test_sys.py 文件源码

def test_attributes(self):
        self.assertIsInstance(sys.api_version, int)
        self.assertIsInstance(sys.argv, list)
        self.assertIn(sys.byteorder, ("little", "big"))
        self.assertIsInstance(sys.builtin_module_names, tuple)
        self.assertIsInstance(sys.copyright, basestring)
        self.assertIsInstance(sys.exec_prefix, basestring)
        self.assertIsInstance(sys.executable, basestring)
        self.assertEqual(len(sys.float_info), 11)
        self.assertEqual(sys.float_info.radix, 2)
        self.assertEqual(len(sys.long_info), 2)
        if test.test_support.check_impl_detail(cpython=True):
            self.assertTrue(sys.long_info.bits_per_digit % 5 == 0)
        else:
            self.assertTrue(sys.long_info.bits_per_digit >= 1)
        self.assertTrue(sys.long_info.sizeof_digit >= 1)
        self.assertEqual(type(sys.long_info.bits_per_digit), int)
        self.assertEqual(type(sys.long_info.sizeof_digit), int)
        self.assertIsInstance(sys.hexversion, int)
        self.assertIsInstance(sys.maxint, int)
        if test.test_support.have_unicode:
            self.assertIsInstance(sys.maxunicode, int)
        self.assertIsInstance(sys.platform, basestring)
        self.assertIsInstance(sys.prefix, basestring)
        self.assertIsInstance(sys.version, basestring)
        vi = sys.version_info
        self.assertIsInstance(vi[:], tuple)
        self.assertEqual(len(vi), 5)
        self.assertIsInstance(vi[0], int)
        self.assertIsInstance(vi[1], int)
        self.assertIsInstance(vi[2], int)
        self.assertIn(vi[3], ("alpha", "beta", "candidate", "final"))
        self.assertIsInstance(vi[4], int)
        self.assertIsInstance(vi.major, int)
        self.assertIsInstance(vi.minor, int)
        self.assertIsInstance(vi.micro, int)
        self.assertIn(vi.releaselevel, ("alpha", "beta", "candidate", "final"))
        self.assertIsInstance(vi.serial, int)
        self.assertEqual(vi[0], vi.major)
        self.assertEqual(vi[1], vi.minor)
        self.assertEqual(vi[2], vi.micro)
        self.assertEqual(vi[3], vi.releaselevel)
        self.assertEqual(vi[4], vi.serial)
        self.assertTrue(vi > (1,0,0))
        self.assertIsInstance(sys.float_repr_style, str)
        self.assertIn(sys.float_repr_style, ('short', 'legacy'))