def test_age_default(self, fake_datetime):
"""
age() w/ defaults works properly
"""
from datetime import datetime
now = datetime.fromtimestamp(60.0)
fake_datetime.return_value = now
fake_datetime.utcnow = Mock(return_value=now)
tor = FakeTorController()
circuit = Circuit(tor)
circuit._time_created = datetime.fromtimestamp(0.0)
self.assertEquals(circuit.age(), 60)
self.assertTrue(circuit.time_created is not None)
