wehub-resource-sync
78 lines
2.7 KiB
Python
78 lines
2.7 KiB
Python
# Copyright 2019 The TensorFlow Authors. All Rights Reserved.
|
|
#
|
|
# 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 threading
|
|
from tensorflow.python.eager import cancellation
|
|
from tensorflow.python.platform import test
|
|
|
|
|
|
class CancellationTest(test.TestCase):
|
|
|
|
def test_start_cancel(self):
|
|
manager = cancellation.CancellationManager()
|
|
self.assertFalse(manager.is_cancelled)
|
|
manager.start_cancel()
|
|
self.assertTrue(manager.is_cancelled)
|
|
|
|
def test_threading(self):
|
|
manager1 = cancellation.CancellationManager()
|
|
manager2 = cancellation.CancellationManager()
|
|
thread_exceptions = []
|
|
|
|
def thread_fn():
|
|
try:
|
|
with cancellation.CancellationManagerContext(manager2):
|
|
self.assertEqual(cancellation.context(), manager2)
|
|
except Exception as e: # pylint: disable=broad-exception-caught
|
|
thread_exceptions.append(e)
|
|
|
|
with cancellation.CancellationManagerContext(manager1):
|
|
self.assertEqual(cancellation.context(), manager1)
|
|
t = threading.Thread(target=thread_fn)
|
|
t.start()
|
|
t.join()
|
|
for exc in thread_exceptions:
|
|
raise exc
|
|
self.assertEqual(cancellation.context(), manager1)
|
|
|
|
def test_nested_context(self):
|
|
manager1 = cancellation.CancellationManager()
|
|
manager2 = cancellation.CancellationManager()
|
|
|
|
self.assertIsNone(cancellation.context())
|
|
with cancellation.CancellationManagerContext(manager1):
|
|
self.assertEqual(cancellation.context(), manager1)
|
|
with cancellation.CancellationManagerContext(manager2):
|
|
self.assertEqual(cancellation.context(), manager2)
|
|
self.assertEqual(cancellation.context(), manager1)
|
|
self.assertIsNone(cancellation.context())
|
|
|
|
def test_get_cancelable_function(self):
|
|
manager = cancellation.CancellationManager()
|
|
|
|
def my_fn(x):
|
|
"""My docstring."""
|
|
self.assertEqual(cancellation.context(), manager)
|
|
return x + 1
|
|
|
|
cancelable_fn = manager.get_cancelable_function(my_fn)
|
|
self.assertEqual(cancelable_fn.__name__, "my_fn")
|
|
self.assertEqual(cancelable_fn.__doc__, "My docstring.")
|
|
self.assertEqual(cancelable_fn(5), 6)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
test.main()
|