diff options
-rw-r--r-- | Lib/test/test_zipfile.py | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py index 8dae2eb..211a5ae 100644 --- a/Lib/test/test_zipfile.py +++ b/Lib/test/test_zipfile.py @@ -462,7 +462,9 @@ class AbstractTestZip64InSmallFiles: def setUp(self): self._limit = zipfile.ZIP64_LIMIT - zipfile.ZIP64_LIMIT = 5 + self._filecount_limit = zipfile.ZIP_FILECOUNT_LIMIT + zipfile.ZIP64_LIMIT = 1000 + zipfile.ZIP_FILECOUNT_LIMIT = 9 # Make a source file with some lines with open(TESTFN, "wb") as fp: @@ -529,8 +531,67 @@ class AbstractTestZip64InSmallFiles: for f in get_files(self): self.zip_test(f, self.compression) + def test_too_many_files(self): + # This test checks that more than 64k files can be added to an archive, + # and that the resulting archive can be read properly by ZipFile + zipf = zipfile.ZipFile(TESTFN, "w", self.compression, + allowZip64=True) + zipf.debug = 100 + numfiles = 15 + for i in range(numfiles): + zipf.writestr("foo%08d" % i, "%d" % (i**3 % 57)) + self.assertEqual(len(zipf.namelist()), numfiles) + zipf.close() + + zipf2 = zipfile.ZipFile(TESTFN, "r", self.compression) + self.assertEqual(len(zipf2.namelist()), numfiles) + for i in range(numfiles): + content = zipf2.read("foo%08d" % i).decode('ascii') + self.assertEqual(content, "%d" % (i**3 % 57)) + zipf2.close() + + def test_too_many_files_append(self): + zipf = zipfile.ZipFile(TESTFN, "w", self.compression, + allowZip64=False) + zipf.debug = 100 + numfiles = 9 + for i in range(numfiles): + zipf.writestr("foo%08d" % i, "%d" % (i**3 % 57)) + self.assertEqual(len(zipf.namelist()), numfiles) + with self.assertRaises(zipfile.LargeZipFile): + zipf.writestr("foo%08d" % numfiles, b'') + self.assertEqual(len(zipf.namelist()), numfiles) + zipf.close() + + zipf = zipfile.ZipFile(TESTFN, "a", self.compression, + allowZip64=False) + zipf.debug = 100 + self.assertEqual(len(zipf.namelist()), numfiles) + with self.assertRaises(zipfile.LargeZipFile): + zipf.writestr("foo%08d" % numfiles, b'') + self.assertEqual(len(zipf.namelist()), numfiles) + zipf.close() + + zipf = zipfile.ZipFile(TESTFN, "a", self.compression, + allowZip64=True) + zipf.debug = 100 + self.assertEqual(len(zipf.namelist()), numfiles) + numfiles2 = 15 + for i in range(numfiles, numfiles2): + zipf.writestr("foo%08d" % i, "%d" % (i**3 % 57)) + self.assertEqual(len(zipf.namelist()), numfiles2) + zipf.close() + + zipf2 = zipfile.ZipFile(TESTFN, "r", self.compression) + self.assertEqual(len(zipf2.namelist()), numfiles2) + for i in range(numfiles2): + content = zipf2.read("foo%08d" % i).decode('ascii') + self.assertEqual(content, "%d" % (i**3 % 57)) + zipf2.close() + def tearDown(self): zipfile.ZIP64_LIMIT = self._limit + zipfile.ZIP_FILECOUNT_LIMIT = self._filecount_limit unlink(TESTFN) unlink(TESTFN2) |