def test_checksum_mismatch(self):
with self.get_pack_data(pack1_sha) as data:
index = self.get_pack_index(pack1_sha)
Pack.from_objects(data, index).check_length_and_checksum()
data._file.seek(0)
bad_file = BytesIO(data._file.read()[:-20] + ('\xff' * 20))
bad_data = PackData('', file=bad_file)
bad_pack = Pack.from_lazy_objects(lambda: bad_data, lambda: index)
self.assertRaises(ChecksumMismatch, lambda: bad_pack.data)
self.assertRaises(ChecksumMismatch, lambda:
bad_pack.check_length_and_checksum())
def test_checksum_mismatch(self):
data = self.get_pack_data(pack1_sha)
index = self.get_pack_index(pack1_sha)
Pack.from_objects(data, index).check_length_and_checksum()
data._file.seek(0)
bad_file = BytesIO(data._file.read()[:-20] + ('\xff' * 20))
bad_data = PackData('', file=bad_file)
bad_pack = Pack.from_lazy_objects(lambda: bad_data, lambda: index)
self.assertRaises(ChecksumMismatch, lambda: bad_pack.data)
self.assertRaises(ChecksumMismatch, lambda:
bad_pack.check_length_and_checksum())
def test_checksum_mismatch(self):
with self.get_pack_data(pack1_sha) as data:
index = self.get_pack_index(pack1_sha)
with Pack.from_objects(data, index) as p:
p.check_length_and_checksum()
data._file.seek(0)
with BytesIO(data._file.read()[:-20] + (b'\xff' * 20)) as bad_file:
with PackData('', file=bad_file) as bad_data:
with Pack.from_lazy_objects(lambda: bad_data, lambda: index) as bad_pack:
self.assertRaises(ChecksumMismatch, lambda: bad_pack.data)
self.assertRaises(ChecksumMismatch, lambda:
bad_pack.check_length_and_checksum())
def test_length_mismatch(self):
data = self.get_pack_data(pack1_sha)
index = self.get_pack_index(pack1_sha)
Pack.from_objects(data, index).check_length_and_checksum()
data._file.seek(12)
bad_file = BytesIO()
write_pack_header(bad_file, 9999)
bad_file.write(data._file.read())
bad_file = BytesIO(bad_file.getvalue())
bad_data = PackData('', file=bad_file)
bad_pack = Pack.from_lazy_objects(lambda: bad_data, lambda: index)
self.assertRaises(AssertionError, lambda: bad_pack.data)
self.assertRaises(AssertionError,
lambda: bad_pack.check_length_and_checksum())
def test_length_mismatch(self):
with self.get_pack_data(pack1_sha) as data:
index = self.get_pack_index(pack1_sha)
Pack.from_objects(data, index).check_length_and_checksum()
data._file.seek(12)
bad_file = BytesIO()
write_pack_header(bad_file, 9999)
bad_file.write(data._file.read())
bad_file = BytesIO(bad_file.getvalue())
bad_data = PackData('', file=bad_file)
bad_pack = Pack.from_lazy_objects(lambda: bad_data, lambda: index)
self.assertRaises(AssertionError, lambda: bad_pack.data)
self.assertRaises(AssertionError,
lambda: bad_pack.check_length_and_checksum())
def _get_packs(self) -> List[Pack]:
packs = []
packs_info_bytes = self._http_get("objects/info/packs")
packs_info = packs_info_bytes.read().decode()
for pack_info in packs_info.split("\n"):
if pack_info:
pack_name = pack_info.split(" ")[1]
pack_idx_name = pack_name.replace(".pack", ".idx")
# pack index and data file will be lazily fetched when required
packs.append(
Pack.from_lazy_objects(
self._get_pack_data(pack_name),
self._get_pack_idx(pack_idx_name),
))
return packs
def test_length_mismatch(self):
with self.get_pack_data(pack1_sha) as data:
index = self.get_pack_index(pack1_sha)
with Pack.from_objects(data, index) as p:
p.check_length_and_checksum()
data._file.seek(12)
with BytesIO() as bad_file:
write_pack_header(bad_file, 9999)
bad_file.write(data._file.read())
with BytesIO(bad_file.getvalue()) as badder_file:
with PackData('', file=badder_file) as bad_data:
with Pack.from_lazy_objects(lambda: bad_data, lambda: index) as bad_pack:
self.assertRaises(AssertionError, lambda: bad_pack.data)
self.assertRaises(AssertionError,
lambda: bad_pack.check_length_and_checksum())
