lib-python.2.7.distutils.tests.test_sysconfig.py Maven / Gradle / Ivy

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"""Tests for distutils.sysconfig."""
import os
import test
import unittest
import shutil

from distutils import sysconfig
from distutils.tests import support
from test.test_support import TESTFN

class SysconfigTestCase(support.EnvironGuard,
                        unittest.TestCase):
    def setUp(self):
        super(SysconfigTestCase, self).setUp()
        self.makefile = None

    def tearDown(self):
        if self.makefile is not None:
            os.unlink(self.makefile)
        self.cleanup_testfn()
        super(SysconfigTestCase, self).tearDown()

    def cleanup_testfn(self):
        path = test.test_support.TESTFN
        if os.path.isfile(path):
            os.remove(path)
        elif os.path.isdir(path):
            shutil.rmtree(path)

    def test_get_python_lib(self):
        lib_dir = sysconfig.get_python_lib()
        # XXX doesn't work on Linux when Python was never installed before
        #self.assertTrue(os.path.isdir(lib_dir), lib_dir)
        # test for pythonxx.lib?
        self.assertNotEqual(sysconfig.get_python_lib(),
                            sysconfig.get_python_lib(prefix=TESTFN))
        _sysconfig = __import__('sysconfig')
        res = sysconfig.get_python_lib(True, True)
        self.assertEqual(_sysconfig.get_path('platstdlib'), res)

    def test_get_python_inc(self):
        inc_dir = sysconfig.get_python_inc()
        # This is not much of a test.  We make sure Python.h exists
        # in the directory returned by get_python_inc() but we don't know
        # it is the correct file.
        self.assertTrue(os.path.isdir(inc_dir), inc_dir)
        python_h = os.path.join(inc_dir, "Python.h")
        self.assertTrue(os.path.isfile(python_h), python_h)

    def test_parse_makefile_base(self):
        self.makefile = test.test_support.TESTFN
        fd = open(self.makefile, 'w')
        try:
            fd.write(r"CONFIG_ARGS=  '--arg1=optarg1' 'ENV=LIB'" '\n')
            fd.write('VAR=$OTHER\nOTHER=foo')
        finally:
            fd.close()
        d = sysconfig.parse_makefile(self.makefile)
        self.assertEqual(d, {'CONFIG_ARGS': "'--arg1=optarg1' 'ENV=LIB'",
                             'OTHER': 'foo'})

    def test_parse_makefile_literal_dollar(self):
        self.makefile = test.test_support.TESTFN
        fd = open(self.makefile, 'w')
        try:
            fd.write(r"CONFIG_ARGS=  '--arg1=optarg1' 'ENV=\$$LIB'" '\n')
            fd.write('VAR=$OTHER\nOTHER=foo')
        finally:
            fd.close()
        d = sysconfig.parse_makefile(self.makefile)
        self.assertEqual(d, {'CONFIG_ARGS': r"'--arg1=optarg1' 'ENV=\$LIB'",
                             'OTHER': 'foo'})


    def test_sysconfig_module(self):
        import sysconfig as global_sysconfig
        self.assertEqual(global_sysconfig.get_config_var('CFLAGS'), sysconfig.get_config_var('CFLAGS'))
        self.assertEqual(global_sysconfig.get_config_var('LDFLAGS'), sysconfig.get_config_var('LDFLAGS'))

    @unittest.skipIf(sysconfig.get_config_var('CUSTOMIZED_OSX_COMPILER'),'compiler flags customized')
    def test_sysconfig_compiler_vars(self):
        # On OS X, binary installers support extension module building on
        # various levels of the operating system with differing Xcode
        # configurations.  This requires customization of some of the
        # compiler configuration directives to suit the environment on
        # the installed machine.  Some of these customizations may require
        # running external programs and, so, are deferred until needed by
        # the first extension module build.  With Python 3.3, only
        # the Distutils version of sysconfig is used for extension module
        # builds, which happens earlier in the Distutils tests.  This may
        # cause the following tests to fail since no tests have caused
        # the global version of sysconfig to call the customization yet.
        # The solution for now is to simply skip this test in this case.
        # The longer-term solution is to only have one version of sysconfig.

        import sysconfig as global_sysconfig
        if sysconfig.get_config_var('CUSTOMIZED_OSX_COMPILER'):
            return
        self.assertEqual(global_sysconfig.get_config_var('LDSHARED'), sysconfig.get_config_var('LDSHARED'))
        self.assertEqual(global_sysconfig.get_config_var('CC'), sysconfig.get_config_var('CC'))



def test_suite():
    suite = unittest.TestSuite()
    suite.addTest(unittest.makeSuite(SysconfigTestCase))
    return suite


if __name__ == '__main__':
    test.test_support.run_unittest(test_suite())