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# 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.
# ==============================================================================
"""Tests for builtin_functions module."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import sys
import six
from tensorflow.contrib.autograph.converters import builtin_functions
from tensorflow.contrib.autograph.core import converter_testing
from tensorflow.python.framework import constant_op
from tensorflow.python.ops import array_ops
from tensorflow.python.platform import test
class BuiltinFunctionsTest(converter_testing.TestCase):
def test_len(self):
def test_fn(a):
return len(a)
node = self.parse_and_analyze(test_fn, {'len': len})
node = builtin_functions.transform(node, self.ctx)
with self.compiled(node, array_ops.shape) as result:
with self.test_session() as sess:
self.assertEqual(3,
sess.run(
result.test_fn(constant_op.constant([0, 0, 0]))))
self.assertEqual(3, result.test_fn([0, 0, 0]))
def test_print(self):
def test_fn(a):
print(a)
node = self.parse_and_analyze(test_fn, {'print': print})
node = builtin_functions.transform(node, self.ctx)
with self.compiled(node) as result:
with self.test_session() as sess:
try:
out_capturer = six.StringIO()
sys.stdout = out_capturer
result.test_fn(constant_op.constant('a'))
sess.run(sess.graph.get_operations())
self.assertEqual(out_capturer.getvalue(), 'a\n')
finally:
sys.stdout = sys.__stdout__
def test_print_with_op_multiple_values(self):
def test_fn(a, b, c):
print(a, b, c)
node = self.parse_and_analyze(test_fn, {'print': print})
node = builtin_functions.transform(node, self.ctx)
with self.compiled(node) as result:
with self.test_session() as sess:
try:
out_capturer = six.StringIO()
sys.stdout = out_capturer
result.test_fn(
constant_op.constant('a'), constant_op.constant(1), [2, 3])
sess.run(sess.graph.get_operations())
self.assertEqual(out_capturer.getvalue(), 'a 1 [2, 3]\n')
finally:
sys.stdout = sys.__stdout__
if __name__ == '__main__':
test.main()
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