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|
# We can test part of the module without zlib.
try:
import zlib
except ImportError:
zlib = None
import zipfile, os, unittest, sys, shutil
from StringIO import StringIO
from tempfile import TemporaryFile
from test.test_support import TESTFN, is_jython, run_unittest
TESTFN2 = TESTFN + "2"
class TestsWithSourceFile(unittest.TestCase):
def setUp(self):
line_gen = ("Test of zipfile line %d." % i for i in range(0, 1000))
self.data = '\n'.join(line_gen)
# Make a source file with some lines
fp = open(TESTFN, "wb")
fp.write(self.data)
fp.close()
def zipTest(self, f, compression):
# Create the ZIP archive
zipfp = zipfile.ZipFile(f, "w", compression)
zipfp.write(TESTFN, "another"+os.extsep+"name")
zipfp.write(TESTFN, TESTFN)
zipfp.writestr("strfile", self.data)
zipfp.close()
# Read the ZIP archive
zipfp = zipfile.ZipFile(f, "r", compression)
self.assertEqual(zipfp.read(TESTFN), self.data)
self.assertEqual(zipfp.read("another"+os.extsep+"name"), self.data)
self.assertEqual(zipfp.read("strfile"), self.data)
# Print the ZIP directory
fp = StringIO()
stdout = sys.stdout
try:
sys.stdout = fp
zipfp.printdir()
finally:
sys.stdout = stdout
directory = fp.getvalue()
lines = directory.splitlines()
self.assertEquals(len(lines), 4) # Number of files + header
self.assert_('File Name' in lines[0])
self.assert_('Modified' in lines[0])
self.assert_('Size' in lines[0])
fn, date, time, size = lines[1].split()
self.assertEquals(fn, 'another.name')
# XXX: timestamp is not tested
self.assertEquals(size, str(len(self.data)))
# Check the namelist
names = zipfp.namelist()
self.assertEquals(len(names), 3)
self.assert_(TESTFN in names)
self.assert_("another"+os.extsep+"name" in names)
self.assert_("strfile" in names)
# Check infolist
infos = zipfp.infolist()
names = [ i.filename for i in infos ]
self.assertEquals(len(names), 3)
self.assert_(TESTFN in names)
self.assert_("another"+os.extsep+"name" in names)
self.assert_("strfile" in names)
for i in infos:
self.assertEquals(i.file_size, len(self.data))
# check getinfo
for nm in (TESTFN, "another"+os.extsep+"name", "strfile"):
info = zipfp.getinfo(nm)
self.assertEquals(info.filename, nm)
self.assertEquals(info.file_size, len(self.data))
# Check that testzip doesn't raise an exception
zipfp.testzip()
zipfp.close()
def testStored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
self.zipTest(f, zipfile.ZIP_STORED)
if zlib:
def testDeflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
self.zipTest(f, zipfile.ZIP_DEFLATED)
def testAbsoluteArcnames(self):
zipfp = zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED)
zipfp.write(TESTFN, "/absolute")
zipfp.close()
zipfp = zipfile.ZipFile(TESTFN2, "r", zipfile.ZIP_STORED)
self.assertEqual(zipfp.namelist(), ["absolute"])
zipfp.close()
def tearDown(self):
os.remove(TESTFN)
os.remove(TESTFN2)
class TestZip64InSmallFiles(unittest.TestCase):
