예제 #1
0
    def test_algorithm_with_tuple(self):
        test_logger.debug("VarianceTest - test_algorithm_with_tuple Starts")
        variance = Variance()
        data_list = [("a", 1), ("b", 2), ("c", 3), ( "d", 4), ("e", 5)]
        self.assertEquals(2.5, variance.calculate(data_list, is_tuple=True, index=1))

        data_list = [("a", "a", 1), ("b", "b", 2), ("c", "c", 3), ("d", "d", 4), ("e", "e", 5)]
        self.assertEquals(2.5, variance.calculate(data_list, is_tuple=True, index=2))

        data_list = [("a", "a", 1), ("b", "b", 2), ("c", "c", 3), ("d", "d", 4)]
        self.assertEquals(1.6667, variance.calculate(data_list, is_tuple=True, index=2))
        test_logger.debug("VarianceTest - test_algorithm_with_tuple Ends")
예제 #2
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 def test_algorithm_with_list(self):
     test_logger.debug("VarianceTest - test_algorithm_with_list Starts")
     variance = Variance()
     data_list = [1, 2, 3, 4, 5]
     self.assertEquals(2.5, variance.calculate(data_list))
     data_list = [1, 2, 3, 4]
     self.assertEquals(1.6667, variance.calculate(data_list))
     data_list = []
     with self.assertRaises(ZeroDivisionError) as context:
         variance.calculate(data_list)
     self.assertEqual("integer division or modulo by zero",
                      context.exception.message)
     test_logger.debug("VarianceTest - test_algorithm_with_list Ends")
예제 #3
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 def __algorithm(self):
     variance = Variance()
     return round(math.pow(variance.calculate(self._data), 0.5), 4)