def tests_expire(self):
"moments can expire values"
b = moment()
b.set('a', expires=datetime.now() + timedelta(milliseconds=10))
self.assertEquals(b.get(), 'a')
time.sleep(.01)
self.assertRaises(ValueError, b.get)
def test_future(self):
"moments can have multiple future values"
b = moment('a', future=dict(milliseconds=10))
b.set('b', future=dict(milliseconds=20))
self.assertRaises(ValueError, b.get)
time.sleep(.01)
self.assertEquals(b.get(), 'a')
time.sleep(.01)
self.assertEquals(b.get(), 'b')
self.assertEquals(len(b), 1, "'a' was not removed")
def tests_value(self):
"moments evicts present"
b = moment()
b.set('a')
b.set('b')
self.assertEquals(b.get(), 'b')
b.set('c')
self.assertEquals(b.get(), 'c')
self.assertEquals(len(b), 1)
# replace w/ future
b.set('d', future=datetime.now() + timedelta(milliseconds=10))
self.assertEquals(b.get(), 'c')
self.assertEquals(len(b), 2)
time.sleep(.01)
self.assertEquals(b.get(), 'd')
def test_set(self):
"moments validate expires/future values"
self.assertRaises(ValueError, moment().set, 1, 'not a date')
self.assertRaises(ValueError, moment().set, 1, future='not a date')
self.assertRaises(AssertionError, moment().set, 1, expires=datetime.now() - timedelta(minutes=10))
self.assertRaises(AssertionError, moment().set, 1, datetime.now() + timedelta(minutes=10), datetime.now() + timedelta(minutes=20))
