Function test_dontreadfrominput

testing/test_capture.py:941–974

()

def test_dontreadfrominput() -> None:
    from _pytest.capture import DontReadFromInput

    f = DontReadFromInput()
    assert f.buffer is f  # type: ignore[comparison-overlap]
    assert not f.isatty()  # type: ignore[unreachable]
    with pytest.raises(OSError):
        f.read()
    with pytest.raises(OSError):
        f.readlines()
    iter_f = iter(f)
    with pytest.raises(OSError):
        next(iter_f)
    with pytest.raises(UnsupportedOperation):
        f.fileno()
    with pytest.raises(UnsupportedOperation):
        f.flush()
    assert not f.readable()
    with pytest.raises(UnsupportedOperation):
        f.seek(0)
    assert not f.seekable()
    with pytest.raises(UnsupportedOperation):
        f.tell()
    with pytest.raises(UnsupportedOperation):
        f.truncate(0)
    with pytest.raises(UnsupportedOperation):
        f.write(b"")
    with pytest.raises(UnsupportedOperation):
        f.writelines([])
    assert not f.writable()
    assert isinstance(f.encoding, str)
    f.close()  # just for completeness
    with f:
        pass


def test_captureresult() -> None: