def _create_cpio(project, repository, arch, package, **kwargs):
"""Creates and returns a CpioArchive object.
Keyword arguments:
kwargs -- optional parameters for the http request (like query
parameters)
"""
f = BinaryList._perform_request(project, repository, arch, package,
**kwargs)
return CpioArchive(fobj=f)
def test23(self):
"""test CpioArchive class"""
fname = self.fixture_file('cpio_archive.cpio')
archive = CpioArchive(filename=fname)
filenames = ['bar', 'file1', 'foo']
contents = ['File bar\nhas some\ncontent...\n',
'This is yet\nanother\nfile.\n',
'file foo\n']
for archive_file in archive:
self.assertEqual(archive_file.hdr.name, filenames.pop(0))
self.assertEqual(archive_file.read(), contents.pop(0))
self.assertEqual(archive.filenames(), ['bar', 'file1', 'foo'])
self.assertEqual(len(archive.files()), 3)
# read file bar again (no content because the whole file was already
# read)
archive_file = archive.find('bar')
self.assertIsNotNone(archive_file)
self.assertEqual(archive_file.read(), '')
# try to find non existent file
self.assertIsNone(archive.find('unknown'))
self.assertEqual(archive.magic, '070701')
def test25(self):
"""test CpioArchive class unseekable input 2"""
fname = self.fixture_file('cpio_archive.cpio')
sio = StringIO(open(fname, 'r').read())
sio.seek = None
archive = CpioArchive(fobj=sio)
# get the second file in the archive
archive_file = archive.find('file1')
self.assertIsNotNone(archive_file)
self.assertEqual(archive_file.read(4), 'This')
# now get the first file in the archive
archive_file = archive.find('bar')
self.assertIsNotNone(archive_file)
# a read raises an IOError because we cannot seek back
self.assertRaises(IOError, archive_file.read)
# read rest from the second file
archive_file = archive.find('file1')
self.assertIsNotNone(archive_file)
self.assertEqual(archive_file.read(), ' is yet\nanother\nfile.\n')
# finally read the last file
archive_file = archive.find('foo')
self.assertIsNotNone(archive_file)
self.assertEqual(archive_file.read(), 'file foo\n')
self.assertEqual(archive.magic, '070701')
def test24(self):
"""test CpioArchive class unseekable input 1"""
fname = self.fixture_file('cpio_archive.cpio')
sio = StringIO(open(fname, 'r').read())
sio.seek = None
archive = CpioArchive(fobj=sio)
filenames = ['bar', 'file1', 'foo']
contents = ['File bar\nhas some\ncontent...\n',
'This is yet\nanother\nfile.\n',
'file foo\n']
for archive_file in archive:
self.assertEqual(archive_file.hdr.name, filenames.pop(0))
self.assertEqual(archive_file.read(), contents.pop(0))
self.assertEqual(archive.filenames(), ['bar', 'file1', 'foo'])
self.assertEqual(len(archive.files()), 3)
# read file bar again
archive_file = archive.find('bar')
self.assertIsNotNone(archive_file)
# the empty str because the file was already completely read
# => no seek is made and no IOError is raised
self.assertEqual(archive_file.read(), '')
# try to find non existent file
self.assertIsNone(archive.find('unknown'))
self.assertEqual(archive.magic, '070701')
