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597c209fa1
Summary: Unawaited coroutines are pernicious and not errors by default. In advance of enabling asynchronous tests, fail our tests when Python warnings are shown. We record warnings and report them after the test body instead of enabling an "error" warning filter because exceptions thrown by finalizers are silently swallowed, and most important warnings occur during finalization. Reviewed By: genevievehelsel Differential Revision: D21955210 fbshipit-source-id: b1fc52ddfa9f9befbde6800f85f090862af0ef15
76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) Facebook, Inc. and its affiliates.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2.
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import hashlib
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import os
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from typing import Dict
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from .lib import testcase
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def getallxattrs(abspath: str) -> Dict[str, bytes]:
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result = {}
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for xattr in os.listxattr(abspath):
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result[xattr] = os.getxattr(abspath, xattr)
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return result
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def sha1(value: bytes) -> bytes:
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return hashlib.sha1(value).hexdigest().encode("ascii")
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@testcase.eden_repo_test
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class XattrTest(testcase.EdenRepoTest):
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def populate_repo(self) -> None:
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self.repo.write_file("hello", "hola\n")
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self.repo.write_file("subdir/file", "contents")
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self.repo.commit("Initial commit.")
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def test_get_sha1_xattr(self) -> None:
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filename = os.path.join(self.mount, "hello")
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xattr = os.getxattr(filename, "user.sha1")
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with open(filename, "rb") as f:
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contents = f.read()
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expected_sha1 = sha1(contents)
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self.assertEqual(expected_sha1, xattr)
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# and test what happens as we replace the file contents.
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with open(filename, "w") as f:
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f.write("foo")
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f.flush()
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self.assertEqual(sha1(b"foo"), os.getxattr(filename, "user.sha1"))
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f.write("bar")
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f.flush()
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self.assertEqual(sha1(b"foobar"), os.getxattr(filename, "user.sha1"))
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f.write("baz")
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self.assertEqual(sha1(b"foobarbaz"), os.getxattr(filename, "user.sha1"))
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def test_listxattr(self) -> None:
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# Assert that listxattr on a directory is empty and does not break
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# future listxattr calls.
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self.assertEqual([], os.listxattr(os.path.join(self.mount, "subdir")))
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filename = os.path.join(self.mount, "hello")
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xattrs = getallxattrs(filename)
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with open(filename, "rb") as f:
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contents = f.read()
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expected_sha1 = sha1(contents)
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self.assertEqual({}, xattrs)
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def test_get_sha1_xattr_succeeds_after_querying_xattr_on_dir(self) -> None:
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with self.assertRaises(OSError):
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os.getxattr(self.mount, "does_not_exist")
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filename = os.path.join(self.mount, "hello")
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xattr = os.getxattr(filename, "user.sha1")
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with open(filename, "rb") as f:
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contents = f.read()
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expected_sha1 = sha1(contents)
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self.assertEqual(expected_sha1, xattr)
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