wren
59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
import pytest
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from fastapi_modules.fastapi_leaudit.services.impl.pageQualityServiceImpl import PageQualityServiceImpl
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class _FakeVlmClient:
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def __init__(self, response):
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self.response = response
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self.prompts = []
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async def extract_multifield(self, *, prompt, images_data_urls, max_tokens=800):
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self.prompts.append((prompt, images_data_urls, max_tokens))
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if isinstance(self.response, Exception):
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raise self.response
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return self.response
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@pytest.mark.asyncio
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async def test_vlm_page_quality_reject_result_is_used():
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service = PageQualityServiceImpl()
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service.VlmClient = _FakeVlmClient(
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{
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"status": "reject",
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"score": 0.18,
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"reason": "页面文字严重模糊，无法稳定辨认关键内容",
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}
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)
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status, score, reason = await service._classify_page_image_by_vlm(b"image-bytes")
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assert status == "reject"
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assert score == 0.18
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assert "严重模糊" in reason
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assert "只输出 JSON" in service.VlmClient.prompts[0][0]
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@pytest.mark.asyncio
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async def test_vlm_page_quality_invalid_result_falls_back_to_review_not_pass():
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service = PageQualityServiceImpl()
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service.VlmClient = _FakeVlmClient({"status": "unknown", "reason": ""})
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status, score, reason = await service._classify_page_image_by_vlm(b"image-bytes")
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assert status == "review"
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assert score == 0.5
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assert "VLM返回结果不可用" in reason
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@pytest.mark.asyncio
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async def test_vlm_page_quality_error_falls_back_to_review_not_pass():
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service = PageQualityServiceImpl()
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service.VlmClient = _FakeVlmClient(RuntimeError("vlm down"))
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status, score, reason = await service._classify_page_image_by_vlm(b"image-bytes")
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assert status == "review"
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assert score == 0.5
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assert "VLM图片质量检测失败" in reason
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