def test_shuffling(self, mock_shuffle, mock_randint):
mock_randint.return_value = 2
mock_shuffle.side_effect = swap_start_and_end
self.assertEquals([1, 0, 3, 2], _random_range(4))
self.assertEquals([1, 0, 3, 2, 4], _random_range(5))
def test_span(self):
# any span <= 1 will lead to no shuffling
self.assertEquals(range(5), _random_range(5, span=1))
self.assertEquals(range(5), _random_range(5, span=0))
self.assertEquals(range(5), _random_range(5, span=-1))
self.assertEquals(3, len(_random_range(3, span=1000)))
def test_some_shuffling_happens(self):
self.assertNotEquals(range(100), _random_range(100))
def test_boundries(self):
self.assertEquals([], _random_range(-1))
self.assertEquals([], _random_range(0))
self.assertEquals([0], _random_range(1))
self.assertEquals(5, len(_random_range(5)))
def test_shuffling(self, mock_shuffle, mock_randint):
mock_randint.return_value = 2
mock_shuffle.side_effect = swap_start_and_end
self.assertEquals([1, 0, 3, 2], _random_range(4))
self.assertEquals([1, 0, 3, 2, 4], _random_range(5))
def test_some_shuffling_happens(self):
self.assertNotEquals(range(100), _random_range(100))
def test_span(self):
# any span <= 1 will lead to no shuffling
self.assertEquals(range(5), _random_range(5, span=1))
self.assertEquals(range(5), _random_range(5, span=0))
self.assertEquals(range(5), _random_range(5, span=-1))
self.assertEquals(3, len(_random_range(3, span=1000)))
def test_boundries(self):
self.assertEquals([], _random_range(-1))
self.assertEquals([], _random_range(0))
self.assertEquals([0], _random_range(1))
self.assertEquals(5, len(_random_range(5)))
