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# Copyright 2018 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 directives module."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from tensorflow.python.autograph.converters import directives as directives_converter
from tensorflow.python.autograph.core import converter_testing
from tensorflow.python.autograph.core.converter import AgAnno
from tensorflow.python.autograph.lang import directives
from tensorflow.python.autograph.pyct import anno
from tensorflow.python.autograph.pyct import parser
from tensorflow.python.platform import test
class DirectivesTest(converter_testing.TestCase):
def test_local_target(self):
def test_fn():
l = []
string_var = 0
directives.set_element_type(l, 'a', string_var)
node, ctx = self.prepare(test_fn, {'directives': directives})
node = directives_converter.transform(node, ctx)
def_, = anno.getanno(node.body[0].targets[0],
anno.Static.DEFINITIONS)
d = def_.directives[directives.set_element_type]
self.assertEqual(d['dtype'].s, 'a')
self.assertEqual(d['shape'].id, 'string_var')
def test_argument_target(self):
def test_fn(a):
directives.set_element_type(a, 1, shape=2)
node, ctx = self.prepare(test_fn, {'directives': directives})
node = directives_converter.transform(node, ctx)
def_, = anno.getanno(node.args.args[0], anno.Static.DEFINITIONS)
d = def_.directives[directives.set_element_type]
self.assertEqual(d['dtype'].n, 1)
self.assertEqual(d['shape'].n, 2)
def test_loop_target(self):
def test_fn():
a = True
while True:
directives.set_loop_options(parallel_iterations=10, back_prop=a)
node, ctx = self.prepare(test_fn, {'directives': directives})
node = directives_converter.transform(node, ctx)
d = anno.getanno(node.body[1], AgAnno.DIRECTIVES)
d = d[directives.set_loop_options]
self.assertEqual(d['parallel_iterations'].n, 10)
self.assertEqual(d['back_prop'].id, 'a')
self.assertNotIn('swap_memory', d)
def test_invalid_default(self):
def invalid_directive(valid_arg, invalid_default=object()):
del valid_arg
del invalid_default
return
def call_invalid_directive():
invalid_directive(1)
node, _ = parser.parse_entity(call_invalid_directive)
# Find the call to the invalid directive
node = node.body[0].body[0].value
with self.assertRaisesRegexp(ValueError, 'Unexpected keyword.*'):
directives_converter._map_args(node, invalid_directive)
if __name__ == '__main__':
test.main()
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