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-rw-r--r--src/python/grpcio/tests/unit/_channel_ready_future_test.py103
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diff --git a/src/python/grpcio/tests/unit/_channel_ready_future_test.py b/src/python/grpcio/tests/unit/_channel_ready_future_test.py
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--- a/src/python/grpcio/tests/unit/_channel_ready_future_test.py
+++ /dev/null
@@ -1,103 +0,0 @@
-# Copyright 2015, Google Inc.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-# * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-"""Tests of grpc.channel_ready_future."""
-
-import threading
-import unittest
-from concurrent import futures
-
-import grpc
-from grpc import _channel
-from grpc import _server
-from tests.unit.framework.common import test_constants
-
-
-class _Callback(object):
-
- def __init__(self):
- self._condition = threading.Condition()
- self._value = None
-
- def accept_value(self, value):
- with self._condition:
- self._value = value
- self._condition.notify_all()
-
- def block_until_called(self):
- with self._condition:
- while self._value is None:
- self._condition.wait()
- return self._value
-
-
-class ChannelReadyFutureTest(unittest.TestCase):
-
- def test_lonely_channel_connectivity(self):
- channel = grpc.insecure_channel('localhost:12345')
- callback = _Callback()
-
- ready_future = grpc.channel_ready_future(channel)
- ready_future.add_done_callback(callback.accept_value)
- with self.assertRaises(grpc.FutureTimeoutError):
- ready_future.result(test_constants.SHORT_TIMEOUT)
- self.assertFalse(ready_future.cancelled())
- self.assertFalse(ready_future.done())
- self.assertTrue(ready_future.running())
- ready_future.cancel()
- value_passed_to_callback = callback.block_until_called()
- self.assertIs(ready_future, value_passed_to_callback)
- self.assertTrue(ready_future.cancelled())
- self.assertTrue(ready_future.done())
- self.assertFalse(ready_future.running())
-
- def test_immediately_connectable_channel_connectivity(self):
- server = _server.Server((), futures.ThreadPoolExecutor(max_workers=0))
- port = server.add_insecure_port('[::]:0')
- server.start()
- channel = grpc.insecure_channel('localhost:{}'.format(port))
- callback = _Callback()
-
- ready_future = grpc.channel_ready_future(channel)
- ready_future.add_done_callback(callback.accept_value)
- self.assertIsNone(ready_future.result(test_constants.SHORT_TIMEOUT))
- value_passed_to_callback = callback.block_until_called()
- self.assertIs(ready_future, value_passed_to_callback)
- self.assertFalse(ready_future.cancelled())
- self.assertTrue(ready_future.done())
- self.assertFalse(ready_future.running())
- # Cancellation after maturity has no effect.
- ready_future.cancel()
- self.assertFalse(ready_future.cancelled())
- self.assertTrue(ready_future.done())
- self.assertFalse(ready_future.running())
-
-
-if __name__ == '__main__':
- unittest.main(verbosity=2)