| Andrew Grieve | 60efd26f | 2023-04-17 16:19:07 | [diff] [blame] | 1 | #!/usr/bin/env python3 |
| 2 | # Copyright 2023 The Chromium Authors |
| 3 | # Use of this source code is governed by a BSD-style license that can be |
| 4 | # found in the LICENSE file. |
| 5 | |
| 6 | import os |
| 7 | import pathlib |
| 8 | import shutil |
| 9 | import sys |
| 10 | import tempfile |
| 11 | import unittest |
| 12 | import zipfile |
| 13 | |
| 14 | import zip_helpers |
| 15 | |
| 16 | |
| 17 | def _make_test_zips(tmp_dir, create_conflct=False): |
| 18 | zip1 = os.path.join(tmp_dir, 'A.zip') |
| 19 | zip2 = os.path.join(tmp_dir, 'B.zip') |
| 20 | with zipfile.ZipFile(zip1, 'w') as z: |
| 21 | z.writestr('file1', 'AAAAA') |
| 22 | z.writestr('file2', 'BBBBB') |
| 23 | with zipfile.ZipFile(zip2, 'w') as z: |
| 24 | z.writestr('file2', 'ABABA' if create_conflct else 'BBBBB') |
| 25 | z.writestr('file3', 'CCCCC') |
| 26 | return zip1, zip2 |
| 27 | |
| 28 | |
| 29 | class ZipHelpersTest(unittest.TestCase): |
| 30 | def test_merge_zips__identical_file(self): |
| 31 | with tempfile.TemporaryDirectory() as tmp_dir: |
| 32 | zip1, zip2 = _make_test_zips(tmp_dir) |
| 33 | |
| 34 | merged_zip = os.path.join(tmp_dir, 'merged.zip') |
| 35 | zip_helpers.merge_zips(merged_zip, [zip1, zip2]) |
| 36 | |
| 37 | with zipfile.ZipFile(merged_zip) as z: |
| 38 | self.assertEqual(z.namelist(), ['file1', 'file2', 'file3']) |
| 39 | |
| 40 | def test_merge_zips__conflict(self): |
| 41 | with tempfile.TemporaryDirectory() as tmp_dir: |
| 42 | zip1, zip2 = _make_test_zips(tmp_dir, create_conflct=True) |
| 43 | |
| 44 | merged_zip = os.path.join(tmp_dir, 'merged.zip') |
| 45 | with self.assertRaises(Exception): |
| 46 | zip_helpers.merge_zips(merged_zip, [zip1, zip2]) |
| 47 | |
| 48 | def test_merge_zips__conflict_with_append(self): |
| 49 | with tempfile.TemporaryDirectory() as tmp_dir: |
| 50 | zip1, zip2 = _make_test_zips(tmp_dir, create_conflct=True) |
| 51 | |
| 52 | with self.assertRaises(Exception): |
| 53 | with zipfile.ZipFile(zip1, 'a') as dst_zip: |
| 54 | zip_helpers.merge_zips(dst_zip, [zip2]) |
| 55 | |
| 56 | |
| 57 | if __name__ == '__main__': |
| 58 | unittest.main() |