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Issue #9516: Correct and expand OS X deployment target tests in distutils

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test_build_ext.
This commit is contained in:
Ned Deily 2011-06-28 19:43:15 -07:00
parent 58f27b203c
commit d13007fa11
1 changed files with 37 additions and 10 deletions
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47
Lib/distutils/tests/test_build_ext.py
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@ -11,7 +11,8 @@ from distutils.tests.support import TempdirManager
from distutils.tests.support import LoggingSilencer
from distutils.extension import Extension
from distutils.errors import (
CompileError, DistutilsSetupError, UnknownFileError)
CompileError, DistutilsPlatformError, DistutilsSetupError,
UnknownFileError)
import unittest
from test import support
@ -431,18 +432,43 @@ class BuildExtTestCase(TempdirManager,
@unittest.skipUnless(sys.platform == 'darwin', 'test only relevant for MacOSX')
def test_deployment_target(self):
self._try_compile_deployment_target()
def test_deployment_target_default(self):
# Issue 9516: Test that, in the absence of the environment variable,
# an extension module is compiled with the same deployment target as
# the interpreter.
self._try_compile_deployment_target('==', None)
@unittest.skipUnless(sys.platform == 'darwin', 'test only relevant for MacOSX')
def test_deployment_target_too_low(self):
# Issue 9516: Test that an extension module is not allowed to be
# compiled with a deployment target less than that of the interpreter.
self.assertRaises(DistutilsPlatformError,
self._try_compile_deployment_target, '>', '10.1')
@unittest.skipUnless(sys.platform == 'darwin', 'test only relevant for MacOSX')
def test_deployment_target_higher_ok(self):
# Issue 9516: Test that an extension module can be compiled with a
# deployment target higher than that of the interpreter: the ext
# module may depend on some newer OS feature.
deptarget = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
if deptarget:
# increment the minor version number (i.e. 10.6 -> 10.7)
deptarget = [int(x) for x in deptarget.split('.')]
deptarget[-1] += 1
deptarget = '.'.join(str(i) for i in deptarget)
self._try_compile_deployment_target('<', deptarget)
def _try_compile_deployment_target(self, operator, target):
orig_environ = os.environ
os.environ = orig_environ.copy()
self.addCleanup(setattr, os, 'environ', orig_environ)
os.environ['MACOSX_DEPLOYMENT_TARGET']='10.1'
self._try_compile_deployment_target()
if target is None:
if os.environ.get('MACOSX_DEPLOYMENT_TARGET'):
del os.environ['MACOSX_DEPLOYMENT_TARGET']
else:
os.environ['MACOSX_DEPLOYMENT_TARGET'] = target
def _try_compile_deployment_target(self):
deptarget_c = os.path.join(self.tmp_dir, 'deptargetmodule.c')
with open(deptarget_c, 'w') as fp:
@ -451,16 +477,17 @@ class BuildExtTestCase(TempdirManager,
int dummy;
#if TARGET != MAC_OS_X_VERSION_MIN_REQUIRED
#if TARGET %s MAC_OS_X_VERSION_MIN_REQUIRED
#else
#error "Unexpected target"
#endif
'''))
''' % operator))
# get the deployment target that the interpreter was built with
target = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
target = tuple(map(int, target.split('.')))
target = '%02d%01d0' % target
deptarget_ext = Extension(
'deptarget',
[deptarget_c],