test: suite pytest sintetica (GT pose note) + deps dev pytest/ruff

11 test senza dipendenza dalle immagini Test/ (non versionate):
- precisione/recall su 7 pose GT (soglie 0.2-0.5 deg, 0.3-1.0 px,
  margine 3-4x sulle misure Fase 2)
- unit: angle_list con estremi, clamp piramide, save/load roundtrip,
  no collisione cache scena, mask poligonale, find non addestrato
Config ruff in pyproject (E702/E402 idiomi del codebase esclusi).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

pyproject.toml

@@ -10,6 +10,7 @@ dependencies = [
     "pillow>=12.2.0",
     "python-multipart>=0.0.26",
     "uvicorn[standard]>=0.34",
+    "ezdxf>=1.3",
 ]
 
 [project.scripts]
@@ -19,4 +20,14 @@ pm2d-bench = "pm2d.bench:main"
 [dependency-groups]
 dev = [
     "httpx>=0.28.1",
+    "pytest>=8.0",
+    "ruff>=0.8",
 ]
+
+[tool.ruff]
+line-length = 100
+
+[tool.ruff.lint]
+select = ["E", "F"]
+# E702 (a; b) ed E402 (import dopo codice) sono idiomi voluti del codebase
+ignore = ["E501", "E741", "E702", "E731", "E402"]

tests/conftest.py

@@ -0,0 +1,99 @@
+"""Fixture condivise: template e scene sintetiche con ground-truth nota.
+
+Tutti i test sono sintetici (nessuna dipendenza dalle immagini Test/,
+non versionate): generano scene con pose note e verificano recall e
+precisione del matcher. Runtime totale atteso: ~2-4 min su 2 core.
+"""
+from __future__ import annotations
+
+import math
+
+import cv2
+import numpy as np
+import pytest
+
+
+def make_template(tw: int = 160, th: int = 120) -> np.ndarray:
+    """Forma a L asimmetrica con foro circolare, contrasto netto.
+
+    Asimmetrica per evitare ambiguita' rotazionali nei confronti GT.
+    """
+    img = np.full((th, tw), 60, np.uint8)
+    cv2.rectangle(img, (20, 20), (60, th - 20), 200, -1)
+    cv2.rectangle(img, (20, th - 55), (tw - 25, th - 20), 200, -1)
+    cv2.circle(img, (tw - 45, 40), 16, 200, -1)
+    return cv2.GaussianBlur(img, (3, 3), 0)
+
+
+# Pose ground-truth: (cx, cy, angle_deg) - angoli volutamente lontani
+# dalla griglia di step 5/2 gradi per misurare il refine.
+GT_POSES: list[tuple[float, float, float]] = [
+    (150.0, 150.0, 0.0),
+    (450.0, 140.0, 7.3),
+    (740.0, 170.0, 33.7),
+    (160.0, 420.0, 91.2),
+    (460.0, 430.0, 158.4),
+    (750.0, 480.0, 246.9),
+    (300.0, 590.0, 312.6),
+]
+
+
+def make_scene(
+    template: np.ndarray,
+    poses: list[tuple[float, float, float]],
+    W: int = 900, H: int = 700,
+    noise: float = 4.0, seed: int = 7,
+) -> np.ndarray:
+    """Incolla il template warpato alle pose date su sfondo rumoroso.
+
+    Convenzione di rotazione identica al matcher (cv2.getRotationMatrix2D
+    attorno al centro template, poi traslazione del centro su (cx, cy)).
+    """
+    rng = np.random.default_rng(seed)
+    scene = np.full((H, W), 60, np.float32)
+    th, tw = template.shape
+    for (cx, cy, ang) in poses:
+        M = cv2.getRotationMatrix2D((tw / 2.0, th / 2.0), ang, 1.0)
+        M[0, 2] += cx - tw / 2.0
+        M[1, 2] += cy - th / 2.0
+        warped = cv2.warpAffine(template.astype(np.float32), M, (W, H),
+                                flags=cv2.INTER_LINEAR, borderValue=-1)
+        scene = np.where(warped >= 0, warped, scene)
+    scene += rng.normal(0, noise, scene.shape)
+    return np.clip(scene, 0, 255).astype(np.uint8)
+
+
+def ang_diff(a: float, b: float) -> float:
+    """Differenza angolare firmata in (-180, 180]."""
+    d = (a - b) % 360.0
+    return d - 360.0 if d > 180.0 else d
+
+
+def match_errors(matches, poses, radius: float = 20.0):
+    """Associa match a pose GT per distanza; ritorna (err_ang, err_pos, n_miss)."""
+    errs_a: list[float] = []
+    errs_p: list[float] = []
+    miss = 0
+    for (cx, cy, ang) in poses:
+        cands = [
+            (math.hypot(m.cx - cx, m.cy - cy), m)
+            for m in matches
+            if math.hypot(m.cx - cx, m.cy - cy) < radius
+        ]
+        if not cands:
+            miss += 1
+            continue
+        d, m = min(cands, key=lambda t: t[0])
+        errs_a.append(abs(ang_diff(m.angle_deg, ang)))
+        errs_p.append(d)
+    return errs_a, errs_p, miss
+
+
+@pytest.fixture(scope="session")
+def template() -> np.ndarray:
+    return make_template()
+
+
+@pytest.fixture(scope="session")
+def scene(template) -> np.ndarray:
+    return make_scene(template, GT_POSES)

