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420 lines
14 KiB
Python
420 lines
14 KiB
Python
# We can test part of the module without zlib.
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try:
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import zlib
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except ImportError:
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zlib = None
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import zipfile, os, unittest, sys, shutil
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from StringIO import StringIO
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from tempfile import TemporaryFile
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from test.test_support import TESTFN, run_unittest
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TESTFN2 = TESTFN + "2"
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class TestsWithSourceFile(unittest.TestCase):
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def setUp(self):
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line_gen = ("Test of zipfile line %d." % i for i in range(0, 1000))
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self.data = '\n'.join(line_gen)
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# Make a source file with some lines
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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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zipfp.write(TESTFN, "another"+os.extsep+"name")
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zipfp.write(TESTFN, TESTFN)
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zipfp.writestr("strfile", self.data)
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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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self.assertEqual(zipfp.read(TESTFN), self.data)
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self.assertEqual(zipfp.read("another"+os.extsep+"name"), self.data)
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self.assertEqual(zipfp.read("strfile"), self.data)
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# Print the ZIP directory
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fp = StringIO()
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stdout = sys.stdout
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try:
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sys.stdout = fp
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zipfp.printdir()
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finally:
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sys.stdout = stdout
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directory = fp.getvalue()
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lines = directory.splitlines()
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self.assertEquals(len(lines), 4) # Number of files + header
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self.assert_('File Name' in lines[0])
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self.assert_('Modified' in lines[0])
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self.assert_('Size' in lines[0])
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fn, date, time, size = lines[1].split()
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self.assertEquals(fn, 'another.name')
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# XXX: timestamp is not tested
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self.assertEquals(size, str(len(self.data)))
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# Check the namelist
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names = zipfp.namelist()
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self.assertEquals(len(names), 3)
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self.assert_(TESTFN in names)
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self.assert_("another"+os.extsep+"name" in names)
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self.assert_("strfile" in names)
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# Check infolist
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infos = zipfp.infolist()
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names = [ i.filename for i in infos ]
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self.assertEquals(len(names), 3)
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self.assert_(TESTFN in names)
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self.assert_("another"+os.extsep+"name" in names)
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self.assert_("strfile" in names)
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for i in infos:
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self.assertEquals(i.file_size, len(self.data))
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# check getinfo
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for nm in (TESTFN, "another"+os.extsep+"name", "strfile"):
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info = zipfp.getinfo(nm)
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self.assertEquals(info.filename, nm)
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self.assertEquals(info.file_size, len(self.data))
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# Check that testzip doesn't raise an exception
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zipfp.testzip()
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zipfp.close()
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def testStored(self):
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for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zipTest(f, zipfile.ZIP_STORED)
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if zlib:
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def testDeflated(self):
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for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zipTest(f, zipfile.ZIP_DEFLATED)
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def testAbsoluteArcnames(self):
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zipfp = zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED)
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zipfp.write(TESTFN, "/absolute")
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zipfp.close()
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zipfp = zipfile.ZipFile(TESTFN2, "r", zipfile.ZIP_STORED)
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self.assertEqual(zipfp.namelist(), ["absolute"])
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zipfp.close()
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def tearDown(self):
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os.remove(TESTFN)
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os.remove(TESTFN2)
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class TestZip64InSmallFiles(unittest.TestCase):
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# These tests test the ZIP64 functionality without using large files,
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# see test_zipfile64 for proper tests.
