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Moving deque implementation to its own file #113
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Moving deque implementation to its own file #113
bharatagarwal
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bharatagarwal
changed the title
Deque implementation own file
Moving deque implementation to its own file
Sep 13, 2023
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Thanks for cleaning this up!
Comment on lines
+5
to
+26
cases = ( | ||
(lambda d: d.is_empty(), [], True), | ||
(lambda d: d.add_rear(4), [4], None), | ||
(lambda d: d.add_rear('dog'), ['dog', 4], None), | ||
(lambda d: d.add_front('cat'), ['dog', 4, 'cat'], None), | ||
(lambda d: d.add_front(True), ['dog', 4, 'cat', True], None), | ||
(lambda d: d.size(), ['dog', 4, 'cat', True], 4), | ||
(lambda d: d.is_empty(), ['dog', 4, 'cat', True], False), | ||
(lambda d: d.add_rear(8.4), [8.4, 'dog', 4, 'cat', True], None), | ||
(lambda d: d.remove_rear(), ['dog', 4, 'cat', True], 8.4), | ||
(lambda d: d.remove_front(), ['dog', 4, 'cat'], True) | ||
) | ||
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|
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class TestCorrectness(unittest.TestCase): | ||
|
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def test_operates_correctly(self): | ||
deque = Deque() | ||
for operate, expected_state, expected_return in cases: | ||
actual_return = operate(deque) | ||
self.assertEqual(actual_return, expected_return) | ||
self.assertEqual(deque._items, expected_state) |
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How would you feel about something like this instead?
cases = (
(Deque.is_empty, [], [], True),
(Deque.add_rear, [4], [4], None),
(Deque.add_rear, ['dog'], ['dog', 4], None),
(Deque.add_front, ['cat'], ['dog', 4, 'cat'], None),
(Deque.add_front, [True], ['dog', 4, 'cat', True], None),
(Deque.size, [], ['dog', 4, 'cat', True], 4),
(Deque.is_empty, [], ['dog', 4, 'cat', True], False),
(Deque.add_rear, [8.4], [8.4, 'dog', 4, 'cat', True], None),
(Deque.remove_rear, [], ['dog', 4, 'cat', True], 8.4),
(Deque.remove_front, [], ['dog', 4, 'cat'], True)
)
class TestCorrectness(unittest.TestCase):
def test_operates_correctly(self):
deque = Deque()
for method, args, expected_state, expected_return in cases:
actual_return = method(deque, *args)
self.assertEqual(actual_return, expected_return)
self.assertEqual(deque._items, expected_state)
Co-authored-by: Elliott Jin <[email protected]>
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This moves the deque implementation to its own file. Also fixed a typo involving a missing backtick in the table demonstration deque operations.
Note: Removed
(object)
from class declaration along the lines of #112