code: def test_callable_events(event):
      assert isinstance(event.value, str)
  
      def foo(engine, _):
          return True
  
      ret = event(event_filter=foo)
      assert isinstance(ret, CallableEventWithFilter)
      assert ret == event
      assert ret.filter == foo
      assert event.name in f"{ret}"
  
      ret = event(every=10)
      assert isinstance(ret, CallableEventWithFilter)
      assert ret == event
      assert ret.filter is not None
      assert event.name in f"{ret}"
  
      ret = event(once=10)
      assert isinstance(ret, CallableEventWithFilter)
      assert ret == event
      assert ret.filter is not None
      assert event.name in f"{ret}"
  
      ret = event(once=[1, 10])
      assert isinstance(ret, CallableEventWithFilter)
      assert ret == event
      assert ret.filter is not None
      assert event.name in f"{ret}"
  
      ret = event
      assert isinstance(ret, CallableEventWithFilter)
      assert ret.filter is None
      assert event.name in f"{ret}"
  
imports: from enum import Enum
  from unittest.mock import MagicMock
  import pytest
  import torch
  import ignite.distributed
  from ignite.engine import Engine, Events
  from ignite.engine.events import CallableEventWithFilter, EventEnum, EventsList
label_desc: Use image node_id 6 for calling a global function with example usage: test_callable_events(event) and returns: True