def test_managed(self):
with self.executor() as ex:
a = ex.future(work_load, -1)
self.assertTrue(is_promise(a))
# generate some minor workload, enough to engage a queue
values = [ex.future(work_load, x) for x in xrange(0, 999)]
b = ex.future(work_load, -101)
self.assertFalse(is_delivered(b))
# the managed interface implicitly calls the deliver() method
# on the executor, so by the time we get here, everything
# should be delivered.
self.assertTrue(is_promise(a))
self.assertTrue(is_delivered(a))
self.assertEqual(deliver(a), 0)
self.assertTrue(is_promise(b))
self.assertTrue(is_delivered(b))
self.assertEqual(deliver(b), -100)
self.assertEqual([deliver(v) for v in values],
list(xrange(1, 1000)))
def test_blocking(self):
ex = self.executor()
# generate some minor workload, enough to engage a queue
values = [ex.future(work_load, x) for x in xrange(0, 999)]
b = ex.future(work_load, -101)
self.assertFalse(is_delivered(b))
self.assertEqual(deliver(b), -100)
ex.deliver()
def test_raises(self):
ex = self.executor()
# generate some minor workload, enough to engage a queue
values = [ex.future(work_load, x) for x in xrange(0, 999)]
b = ex.future(fail_load, -101)
self.assertFalse(is_delivered(b))
self.assertRaises(TacoException, lambda: deliver(b))
ex.terminate()
