def test18(self):
"""test NewAsciiWriter's append method"""
fname = self.fixture_file('foo')
st = os.stat(fname)
sio = StringIO()
archive_writer = NewAsciiWriter(sio)
archive_writer.append(fname)
self.assertEqual(archive_writer._bytes_written, 128)
fname = self.fixture_file('new_ascii_writer_foo_header')
# we can only compare the sizes because the inode, dev_maj and dev_min
# of the foo file has changed (because it was copied to a
# tmpdir - that's how our testsuite works...)
self.assertEqual(len(sio.getvalue()), len(open(fname, 'r').read()))
# check manually...
sio.seek(0, os.SEEK_SET)
f = FileWrapper(fobj=sio)
archive_reader = NewAsciiReader(f)
hdr = archive_reader.next_header()
self.assertEqual(hdr.magic, '070701')
# self.assertEqual(hdr.ino, 1788176)
self.assertEqual(hdr.mode, st.st_mode)
self.assertEqual(hdr.uid, st.st_uid)
self.assertEqual(hdr.gid, st.st_gid)
self.assertEqual(hdr.nlink, 1)
self.assertEqual(hdr.mtime, int(st.st_mtime))
self.assertEqual(hdr.filesize, 9)
# self.assertEqual(hdr.dev_maj, 8)
# self.assertEqual(hdr.dev_min, 10)
self.assertEqual(hdr.rdev_maj, 0)
self.assertEqual(hdr.rdev_min, 0)
self.assertEqual(hdr.namesize, 4)
self.assertEqual(hdr.chksum, 0)
self.assertEqual(hdr.name, 'foo')
def test10(self):
"""test NewAsciiReader (unseekable file object)"""
# identical to test8 but this time a unseekable fobj is used
fname = self.fixture_file('new_ascii_reader2.cpio')
sio = StringIO(open(fname, 'r').read())
sio.seek = None
f = FileWrapper(fobj=sio)
archive_reader = NewAsciiReader(f)
hdr = archive_reader.next_header()
self.assertEqual(hdr.magic, '070701')
self.assertEqual(hdr.ino, 1788112)
self.assertEqual(hdr.mode, 33188)
self.assertEqual(hdr.uid, 1000)
self.assertEqual(hdr.gid, 100)
self.assertEqual(hdr.nlink, 1)
self.assertEqual(hdr.mtime, 1340459653)
self.assertEqual(hdr.filesize, 28)
self.assertEqual(hdr.dev_maj, 8)
self.assertEqual(hdr.dev_min, 10)
self.assertEqual(hdr.rdev_maj, 0)
self.assertEqual(hdr.rdev_min, 0)
self.assertEqual(hdr.namesize, 14)
self.assertEqual(hdr.chksum, 0)
self.assertEqual(hdr.name, 'filewrapper_1')
# self.assertTrue(hdr.is_regular_file())
# next header is trailer
hdr = archive_reader.next_header()
self.assertEqual(hdr.magic, '070701')
self.assertEqual(hdr.ino, 0)
self.assertEqual(hdr.mode, 0)
self.assertEqual(hdr.uid, 0)
self.assertEqual(hdr.gid, 0)
self.assertEqual(hdr.nlink, 1)
self.assertEqual(hdr.mtime, 0)
self.assertEqual(hdr.filesize, 0)
self.assertEqual(hdr.dev_maj, 0)
self.assertEqual(hdr.dev_min, 0)
self.assertEqual(hdr.rdev_maj, 0)
self.assertEqual(hdr.rdev_min, 0)
self.assertEqual(hdr.namesize, 11)
self.assertEqual(hdr.chksum, 0)
self.assertEqual(hdr.name, 'TRAILER!!!')
# self.assertFalse(hdr.is_regular_file())
# no more headers available
self.assertIsNone(archive_reader.next_header())
def test9(self):
"""test NewAsciiReader (no padding except for trailer)"""
# nearly identical to test7 but the filename differ
fname = self.fixture_file('new_ascii_reader2.cpio')
f = FileWrapper(filename=fname)
archive_reader = NewAsciiReader(f)
hdr = archive_reader.next_header()
self.assertEqual(hdr.magic, '070701')
self.assertEqual(hdr.ino, 1788112)
self.assertEqual(hdr.mode, 33188)
self.assertEqual(hdr.uid, 1000)
self.assertEqual(hdr.gid, 100)
self.assertEqual(hdr.nlink, 1)
self.assertEqual(hdr.mtime, 1340459653)
self.assertEqual(hdr.filesize, 28)
self.assertEqual(hdr.dev_maj, 8)
self.assertEqual(hdr.dev_min, 10)
self.assertEqual(hdr.rdev_maj, 0)
self.assertEqual(hdr.rdev_min, 0)
self.assertEqual(hdr.namesize, 14)
self.assertEqual(hdr.chksum, 0)
self.assertEqual(hdr.name, 'filewrapper_1')
# self.assertTrue(hdr.is_regular_file())
# next header is trailer
hdr = archive_reader.next_header()
self.assertEqual(hdr.magic, '070701')
self.assertEqual(hdr.ino, 0)
self.assertEqual(hdr.mode, 0)
self.assertEqual(hdr.uid, 0)
self.assertEqual(hdr.gid, 0)
self.assertEqual(hdr.nlink, 1)
self.assertEqual(hdr.mtime, 0)
self.assertEqual(hdr.filesize, 0)
self.assertEqual(hdr.dev_maj, 0)
self.assertEqual(hdr.dev_min, 0)
self.assertEqual(hdr.rdev_maj, 0)
self.assertEqual(hdr.rdev_min, 0)
self.assertEqual(hdr.namesize, 11)
self.assertEqual(hdr.chksum, 0)
self.assertEqual(hdr.name, 'TRAILER!!!')
