Ejemplo n.º 1
0
    def test_copy(self):
        eprint(">> Continuum.copy(self)")

        for i in range(self.__nb_unit_test):

            # Emptyset
            c_ = Continuum()
            c = c_.copy()

            self.assertTrue(c.is_empty())
            self.assertEqual(c.get_min_value(), None)
            self.assertEqual(c.get_max_value(), None)
            self.assertEqual(c.min_included(), None)
            self.assertEqual(c.max_included(), None)

            # Non empty
            min = random.uniform(self.__min_value, self.__max_value)
            max = random.uniform(min, self.__max_value)
            min_included = random.choice([True, False])
            max_included = random.choice([True, False])

            c_ = Continuum(min, max, min_included, max_included)
            c = c_.copy()

            self.assertFalse(c.is_empty())
            self.assertEqual(c.get_min_value(), min)
            self.assertEqual(c.get_max_value(), max)
            self.assertEqual(c.min_included(), min_included)
            self.assertEqual(c.max_included(), max_included)
Ejemplo n.º 2
0
    def test_set_upper_bound(self):
        eprint(">> Continuum.set_upper_bound(self, value, included)")

        for i in range(self.__nb_unit_test):
            # Empty set
            c = Continuum()

            self.assertRaises(TypeError, c.set_upper_bound, "string", True)
            self.assertRaises(TypeError, c.set_upper_bound, "string", False)
            self.assertRaises(TypeError, c.set_upper_bound, 0.5, 10)

            value = random.uniform(self.__min_value, self.__max_value)

            # extend with exclusion gives empty set, mistake expected from user
            # or both min and max will be changed and constructor must be used
            self.assertRaises(ValueError, c.set_upper_bound, value, False)

            c.set_upper_bound(value, True)

            # Empty set to one value interval
            self.assertEqual(c, Continuum(value, value, True, True))

            # Regular continuum

            # over min value
            c = Continuum.random(self.__min_value, self.__max_value)
            value = random.uniform(self.__min_value, c.get_min_value())
            while value == c.get_min_value():
                value = random.uniform(self.__min_value, c.get_min_value())

            self.assertRaises(ValueError, c.set_upper_bound, value, True)
            self.assertRaises(ValueError, c.set_upper_bound, value, False)

            # on min value
            c = Continuum.random(self.__min_value, self.__max_value)
            c_old = c.copy()
            value = c.get_min_value()
            if not c.max_included() or not c.min_included():
                c.set_upper_bound(value, False)
                self.assertEqual(c,
                                 Continuum())  # continuum reduced to empty set
            else:
                c.set_upper_bound(value, True)
                self.assertEqual(c.get_max_value(), value)
                self.assertEqual(c.max_included(), True)
                self.assertEqual(c.get_max_value(), c.get_min_value())

                self.assertEqual(c.get_min_value(), c_old.get_min_value())
                self.assertEqual(c.min_included(), c_old.min_included())

            # other valid value
            c = Continuum.random(self.__min_value, self.__max_value)
            c_old = c.copy()
            value = random.uniform(c.get_min_value(), self.__max_value)
            while value == c.get_min_value():
                value = random.uniform(c.get_min_value(), self.__max_value)

            c.set_upper_bound(value, True)

            self.assertEqual(c.get_max_value(), value)
            self.assertEqual(c.max_included(), True)

            c = Continuum.random(self.__min_value, self.__max_value)
            c_old = c.copy()
            value = random.uniform(c.get_min_value(), self.__max_value)
            while value == c.get_min_value():
                value = random.uniform(c.get_min_value(), self.__max_value)

            c.set_upper_bound(value, False)

            self.assertEqual(c.get_max_value(), value)
            self.assertEqual(c.max_included(), False)
Ejemplo n.º 3
0
    def test__eq__(self):
        eprint(">> Continuum.__eq__(self, continuum)")

        for i in range(self.__nb_unit_test):

            # emptyset
            c = Continuum()

            self.assertTrue(Continuum() == Continuum())
            self.assertTrue(c == Continuum())
            self.assertTrue(c == c)

            self.assertFalse(Continuum() != Continuum())
            self.assertFalse(c != Continuum())
            self.assertFalse(c != c)

            c = Continuum.random(self.__min_value, self.__max_value)

            self.assertTrue(c == c)
            self.assertFalse(c != c)
            self.assertEqual(c == Continuum(), c.is_empty())

            c_ = Continuum.random(self.__min_value, self.__max_value)

            if c.is_empty() and c_.is_empty():
                self.assertTrue(c == c_)
                self.assertTrue(c != c_)

            if c.is_empty() != c_.is_empty():
                self.assertFalse(c == c_)
                self.assertTrue(c != c_)

            if c.get_min_value() != c_.get_min_value():
                self.assertFalse(c == c_)
                self.assertTrue(c != c_)

            if c.get_max_value() != c_.get_max_value():
                self.assertFalse(c == c_)
                self.assertTrue(c != c_)

            if c.min_included() != c_.min_included():
                self.assertFalse(c == c_)
                self.assertTrue(c != c_)

            if c.max_included() != c_.max_included():
                self.assertFalse(c == c_)
                self.assertTrue(c != c_)

            # exaustive modifications
            if not c.is_empty():
                c_ = c.copy()
                value = random.uniform(1, 100)
                c_.set_lower_bound(c.get_min_value() - value, True)
                self.assertFalse(c == c_)
                self.assertTrue(c != c_)
                c_.set_lower_bound(c.get_min_value() - value, False)
                self.assertFalse(c == c_)
                self.assertTrue(c != c_)

                c_ = c.copy()
                c_.set_lower_bound(c.get_min_value(), not c.min_included())
                self.assertFalse(c == c_)
                self.assertTrue(c != c_)

                c_ = c.copy()
                value = random.uniform(1, 100)
                c_.set_upper_bound(c.get_min_value() + value, True)
                self.assertFalse(c == c_)
                self.assertTrue(c != c_)
                c_.set_upper_bound(c.get_min_value() + value, False)
                self.assertFalse(c == c_)
                self.assertTrue(c != c_)

                c_ = c.copy()
                c_.set_upper_bound(c.get_max_value(), not c.max_included())
                self.assertFalse(c == c_)
                self.assertTrue(c != c_)

            # different type
            self.assertFalse(c == "test")
            self.assertFalse(c == 0)
            self.assertFalse(c == True)
            self.assertFalse(c == [])