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bpo-30308: Code coverage for argument in random.shuffle (#1504)

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* bpo-30308: Code coverage for argument in random.shuffle

* bpo-30308: Code coverage for argument in random.shuffle

* bpo-30308: Code coverage for argument in random.shuffle
This commit is contained in:
csabella 2017-05-11 11:19:35 -04:00 committed by Raymond Hettinger
parent 991adca012
commit f111fd2e65
1 changed files with 11 additions and 1 deletions
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12
Lib/test/test_random.py
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@ -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