# self.assertFalse(hdr.is_regular_file())
# no more headers available
self.assertIsNone(archive_reader.next_header())
def test29(self):
"""test NewAsciiReader: modify FileWrapper while reading"""
fname = self.fixture_file('new_ascii_reader1.cpio')
f = FileWrapper(filename=fname)
archive_reader = NewAsciiReader(f)
self.assertIsNotNone(archive_reader.next_header())
# seeking _after_ the calculated next header position is not
# allowed (even if the file is seekable)
# next header position: 156
f.seek(158, os.SEEK_SET)
self.assertRaises(CpioError, archive_reader.next_header)
def test28(self):
"""test NewAsciiReader: premature end of archive"""
fname = self.fixture_file('new_ascii_reader1_premature_end.cpio')
f = FileWrapper(filename=fname)
archive_reader = NewAsciiReader(f)
# first header is ok
hdr = archive_reader.next_header()
self.assertEqual(hdr.magic, '070701')
self.assertEqual(hdr.ino, 1788112)
self.assertEqual(hdr.mode, 33188)
self.assertEqual(hdr.uid, 1000)
self.assertEqual(hdr.gid, 100)
self.assertEqual(hdr.nlink, 1)
self.assertEqual(hdr.mtime, 1340459653)
self.assertEqual(hdr.filesize, 28)
self.assertEqual(hdr.dev_maj, 8)
self.assertEqual(hdr.dev_min, 10)
self.assertEqual(hdr.rdev_maj, 0)
self.assertEqual(hdr.rdev_min, 0)
self.assertEqual(hdr.namesize, 17)
self.assertEqual(hdr.chksum, 0)
self.assertEqual(hdr.name, 'filewrapper1.txt')
# second header is incomplete
self.assertRaises(CpioError, archive_reader.next_header)
def test11(self):
"""test NewAsciiReader (2 files)"""
fname = self.fixture_file('new_ascii_reader3.cpio')
f = FileWrapper(filename=fname)
archive_reader = NewAsciiReader(f)
# check file foo
hdr = archive_reader.next_header()
self.assertEqual(hdr.magic, '070701')
self.assertEqual(hdr.ino, 1788176)
self.assertEqual(hdr.mode, 33188)
self.assertEqual(hdr.uid, 1000)
self.assertEqual(hdr.gid, 100)
self.assertEqual(hdr.nlink, 1)
self.assertEqual(hdr.mtime, 1340493596)
self.assertEqual(hdr.filesize, 9)
self.assertEqual(hdr.dev_maj, 8)
self.assertEqual(hdr.dev_min, 10)
self.assertEqual(hdr.rdev_maj, 0)
self.assertEqual(hdr.rdev_min, 0)
self.assertEqual(hdr.namesize, 4)
self.assertEqual(hdr.chksum, 0)
self.assertEqual(hdr.name, 'foo')
# self.assertTrue(hdr.is_regular_file())
# check file foobar
hdr = archive_reader.next_header()
self.assertEqual(hdr.magic, '070701')
self.assertEqual(hdr.ino, 1788110)
self.assertEqual(hdr.mode, 33188)
self.assertEqual(hdr.uid, 1000)
self.assertEqual(hdr.gid, 100)
self.assertEqual(hdr.nlink, 1)
self.assertEqual(hdr.mtime, 1340493602)
self.assertEqual(hdr.filesize, 18)
self.assertEqual(hdr.dev_maj, 8)
self.assertEqual(hdr.dev_min, 10)
self.assertEqual(hdr.rdev_maj, 0)
self.assertEqual(hdr.rdev_min, 0)
self.assertEqual(hdr.namesize, 7)
self.assertEqual(hdr.chksum, 0)
self.assertEqual(hdr.name, 'foobar')
# self.assertTrue(hdr.is_regular_file())
# next header is trailer
hdr = archive_reader.next_header()
self.assertEqual(hdr.magic, '070701')
self.assertEqual(hdr.ino, 0)
self.assertEqual(hdr.mode, 0)
self.assertEqual(hdr.uid, 0)
self.assertEqual(hdr.gid, 0)
self.assertEqual(hdr.nlink, 1)
self.assertEqual(hdr.mtime, 0)
self.assertEqual(hdr.filesize, 0)
self.assertEqual(hdr.dev_maj, 0)
self.assertEqual(hdr.dev_min, 0)
self.assertEqual(hdr.rdev_maj, 0)
self.assertEqual(hdr.rdev_min, 0)
self.assertEqual(hdr.namesize, 11)
self.assertEqual(hdr.chksum, 0)
self.assertEqual(hdr.name, 'TRAILER!!!')
# self.assertFalse(hdr.is_regular_file())
# no more headers available
self.assertIsNone(archive_reader.next_header())
