"""测试 LibreOffice PPT Reader 的解析功能。"""

import pytest
import os
from readers.ppt import libreoffice


class TestLibreOfficePptReaderParse:
    """测试 LibreOffice PPT Reader 的 parse 方法。"""

    def test_simple_ppt(self, simple_ppt_path):
        """测试简单 PPT 文件解析。"""
        content, error = libreoffice.parse(simple_ppt_path)
        if content is not None:
            # 至少能解析出一些内容
            assert content.strip() != ""

    def test_multiple_slides_ppt(self, multiple_slides_ppt_path):
        """测试多幻灯片 PPT 文件解析。"""
        content, error = libreoffice.parse(multiple_slides_ppt_path)
        if content is not None:
            assert content.strip() != ""

    def test_with_images_ppt(self, with_images_ppt_path):
        """测试带图片的 PPT 文件解析。"""
        content, error = libreoffice.parse(with_images_ppt_path)
        if content is not None:
            assert content.strip() != ""

    def test_file_not_exists(self, tmp_path):
        """测试文件不存在的情况。"""
        non_existent_file = str(tmp_path / "non_existent.ppt")
        content, error = libreoffice.parse(non_existent_file)
        assert content is None
        assert error is not None