93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
# Copyright 2017 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.
|
|
# ==============================================================================
|
|
"""Unit tests for tf_contextlib."""
|
|
|
|
# pylint: disable=unused-import
|
|
from __future__ import absolute_import
|
|
from __future__ import division
|
|
from __future__ import print_function
|
|
|
|
from tensorflow.python.platform import test
|
|
from tensorflow.python.util import tf_contextlib
|
|
from tensorflow.python.util import tf_decorator
|
|
from tensorflow.python.util import tf_inspect
|
|
|
|
|
|
@tf_contextlib.contextmanager
|
|
def test_yield_append_before_and_after_yield(x, before, after):
|
|
x.append(before)
|
|
yield
|
|
x.append(after)
|
|
|
|
|
|
@tf_contextlib.contextmanager
|
|
def test_yield_return_x_plus_1(x):
|
|
yield x + 1
|
|
|
|
|
|
@tf_contextlib.contextmanager
|
|
def test_params_and_defaults(a, b=2, c=True, d='hello'):
|
|
return [a, b, c, d]
|
|
|
|
|
|
class TfContextlibTest(test.TestCase):
|
|
|
|
def testRunsCodeBeforeYield(self):
|
|
x = []
|
|
with test_yield_append_before_and_after_yield(x, 'before', ''):
|
|
self.assertEqual('before', x[-1])
|
|
|
|
def testRunsCodeAfterYield(self):
|
|
x = []
|
|
with test_yield_append_before_and_after_yield(x, '', 'after'):
|
|
pass
|
|
self.assertEqual('after', x[-1])
|
|
|
|
def testNestedWith(self):
|
|
x = []
|
|
with test_yield_append_before_and_after_yield(x, 'before', 'after'):
|
|
with test_yield_append_before_and_after_yield(x, 'inner', 'outer'):
|
|
with test_yield_return_x_plus_1(1) as var:
|
|
x.append(var)
|
|
self.assertEqual(['before', 'inner', 2, 'outer', 'after'], x)
|
|
|
|
def testMultipleCallsOfSeparateInstances(self):
|
|
x = []
|
|
with test_yield_append_before_and_after_yield(x, 1, 2):
|
|
pass
|
|
with test_yield_append_before_and_after_yield(x, 3, 4):
|
|
pass
|
|
self.assertEqual([1, 2, 3, 4], x)
|
|
|
|
def testReturnsResultFromYield(self):
|
|
with test_yield_return_x_plus_1(3) as result:
|
|
self.assertEqual(4, result)
|
|
|
|
def testUnwrapContextManager(self):
|
|
decorators, target = tf_decorator.unwrap(test_params_and_defaults)
|
|
self.assertEqual(1, len(decorators))
|
|
self.assertTrue(isinstance(decorators[0], tf_decorator.TFDecorator))
|
|
self.assertEqual('contextmanager', decorators[0].decorator_name)
|
|
self.assertFalse(isinstance(target, tf_decorator.TFDecorator))
|
|
|
|
def testGetArgSpecReturnsWrappedArgSpec(self):
|
|
argspec = tf_inspect.getargspec(test_params_and_defaults)
|
|
self.assertEqual(['a', 'b', 'c', 'd'], argspec.args)
|
|
self.assertEqual((2, True, 'hello'), argspec.defaults)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
test.main()
|