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from __future__ import with_statement
import rpyc
import unittest
from contextlib import contextmanager
class MyService(rpyc.Service):
on_context_enter = False
on_context_exit = False
on_context_exc = False
@contextmanager
def exposed_context(self, y):
self.on_context_enter = True
try:
yield 17 + y
except Exception:
self.on_context_exc = True
raise
finally:
self.on_context_exit = True
class TestContextManagers(unittest.TestCase):
def setUp(self):
self.service = MyService()
self.conn = rpyc.connect_thread(remote_service=self.service)
def tearDown(self):
self.conn.close()
def test_context(self):
service = self.service
with self.conn.root.context(3) as x:
self.assertTrue(service.on_context_enter)
self.assertFalse(service.on_context_exc)
self.assertFalse(service.on_context_exit)
self.assertEqual(x, 20)
self.assertFalse(service.on_context_exc)
self.assertTrue(service.on_context_exit)
def test_context_exception(self):
class MyException(Exception):
pass
service = self.service
def use_context():
with self.conn.root.context(3):
self.assertTrue(service.on_context_enter)
self.assertFalse(service.on_context_exc)
self.assertFalse(service.on_context_exit)
raise MyException()
self.assertRaises(MyException, use_context)
self.assertTrue(service.on_context_exc)
self.assertTrue(service.on_context_exit)
if __name__ == "__main__":
unittest.main()
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