diff options
Diffstat (limited to 'src/python/grpcio_tests/tests/unit/_cython')
-rw-r--r-- | src/python/grpcio_tests/tests/unit/_cython/_fork_test.py | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/python/grpcio_tests/tests/unit/_cython/_fork_test.py b/src/python/grpcio_tests/tests/unit/_cython/_fork_test.py new file mode 100644 index 0000000000..aeb02458a7 --- /dev/null +++ b/src/python/grpcio_tests/tests/unit/_cython/_fork_test.py @@ -0,0 +1,68 @@ +# Copyright 2018 gRPC authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import os +import threading +import unittest + +from grpc._cython import cygrpc + + +def _get_number_active_threads(): + return cygrpc._fork_state.active_thread_count._num_active_threads + + +@unittest.skipIf(os.name == 'nt', 'Posix-specific tests') +class ForkPosixTester(unittest.TestCase): + + def setUp(self): + cygrpc._GRPC_ENABLE_FORK_SUPPORT = True + + def testForkManagedThread(self): + + def cb(): + self.assertEqual(1, _get_number_active_threads()) + + thread = cygrpc.ForkManagedThread(cb) + thread.start() + thread.join() + self.assertEqual(0, _get_number_active_threads()) + + def testForkManagedThreadThrowsException(self): + + def cb(): + self.assertEqual(1, _get_number_active_threads()) + raise Exception("expected exception") + + thread = cygrpc.ForkManagedThread(cb) + thread.start() + thread.join() + self.assertEqual(0, _get_number_active_threads()) + + +@unittest.skipUnless(os.name == 'nt', 'Windows-specific tests') +class ForkWindowsTester(unittest.TestCase): + + def testForkManagedThreadIsNoOp(self): + + def cb(): + pass + + thread = cygrpc.ForkManagedThread(cb) + thread.start() + thread.join() + + +if __name__ == '__main__': + unittest.main(verbosity=2) |