[py3k] introduce cubicweb._ (related to #7589459)
The end goal is to stop relying on '_' being in the builtin scope. In
the mean time, deprecate the builtin '_' so that consumers are warned.
from six import PY2
from unittest import TestCase
from tempfile import NamedTemporaryFile
import os.path as osp
from logilab.common.shellutils import tempdir
from cubicweb import Binary
class BinaryTC(TestCase):
def test_init(self):
Binary()
Binary(b'toto')
Binary(bytearray(b'toto'))
if PY2:
Binary(buffer('toto'))
else:
Binary(memoryview(b'toto'))
with self.assertRaises((AssertionError, TypeError)):
# TypeError is raised by BytesIO if python runs with -O
Binary(u'toto')
def test_write(self):
b = Binary()
b.write(b'toto')
b.write(bytearray(b'toto'))
if PY2:
b.write(buffer('toto'))
else:
b.write(memoryview(b'toto'))
with self.assertRaises((AssertionError, TypeError)):
# TypeError is raised by BytesIO if python runs with -O
b.write(u'toto')
def test_gzpickle_roundtrip(self):
old = (u'foo', b'bar', 42, {})
new = Binary.zpickle(old).unzpickle()
self.assertEqual(old, new)
self.assertIsNot(old, new)
def test_from_file_to_file(self):
with tempdir() as dpath:
fpath = osp.join(dpath, 'binary.bin')
with open(fpath, 'wb') as fobj:
Binary(b'binaryblob').to_file(fobj)
bobj = Binary.from_file(fpath)
self.assertEqual(bobj.getvalue(), b'binaryblob')
if __name__ == '__main__':
from unittest import main
main()