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Sufficiently corrupt files for tests (fixes #5438)

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Milkey Mouse 2020-11-02 19:10:46 -08:00
parent 67c63c2961
commit 19ad4b08f1
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GPG key ID: C6EF5A02F5647987
1 changed files with 5 additions and 3 deletions
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8
src/borg/testsuite/archiver.py
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@ -3495,10 +3495,12 @@ class ArchiverCorruptionTestCase(ArchiverTestCaseBase):
self.cmd('init', '--encryption=repokey', self.repository_location)
self.cache_path = json.loads(self.cmd('info', self.repository_location, '--json'))['cache']['path']
def corrupt(self, file):
def corrupt(self, file, amount=1):
with open(file, 'r+b') as fd:
fd.seek(-1, io.SEEK_END)
fd.write(b'1')
fd.seek(-amount, io.SEEK_END)
corrupted = bytes(255-c for c in fd.read(amount))
fd.seek(-amount, io.SEEK_END)
fd.write(corrupted)
def test_cache_chunks(self):
self.corrupt(os.path.join(self.cache_path, 'chunks'))