from test.helpers.syscmd import SysCommand
import unittest
import uuid
import serial
import time

class Qduplex(unittest.TestCase):

    def __init__(self, testname, testfunc, port1, port2, baudrate):
        super(Qduplex, self).__init__(testfunc)
        self.__port1 = port1
        self.__serial1 = serial.Serial(self.__port1, timeout=1)
        self.__serial1.baudrate = baudrate

        self.__port2 = port2
        self.__serial2 = serial.Serial(self.__port2, timeout=1)
        self.__serial2.baudrate = baudrate
        self._testMethodDoc = testname

    def __del__(self):
        self.__serial1.close()
        self.__serial2.close()

    def execute(self):
        self.__serial1.flushInput()
        self.__serial1.flushOutput()
        self.__serial2.flushInput()
        self.__serial2.flushOutput()
        test_uuid = str(uuid.uuid4()).encode()
        self.__serial1.write(test_uuid)
        time.sleep(0.05)  # there might be a small delay
        if self.__serial2.inWaiting() == 0:
            self.fail("failed: PORT {} wait timeout exceded, wrong communication?".format(self.__port2))
        else:
            if (self.__serial2.readline() != test_uuid):
                self.fail("failed: PORT {} write/read mismatch".format(self.__port2))

        test_uuid = str(uuid.uuid4()).encode()
        self.__serial2.write(test_uuid)
        time.sleep(0.05)  # there might be a small delay
        if self.__serial1.inWaiting() == 0:
            self.fail("failed: PORT {} wait timeout exceded, wrong communication?".format(self.__port1))
        else:
            if (self.__serial1.readline() != test_uuid):
                self.fail("failed: PORT {} write/read mismatch".format(self.__port1))