tests/test_matcher_unit.py

@@ -0,0 +1,84 @@
+"""Unit test rapidi su componenti del matcher (no matching pesante)."""
+from __future__ import annotations
+
+import numpy as np
+import cv2
+import pytest
+
+from pm2d import LineShapeMatcher
+from tests.conftest import GT_POSES, make_scene, match_errors
+
+
+def test_angle_list_includes_range_end():
+    # Range parziale ±15: l'estremo +15 deve essere testato (era escluso).
+    m = LineShapeMatcher(angle_range_deg=(-15.0, 15.0), angle_step_deg=5.0)
+    angles = m._angle_list()
+    assert -15.0 in angles and 15.0 in angles
+    assert len(angles) == 7
+
+
+def test_angle_list_full_circle_no_duplicate():
+    # (0, 360): 360 coincide con 0 → escluso, niente variante duplicata.
+    m = LineShapeMatcher(angle_range_deg=(0.0, 360.0), angle_step_deg=5.0)
+    angles = m._angle_list()
+    assert len(angles) == 72
+    assert 360.0 not in angles
+
+
+def test_pyramid_clamp_small_template():
+    # Template 40px di lato minimo: al top /4 le feature collassano →
+    # i livelli vengono clampati (40/2=20 >= 12, 40/4=10 < 12 → 2 livelli).
+    m = LineShapeMatcher(pyramid_levels=4, angle_range_deg=(0.0, 10.0),
+                         angle_step_deg=5.0)
+    tpl = np.full((40, 200), 60, np.uint8)
+    cv2.rectangle(tpl, (30, 8), (170, 32), 200, -1)
+    m.train(tpl)
+    assert m.pyramid_levels == 2
+
+
+def test_save_load_roundtrip(tmp_path, template, scene):
+    m = LineShapeMatcher(angle_step_deg=10.0)
+    m.train(template)
+    path = str(tmp_path / "model.npz")
+    m.save_model(path)
+    m2 = LineShapeMatcher.load_model(path)
+    assert len(m2.variants) == len(m.variants)
+    matches = m2.find(scene, min_score=0.5, max_matches=10)
+    _, _, miss = match_errors(matches, GT_POSES)
+    assert miss == 0
+
+
+def test_scene_cache_no_collision(template):
+    # Due scene IDENTICHE nella banda superiore ma diverse sotto: la cache
+    # (che prima hashava solo i primi 64KB) non deve restituire i risultati
+    # della scena sbagliata.
+    poses_a = [GT_POSES[0], (450.0, 560.0, 33.7)]
+    poses_b = [GT_POSES[0], (700.0, 560.0, 91.2)]
+    scene_a = make_scene(template, poses_a)
+    scene_b = make_scene(template, poses_b)
+    # Stessa banda superiore (le pose extra sono in basso, y >= 430)
+    assert np.array_equal(scene_a[:80], scene_b[:80])
+    m = LineShapeMatcher(angle_step_deg=10.0)
+    m.train(template)
+    ma = m.find(scene_a, min_score=0.5, max_matches=5)
+    mb = m.find(scene_b, min_score=0.5, max_matches=5)
+    _, _, miss_a = match_errors(ma, poses_a)
+    _, _, miss_b = match_errors(mb, poses_b)
+    assert miss_a == 0 and miss_b == 0
+
+
+def test_train_mask_polygonal(template, scene):
+    # ROI poligonale: mask che copre solo la L verticale del template.
+    mask = np.zeros_like(template)
+    cv2.rectangle(mask, (10, 10), (70, template.shape[0] - 10), 255, -1)
+    m = LineShapeMatcher(angle_step_deg=10.0)
+    n = m.train(template, mask=mask)
+    assert n > 0
+    matches = m.find(scene, min_score=0.5, max_matches=10)
+    assert len(matches) >= 1
+
+
+def test_untrained_find_raises():
+    m = LineShapeMatcher()
+    with pytest.raises(RuntimeError):
+        m.find(np.zeros((100, 100), np.uint8))

