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"""
Simple Test Runner for unittest module

"""

import sys
import unittest


class SimpleTestRunner:
    """ A Test Runner that shows results in a simple human-readable format.  

    As example, a common output is:
        This is a test short description : PASS
        This is another test short description : FAIL
        ---------------------------------------------

    """
    __pgObj = None

    def __init__(self, pgObj, stream=sys.stderr, verbosity=0):
        self.stream = stream
        self.verbosity = verbosity
        self.__pgObj = pgObj

    def writeUpdate(self, message):
        self.stream.write(message)

    def run(self, test):
        """ Run the given test case or Test Suite. """
        result = TextTestResult(self, self.__pgObj)
        test(result)
        return result


class TextTestResult(unittest.TestResult):
    # Print in terminal with colors
    PASS = '\033[32mPASS\033[0m\n'
    FAIL = '\033[31mFAIL\033[0m\n'
    ERROR = '\033[31mERROR\033[0m\n'

    __pgObj = None

    def __init__(self, runner, pgObj):
        unittest.TestResult.__init__(self)
        self.runner = runner
        self.result = self.ERROR
        self.__pgObj = pgObj

    def startTest(self, test):
        unittest.TestResult.startTest(self, test)
        self.runner.writeUpdate("%s : " % test.shortDescription())
        # SEND TO DB THE UPDATE THAT WE RUN EACH TEST
        self.__pgObj.run_test(test.params["testidctl"], test.params["testid"])

    def addSuccess(self, test):
        unittest.TestResult.addSuccess(self, test)
        self.result = self.PASS

    def addError(self, test, err):
        unittest.TestResult.addError(self, test, err)
        test.longMessage = err[1]
        self.result = self.ERROR

    def addFailure(self, test, err):
        unittest.TestResult.addFailure(self, test, err)
        test.longMessage = err[1]
        self.result = self.FAIL

    def stopTest(self, test):
        unittest.TestResult.stopTest(self, test)
        # display: print test result
        self.runner.writeUpdate(self.result)
        # SEND TO DB THE RESULT OF THE TEST
        if self.result == self.PASS:
            status = "TEST_COMPLETE"
        else:
            status = "TEST_FAILED"
        self.__pgObj.finish_test(test.params["testidctl"], test.params["testid"], status)