class_docstr: Test that all type conversions are working.
class_docstr_tok: ["Test","that","all","type","conversions","are","working","."]
code: def testBinaryEmptyString(self):
      # test to make sure an empty Binary is converted to an empty string
      b = psycopg2.Binary(bytes([]))
      self.assertEqual(str(b), "''::bytea")
  
imports: import string
  import ctypes
  import decimal
  import datetime
  import platform
  from .None import testutils
  import unittest
  from .testutils import ConnectingTestCase, restore_types
  from .testutils import skip_if_crdb
  import psycopg2
  from psycopg2.extensions import AsIs, adapt, register_adapter
label_desc: Use image node_id 11 for calling the TypesBasicTests obj's underlying member method code with example usage: obj.testBinaryEmptyString() without return types