def test_copy(self):
tests = [([[0], [1]], 4)]
for test in tests:
res = fill(*test, copy=False)
self.assertIs(res[-1], test[0][-1])
res = fill(*test, copy=True)
self.assertIsNot(res[-1], test[0][-1])
self.assertEqual(res[-1], test[0][-1])
def test_empty(self):
tests = [(None, -1), ([], 0), (0, 0)]
for test in tests:
self.assertEqual(fill(*test), [])
with self.assertRaises(ValueError):
fill([], 1)
def test_multiple(self):
tests = [((range(10), 2), [0, 1]), ((range(3), 5), [0, 1, 2, 2, 2])]
for test, res in tests:
self.assertEqual(fill(*test), res)
def test_no_copy(self):
tests = [([], 0), (list(range(3)), 3)]
for lst, sz in tests:
self.assertIs(fill(lst, sz), lst)
def test_single(self):
tests = [((1, 1), [1]), ((1, 5), [1] * 5)]
for test, res in tests:
self.assertEqual(fill(*test), res)
def test_fill_copy(lst, size):
res = fill(lst, size, copy=False)
assert res[-1] is lst[-1]
res = fill(lst, size, copy=True)
assert res[-1] is not lst[-1]
assert res[-1] == lst[-1]
def test_fill_no_copy(lst, size):
assert fill(lst, size) is lst
def test_fill(test, res):
assert fill(*test) == res
def test_fill_error():
with pytest.raises(ValueError):
fill([], 1)