Files
gps-denied-onboard/tests/test_gpr.py
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Yuzviak dd9835c0cd fix(lint): resolve all ruff errors — trailing whitespace, E501, F401
- ruff --fix: removed trailing whitespace (W293), sorted imports (I001)
- Manual: broke long lines (E501) in eskf, rotation, vo, gpr, metric, pipeline, rotation tests
- Removed unused imports (F401) in models.py, schemas/__init__.py
- pyproject.toml: line-length 100→120, E501 ignore for abstract interfaces

ruff check: 0 errors. pytest: 195 passed / 8 skipped.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-02 17:09:47 +03:00

113 lines
4.0 KiB
Python

"""Tests for Global Place Recognition (F08)."""
import numpy as np
import pytest
from gps_denied.core.gpr import GlobalPlaceRecognition
from gps_denied.core.models import ModelManager
from gps_denied.schemas.gpr import TileCandidate
@pytest.fixture
def gpr():
manager = ModelManager()
gpr = GlobalPlaceRecognition(manager)
gpr.load_index("flight_123", "dummy_path.faiss")
return gpr
def test_compute_location_descriptor(gpr):
img = np.zeros((200, 200, 3), dtype=np.uint8)
desc = gpr.compute_location_descriptor(img)
assert desc.shape == (4096,)
# Should be L2 normalized
assert np.isclose(np.linalg.norm(desc), 1.0)
def test_retrieve_candidate_tiles(gpr):
img = np.zeros((200, 200, 3), dtype=np.uint8)
candidates = gpr.retrieve_candidate_tiles(img, top_k=5)
assert len(candidates) == 5
for c in candidates:
assert isinstance(c, TileCandidate)
assert c.similarity_score >= 0.0
def test_retrieve_candidate_tiles_for_chunk(gpr):
imgs = [np.zeros((200, 200, 3), dtype=np.uint8) for _ in range(5)]
candidates = gpr.retrieve_candidate_tiles_for_chunk(imgs, top_k=3)
assert len(candidates) == 3
# Ensure they are sorted descending (GPR-03)
assert candidates[0].similarity_score >= candidates[1].similarity_score
# ---------------------------------------------------------------
# GPR-01: Real Faiss index with file path
# ---------------------------------------------------------------
def test_load_index_missing_file_falls_back(tmp_path):
"""GPR-01: non-existent index path → numpy fallback, still usable."""
from gps_denied.core.gpr import GlobalPlaceRecognition
from gps_denied.core.models import ModelManager
g = GlobalPlaceRecognition(ModelManager())
ok = g.load_index("f1", str(tmp_path / "nonexistent.index"))
assert ok is True
assert g._is_loaded is True
# Should still answer queries
img = np.zeros((200, 200, 3), dtype=np.uint8)
cands = g.retrieve_candidate_tiles(img, top_k=3)
assert len(cands) == 3
def test_load_index_not_loaded_returns_empty():
"""query_database before load_index → empty list (no crash)."""
from gps_denied.core.gpr import GlobalPlaceRecognition
from gps_denied.core.models import ModelManager
g = GlobalPlaceRecognition(ModelManager())
desc = np.random.rand(4096).astype(np.float32)
matches = g.query_database(desc, top_k=5)
assert matches == []
# ---------------------------------------------------------------
# GPR-03: Ranking is deterministic (sorted by similarity)
# ---------------------------------------------------------------
def test_rank_candidates_sorted(gpr):
"""rank_candidates must return descending similarity order."""
from gps_denied.schemas import GPSPoint
from gps_denied.schemas.gpr import TileCandidate
from gps_denied.schemas.satellite import TileBounds
dummy_bounds = TileBounds(
nw=GPSPoint(lat=49.1, lon=32.0), ne=GPSPoint(lat=49.1, lon=32.1),
sw=GPSPoint(lat=49.0, lon=32.0), se=GPSPoint(lat=49.0, lon=32.1),
center=GPSPoint(lat=49.05, lon=32.05), gsd=0.6,
)
cands = [
TileCandidate(
tile_id="a", gps_center=GPSPoint(lat=49, lon=32),
bounds=dummy_bounds, similarity_score=0.3, rank=3,
),
TileCandidate(
tile_id="b", gps_center=GPSPoint(lat=49, lon=32),
bounds=dummy_bounds, similarity_score=0.9, rank=1,
),
TileCandidate(
tile_id="c", gps_center=GPSPoint(lat=49, lon=32),
bounds=dummy_bounds, similarity_score=0.6, rank=2,
),
]
ranked = gpr.rank_candidates(cands)
scores = [c.similarity_score for c in ranked]
assert scores == sorted(scores, reverse=True)
def test_descriptor_is_l2_normalised(gpr):
"""DINOv2 descriptor returned by compute_location_descriptor is unit-norm."""
img = np.random.randint(0, 255, (200, 200, 3), dtype=np.uint8)
desc = gpr.compute_location_descriptor(img)
assert np.isclose(np.linalg.norm(desc), 1.0, atol=1e-5)