# These tests test the ZIP64 functionality without using large files,
# see test_zipfile64 for proper tests.
def setUp(self):
self._limit = zipfile.ZIP64_LIMIT
zipfile.ZIP64_LIMIT = 5
line_gen = ("Test of zipfile line %d." % i for i in range(0, 1000))
self.data = '\n'.join(line_gen)
# Make a source file with some lines
fp = open(TESTFN, "wb")
fp.write(self.data)
fp.close()
def largeFileExceptionTest(self, f, compression):
zipfp = zipfile.ZipFile(f, "w", compression)
self.assertRaises(zipfile.LargeZipFile,
zipfp.write, TESTFN, "another"+os.extsep+"name")
zipfp.close()
def largeFileExceptionTest2(self, f, compression):
zipfp = zipfile.ZipFile(f, "w", compression)
self.assertRaises(zipfile.LargeZipFile,
zipfp.writestr, "another"+os.extsep+"name", self.data)
zipfp.close()
def testLargeFileException(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
self.largeFileExceptionTest(f, zipfile.ZIP_STORED)
self.largeFileExceptionTest2(f, zipfile.ZIP_STORED)
def zipTest(self, f, compression):
# Create the ZIP archive
zipfp = zipfile.ZipFile(f, "w", compression, allowZip64=True)
zipfp.write(TESTFN, "another"+os.extsep+"name")
zipfp.write(TESTFN, TESTFN)
zipfp.writestr("strfile", self.data)
zipfp.close()
# Read the ZIP archive
zipfp = zipfile.ZipFile(f, "r", compression)
self.assertEqual(zipfp.read(TESTFN), self.data)
self.assertEqual(zipfp.read("another"+os.extsep+"name"), self.data)
self.assertEqual(zipfp.read("strfile"), self.data)
# Print the ZIP directory
fp = StringIO()
stdout = sys.stdout
try:
sys.stdout = fp
zipfp.printdir()
finally:
sys.stdout = stdout
directory = fp.getvalue()
lines = directory.splitlines()
self.assertEquals(len(lines), 4) # Number of files + header
self.assert_('File Name' in lines[0])
self.assert_('Modified' in lines[0])
self.assert_('Size' in lines[0])
fn, date, time, size = lines[1].split()
self.assertEquals(fn, 'another.name')
# XXX: timestamp is not tested
self.assertEquals(size, str(len(self.data)))
# Check the namelist
names = zipfp.namelist()
self.assertEquals(len(names), 3)
self.assert_(TESTFN in names)
self.assert_("another"+os.extsep+"name" in names)
self.assert_("strfile" in names)
# Check infolist
infos = zipfp.infolist()
names = [ i.filename for i in infos ]
self.assertEquals(len(names), 3)
self.assert_(TESTFN in names)
self.assert_("another"+os.extsep+"name" in names)
self.assert_("strfile" in names)
for i in infos:
self.assertEquals(i.file_size, len(self.data))
# check getinfo
for nm in (TESTFN, "another"+os.extsep+"name", "strfile"):
info = zipfp.getinfo(nm)
self.assertEquals(info.filename, nm)
self.assertEquals(info.file_size, len(self.data))
# Check that testzip doesn't raise an exception
zipfp.testzip()
zipfp.close()
def testStored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
self.zipTest(f, zipfile.ZIP_STORED)
if zlib:
def testDeflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
self.zipTest(f, zipfile.ZIP_DEFLATED)
def testAbsoluteArcnames(self):
zipfp = zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED, allowZip64=True)
zipfp.write(TESTFN, "/absolute")
zipfp.close()
zipfp = zipfile.ZipFile(TESTFN2, "r", zipfile.ZIP_STORED)
self.assertEqual(zipfp.namelist(), ["absolute"])
zipfp.close()
def tearDown(self):
zipfile.ZIP64_LIMIT = self._limit
os.remove(TESTFN)
os.remove(TESTFN2)
class PyZipFileTests(unittest.TestCase):
def testWritePyfile(self):
zipfp = zipfile.PyZipFile(TemporaryFile(), "w")
fn = __file__
if fn.endswith('.pyc') or fn.endswith('.pyo'):
fn = fn[:-1]
elif fn.endswith('$py.class'):
fn = fn[:-9] + '.py'
zipfp.writepy(fn)
bn = os.path.basename(fn)
self.assert_(bn not in zipfp.namelist())
if not is_jython:
self.assert_(bn + 'o' in zipfp.namelist() or bn + 'c' in zipfp.namelist())
else:
