9277bb73a9
Made tf.flags.FLAGS a wrapper of absl.flags.FLAGS, when the flag is access, parse flags implicitly with sys.argv if not yet. PiperOrigin-RevId: 179068530
127 lines
4.3 KiB
Python
127 lines
4.3 KiB
Python
# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ==============================================================================
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"""Sanity tests for tf.flags."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import sys
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import unittest
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from absl import flags as absl_flags
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from tensorflow.python.platform import flags
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from tensorflow.python.platform import test
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flags.DEFINE_string(
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flag_name='old_string', default_value='default', docstring='docstring')
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flags.DEFINE_string(
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name='new_string', default='default', help='docstring')
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flags.DEFINE_integer(
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flag_name='old_integer', default_value=1, docstring='docstring')
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flags.DEFINE_integer(
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name='new_integer', default=1, help='docstring')
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flags.DEFINE_float(
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flag_name='old_float', default_value=1.5, docstring='docstring')
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flags.DEFINE_float(
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name='new_float', default=1.5, help='docstring')
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flags.DEFINE_bool(
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flag_name='old_bool', default_value=True, docstring='docstring')
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flags.DEFINE_bool(
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name='new_bool', default=True, help='docstring')
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flags.DEFINE_boolean(
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flag_name='old_boolean', default_value=False, docstring='docstring')
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flags.DEFINE_boolean(
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name='new_boolean', default=False, help='docstring')
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class FlagsTest(unittest.TestCase):
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def setUp(self):
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self.original_flags = flags.FlagValues()
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self.wrapped_flags = flags._FlagValuesWrapper(self.original_flags)
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flags.DEFINE_string(
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'test', 'default', 'test flag', flag_values=self.wrapped_flags)
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def test_attribute_overrides(self):
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# Test that methods defined in absl.flags.FlagValues are the same as the
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# wrapped ones.
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self.assertEqual(flags.FLAGS.is_parsed, absl_flags.FLAGS.is_parsed)
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def test_getattr(self):
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self.assertFalse(self.wrapped_flags.is_parsed())
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with test.mock.patch.object(sys, 'argv', new=['program', '--test=new']):
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self.assertEqual('new', self.wrapped_flags.test)
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self.assertTrue(self.wrapped_flags.is_parsed())
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def test_setattr(self):
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self.assertEqual('default', self.wrapped_flags.test)
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self.wrapped_flags.test = 'new'
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self.assertEqual('new', self.wrapped_flags.test)
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def test_delattr(self):
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del self.wrapped_flags.test
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self.assertNotIn('test', self.wrapped_flags)
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with self.assertRaises(AttributeError):
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_ = self.wrapped_flags.test
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def test_dir(self):
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self.assertEqual(['test'], dir(self.wrapped_flags))
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def test_getitem(self):
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self.assertIs(self.original_flags['test'], self.wrapped_flags['test'])
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def test_setitem(self):
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flag = flags.Flag(flags.ArgumentParser(), flags.ArgumentSerializer(),
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'fruit', 'apple', 'the fruit type')
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self.wrapped_flags['fruit'] = flag
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self.assertIs(self.original_flags['fruit'], self.wrapped_flags['fruit'])
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self.assertEqual('apple', self.wrapped_flags.fruit)
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def test_len(self):
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self.assertEqual(1, len(self.wrapped_flags))
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def test_iter(self):
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self.assertEqual(['test'], list(self.wrapped_flags))
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def test_str(self):
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self.assertEqual(str(self.wrapped_flags), str(self.original_flags))
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def test_call(self):
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self.wrapped_flags(['program', '--test=new'])
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self.assertEqual('new', self.wrapped_flags.test)
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def test_keyword_arguments(self):
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test_cases = (
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('old_string', 'default'),
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('new_string', 'default'),
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('old_integer', 1),
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('new_integer', 1),
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('old_float', 1.5),
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('new_float', 1.5),
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('old_bool', True),
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('new_bool', True),
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('old_boolean', False),
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('new_boolean', False),
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)
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for flag_name, default_value in test_cases:
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self.assertEqual(default_value, absl_flags.FLAGS[flag_name].default)
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self.assertEqual('docstring', absl_flags.FLAGS[flag_name].help)
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if __name__ == '__main__':
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unittest.main()
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