Files
deb-python-eventlet/tests/test__twistedutil.py

42 lines
1.2 KiB
Python

from tests import requires_twisted
import unittest
try:
from twisted.internet import reactor
from twisted.internet.error import DNSLookupError
from twisted.internet import defer
from twisted.python.failure import Failure
from eventlet.twistedutil import block_on
except ImportError:
pass
class Test(unittest.TestCase):
@requires_twisted
def test_block_on_success(self):
from twisted.internet import reactor
d = reactor.resolver.getHostByName('www.google.com')
ip = block_on(d)
assert len(ip.split('.'))==4, ip
ip2 = block_on(d)
assert ip == ip2, (ip, ip2)
@requires_twisted
def test_block_on_fail(self):
from twisted.internet import reactor
d = reactor.resolver.getHostByName('xxx')
self.assertRaises(DNSLookupError, block_on, d)
@requires_twisted
def test_block_on_already_succeed(self):
d = defer.succeed('hey corotwine')
res = block_on(d)
assert res == 'hey corotwine', `res`
@requires_twisted
def test_block_on_already_failed(self):
d = defer.fail(Failure(ZeroDivisionError()))
self.assertRaises(ZeroDivisionError, block_on, d)
if __name__=='__main__':
unittest.main()