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path: root/test-cli/test/tests/qeeprom.py
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import sh
import unittest


class Qeeprom(unittest.TestCase):
    params = None
    __position = None
    __eeprompath = None

    # varlist: position,  eeprompath
    def __init__(self, testname, testfunc, varlist):
        self.params = varlist
        super(Qeeprom, self).__init__(testfunc)
        self._testMethodDoc = testname
        if "position" in varlist:
            self.__position = varlist["position"]
        else:
            raise Exception('position param inside Qeeprom must be defined')
        if "eeprompath" in varlist:
            self.__eeprompath = varlist["eeprompath"]
        else:
            raise Exception('eeprompath param inside Qeeprom must be defined')

    def execute(self):
        # generate some data
        data_tx = "isee_test"
        # write data into the eeprom
        p = sh.dd(sh.echo(data_tx), "of=" + self.__eeprompath, "bs=1", "seek=" + self.__position)
        if p.exit_code == 0:
            # read data from the eeprom
            p = sh.dd("if=" + self.__eeprompath, "bs=1", "skip=" + self.__position, "count=" + str(len(data_tx)))
            if p.exit_code == 0:
                data_rx = p.stdout.decode('ascii')
                # compare both values
                if data_rx != data_tx:
                    self.fail("failed: mismatch between written and received values.")

            else:
                self.fail("failed: Unable to read from the EEPROM device.")
        else:
            self.fail("failed: Unable to write on the EEPROM device.")