def test_fail_overwrite(tmpdir):
    foo_tif = tmpdir.join('foo.tif')
    foo_tif.write("content")
    with pytest.raises(FileOverwriteError) as excinfo:
        helpers.resolve_inout(files=[str(x) for x in tmpdir.listdir()])
        assert "file exists and won't be overwritten without use of the " in str(excinfo.value)
Unforced overwrite of existing file fails.
dataset/ETHPy150Open mapbox/rasterio/tests/test_rio_helpers.py/test_fail_overwrite