def test_zero_is_an_error(self):
with self.assertRaises(ValueError) as err:
steps(0)
self.assertEqual(type(err.exception), ValueError)
self.assertEqual(err.exception.args[0],
"Only positive integers are allowed")
def test_negative_value_is_an_error(self):
with self.assertRaises(ValueError) as err:
steps(-15)
self.assertEqual(type(err.exception), ValueError)
self.assertEqual(err.exception.args[0],
"Only positive numbers are allowed")
def test_load(self):
for n, exp in [
(19, 20), (27, 111), (97, 118), (871, 178),
(6171, 261), (77031, 350), (837_799, 524),
(8_400_511, 685), (63_728_127, 949), (670_617_279, 986),
(9_780_657_630, 1132), (75_128_138_247, 1228),
(989_345_275_647, 1348),
(7_887_663_552_367, 1563),
(80_867_137_596_217, 1662),
(134_345_724_286_089, 1823),
(530_149_921_398_649, 1856),
(942_488_749_153_153, 1862),
(1_675_535_554_050_049, 1868),
(3_586_720_916_237_671, 1895),
(4_320_515_538_764_287, 1903),
(4_861_718_551_722_727, 1916),
(12_769_884_180_266_527, 2039),
(17_026_512_240_355_369, 2042),
(7_579_309_213_675_935, 1958),
(93_571_393_692_802_302, 2091),
(372_975_273_994_315_489, 2261),
(931_386_509_544_713_451, 2283),
(1_339_302_163_616_345_727, 2330),
(1_278_775_404_785_934_855, 2286),
]:
self.assertEqual(steps(n), exp)
def test_zero_steps_for_one(self):
self.assertEqual(steps(1), 0)
def test_negative_value_is_an_error(self):
with self.assertRaisesWithMessage(ValueError):
steps(-15)
def test_zero_is_an_error(self):
with self.assertRaisesWithMessage(ValueError):
steps(0)
def test_large_number_of_even_and_odd_steps(self):
self.assertEqual(steps(1000000), 152)
def test_even_and_odd_steps(self):
self.assertEqual(steps(12), 9)
def test_divide_if_even(self):
self.assertEqual(steps(16), 4)
def test_this_out(self):
self.assertEqual(steps(12), 9)
def test_zero_steps_for_one(self):
self.assertEqual(steps(1), 0)
def test_negative_value_is_an_error(self):
with self.assertRaisesWithMessage(ValueError):
steps(-15)
def test_zero_is_an_error(self):
with self.assertRaisesWithMessage(ValueError):
steps(0)
def test_large_number_of_even_and_odd_steps(self):
self.assertEqual(steps(1000000), 152)
def test_even_and_odd_steps(self):
self.assertEqual(steps(12), 9)
def test_divide_if_even(self):
self.assertEqual(steps(16), 4)