1 # Copyright 2017 The TensorFlow Authors. All Rights Reserved. 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 # ============================================================================== 15 """Tests for printing module.""" 16 17 from __future__ import absolute_import 18 from __future__ import division 19 from __future__ import print_function 20 21 import sys 22 23 import six 24 25 from tensorflow.contrib.py2tf.utils import printing 26 from tensorflow.python.platform import test 27 28 29 class ContextManagersTest(test.TestCase): 30 31 def test_call_print_tf(self): 32 try: 33 out_capturer = six.StringIO() 34 sys.stdout = out_capturer 35 with self.test_session() as sess: 36 sess.run(printing.call_print('test message', 1)) 37 self.assertEqual(out_capturer.getvalue(), 'test message 1\n') 38 finally: 39 sys.stdout = sys.__stdout__ 40 41 def test_call_print_py_func(self): 42 try: 43 out_capturer = six.StringIO() 44 sys.stdout = out_capturer 45 with self.test_session() as sess: 46 sess.run(printing.call_print('test message', [1, 2])) 47 self.assertEqual(out_capturer.getvalue(), 'test message [1, 2]\n') 48 finally: 49 sys.stdout = sys.__stdout__ 50 51 52 if __name__ == '__main__': 53 test.main() 54
