def test_number_open_sites_2_b(self):
pg = Percolation(4)
pg.open(1, 2)
pg.open(1, 2) # already open, should not be counted twice
pg.open(2, 2)
expected, actual = 2, pg.number_of_open_sites()
self.assertEqual(expected, actual)
def _simulate(self, n):
""" Process independent percolation experiment """
p = Percolation(n)
while True:
p.open(random.randint(0, n - 1), random.randint(0, n - 1))
if p.is_percolates():
return p.number_of_open_sites() / (n * n)
def test_number_open_sites_2_a(self):
pg = Percolation(4)
pg.open(1, 2)
pg.open(2, 2)
expected, actual = 2, pg.number_of_open_sites()
self.assertEqual(expected, actual)
def test_number_open_sites_0(self):
pg = Percolation(4)
expected, actual = 0, pg.number_of_open_sites()
self.assertEqual(expected, actual)
def single_threshold(self):
perc = Percolation(self.n)
while not perc.percolates():
perc.open(row=randint(0, self.n - 1), col=randint(0, self.n - 1))
return perc.number_of_open_sites() / (self.n * self.n)
