def test_rotate_insert_rotate_back_3(self):
expected = CircularList().from_iterable([1, 2, 3, 4, 5, 6, 7, 8, 9])
actual = CircularList().from_iterable([1, 2, 3, 4, 5, 6, 7, 9])
actual.rotate(-6)
actual.insert_at_cursor(8)
actual.rotate(7)
self.assertEqual(expected, actual)
def test_pop_and_insert_1(self):
expected = CircularList().from_iterable([1, 2, 3, 4, 5, 6, 7, 8, 9])
actual = CircularList().from_iterable([9, 2, 3, 4, 5, 6, 7, 8, 1])
actual.rotate(-8)
popped = actual.pop_at()
actual.insert_at_cursor(popped)
self.assertEqual(expected, actual)
def test_str_non_empty(self):
cl = CircularList.from_iterable([1, 2, 3])
actual = io.StringIO()
with redirect_stdout(actual):
print(cl, end='')
expected = 'CircularList((1), 2, 3)'
self.assertEqual(actual.getvalue(), expected)
def test_type(self):
self.assertIsInstance(CircularList(), CircularList)
def test_rotate_minus_1(self):
expected = CircularList().from_iterable([1, 2, 3, 4, 0])
actual = CircularList().from_iterable(range(5))
actual.rotate(-1)
self.assertEqual(expected, actual)
def test_rotate_2(self):
expected = CircularList().from_iterable([4, 0, 1, 2, 3])
actual = CircularList().from_iterable(range(5))
actual.rotate(1)
self.assertEqual(expected, actual)
def test_rotate_1(self):
expected = CircularList().from_iterable([4, 0, 1, 2, 3])
actual = CircularList().from_iterable(range(5))
actual.rotate() # test default parameter
self.assertEqual(expected, actual)
def test_equality_empty(self):
cl1 = CircularList()
cl2 = CircularList()
self.assertTrue(cl1 == cl2)
def test_equality(self):
cl1 = CircularList.from_iterable(range(4))
cl2 = CircularList.from_iterable([0, 1, 2, 3])
self.assertTrue(cl1 == cl2)
def test_truthfulness_2(self):
cl = CircularList.from_iterable([1, 2, 5, 8, 9])
self.assertTrue(cl)
def test_truthfulness_1(self):
cl = CircularList.from_iterable([-1])
self.assertTrue(cl)
def test_truthfulness_empty_container(self):
cl = CircularList.from_iterable([])
self.assertFalse(cl)
def test_from_iterable_2(self):
cl = CircularList.from_iterable([1, 2, 5, 8, 9])
self.assertEqual(len(cl), 5)
def test_from_iterable_1(self):
cl = CircularList.from_iterable([1])
self.assertEqual(len(cl), 1)
def test_from_iterable_empty(self):
cl = CircularList.from_iterable([])
self.assertEqual(len(cl), 0)
def test_rotate_minus_len(self):
expected = CircularList().from_iterable([0, 1, 2, 3, 4])
actual = CircularList().from_iterable(range(5))
actual.rotate(-len(actual))
self.assertEqual(expected, actual)
def test_rotate_3(self):
expected = CircularList().from_iterable([2, 3, 4, 0, 1])
actual = CircularList().from_iterable(range(5))
actual.rotate(3)
self.assertEqual(expected, actual)
def test_len_0(self):
self.assertEqual(len(CircularList()), 0)