107 lines
3.7 KiB
Python
107 lines
3.7 KiB
Python
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# Copyright 2020 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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"""This module customizes `test_combinations` for `tf.keras` related tests."""
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import functools
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from tensorflow.python import tf2
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from tensorflow.python.framework import combinations
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from tensorflow.python.framework import test_combinations
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from tensorflow.python.keras import testing_utils
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KERAS_MODEL_TYPES = ['functional', 'subclass', 'sequential']
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def keras_mode_combinations(mode=None, run_eagerly=None):
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"""Returns the default test combinations for tf.keras tests.
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Note that if tf2 is enabled, then v1 session test will be skipped.
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Args:
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mode: List of modes to run the tests. The valid options are 'graph' and
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'eager'. Default to ['graph', 'eager'] if not specified. If a empty list
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is provide, then the test will run under the context based on tf's
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version, eg graph for v1 and eager for v2.
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run_eagerly: List of `run_eagerly` value to be run with the tests.
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Default to [True, False] if not specified. Note that for `graph` mode,
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run_eagerly value will only be False.
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Returns:
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A list contains all the combinations to be used to generate test cases.
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"""
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if mode is None:
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mode = ['eager'] if tf2.enabled() else ['graph', 'eager']
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if run_eagerly is None:
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run_eagerly = [True, False]
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result = []
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if 'eager' in mode:
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result += combinations.combine(mode=['eager'], run_eagerly=run_eagerly)
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if 'graph' in mode:
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result += combinations.combine(mode=['graph'], run_eagerly=[False])
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return result
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def keras_model_type_combinations():
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return combinations.combine(model_type=KERAS_MODEL_TYPES)
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class KerasModeCombination(test_combinations.TestCombination):
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"""Combination for Keras test mode.
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It by default includes v1_session, v2_eager and v2_tf_function.
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"""
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def context_managers(self, kwargs):
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run_eagerly = kwargs.pop('run_eagerly', None)
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if run_eagerly is not None:
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return [testing_utils.run_eagerly_scope(run_eagerly)]
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else:
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return []
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def parameter_modifiers(self):
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return [test_combinations.OptionalParameter('run_eagerly')]
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class KerasModelTypeCombination(test_combinations.TestCombination):
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"""Combination for Keras model types when doing model test.
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It by default includes 'functional', 'subclass', 'sequential'.
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Various methods in `testing_utils` to get models will auto-generate a model
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of the currently active Keras model type. This allows unittests to confirm
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the equivalence between different Keras models.
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"""
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def context_managers(self, kwargs):
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model_type = kwargs.pop('model_type', None)
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if model_type in KERAS_MODEL_TYPES:
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return [testing_utils.model_type_scope(model_type)]
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else:
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return []
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def parameter_modifiers(self):
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return [test_combinations.OptionalParameter('model_type')]
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_defaults = combinations.generate.keywords['test_combinations']
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generate = functools.partial(
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combinations.generate,
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test_combinations=_defaults +
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(KerasModeCombination(), KerasModelTypeCombination()))
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combine = test_combinations.combine
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times = test_combinations.times
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NamedObject = test_combinations.NamedObject
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