diff options
Diffstat (limited to 'Lib/test/test_random.py')
| -rw-r--r-- | Lib/test/test_random.py | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Lib/test/test_random.py b/Lib/test/test_random.py index 48077fb5db..45468c7ce4 100644 --- a/Lib/test/test_random.py +++ b/Lib/test/test_random.py @@ -9,6 +9,7 @@ from math import log, exp, pi, fsum, sin, factorial from test import support from fractions import Fraction + class TestBasicOps: # Superclass with tests common to all generators. # Subclasses must arrange for self.gen to retrieve the Random instance @@ -50,7 +51,7 @@ class TestBasicOps: @unittest.mock.patch('random._urandom') # os.urandom def test_seed_when_randomness_source_not_found(self, urandom_mock): # Random.seed() uses time.time() when an operating system specific - # randomness source is not found. To test this on machines were it + # randomness source is not found. To test this on machines where it # exists, run the above test, test_seedargs(), again after mocking # os.urandom() so that it raises the exception expected when the # randomness source is not available. @@ -88,6 +89,15 @@ class TestBasicOps: self.assertTrue(lst != shuffled_lst) shuffle(lst) self.assertTrue(lst != shuffled_lst) + self.assertRaises(TypeError, shuffle, (1, 2, 3)) + + def test_shuffle_random_argument(self): + # Test random argument to shuffle. + shuffle = self.gen.shuffle + mock_random = unittest.mock.Mock(return_value=0.5) + seq = bytearray(b'abcdefghijk') + shuffle(seq, mock_random) + mock_random.assert_called_with() def test_choice(self): choice = self.gen.choice |