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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 parser module."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import textwrap
from tensorflow.python.autograph.pyct import parser
from tensorflow.python.platform import test
class ParserTest(test.TestCase):
def test_parse_entity(self):
def f(x):
return x + 1
mod, _ = parser.parse_entity(f)
self.assertEqual('f', mod.body[0].name)
def test_parse_str(self):
mod = parser.parse_str(
textwrap.dedent("""
def f(x):
return x + 1
"""))
self.assertEqual('f', mod.body[0].name)
def test_parse_comments(self):
def f():
# unindented comment
pass
with self.assertRaises(ValueError):
parser.parse_entity(f)
def test_parse_multiline_strings(self):
def f():
print("""
some
multiline
string""")
with self.assertRaises(ValueError):
parser.parse_entity(f)
def test_parse_expression(self):
node = parser.parse_expression('a.b')
self.assertEqual('a', node.value.id)
self.assertEqual('b', node.attr)
if __name__ == '__main__':
test.main()
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