wehub-resource-sync
64 lines
1.7 KiB
Python
64 lines
1.7 KiB
Python
# Copyright (c) 2021 PaddlePaddle 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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import unittest
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import warnings
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from dygraph_to_static_utils import (
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Dy2StTestBase,
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test_ast_only,
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)
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import paddle
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def fun1():
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a = paddle.to_tensor(1)
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b = paddle.to_tensor(2)
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if a > b:
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b = paddle.to_tensor(3)
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else:
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b = None
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def true_fn():
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return [paddle.to_tensor(1), [paddle.to_tensor(2), paddle.to_tensor(3)]]
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def false_fn():
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return [paddle.to_tensor(3), [None, paddle.to_tensor(4)]]
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class TestReturnNoneInIfelse(Dy2StTestBase):
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@test_ast_only
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def test_dy2static_warning(self):
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paddle.disable_static()
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with warnings.catch_warnings(record=True) as w:
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warnings.simplefilter("always")
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paddle.jit.to_static(fun1)()
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flag = False
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for warn in w:
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if (
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(issubclass(warn.category, UserWarning))
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and "Set var to 'None' in ifelse block might lead to error."
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in str(warn.message)
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):
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flag = True
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break
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self.assertTrue(flag)
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if __name__ == '__main__':
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unittest.main()
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