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TieMeasureFlow/src/backend/tests/test_vision_dxf_source.py
T

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Python

"""#105: la ricetta «Crea ricetta da DXF» si puo' riaprire e modificare.
Il worker non gira nei test: si finge come in test_vision_dxf_compare.
"""
import base64
import io
import json
import pytest
from PIL import Image
from sqlalchemy import select
from src.backend.config import settings
from src.backend.models.orm.task import RecipeSubtask, RecipeTask
from src.backend.services import vision_service
from src.backend.tests.conftest import auth_headers
from src.backend.tests.test_vision_dxf_compare import ( # noqa: F401 (fixture)
redirect_uploads, validate_ok,
)
from src.backend.tests.test_vision_recipe_upload import an_image, make_task
DXF = b"0\nEOF"
def _wizard_graph(band=0.3, pct=90.0, polarity="light") -> dict:
"""Grafo come lo costruisce src/vision/costruttori.py::_graph."""
return {
"schema_version": 2, "name": "Confronto DXF",
"meta": {"dxf": {"disegno": {"path": "disegno.dxf", "sha256": "x"}},
"calibration": {"path": "calibrazione.json", "sha256": "y"}},
"tools": [
{"id": "pezzo", "name": "Pezzo", "kind": "LocateBlob",
"values": {"polarity": polarity}, "links": {}},
{"id": "dxf", "name": "Confronto DXF", "kind": "CompareDxf",
"values": {"band_plus": band, "band_minus": band, "points_in_pct_nominal": pct},
"links": {}},
],
}
@pytest.fixture
def w2(monkeypatch):
async def fake(image_bytes, dxf_bytes, **kwargs):
graph = _wizard_graph(kwargs["band_mm"], kwargs["min_points_pct"], kwargs["polarity"])
return {
"graph": graph,
"files": {
"disegno.dxf": base64.b64encode(dxf_bytes).decode(),
"calibrazione.json": base64.b64encode(
json.dumps({"px_per_mm": kwargs["px_per_mm"]}).encode()).decode(),
},
"outputs": {"dxf.points_in_pct": 99.0}, "overlay": [], "outcome": "pass",
}
monkeypatch.setattr("src.backend.services.vision_service.dxf_compare_recipe", fake)
def _bmp() -> bytes:
buf = io.BytesIO()
Image.new("L", (32, 32)).save(buf, format="BMP")
return buf.getvalue()
def _save(client, user, task, *, image=None, ctype="image/png", **data):
return client.post(
f"/api/vision/tasks/{task.id}/recipe/dxf-compare",
headers=auth_headers(user),
files={"image": ("p", image if image is not None else an_image(), ctype),
"dxf": ("d.dxf", DXF, "application/octet-stream")},
data={"save": "true", "px_per_mm": "10", **{k: str(v) for k, v in data.items()}},
)
@pytest.mark.asyncio
async def test_save_keeps_the_reference_image_png(client, db_session, maker_user, w2, validate_ok):
task, _ = await make_task(db_session, maker_user)
image = an_image()
resp = await _save(client, maker_user, task, image=image)
assert resp.status_code == 200, resp.text
folder = settings.upload_path / resp.json()["recipe_dir"]
assert (folder / "riferimento.png").read_bytes() == image
assert (folder / "disegno.dxf").read_bytes() == DXF # il resto della cartella non cambia
@pytest.mark.asyncio
async def test_save_keeps_the_reference_image_bmp(client, db_session, maker_user, w2, validate_ok):
task, _ = await make_task(db_session, maker_user)
image = _bmp()
resp = await _save(client, maker_user, task, image=image, ctype="image/bmp")
assert resp.status_code == 200, resp.text
folder = settings.upload_path / resp.json()["recipe_dir"]
assert (folder / "riferimento.bmp").read_bytes() == image
@pytest.mark.asyncio
async def test_source_returns_what_the_wizard_saved(client, db_session, maker_user, w2, validate_ok):
task, _ = await make_task(db_session, maker_user)
await _save(client, maker_user, task, band_mm=0.3, min_points_pct=90, polarity="light")
resp = await client.get(
f"/api/vision/tasks/{task.id}/recipe/dxf-compare/source", headers=auth_headers(maker_user),
)
assert resp.status_code == 200, resp.text
assert resp.json() == {
"band_mm": 0.3, "min_points_pct": 90.0, "polarity": "light", "px_per_mm": 10.0,
"dxf": "disegno.dxf", "image": "riferimento.png",
}
@pytest.mark.asyncio
async def test_source_404_without_recipe_or_with_a_hand_made_graph(client, db_session, maker_user):
task, _ = await make_task(db_session, maker_user)
url = f"/api/vision/tasks/{task.id}/recipe/dxf-compare/source"
assert (await client.get(url, headers=auth_headers(maker_user))).status_code == 404
task.vision_json = {"schema_version": 2, "name": "a mano", "tools": [], "meta": {}}
