def test(self):
for n, answer in ((2, 1), (3, 1), (5, 3), (1,0)):
sequence = compute_operations(n)
self.assertEqual(answer, len(sequence) - 1)
self.assertEqual(sequence[0], 1)
self.assertEqual(sequence[-1], n)
for i in range(len(sequence) - 1):
if sequence[i + 1] != sequence[i] + 1 and sequence[i + 1] != 2 * sequence[i]:
self.assertEqual(sequence[i + 1], 3 * sequence[i])
def test(self):
for n, answer in (
(2, 1),
(3, 1),
(5, 3),
):
print(n)
sequence = compute_operations(n)
print('check length')
self.assertEqual(answer, len(sequence) - 1)
print('check first value')
self.assertEqual(sequence[0], 1)
print('check last value')
self.assertEqual(sequence[-1], n)
print('check order')
for i in range(len(sequence) - 1):
if sequence[i + 1] != sequence[i] + 1 and sequence[
i + 1] != 2 * sequence[i]:
self.assertEqual(sequence[i + 1], 3 * sequence[i])
from test_helper import run_common_tests, failed, passed, check_tests_pass
from primitive_calculator import compute_operations
if __name__ == '__main__':
run_common_tests()
check_tests_pass("primitive_calculator_unit_tests.py")
all_tests_passed = True
for n, answer in ((20, 4), (200, 8), (239, 10), (69006, 19)):
sequence = compute_operations(n)
if len(sequence) - 1 != answer:
all_tests_passed = False
failed("Wrong answer for n={}".format(n))
break
if all_tests_passed:
passed()