cpython/Lib/distutils/tests/test_build_ext.py

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import sys
import os
import tempfile
import shutil
from StringIO import StringIO
from distutils.core import Extension, Distribution
from distutils.command.build_ext import build_ext
from distutils import sysconfig
import unittest
from test import test_support
# http://bugs.python.org/issue4373
# Don't load the xx module more than once.
ALREADY_TESTED = False
def _get_source_filename():
srcdir = sysconfig.get_config_var('srcdir')
return os.path.join(srcdir, 'Modules', 'xxmodule.c')
class BuildExtTestCase(unittest.TestCase):
def setUp(self):
# Create a simple test environment
# Note that we're making changes to sys.path
self.tmp_dir = tempfile.mkdtemp(prefix="pythontest_")
self.sys_path = sys.path[:]
sys.path.append(self.tmp_dir)
shutil.copy(_get_source_filename(), self.tmp_dir)
def test_build_ext(self):
global ALREADY_TESTED
xx_c = os.path.join(self.tmp_dir, 'xxmodule.c')
xx_ext = Extension('xx', [xx_c])
dist = Distribution({'name': 'xx', 'ext_modules': [xx_ext]})
dist.package_dir = self.tmp_dir
cmd = build_ext(dist)
if os.name == "nt":
# On Windows, we must build a debug version iff running
# a debug build of Python
cmd.debug = sys.executable.endswith("_d.exe")
cmd.build_lib = self.tmp_dir
cmd.build_temp = self.tmp_dir
old_stdout = sys.stdout
if not test_support.verbose:
# silence compiler output
sys.stdout = StringIO()
try:
cmd.ensure_finalized()
cmd.run()
finally:
sys.stdout = old_stdout
if ALREADY_TESTED:
return
else:
ALREADY_TESTED = True
import xx
for attr in ('error', 'foo', 'new', 'roj'):
self.assert_(hasattr(xx, attr))
self.assertEquals(xx.foo(2, 5), 7)
self.assertEquals(xx.foo(13,15), 28)
self.assertEquals(xx.new().demo(), None)
doc = 'This is a template module just for instruction.'
self.assertEquals(xx.__doc__, doc)
self.assert_(isinstance(xx.Null(), xx.Null))
self.assert_(isinstance(xx.Str(), xx.Str))
def tearDown(self):
# Get everything back to normal
test_support.unload('xx')
sys.path = self.sys_path
# XXX on Windows the test leaves a directory with xx module in TEMP
shutil.rmtree(self.tmp_dir, os.name == 'nt' or sys.platform == 'cygwin')
def test_solaris_enable_shared(self):
dist = Distribution({'name': 'xx'})
cmd = build_ext(dist)
old = sys.platform
sys.platform = 'sunos' # fooling finalize_options
from distutils.sysconfig import _config_vars
old_var = _config_vars.get('Py_ENABLE_SHARED')
_config_vars['Py_ENABLE_SHARED'] = 1
try:
cmd.ensure_finalized()
finally:
sys.platform = old
if old_var is None:
del _config_vars['Py_ENABLE_SHARED']
else:
_config_vars['Py_ENABLE_SHARED'] = old_var
# make sur we get some lobrary dirs under solaris
self.assert_(len(cmd.library_dirs) > 0)
def test_suite():
src = _get_source_filename()
if not os.path.exists(src):
if test_support.verbose:
print ('test_build_ext: Cannot find source code (test'
' must run in python build dir)')
return unittest.TestSuite()
else: return unittest.makeSuite(BuildExtTestCase)
if __name__ == '__main__':
test_support.run_unittest(test_suite())