await db_session.commit()
resp = await client.get(url, headers=auth_headers(maker_user))
assert resp.status_code == 404
assert resp.json()["detail"] == "nessuna ricetta da DXF su questo task"
@pytest.mark.asyncio
async def test_source_needs_maker(client, db_session, maker_user, measurement_tec_user):
task, _ = await make_task(db_session, maker_user)
resp = await client.get(
f"/api/vision/tasks/{task.id}/recipe/dxf-compare/source",
headers=auth_headers(measurement_tec_user),
)
assert resp.status_code == 403
def test_source_of_an_old_recipe_has_no_image_and_no_unreadable_scale(tmp_path, monkeypatch):
monkeypatch.setattr(settings, "upload_dir", str(tmp_path))
folder = tmp_path / "vision" / "recipes" / "1" / "abc"
folder.mkdir(parents=True)
(folder / "disegno.dxf").write_bytes(DXF)
(folder / "calibrazione.json").write_text("{non json", encoding="utf-8")
source = vision_service.dxf_compare_source(_wizard_graph(), "vision/recipes/1/abc")
assert source["image"] is None and source["px_per_mm"] is None
assert source["dxf"] == "disegno.dxf"
assert vision_service.dxf_compare_source(None, None) is None
# senza cartella i valori del grafo restano
assert vision_service.dxf_compare_source(_wizard_graph(), None)["dxf"] is None
@pytest.mark.asyncio
async def test_files_returns_the_bytes(client, db_session, maker_user, w2, validate_ok):
task, _ = await make_task(db_session, maker_user)
image = _bmp()
await _save(client, maker_user, task, image=image, ctype="image/bmp")
img = await client.get(
f"/api/vision/tasks/{task.id}/recipe/files/riferimento.bmp", headers=auth_headers(maker_user),
)
dxf = await client.get(
f"/api/vision/tasks/{task.id}/recipe/files/disegno.dxf", headers=auth_headers(maker_user),
)
assert img.status_code == 200 and img.content == image
assert img.headers["content-type"].startswith("image/")
assert dxf.status_code == 200 and dxf.content == DXF
assert dxf.headers["content-type"] # dal tipo dell'estensione, di ripiego octet-stream
@pytest.mark.asyncio
async def test_files_404_on_unsafe_missing_or_no_recipe(client, db_session, maker_user, w2, validate_ok):
task, _ = await make_task(db_session, maker_user)
base = f"/api/vision/tasks/{task.id}/recipe/files/"
headers = auth_headers(maker_user)
assert (await client.get(base + "disegno.dxf", headers=headers)).status_code == 404 # nessuna ricetta
await _save(client, maker_user, task)
assert (await client.get(base + "manca.bmp", headers=headers)).status_code == 404
for unsafe in ("../x", "%2e%2e/x", "..%2f..%2fx", "sub/../../x"):
assert (await client.get(base + unsafe, headers=headers)).status_code == 404, unsafe
# la funzione non lascia uscire dalla cartella nemmeno con un assoluto
assert vision_service.recipe_file_path("vision/recipes/1/abc", "../x") is None
assert vision_service.recipe_file_path("vision/recipes/1/abc", "/etc/passwd") is None
assert vision_service.recipe_file_path("../fuori", "x") is None
@pytest.mark.asyncio
async def test_resave_follows_the_new_threshold(client, db_session, maker_user, w2, validate_ok):
task, _ = await make_task(db_session, maker_user)
task_id = task.id
await _save(client, maker_user, task, min_points_pct=95)
resp = await _save(client, maker_user, task, min_points_pct=80)
assert resp.status_code == 200, resp.text
db_session.expire_all()
quotes = (await db_session.execute(
select(RecipeSubtask).where(RecipeSubtask.vision_output == "dxf.points_in_pct")
.where(RecipeSubtask.task_id == task_id))).scalars().all()
assert len(quotes) == 1 and float(quotes[0].ltl) == 80.0
@pytest.mark.asyncio
async def test_ensure_points_quote_leaves_quote_with_measurements(
client, db_session, maker_user, w2, validate_ok, monkeypatch,
):
task, _ = await make_task(db_session, maker_user)
task_id = task.id
await _save(client, maker_user, task, min_points_pct=95)
async def has_measurements(db, version_id):
return True
monkeypatch.setattr("src.backend.services.recipe_service.version_has_measurements", has_measurements)
task = await db_session.get(RecipeTask, task_id)
changed = await vision_service.ensure_points_quote(db_session, task, 80)
assert changed is False
quote = (await db_session.execute(
select(RecipeSubtask).where(RecipeSubtask.vision_output == "dxf.points_in_pct")
.where(RecipeSubtask.task_id == task_id))).scalar_one()
assert float(quote.ltl) == 95.0