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# Copyright 2015 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.
# ==============================================================================
"""Sanity tests for tf.flags."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import sys
import unittest
from absl import flags as absl_flags
from tensorflow.python.platform import flags
from tensorflow.python.platform import test
flags.DEFINE_string(
flag_name='old_string', default_value='default', docstring='docstring')
flags.DEFINE_string(
name='new_string', default='default', help='docstring')
flags.DEFINE_integer(
flag_name='old_integer', default_value=1, docstring='docstring')
flags.DEFINE_integer(
name='new_integer', default=1, help='docstring')
flags.DEFINE_float(
flag_name='old_float', default_value=1.5, docstring='docstring')
flags.DEFINE_float(
name='new_float', default=1.5, help='docstring')
flags.DEFINE_bool(
flag_name='old_bool', default_value=True, docstring='docstring')
flags.DEFINE_bool(
name='new_bool', default=True, help='docstring')
flags.DEFINE_boolean(
flag_name='old_boolean', default_value=False, docstring='docstring')
flags.DEFINE_boolean(
name='new_boolean', default=False, help='docstring')
class FlagsTest(unittest.TestCase):
def setUp(self):
self.original_flags = flags.FlagValues()
self.wrapped_flags = flags._FlagValuesWrapper(self.original_flags)
flags.DEFINE_string(
'test', 'default', 'test flag', flag_values=self.wrapped_flags)
def test_attribute_overrides(self):
# Test that methods defined in absl.flags.FlagValues are the same as the
# wrapped ones.
self.assertEqual(flags.FLAGS.is_parsed, absl_flags.FLAGS.is_parsed)
def test_getattr(self):
self.assertFalse(self.wrapped_flags.is_parsed())
with test.mock.patch.object(sys, 'argv', new=['program', '--test=new']):
self.assertEqual('new', self.wrapped_flags.test)
self.assertTrue(self.wrapped_flags.is_parsed())
def test_setattr(self):
self.assertEqual('default', self.wrapped_flags.test)
self.wrapped_flags.test = 'new'
self.assertEqual('new', self.wrapped_flags.test)
def test_delattr(self):
del self.wrapped_flags.test
self.assertNotIn('test', self.wrapped_flags)
with self.assertRaises(AttributeError):
_ = self.wrapped_flags.test
def test_dir(self):
self.assertEqual(['test'], dir(self.wrapped_flags))
def test_getitem(self):
self.assertIs(self.original_flags['test'], self.wrapped_flags['test'])
def test_setitem(self):
flag = flags.Flag(flags.ArgumentParser(), flags.ArgumentSerializer(),
'fruit', 'apple', 'the fruit type')
self.wrapped_flags['fruit'] = flag
self.assertIs(self.original_flags['fruit'], self.wrapped_flags['fruit'])
self.assertEqual('apple', self.wrapped_flags.fruit)
def test_len(self):
self.assertEqual(1, len(self.wrapped_flags))
def test_iter(self):
self.assertEqual(['test'], list(self.wrapped_flags))
def test_str(self):
self.assertEqual(str(self.wrapped_flags), str(self.original_flags))
def test_call(self):
self.wrapped_flags(['program', '--test=new'])
self.assertEqual('new', self.wrapped_flags.test)
def test_keyword_arguments(self):
test_cases = (
('old_string', 'default'),
('new_string', 'default'),
('old_integer', 1),
('new_integer', 1),
('old_float', 1.5),
('new_float', 1.5),
('old_bool', True),
('new_bool', True),
('old_boolean', False),
('new_boolean', False),
)
for flag_name, default_value in test_cases:
self.assertEqual(default_value, absl_flags.FLAGS[flag_name].default)
self.assertEqual('docstring', absl_flags.FLAGS[flag_name].help)
if __name__ == '__main__':
unittest.main()
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