import unittest
from test.helpers.amper import Amper


class Qamper(unittest.TestCase):
    params = None

    # varlist: undercurrent, overcurrent
    def __init__(self, testname, testfunc, varlist):
        self.params = varlist
        super(Qamper, self).__init__(testfunc)

        if "undercurrent" in varlist:
            self._undercurrent = varlist["undercurrent"]
        else:
            raise Exception('undercurrent param inside Qamp must be defined')
        if "overcurrent" in varlist:
            self._overcurrent = varlist["overcurrent"]
        else:
            raise Exception('overcurrent param inside Qamp must be defined')
        self._testMethodDoc = testname

    def execute(self):
        amp = Amper()
        print(amp)
        if not amp.open():
            print("1")
            self.fail("failed: can not open serial port")
            return

        if not amp.hello():
            print("2")
            self.fail("failed: can not communicate")
            return

        result = amp.getCurrent()
        print(result)

        amp.close()






            # # In order to give a valid result it is importarnt to define an under current value
            # if self._current > float(self._overcurrent):
            #     self.fail("failed: OVERCURRENT DETECTED ( {} )".format(self._current))
            #
            # if self._current < float(self._undercurrent):
            #     self.fail("failed: UNDERCURRENT DETECTED ( {} )".format(self._current))