f09b8b8cfd
Factorise un client propre pour la lecture d'écran : downscale image (fenêtre max_model_len), thinking off, post_fn injectable (testable sans vLLM). Sert de vlm_client à extract_dossier_from_image dans le handler runtime. 4 tests. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
"""Tests du client vLLM serveur (image + prompt -> texte).
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Le POST réseau est injectable (`post_fn`) → testable sans vLLM. Sert de
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`vlm_client` à `extract_dossier_from_image` dans le handler runtime.
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"""
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import pytest
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from core.extraction.vlm_client import build_chat_body, img_data_url, make_vllm_client
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def _png(tmp_path, w=2000, h=1000):
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from PIL import Image
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p = tmp_path / "x.png"
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Image.new("RGB", (w, h), (255, 255, 255)).save(p)
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return str(p)
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class _Resp:
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def __init__(self, code, payload=None, text=""):
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self.status_code = code
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self._p = payload or {}
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self.text = text
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def json(self):
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return self._p
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def test_img_data_url_downscale(tmp_path):
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url = img_data_url(_png(tmp_path), max_w=1280)
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assert url.startswith("data:image/png;base64,")
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def test_build_chat_body_structure(tmp_path):
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body = build_chat_body(_png(tmp_path), "PROMPT", model="M", max_tokens=1500, max_w=1280)
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assert body["model"] == "M"
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assert body["max_tokens"] == 1500
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# thinking désactivé (vérifié hier : think=on -> vide/lent)
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assert body["chat_template_kwargs"]["enable_thinking"] is False
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content = body["messages"][0]["content"]
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assert any(c["type"] == "image_url" for c in content)
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assert any(c["type"] == "text" and c["text"] == "PROMPT" for c in content)
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def test_client_retourne_content(tmp_path):
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captured = {}
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def fake_post(url, json=None, headers=None, timeout=None):
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captured["url"] = url
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captured["body"] = json
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return _Resp(200, {"choices": [{"message": {"content": "REPONSE"}}]})
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client = make_vllm_client(model="M", post_fn=fake_post)
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out = client(_png(tmp_path), "PROMPT")
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assert out == "REPONSE"
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assert "/v1/chat/completions" in captured["url"]
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assert captured["body"]["messages"][0]["content"][1]["text"] == "PROMPT"
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def test_client_erreur_status_leve(tmp_path):
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def fake_post(url, json=None, headers=None, timeout=None):
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return _Resp(500, text="boom")
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client = make_vllm_client(post_fn=fake_post)
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with pytest.raises(RuntimeError):
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client(_png(tmp_path), "PROMPT")
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