test_build_ext.py 文件源码

def test_check_extensions_list(self):
        dist = Distribution()
        cmd = build_ext(dist)
        cmd.finalize_options()

        #'extensions' option must be a list of Extension instances
        self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, 'foo')

        # each element of 'ext_modules' option must be an
        # Extension instance or 2-tuple
        exts = [('bar', 'foo', 'bar'), 'foo']
        self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts)

        # first element of each tuple in 'ext_modules'
        # must be the extension name (a string) and match
        # a python dotted-separated name
        exts = [('foo-bar', '')]
        self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts)

        # second element of each tuple in 'ext_modules'
        # must be a ary (build info)
        exts = [('foo.bar', '')]
        self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts)

        # ok this one should pass
        exts = [('foo.bar', {'sources': [''], 'libraries': 'foo',
                             'some': 'bar'})]
        cmd.check_extensions_list(exts)
        ext = exts[0]
        self.assertIsInstance(ext, Extension)

        # check_extensions_list adds in ext the values passed
        # when they are in ('include_dirs', 'library_dirs', 'libraries'
        # 'extra_objects', 'extra_compile_args', 'extra_link_args')
        self.assertEqual(ext.libraries, 'foo')
        self.assertFalse(hasattr(ext, 'some'))

        # 'macros' element of build info dict must be 1- or 2-tuple
        exts = [('foo.bar', {'sources': [''], 'libraries': 'foo',
                'some': 'bar', 'macros': [('1', '2', '3'), 'foo']})]
        self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts)

        exts[0][1]['macros'] = [('1', '2'), ('3',)]
        cmd.check_extensions_list(exts)
        self.assertEqual(exts[0].undef_macros, ['3'])
        self.assertEqual(exts[0].define_macros, [('1', '2')])