pypy.module._io.test.apptest_io:test_warn_on_dealloc

tempfile = 'D:\\SystemTemp\\pytest-of-matti\\pytest-1033\\test_warn_on_dealloc0\\tempfile'

    def test_warn_on_dealloc(tempfile):
>       _check_warn_on_dealloc(tempfile, 'wb', buffering=0)

..\build\pypy\module\_io\test\apptest_io.py:376: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

args = ('D:\\SystemTemp\\pytest-of-matti\\pytest-1033\\test_warn_on_dealloc0\\tempfile', 'wb')
kwargs = {'buffering': 0}, gc = <module 'gc' (built-in)>
warnings = <module 'warnings' from 'D:\\pypy_stuff\\buildbot64\\slave\\pypy-c-jit-win-x86-64\\build\\lib-python\\3\\warnings.py'>
f = None
r = "<_io.FileIO name='D:\\\\SystemTemp\\\\pytest-of-matti\\\\pytest-1033\\\\test_warn_on_dealloc0\\\\tempfile' mode='wb' closefd=True>"
w = [<warnings.WarningMessage object at 0x0000028c24e6c2f8>], @py_assert2 = None
@py_assert5 = '{message : ResourceWarning("unclosed file <_io.FileIO name=\'D:\\\\\\\\SystemTemp\\\\\\\\pytest-of-matti\\\\\\\\pytes...lave\\\\pypy-c-jit-win-x86-64\\\\build\\\\pypy\\\\module\\\\_io\\\\test\\\\apptest_io.py\', lineno : 371, line : None}'
@py_assert4 = None
@py_format7 = '"<_io.FileIO name=\'D:\\\\\\\\SystemTemp\\\\\\\\pytest-of-matti\\\\\\\\pytest-1033\\\\\\\\test_warn_on_dealloc0\\\\\\...\\\\\\apptest_io.py\\\', lineno : 371, line : None}\' = str(<warnings.WarningMessage object at 0x0000028c24e6c2f8>)\n}'
@py_format9 = 'assert "<_io.FileIO name=\'D:\\\\\\\\SystemTemp\\\\\\\\pytest-of-matti\\\\\\\\pytest-1033\\\\\\\\test_warn_on_dealloc...\\\\\\apptest_io.py\\\', lineno : 371, line : None}\' = str(<warnings.WarningMessage object at 0x0000028c24e6c2f8>)\n}'

    def _check_warn_on_dealloc(*args, **kwargs):
        import gc
        import warnings
    
        f = open(*args, **kwargs)
        r = repr(f)
        gc.collect()
        with warnings.catch_warnings(record=True) as w:
            warnings.simplefilter('always')
            f = None
            gc.collect()
        assert len(w) == 1, len(w)
>       assert r in str(w[0])
E       assert "<_io.FileIO name='D:\\\\SystemTemp\\\\pytest-of-matti\\\\pytest-1033\\\\test_warn_on_dealloc0\\\\tempfile' mode='wb' closefd=True>" in '{message : ResourceWarning("unclosed file <_io.FileIO name=\'D:\\\\\\\\SystemTemp\\\\\\\\pytest-of-matti\\\\\\\\pytes...lave\\\\pypy-c-jit-win-x86-64\\\\build\\\\pypy\\\\module\\\\_io\\\\test\\\\apptest_io.py\', lineno : 371, line : None}'
E        +  where '{message : ResourceWarning("unclosed file <_io.FileIO name=\'D:\\\\\\\\SystemTemp\\\\\\\\pytest-of-matti\\\\\\\\pytes...lave\\\\pypy-c-jit-win-x86-64\\\\build\\\\pypy\\\\module\\\\_io\\\\test\\\\apptest_io.py\', lineno : 371, line : None}' = str(<warnings.WarningMessage object at 0x0000028c24e6c2f8>)

..\build\pypy\module\_io\test\apptest_io.py:373: AssertionError

builder: pypy-c-jit-win-x86-64 build #2356

test: pypy/module/_io/test/apptest_io:test_warn_on_dealloc