegal_packet_type_during_writing_state(self): packet = packets.AcknowledgementPacket(2) conversation = TFTPConversation(self.client_host, self.client_port, StubResponseRouterTwo()) conversation.cached_packet = "stub packet" conversation.state = tftp_conversation.WRITING conversation.read_buffer = StubReadBufferTwo() response_packet = conversation.handle_packet(packet) self.assertEqual(conversation.state, tftp_conversation.WRITING) self.assertEqual(response_packet.__class__, packets.ErrorPacket) self.assertEqual(response_packet.error_code, 0) self.assertEqual(conversation.cached_packet, "stub packet")
def test_continue_reading(self): packet = packets.AcknowledgementPacket(1) conversation = TFTPConversation(self.client_host, self.client_port, StubResponseRouterTwo()) conversation.state = tftp_conversation.READING conversation.read_buffer = StubReadBufferTwo() conversation.current_block_num = 1 response_packet = conversation.handle_packet(packet) self.assertEqual(conversation.state, tftp_conversation.READING) self.assertEqual(conversation.current_block_num, 2) self.assertEqual(response_packet.data, "X" * 512) self.assertEqual(response_packet.__class__, packets.DataPacket) self.assertEqual(conversation.cached_packet, response_packet)