text: import pytest
  from aws_lambda_powertools.utilities.parser import ValidationError
  
  from service.handlers.schemas.input import Input
  
  
  def test_invalid_name():
      with pytest.raises(ValidationError):
          Input(my_name='', order_item_count=4)
  
  
  def test_invalid_name_too_long():
      with pytest.raises(ValidationError):
          Input(my_name='1234567890112123423232323232323', order_item_count=4)
  
  
  def test_missing_mandatory_fields():
      with pytest.raises(ValidationError):
          Input(my_name='a')
  
  
  def test_invalid_order_number():
      with pytest.raises(ValidationError):
          Input(my_name='a', order_item_count=-1)
  
  
  def test_invalid_order_number_type():
      with pytest.raises(ValidationError):
          Input(my_name='a', order_item_count='a')
  