from pathlib import Path

import pytest

import wsic

class TestGetTileScenareos:

    """Test scenarios specific to get_tile()."""

    scenarios = [

        (

            "get_tile openslide",

            {

                "reader_class": wsic.readers.OpenSlideReader,

                "filepath": Path("CMU-1-Small-Region.svs"),

                "decode": False,

            },

        ),

        (

            "get_tile tiffreader",

            {

                "reader_class": wsic.readers.TIFFReader,

                "filepath": Path("CMU-1-Small-Region.svs"),

                "decode": True,

            },

        ),

    ]

    @staticmethod

    def test_get_tile_decode_false(

        samples_path,

        filepath: str,

        reader_class: wsic.readers.Reader,

        decode: bool,

        **kwargs

    ):

        """Test that get_tile returns bytes or raises NotImplementedError."""

        filepath = samples_path / filepath

        assert filepath.exists()

        reader = reader_class(filepath)

        if not decode:

            with pytest.raises(NotImplementedError):

                reader.get_tile((0, 0), decode=False)

            return

        tile = reader.get_tile((0, 0), decode=False)

        assert isinstance(tile, bytes)