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b06779b177
The Python warnings.catch_warnings() functionality is not thread-safe (https://py-free-threading.github.io/porting/#the-warnings-module-is-not-thread-safe), so we cannot use it during tests that use free-threading. This change introduces a private warnings test helper (test_warning_util.py), which hooks the CPython warning infrastructure and uses it to implement thread-safe warnings infrastructure. This requires a handful of small modifications to tests to remove direct uses of the warnings module. We also sadly have to delete one TPU test that checks for a warning raised on another thread; there's no easy way for us to catch that in a thread-safe way, but that test seems like overkill anyway.
58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
# Copyright 2022 The JAX Authors.
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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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# https://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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from absl.testing import absltest
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from jax._src import deprecations
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from jax._src import test_util as jtu
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from jax._src import test_warning_util
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from jax._src.internal_test_util import deprecation_module as m
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class DeprecationTest(absltest.TestCase):
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def testModuleDeprecation(self):
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with test_warning_util.raise_on_warnings():
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self.assertEqual(m.x, 42)
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with self.assertWarnsRegex(DeprecationWarning, "Please use x"):
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self.assertEqual(m.y, 101)
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with self.assertRaisesRegex(AttributeError, "Please do not use z"):
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_ = m.z
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with self.assertRaisesRegex(AttributeError,
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"module .* has no attribute 'w'"):
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_ = m.w
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def testNamedDeprecation(self):
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some_unique_id = "some-unique-id"
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try:
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deprecations.register(some_unique_id)
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self.assertFalse(deprecations.is_accelerated(some_unique_id))
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deprecations.accelerate(some_unique_id)
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self.assertTrue(deprecations.is_accelerated(some_unique_id))
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finally:
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deprecations.unregister(some_unique_id)
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msg = f"deprecation_id={some_unique_id!r} not registered"
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with self.assertRaisesRegex(ValueError, msg):
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deprecations.accelerate(some_unique_id)
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with self.assertRaisesRegex(ValueError, msg):
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deprecations.is_accelerated(some_unique_id)
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with self.assertRaisesRegex(ValueError, msg):
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deprecations.unregister(some_unique_id)
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if __name__ == "__main__":
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absltest.main(testLoader=jtu.JaxTestLoader())
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