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119 lines
4.2 KiB
Python
119 lines
4.2 KiB
Python
# Tests of the full ZIP64 functionality of zipfile
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# The support.requires call is the only reason for keeping this separate
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# from test_zipfile
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from test import support
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# XXX(nnorwitz): disable this test by looking for extra largfile resource
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# which doesn't exist. This test takes over 30 minutes to run in general
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# and requires more disk space than most of the buildbots.
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support.requires(
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'extralargefile',
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'test requires loads of disk-space bytes and a long time to run'
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)
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import zipfile, os, unittest
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import time
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import sys
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from io import StringIO
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from tempfile import TemporaryFile
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from test.support import TESTFN, run_unittest, requires_zlib
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TESTFN2 = TESTFN + "2"
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# How much time in seconds can pass before we print a 'Still working' message.
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_PRINT_WORKING_MSG_INTERVAL = 5 * 60
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class TestsWithSourceFile(unittest.TestCase):
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def setUp(self):
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# Create test data.
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line_gen = ("Test of zipfile line %d." % i for i in range(1000000))
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self.data = '\n'.join(line_gen).encode('ascii')
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# And write it to a file.
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fp = open(TESTFN, "wb")
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fp.write(self.data)
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fp.close()
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def zipTest(self, f, compression):
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# Create the ZIP archive.
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zipfp = zipfile.ZipFile(f, "w", compression)
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# It will contain enough copies of self.data to reach about 6GB of
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# raw data to store.
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filecount = 6*1024**3 // len(self.data)
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next_time = time.time() + _PRINT_WORKING_MSG_INTERVAL
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for num in range(filecount):
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zipfp.writestr("testfn%d" % num, self.data)
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# Print still working message since this test can be really slow
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if next_time <= time.time():
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next_time = time.time() + _PRINT_WORKING_MSG_INTERVAL
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print((
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' zipTest still writing %d of %d, be patient...' %
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(num, filecount)), file=sys.__stdout__)
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sys.__stdout__.flush()
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zipfp.close()
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# Read the ZIP archive
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zipfp = zipfile.ZipFile(f, "r", compression)
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for num in range(filecount):
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self.assertEqual(zipfp.read("testfn%d" % num), self.data)
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# Print still working message since this test can be really slow
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if next_time <= time.time():
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next_time = time.time() + _PRINT_WORKING_MSG_INTERVAL
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print((
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' zipTest still reading %d of %d, be patient...' %
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(num, filecount)), file=sys.__stdout__)
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sys.__stdout__.flush()
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zipfp.close()
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def testStored(self):
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# Try the temp file first. If we do TESTFN2 first, then it hogs
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# gigabytes of disk space for the duration of the test.
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for f in TemporaryFile(), TESTFN2:
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self.zipTest(f, zipfile.ZIP_STORED)
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@requires_zlib
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def testDeflated(self):
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# Try the temp file first. If we do TESTFN2 first, then it hogs
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# gigabytes of disk space for the duration of the test.
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for f in TemporaryFile(), TESTFN2:
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self.zipTest(f, zipfile.ZIP_DEFLATED)
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def tearDown(self):
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for fname in TESTFN, TESTFN2:
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if os.path.exists(fname):
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os.remove(fname)
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class OtherTests(unittest.TestCase):
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def testMoreThan64kFiles(self):
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# This test checks that more than 64k files can be added to an archive,
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# and that the resulting archive can be read properly by ZipFile
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zipf = zipfile.ZipFile(TESTFN, mode="w", allowZip64=False)
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zipf.debug = 100
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numfiles = (1 << 16) * 3//2
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for i in range(numfiles):
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zipf.writestr("foo%08d" % i, "%d" % (i**3 % 57))
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self.assertEqual(len(zipf.namelist()), numfiles)
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zipf.close()
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zipf2 = zipfile.ZipFile(TESTFN, mode="r")
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self.assertEqual(len(zipf2.namelist()), numfiles)
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for i in range(numfiles):
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content = zipf2.read("foo%08d" % i).decode('ascii')
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self.assertEqual(content, "%d" % (i**3 % 57))
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zipf.close()
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def tearDown(self):
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support.unlink(TESTFN)
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support.unlink(TESTFN2)
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def test_main():
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run_unittest(TestsWithSourceFile, OtherTests)
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if __name__ == "__main__":
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test_main()
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