41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
# Copyright The PyTorch Lightning team.
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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 re
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from contextlib import contextmanager
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from typing import Optional, Type
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import pytest
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@contextmanager
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def no_warning_call(expected_warning: Type[Warning] = UserWarning, match: Optional[str] = None):
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with pytest.warns(None) as record:
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yield
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if match is None:
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try:
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w = record.pop(expected_warning)
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except AssertionError:
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# no warning raised
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return
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else:
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for w in record.list:
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if w.category is expected_warning and re.compile(match).search(w.message.args[0]):
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break
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else:
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return
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msg = "A warning" if expected_warning is None else f"`{expected_warning.__name__}`"
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raise AssertionError(f"{msg} was raised: {w}")
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