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ba557d5e1b
See https://opensource.google/documentation/reference/releasing/contributions#copyright for more details. PiperOrigin-RevId: 476167538
86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
# Copyright 2021 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.experimental.compilation_cache.gfile_cache import GFileCache
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import jax._src.test_util as jtu
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import tempfile
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import threading
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class FileSystemCacheTest(jtu.JaxTestCase):
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def test_get_nonexistent_key(self):
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with tempfile.TemporaryDirectory() as tmpdir:
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cache = GFileCache(tmpdir)
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self.assertEqual(cache.get("nonExistentKey"), None)
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def test_put_and_get_key(self):
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with tempfile.TemporaryDirectory() as tmpdir:
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cache = GFileCache(tmpdir)
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cache.put("foo", b"bar")
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self.assertEqual(cache.get("foo"), b"bar")
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def test_existing_cache_path(self):
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with tempfile.TemporaryDirectory() as tmpdir:
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cache1 = GFileCache(tmpdir)
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cache1.put("foo", b"bar")
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del cache1
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cache2 = GFileCache(tmpdir)
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self.assertEqual(cache2.get("foo"), b"bar")
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def test_empty_value_put(self):
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with tempfile.TemporaryDirectory() as tmpdir:
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cache = GFileCache(tmpdir)
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cache.put("foo", b"")
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self.assertEqual(cache.get("foo"), b"")
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def test_empty_key_put(self):
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with tempfile.TemporaryDirectory() as tmpdir:
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cache = GFileCache(tmpdir)
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with self.assertRaisesRegex(ValueError , r"key cannot be empty"):
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cache.put("", b"bar")
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def test_empty_key_get(self):
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with tempfile.TemporaryDirectory() as tmpdir:
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cache = GFileCache(tmpdir)
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with self.assertRaisesRegex(ValueError , r"key cannot be empty"):
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cache.get("")
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def test_threads(self):
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file_contents1 = "1" * (65536 + 1)
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file_contents2 = "2" * (65536 + 1)
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def call_multiple_puts_and_gets(cache):
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for i in range(50):
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cache.put("foo", file_contents1.encode('utf-8').strip())
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cache.put("foo", file_contents2.encode('utf-8').strip())
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cache.get("foo")
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self.assertEqual(cache.get("foo"), file_contents2.encode('utf-8').strip())
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with tempfile.TemporaryDirectory() as tmpdir:
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cache = GFileCache(tmpdir)
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threads = []
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for i in range(50):
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t = threading.Thread(target=call_multiple_puts_and_gets(cache))
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t.start()
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threads.append(t)
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for t in threads:
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t.join()
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self.assertEqual(cache.get("foo"), file_contents2.encode('utf-8').strip())
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if __name__ == "__main__":
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absltest.main(testLoader=jtu.JaxTestLoader())
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