text: import pytest
  
  from opera.error import ParseError
  from opera.parser.tosca.integer import Integer
  from opera.parser.yaml.node import Node
  
  
  class TestValidate:
      def test_with_int_data(self):
          Integer.validate(Node(1234))
  
      @pytest.mark.parametrize(
          "data", ["4",  (), (1, 2, 3), [], ["a", "b"], {}],
      )
      def test_with_non_string(self, data):
          with pytest.raises(ParseError):
              Integer.validate(Node(data))
  