message_test.py 文件源码

def testAssignByteStringToUnicodeField(self, message_module):
    """Assigning a byte string to a string field should result
    in the value being converted to a Unicode string."""
    m = message_module.TestAllTypes()
    m.optional_string = str('')
    self.assertIsInstance(m.optional_string, six.text_type)