/usr/share/pyshared/igraph/test/rng.py is in python-igraph 0.6.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | import random
import unittest
from igraph import *
class FakeRNG(object):
@staticmethod
def random():
return 0.1
@staticmethod
def randint(a, b):
return a
@staticmethod
def gauss(mu, sigma):
return 0.3
class InvalidRNG(object):
pass
class RandomNumberGeneratorTests(unittest.TestCase):
def tearDown(self):
set_random_number_generator(random)
def testSetRandomNumberGenerator(self):
set_random_number_generator(FakeRNG)
graph = Graph.GRG(10, 0.2)
self.assertEquals(graph.vs["x"], [0.1] * 10)
self.assertEquals(graph.vs["y"], [0.1] * 10)
self.assertRaises(AttributeError, set_random_number_generator,
InvalidRNG)
def testSeeding(self):
state = random.getstate()
g1 = Graph.Erdos_Renyi(n=1000, m=5000)
random.setstate(state)
g2 = Graph.Erdos_Renyi(n=1000, m=5000)
self.failUnless(g1.get_edgelist() == g2.get_edgelist())
def suite():
random_suite = unittest.makeSuite(RandomNumberGeneratorTests)
return unittest.TestSuite([random_suite])
def test():
runner = unittest.TextTestRunner()
runner.run(suite())
if __name__ == "__main__":
test()
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