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Remove unnecessary test decorator 'skip_if_cant_cast'

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ctypes is available and works on all supported Pythons. It has been
available since Python 2.5. The tests were written when Python 2.4 was
still supported.
This commit is contained in:
Jon Dufresne 2018-12-04 18:19:41 -08:00
parent 68bacbb194
commit eb2d1766c6
1 changed files with 8 additions and 27 deletions
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35
tests/test_types_basic.py
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@ -22,13 +22,14 @@
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public # FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
# License for more details. # License for more details.
import ctypes
import decimal import decimal
import platform
import sys import sys
from functools import wraps
from . import testutils from . import testutils
import unittest import unittest
from .testutils import ConnectingTestCase, decorate_all_tests, long from .testutils import ConnectingTestCase, long
import psycopg2 import psycopg2
@ -471,36 +472,16 @@ class AdaptSubclassTest(unittest.TestCase):
self.assertEqual(ext.adapt(foo((1, 2, 3))).getquoted(), 'bar') self.assertEqual(ext.adapt(foo((1, 2, 3))).getquoted(), 'bar')
@decorate_all_tests @unittest.skipIf(
def skip_if_cant_cast(f): platform.system() == 'Windows',
@wraps(f) "Not testing because we are useless with ctypes on Windows")
def skip_if_cant_cast_(self, *args, **kwargs):
if self._cast is None:
return self.skipTest("can't test bytea parser: %s - %s"
% (self._exc.__class__.__name__, self._exc))
return f(self, *args, **kwargs)
return skip_if_cant_cast_
@skip_if_cant_cast
class ByteaParserTest(unittest.TestCase): class ByteaParserTest(unittest.TestCase):
"""Unit test for our bytea format parser.""" """Unit test for our bytea format parser."""
def setUp(self): def setUp(self):
try: self._cast = self._import_cast()
self._cast = self._import_cast()
except Exception as e:
self._cast = None
self._exc = e
def _import_cast(self): def _import_cast(self):
"""Use ctypes to access the C function. """Use ctypes to access the C function."""
Raise any sort of error: we just support this where ctypes works as
expected.
"""
import ctypes
lib = ctypes.pydll.LoadLibrary(psycopg2._psycopg.__file__) lib = ctypes.pydll.LoadLibrary(psycopg2._psycopg.__file__)
cast = lib.typecast_BINARY_cast cast = lib.typecast_BINARY_cast
cast.argtypes = [ctypes.c_char_p, ctypes.c_size_t, ctypes.py_object] cast.argtypes = [ctypes.c_char_p, ctypes.c_size_t, ctypes.py_object]