tests/test_precision.py

@@ -0,0 +1,56 @@
+"""Test di non-regressione su precisione e recall (GT sintetica).
+
+Soglie derivate dalle misure di Fase 2 (errore mediano ~0.05 deg /
+~0.08 px) con margine 3-4x per assorbire rumore tra run/macchine.
+Una regressione del refine (es. score saturo, minMaxLoc sul plateau)
+riporterebbe gli errori a 2-4 deg / 4 px e fa fallire i test con
+margine enorme.
+"""
+from __future__ import annotations
+
+import numpy as np
+
+from pm2d import LineShapeMatcher
+from tests.conftest import GT_POSES, match_errors
+
+
+def _find(template, scene, step, **kw):
+    m = LineShapeMatcher(angle_step_deg=step, num_features=96)
+    m.train(template)
+    return m.find(scene, min_score=0.5, max_matches=10, **kw)
+
+
+def test_recall_and_precision_step5(template, scene):
+    matches = _find(template, scene, 5.0)
+    errs_a, errs_p, miss = match_errors(matches, GT_POSES)
+    assert miss == 0, f"{miss} pose GT non trovate"
+    assert float(np.median(errs_a)) < 0.2, f"err angolo mediano {np.median(errs_a):.3f} deg"
+    assert float(np.max(errs_a)) < 0.5, f"err angolo max {np.max(errs_a):.3f} deg"
+    assert float(np.median(errs_p)) < 0.3, f"err posizione mediano {np.median(errs_p):.3f} px"
+    assert float(np.max(errs_p)) < 1.0, f"err posizione max {np.max(errs_p):.3f} px"
+
+
+def test_recall_and_precision_step2(template, scene):
+    # Step fine: storicamente il caso peggiore (plateau con piu' varianti
+    # dentro la tolleranza spread → scelta variante arbitraria).
+    matches = _find(template, scene, 2.0)
+    errs_a, errs_p, miss = match_errors(matches, GT_POSES)
+    assert miss == 0, f"{miss} pose GT non trovate"
+    assert float(np.median(errs_a)) < 0.2
+    assert float(np.max(errs_a)) < 0.5
+    assert float(np.median(errs_p)) < 0.3
+
+
+def test_no_false_positives(template, scene):
+    # max_matches alto: non devono comparire match spuri oltre le 7 pose.
+    matches = _find(template, scene, 5.0)
+    assert len(matches) <= len(GT_POSES) + 1, (
+        f"{len(matches)} match per {len(GT_POSES)} oggetti reali"
+    )
+
+
+def test_full_scan_path_equivalent(template, scene):
+    # Il path full-scan (propagate off) deve trovare le stesse pose.
+    matches = _find(template, scene, 5.0, pyramid_propagate=False)
+    _, _, miss = match_errors(matches, GT_POSES)
+    assert miss == 0

uv.lock

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 ]
 
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+]
+
 [[package]]
 name = "shape-model-2d"
 version = "0.1.0"
 source = { virtual = "." }
 dependencies = [
+    { name = "ezdxf" },
     { name = "fastapi" },
     { name = "numba" },
     { name = "numpy" },
@@ -458,10 +601,13 @@ dependencies = [
 [package.dev-dependencies]
 dev = [
     { name = "httpx" },
+    { name = "pytest" },
+    { name = "ruff" },
 ]
 
 [package.metadata]
 requires-dist = [
+    { name = "ezdxf", specifier = ">=1.3" },
     { name = "fastapi", specifier = ">=0.115" },
     { name = "numba", specifier = ">=0.65.0" },
     { name = "numpy", specifier = ">=1.24" },
@@ -472,7 +618,11 @@ requires-dist = [
 ]
 
 [package.metadata.requires-dev]
-dev = [{ name = "httpx", specifier = ">=0.28.1" }]
+dev = [
+    { name = "httpx", specifier = ">=0.28.1" },
+    { name = "pytest", specifier = ">=8.0" },
+    { name = "ruff", specifier = ">=0.8" },
+]
 
 [[package]]
 name = "starlette"