ENISE1/hf_env/lib/python3.14/site-packages/fsspec/tests/abstract/pipe.py

import pytest


class AbstractPipeTests:
    def test_pipe_exclusive(self, fs, fs_target):
        fs.pipe_file(fs_target, b"data")
        assert fs.cat_file(fs_target) == b"data"
        with pytest.raises(FileExistsError):
            fs.pipe_file(fs_target, b"data", mode="create")
        fs.pipe_file(fs_target, b"new data", mode="overwrite")
        assert fs.cat_file(fs_target) == b"new data"