text: import pytest
  from tests.serialize import TestSerializeBase as base_class
  
  
  class TestAsciiMapSerialize(base_class):
      r"""Test class for TestAsciiMapSerialize class."""
  
      @pytest.fixture(scope="class", autouse=True)
      def serializer(self):
          r"""str: Serializer being tested."""
          return "map"
  
      def test_error_delim(self, instance):
          r"""Test error for message with too many delimiters on a line."""
          msg = instance.delimiter.join(
              ['args1', 'val1', 'args2', 'val2']).encode("utf-8")
          with pytest.raises(ValueError):
              instance.deserialize(msg)
  
      def test_error_nonstrval(self, instance):
          r"""Test error on serializing dictionary with non-string values."""
          obj = {1: 'here'}
          with pytest.raises(ValueError):
              instance.serialize(obj)
  
      def test_remove_quotes(self, instance):
          r"""Test deserialization of message with single quotes."""
          send_msg_list = [b"a\t'a_value'\n", b'a\t"a_value"\n',
                           b"a\ta_value\n"]
          recv_msg = {'a': 'a_value'}
          for send_msg in send_msg_list:
              assert(instance.deserialize(send_msg)[0] == recv_msg)
  