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def setUp(self):
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self._limit = zipfile.ZIP64_LIMIT
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zipfile.ZIP64_LIMIT = 5
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line_gen = ("Test of zipfile line %d." % i for i in range(0, 1000))
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self.data = '\n'.join(line_gen)
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# Make a source file with some lines
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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 largeFileExceptionTest(self, f, compression):
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zipfp = zipfile.ZipFile(f, "w", compression)
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self.assertRaises(zipfile.LargeZipFile,
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zipfp.write, TESTFN, "another"+os.extsep+"name")
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zipfp.close()
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def largeFileExceptionTest2(self, f, compression):
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zipfp = zipfile.ZipFile(f, "w", compression)
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self.assertRaises(zipfile.LargeZipFile,
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zipfp.writestr, "another"+os.extsep+"name", self.data)
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zipfp.close()
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def testLargeFileException(self):
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for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.largeFileExceptionTest(f, zipfile.ZIP_STORED)
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self.largeFileExceptionTest2(f, zipfile.ZIP_STORED)
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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, allowZip64=True)
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zipfp.write(TESTFN, "another"+os.extsep+"name")
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zipfp.write(TESTFN, TESTFN)
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zipfp.writestr("strfile", self.data)
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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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self.assertEqual(zipfp.read(TESTFN), self.data)
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self.assertEqual(zipfp.read("another"+os.extsep+"name"), self.data)
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self.assertEqual(zipfp.read("strfile"), self.data)
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# Print the ZIP directory
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fp = StringIO()
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stdout = sys.stdout
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try:
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sys.stdout = fp
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zipfp.printdir()
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finally:
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sys.stdout = stdout
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directory = fp.getvalue()
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lines = directory.splitlines()
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self.assertEquals(len(lines), 4) # Number of files + header
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self.assert_('File Name' in lines[0])
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self.assert_('Modified' in lines[0])
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self.assert_('Size' in lines[0])
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fn, date, time, size = lines[1].split()
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self.assertEquals(fn, 'another.name')
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# XXX: timestamp is not tested
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self.assertEquals(size, str(len(self.data)))
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# Check the namelist
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names = zipfp.namelist()
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self.assertEquals(len(names), 3)
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self.assert_(TESTFN in names)
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self.assert_("another"+os.extsep+"name" in names)
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self.assert_("strfile" in names)
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# Check infolist
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infos = zipfp.infolist()
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names = [ i.filename for i in infos ]
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self.assertEquals(len(names), 3)
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self.assert_(TESTFN in names)
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self.assert_("another"+os.extsep+"name" in names)
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self.assert_("strfile" in names)
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for i in infos:
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self.assertEquals(i.file_size, len(self.data))
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# check getinfo
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for nm in (TESTFN, "another"+os.extsep+"name", "strfile"):
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info = zipfp.getinfo(nm)
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self.assertEquals(info.filename, nm)
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self.assertEquals(info.file_size, len(self.data))
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# Check that testzip doesn't raise an exception
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zipfp.testzip()
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zipfp.close()
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def testStored(self):
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for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zipTest(f, zipfile.ZIP_STORED)
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if zlib:
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def testDeflated(self):
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for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zipTest(f, zipfile.ZIP_DEFLATED)
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def testAbsoluteArcnames(self):
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zipfp = zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED, allowZip64=True)
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zipfp.write(TESTFN, "/absolute")
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zipfp.close()
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zipfp = zipfile.ZipFile(TESTFN2, "r", zipfile.ZIP_STORED)
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self.assertEqual(zipfp.namelist(), ["absolute"])
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zipfp.close()
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def tearDown(self):
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zipfile.ZIP64_LIMIT = self._limit
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os.remove(TESTFN)
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os.remove(TESTFN2)
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class PyZipFileTests(unittest.TestCase):
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def testWritePyfile(self):
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zipfp = zipfile.PyZipFile(TemporaryFile(), "w")
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fn = __file__
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if fn.endswith('.pyc') or fn.endswith('.pyo'):
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fn = fn[:-1]
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zipfp.writepy(fn)
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bn = os.path.basename(fn)
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self.assert_(bn not in zipfp.namelist())
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self.assert_(bn + 'o' in zipfp.namelist() or bn + 'c' in zipfp.namelist())
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zipfp.close()
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zipfp = zipfile.PyZipFile(TemporaryFile(), "w")
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fn = __file__
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if fn.endswith('.pyc') or fn.endswith('.pyo'):
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fn = fn[:-1]
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zipfp.writepy(fn, "testpackage")
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bn = "%s/%s"%("testpackage", os.path.basename(fn))
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self.assert_(bn not in zipfp.namelist())
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self.assert_(bn + 'o' in zipfp.namelist() or bn + 'c' in zipfp.namelist())
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zipfp.close()
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def testWritePythonPackage(self):
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import email
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packagedir = os.path.dirname(email.__file__)
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zipfp = zipfile.PyZipFile(TemporaryFile(), "w")
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zipfp.writepy(packagedir)
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# Check for a couple of modules at different levels of the hieararchy
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names = zipfp.namelist()
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self.assert_('email/__init__.pyo' in names or 'email/__init__.pyc' in names)
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self.assert_('email/mime/text.pyo' in names or 'email/mime/text.pyc' in names)
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def testWritePythonDirectory(self):
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os.mkdir(TESTFN2)
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try:
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fp = open(os.path.join(TESTFN2, "mod1.py"), "w")
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fp.write("print 42\n")
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fp.close()
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fp = open(os.path.join(TESTFN2, "mod2.py"), "w")
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fp.write("print 42 * 42\n")
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fp.close()
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fp = open(os.path.join(TESTFN2, "mod2.txt"), "w")
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fp.write("bla bla bla\n")
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fp.close()
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zipfp = zipfile.PyZipFile(TemporaryFile(), "w")
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zipfp.writepy(TESTFN2)
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names = zipfp.namelist()
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self.assert_('mod1.pyc' in names or 'mod1.pyo' in names)
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self.assert_('mod2.pyc' in names or 'mod2.pyo' in names)
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self.assert_('mod2.txt' not in names)
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finally:
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shutil.rmtree(TESTFN2)
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class OtherTests(unittest.TestCase):
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def testCreateNonExistentFileForAppend(self):
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if os.path.exists(TESTFN):
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os.unlink(TESTFN)
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filename = 'testfile.txt'
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content = 'hello, world. this is some content.'
