d6d1beb88c
This still doesn't catch the issue that [1] fixes, but it's probably a good idea anyway. [1]: https://android-review.googlesource.com/#/c/143469/ Change-Id: Iaa607ec7450d605b26114bd81ea41a14c6613c0e
110 lines
3.4 KiB
Python
110 lines
3.4 KiB
Python
#
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# Copyright (C) 2015 The Android Open Source Project
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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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# http://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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#
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import os
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import tempfile
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import time
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import unittest
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import zipfile
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import common
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def random_string_with_holes(size, block_size, step_size):
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data = ["\0"] * size
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for begin in range(0, size, step_size):
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end = begin + block_size
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data[begin:end] = os.urandom(block_size)
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return "".join(data)
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class CommonZipTest(unittest.TestCase):
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def _test_ZipWrite(self, contents, extra_zipwrite_args=None):
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extra_zipwrite_args = dict(extra_zipwrite_args or {})
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test_file = tempfile.NamedTemporaryFile(delete=False)
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zip_file = tempfile.NamedTemporaryFile(delete=False)
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test_file_name = test_file.name
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zip_file_name = zip_file.name
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# File names within an archive strip the leading slash.
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arcname = extra_zipwrite_args.get("arcname", test_file_name)
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if arcname[0] == "/":
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arcname = arcname[1:]
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zip_file.close()
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zip_file = zipfile.ZipFile(zip_file_name, "w")
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try:
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test_file.write(contents)
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test_file.close()
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old_stat = os.stat(test_file_name)
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expected_mode = extra_zipwrite_args.get("perms", 0o644)
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time.sleep(5) # Make sure the atime/mtime will change measurably.
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common.ZipWrite(zip_file, test_file_name, **extra_zipwrite_args)
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new_stat = os.stat(test_file_name)
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self.assertEqual(int(old_stat.st_mode), int(new_stat.st_mode))
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self.assertEqual(int(old_stat.st_mtime), int(new_stat.st_mtime))
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self.assertIsNone(zip_file.testzip())
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zip_file.close()
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zip_file = zipfile.ZipFile(zip_file_name, "r")
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info = zip_file.getinfo(arcname)
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self.assertEqual(info.date_time, (2009, 1, 1, 0, 0, 0))
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mode = (info.external_attr >> 16) & 0o777
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self.assertEqual(mode, expected_mode)
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self.assertEqual(zip_file.read(arcname), contents)
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self.assertIsNone(zip_file.testzip())
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finally:
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os.remove(test_file_name)
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os.remove(zip_file_name)
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def test_ZipWrite(self):
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file_contents = os.urandom(1024)
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self._test_ZipWrite(file_contents)
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def test_ZipWrite_with_opts(self):
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file_contents = os.urandom(1024)
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self._test_ZipWrite(file_contents, {
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"arcname": "foobar",
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"perms": 0o777,
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"compress_type": zipfile.ZIP_DEFLATED,
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})
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def test_ZipWrite_large_file(self):
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kilobytes = 1024
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megabytes = 1024 * kilobytes
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gigabytes = 1024 * megabytes
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size = int(2 * gigabytes + 1)
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block_size = 4 * kilobytes
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step_size = 4 * megabytes
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file_contents = random_string_with_holes(
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size, block_size, step_size)
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self._test_ZipWrite(file_contents, {
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"compress_type": zipfile.ZIP_DEFLATED,
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})
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def test_ZipWrite_resets_ZIP64_LIMIT(self):
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default_limit = (1 << 31) - 1
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self.assertEqual(default_limit, zipfile.ZIP64_LIMIT)
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self._test_ZipWrite('')
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self.assertEqual(default_limit, zipfile.ZIP64_LIMIT)
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