mirror of https://github.com/borgbackup/borg.git
118 lines
3.9 KiB
Python
118 lines
3.9 KiB
Python
import filecmp
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import os
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import posix
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import sys
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import sysconfig
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import time
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import unittest
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from attic.helpers import st_mtime_ns
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from attic.xattr import get_all
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try:
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import llfuse
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# Does this version of llfuse support ns precision?
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have_fuse_mtime_ns = hasattr(llfuse.EntryAttributes, 'st_mtime_ns')
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except ImportError:
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have_fuse_mtime_ns = False
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# The mtime get/set precison varies on different OS and Python versions
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if 'HAVE_FUTIMENS' in getattr(posix, '_have_functions', []):
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st_mtime_ns_round = 0
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elif 'HAVE_UTIMES' in sysconfig.get_config_vars():
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st_mtime_ns_round = -6
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else:
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st_mtime_ns_round = -9
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has_mtime_ns = sys.version >= '3.3'
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utime_supports_fd = os.utime in getattr(os, 'supports_fd', {})
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class AtticTestCase(unittest.TestCase):
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"""
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"""
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assert_in = unittest.TestCase.assertIn
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assert_not_in = unittest.TestCase.assertNotIn
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assert_equal = unittest.TestCase.assertEqual
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assert_not_equal = unittest.TestCase.assertNotEqual
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assert_raises = unittest.TestCase.assertRaises
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def _get_xattrs(self, path):
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try:
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return get_all(path, follow_symlinks=False)
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except EnvironmentError:
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return {}
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def assert_dirs_equal(self, dir1, dir2):
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diff = filecmp.dircmp(dir1, dir2)
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self._assert_dirs_equal_cmp(diff)
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def _assert_dirs_equal_cmp(self, diff):
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self.assert_equal(diff.left_only, [])
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self.assert_equal(diff.right_only, [])
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self.assert_equal(diff.diff_files, [])
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self.assert_equal(diff.funny_files, [])
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for filename in diff.common:
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path1 = os.path.join(diff.left, filename)
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path2 = os.path.join(diff.right, filename)
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s1 = os.lstat(path1)
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s2 = os.lstat(path2)
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# Assume path2 is on FUSE if st_dev is different
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fuse = s1.st_dev != s2.st_dev
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attrs = ['st_mode', 'st_uid', 'st_gid', 'st_rdev']
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if not fuse or not os.path.isdir(path1):
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# dir nlink is always 1 on our fuse fileystem
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attrs.append('st_nlink')
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d1 = [filename] + [getattr(s1, a) for a in attrs]
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d2 = [filename] + [getattr(s2, a) for a in attrs]
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if not os.path.islink(path1) or utime_supports_fd:
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# Older versions of llfuse does not support ns precision properly
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if fuse and not have_fuse_mtime_ns:
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d1.append(round(st_mtime_ns(s1), -4))
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d2.append(round(st_mtime_ns(s2), -4))
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d1.append(round(st_mtime_ns(s1), st_mtime_ns_round))
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d2.append(round(st_mtime_ns(s2), st_mtime_ns_round))
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d1.append(self._get_xattrs(path1))
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d2.append(self._get_xattrs(path2))
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self.assert_equal(d1, d2)
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for sub_diff in diff.subdirs.values():
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self._assert_dirs_equal_cmp(sub_diff)
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def wait_for_mount(self, path, timeout=5):
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"""Wait until a filesystem is mounted on `path`
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"""
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timeout += time.time()
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while timeout > time.time():
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if os.path.ismount(path):
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return
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time.sleep(.1)
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raise Exception('wait_for_mount(%s) timeout' % path)
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def get_tests(suite):
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"""Generates a sequence of tests from a test suite
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"""
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for item in suite:
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try:
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# TODO: This could be "yield from..." with Python 3.3+
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for i in get_tests(item):
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yield i
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except TypeError:
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yield item
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class TestLoader(unittest.TestLoader):
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"""A customzied test loader that properly detects and filters our test cases
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"""
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def loadTestsFromName(self, pattern, module=None):
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suite = self.discover('attic.testsuite', '*.py')
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tests = unittest.TestSuite()
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for test in get_tests(suite):
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if pattern.lower() in test.id().lower():
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tests.addTest(test)
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return tests
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