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try:
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zf = zipfile.ZipFile(TESTFN, 'a')
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zf.writestr(filename, content)
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zf.close()
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except IOError, (errno, errmsg):
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self.fail('Could not append data to a non-existent zip file.')
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self.assert_(os.path.exists(TESTFN))
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zf = zipfile.ZipFile(TESTFN, 'r')
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self.assertEqual(zf.read(filename), content)
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zf.close()
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os.unlink(TESTFN)
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def testCloseErroneousFile(self):
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# This test checks that the ZipFile constructor closes the file object
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# it opens if there's an error in the file. If it doesn't, the traceback
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# holds a reference to the ZipFile object and, indirectly, the file object.
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# On Windows, this causes the os.unlink() call to fail because the
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# underlying file is still open. This is SF bug #412214.
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#
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fp = open(TESTFN, "w")
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fp.write("this is not a legal zip file\n")
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fp.close()
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try:
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zf = zipfile.ZipFile(TESTFN)
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except zipfile.BadZipfile:
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os.unlink(TESTFN)
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def testNonExistentFileRaisesIOError(self):
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# make sure we don't raise an AttributeError when a partially-constructed
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# ZipFile instance is finalized; this tests for regression on SF tracker
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# bug #403871.
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# The bug we're testing for caused an AttributeError to be raised
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# when a ZipFile instance was created for a file that did not
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# exist; the .fp member was not initialized but was needed by the
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# __del__() method. Since the AttributeError is in the __del__(),
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# it is ignored, but the user should be sufficiently annoyed by
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# the message on the output that regression will be noticed
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# quickly.
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self.assertRaises(IOError, zipfile.ZipFile, TESTFN)
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def testClosedZipRaisesRuntimeError(self):
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# Verify that testzip() doesn't swallow inappropriate exceptions.
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data = StringIO()
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zipf = zipfile.ZipFile(data, mode="w")
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zipf.writestr("foo.txt", "O, for a Muse of Fire!")
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zipf.close()
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# This is correct; calling .read on a closed ZipFile should throw
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# a RuntimeError, and so should calling .testzip. An earlier
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# version of .testzip would swallow this exception (and any other)
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# and report that the first file in the archive was corrupt.
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self.assertRaises(RuntimeError, zipf.testzip)
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class DecryptionTests(unittest.TestCase):
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# This test checks that ZIP decryption works. Since the library does not
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# support encryption at the moment, we use a pre-generated encrypted
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# ZIP file
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data = (
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'PK\x03\x04\x14\x00\x01\x00\x00\x00n\x92i.#y\xef?&\x00\x00\x00\x1a\x00'
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'\x00\x00\x08\x00\x00\x00test.txt\xfa\x10\xa0gly|\xfa-\xc5\xc0=\xf9y'
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'\x18\xe0\xa8r\xb3Z}Lg\xbc\xae\xf9|\x9b\x19\xe4\x8b\xba\xbb)\x8c\xb0\xdbl'
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'PK\x01\x02\x14\x00\x14\x00\x01\x00\x00\x00n\x92i.#y\xef?&\x00\x00\x00'
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'\x1a\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x01\x00 \x00\xb6\x81'
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'\x00\x00\x00\x00test.txtPK\x05\x06\x00\x00\x00\x00\x01\x00\x01\x006\x00'
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'\x00\x00L\x00\x00\x00\x00\x00' )
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plain = 'zipfile.py encryption test'
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def setUp(self):
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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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self.zip = zipfile.ZipFile(TESTFN, "r")
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def tearDown(self):
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self.zip.close()
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os.unlink(TESTFN)
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def testNoPassword(self):
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# Reading the encrypted file without password
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# must generate a RunTime exception
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self.assertRaises(RuntimeError, self.zip.read, "test.txt")
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def testBadPassword(self):
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self.zip.setpassword("perl")
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self.assertRaises(RuntimeError, self.zip.read, "test.txt")
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def testGoodPassword(self):
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self.zip.setpassword("python")
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self.assertEquals(self.zip.read("test.txt"), self.plain)
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def test_main():
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run_unittest(TestsWithSourceFile, TestZip64InSmallFiles, OtherTests,
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PyZipFileTests, DecryptionTests)
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#run_unittest(TestZip64InSmallFiles)
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if __name__ == "__main__":
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test_main()
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