_____________ BasicThreadedGeneratorTestCase.test_producer_failure _____________

self = <tests.tools_threading_tests.BasicThreadedGeneratorTestCase testMethod=test_producer_failure>

    def test_producer_failure(self) -> None:
        """Test producer failures reach consumers after queued results."""
        values = (1, 2, 3)
        failure = ValueError('producer failed')
    
        def generate():
            yield from values
            raise failure
    
>       self._check_failure(generate, values, failure)

tests/tools_threading_tests.py:62: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
tests/tools_threading_tests.py:90: in _check_failure
    self.assertEqual(received, list(values))
E   AssertionError: Lists differ: [] != [1, 2, 3]
E   
E   Second list contains 3 additional elements.
E   First extra element 0:
E   1
E   
E   - []
E   + [1, 2, 3]