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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 origin_info module."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from tensorflow.python.autograph.pyct import anno
from tensorflow.python.autograph.pyct import compiler
from tensorflow.python.autograph.pyct import origin_info
from tensorflow.python.autograph.pyct import parser
from tensorflow.python.platform import test
class OriginInfoTest(test.TestCase):
def test_source_map(self):
def test_fn(x):
if x > 0:
x += 1
return x
node, source = parser.parse_entity(test_fn)
fn_node = node.body[0]
origin_info.resolve(fn_node, source)
# Insert a traced line.
new_node = parser.parse_str('x = abs(x)').body[0]
anno.copyanno(fn_node.body[0], new_node, anno.Basic.ORIGIN)
fn_node.body.insert(0, new_node)
# Insert an untraced line.
fn_node.body.insert(0, parser.parse_str('x = 0').body[0])
modified_source = compiler.ast_to_source(fn_node)
source_map = origin_info.source_map(fn_node, modified_source,
'test_filename', [0])
loc = origin_info.LineLocation('test_filename', 1)
origin = source_map[loc]
self.assertEqual(origin.source_code_line, 'def test_fn(x):')
self.assertEqual(origin.loc.lineno, 1)
# The untraced line, inserted second.
loc = origin_info.LineLocation('test_filename', 2)
self.assertFalse(loc in source_map)
# The traced line, inserted first.
loc = origin_info.LineLocation('test_filename', 3)
origin = source_map[loc]
self.assertEqual(origin.source_code_line, ' if x > 0:')
self.assertEqual(origin.loc.lineno, 2)
loc = origin_info.LineLocation('test_filename', 4)
origin = source_map[loc]
self.assertEqual(origin.source_code_line, ' if x > 0:')
self.assertEqual(origin.loc.lineno, 2)
def test_resolve(self):
def test_fn(x):
"""Docstring."""
return x # comment
node, source = parser.parse_entity(test_fn)
fn_node = node.body[0]
origin_info.resolve(fn_node, source)
origin = anno.getanno(fn_node, anno.Basic.ORIGIN)
self.assertEqual(origin.loc.lineno, 1)
self.assertEqual(origin.loc.col_offset, 0)
self.assertEqual(origin.source_code_line, 'def test_fn(x):')
self.assertIsNone(origin.comment)
origin = anno.getanno(fn_node.body[0], anno.Basic.ORIGIN)
self.assertEqual(origin.loc.lineno, 2)
self.assertEqual(origin.loc.col_offset, 2)
self.assertEqual(origin.source_code_line, ' """Docstring."""')
self.assertIsNone(origin.comment)
origin = anno.getanno(fn_node.body[1], anno.Basic.ORIGIN)
self.assertEqual(origin.loc.lineno, 3)
self.assertEqual(origin.loc.col_offset, 2)
self.assertEqual(origin.source_code_line, ' return x # comment')
self.assertEqual(origin.comment, 'comment')
if __name__ == '__main__':
test.main()
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