class TestIOLoopRunSync(unittest.TestCase): def setUp(self): self.io_loop = IOLoop() def tearDown(self): self.io_loop.close() def test_sync_result(self): self.assertEqual(self.io_loop.run_sync(lambda: 42), 42) def test_sync_exception(self): with self.assertRaises(ZeroDivisionError): self.io_loop.run_sync(lambda: 1 / 0) def test_async_result(self): @gen.coroutine def f(): yield gen.Task(self.io_loop.add_callback) raise gen.Return(42) self.assertEqual(self.io_loop.run_sync(f), 42) def test_async_exception(self): @gen.coroutine def f(): yield gen.Task(self.io_loop.add_callback) 1 / 0 with self.assertRaises(ZeroDivisionError): self.io_loop.run_sync(f) def test_current(self): def f(): self.assertIs(IOLoop.current(), self.io_loop) self.io_loop.run_sync(f) def test_timeout(self): @gen.coroutine def f(): yield gen.Task(self.io_loop.add_timeout, self.io_loop.time() + 1) self.assertRaises(TimeoutError, self.io_loop.run_sync, f, timeout=0.01)