self.assert_(bn[:-3] + '$py.class' in zipfp.namelist())
zipfp.close()
zipfp = zipfile.PyZipFile(TemporaryFile(), "w")
fn = __file__
if fn.endswith('.pyc') or fn.endswith('.pyo'):
fn = fn[:-1]
elif fn.endswith('$py.class'):
fn = fn[:-9] + '.py'
zipfp.writepy(fn, "testpackage")
bn = "%s/%s"%("testpackage", os.path.basename(fn))
self.assert_(bn not in zipfp.namelist())
if not is_jython:
self.assert_(bn + 'o' in zipfp.namelist() or bn + 'c' in zipfp.namelist())
else:
self.assert_(bn[:-3] + '$py.class' in zipfp.namelist())
zipfp.close()
def testWritePythonPackage(self):
import email
packagedir = os.path.dirname(email.__file__)
zipfp = zipfile.PyZipFile(TemporaryFile(), "w")
zipfp.writepy(packagedir)
# Check for a couple of modules at different levels of the hieararchy
names = zipfp.namelist()
if not is_jython:
self.assert_('email/__init__.pyo' in names or 'email/__init__.pyc' in names)
self.assert_('email/mime/text.pyo' in names or 'email/mime/text.pyc' in names)
else:
self.assert_('email/__init__$py.class' in names)
self.assert_('email/mime/text$py.class' in names)
def testWritePythonDirectory(self):
os.mkdir(TESTFN2)
try:
fp = open(os.path.join(TESTFN2, "mod1.py"), "w")
fp.write("print 42\n")
fp.close()
fp = open(os.path.join(TESTFN2, "mod2.py"), "w")
fp.write("print 42 * 42\n")
fp.close()
fp = open(os.path.join(TESTFN2, "mod2.txt"), "w")
fp.write("bla bla bla\n")
fp.close()
zipfp = zipfile.PyZipFile(TemporaryFile(), "w")
zipfp.writepy(TESTFN2)
names = zipfp.namelist()
if not is_jython:
self.assert_('mod1.pyc' in names or 'mod1.pyo' in names)
self.assert_('mod2.pyc' in names or 'mod2.pyo' in names)
else:
self.assert_('mod1$py.class' in names)
self.assert_('mod2$py.class' in names)
self.assert_('mod2.txt' not in names)
finally:
shutil.rmtree(TESTFN2)
class OtherTests(unittest.TestCase):
def testCloseErroneousFile(self):
# This test checks that the ZipFile constructor closes the file object
# it opens if there's an error in the file. If it doesn't, the traceback
# holds a reference to the ZipFile object and, indirectly, the file object.
# On Windows, this causes the os.unlink() call to fail because the
# underlying file is still open. This is SF bug #412214.
#
fp = open(TESTFN, "w")
fp.write("this is not a legal zip file\n")
fp.close()
try:
zf = zipfile.ZipFile(TESTFN)
except zipfile.BadZipfile:
os.unlink(TESTFN)
def testNonExistentFileRaisesIOError(self):
# make sure we don't raise an AttributeError when a partially-constructed
# ZipFile instance is finalized; this tests for regression on SF tracker
# bug #403871.
# The bug we're testing for caused an AttributeError to be raised
# when a ZipFile instance was created for a file that did not
# exist; the .fp member was not initialized but was needed by the
# __del__() method. Since the AttributeError is in the __del__(),
# it is ignored, but the user should be sufficiently annoyed by
# the message on the output that regression will be noticed
# quickly.
self.assertRaises(IOError, zipfile.ZipFile, TESTFN)
def testClosedZipRaisesRuntimeError(self):
# Verify that testzip() doesn't swallow inappropriate exceptions.
data = StringIO()
zipf = zipfile.ZipFile(data, mode="w")
zipf.writestr("foo.txt", "O, for a Muse of Fire!")
zipf.close()
# This is correct; calling .read on a closed ZipFile should throw
# a RuntimeError, and so should calling .testzip. An earlier
# version of .testzip would swallow this exception (and any other)
# and report that the first file in the archive was corrupt.
self.assertRaises(RuntimeError, zipf.testzip)
def test_main():
run_unittest(TestsWithSourceFile, TestZip64InSmallFiles, OtherTests, PyZipFileTests)
#run_unittest(TestZip64InSmallFiles)
if __name__ == "__main__":
test_main()
|
