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geointel/backend/tests/test_segmentation_configured_models.py
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feat(scope): make Belgium and North Sea operational default
2026-07-22 02:11:48 +02:00

334 lines
11 KiB
Python

from __future__ import annotations
import json
from pathlib import Path
from uuid import uuid4
import pytest
from geoalchemy2.shape import to_shape
from app.core.config import Settings
from app.models import Dataset, Project, Segmentation
from app.services.detection_georeferencing import pixel_points_to_epsg4326_polygon
from app.services.model_registry_service import ModelRegistryService
from app.services.segmentation_service import SegmentationService
ROOT = Path(__file__).resolve().parents[2]
class FakeSession:
def __init__(self, objects=None) -> None:
self.objects = objects or {}
self.added = []
self.commits = 0
self.refreshes = []
def get(self, model, item_id):
return self.objects.get((model, item_id))
def add(self, item) -> None:
self.added.append(item)
if getattr(item, "id", None) is not None:
self.objects[(item.__class__, item.id)] = item
def commit(self) -> None:
self.commits += 1
def refresh(self, item) -> None:
self.refreshes.append(item)
class AvailableSegAdapter:
def __init__(self, settings: Settings) -> None:
self.settings = settings
@staticmethod
def dependencies_available() -> bool:
return True
def load_model(self, model_path: Path):
return object()
def predict_tile(self, model, tile_path: Path, confidence_threshold: float) -> list[dict]:
return [
{
"class_name": "building",
"confidence": 0.91,
"points": [[10.0, 20.0], [30.0, 20.0], [30.0, 40.0], [10.0, 40.0]],
"bbox": [10.0, 20.0, 30.0, 40.0],
"properties": {"class_id": 0},
}
]
class ClassAgnosticSamAdapter(AvailableSegAdapter):
def predict_tile(self, model, tile_path: Path, confidence_threshold: float) -> list[dict]:
return [
{
"class_name": "segment",
"confidence": None,
"points": [[5.0, 5.0], [25.0, 5.0], [25.0, 25.0], [5.0, 25.0]],
"bbox": [5.0, 5.0, 25.0, 25.0],
"properties": {"class_id": -1},
}
]
class MissingDependencySegAdapter(AvailableSegAdapter):
@staticmethod
def dependencies_available() -> bool:
return False
def _project_and_dataset(dataset_type: str = "raster"):
project_id = uuid4()
dataset_id = uuid4()
project = Project(id=project_id, name="Mol")
dataset = Dataset(
id=dataset_id,
project_id=project_id,
name="ortho.tif",
dataset_type=dataset_type,
source="user_upload",
storage_path="storage/uploads/ortho.tif",
)
db = FakeSession(objects={(Project, project_id): project, (Dataset, dataset_id): dataset})
return db, project_id, dataset_id
def _settings(tmp_path: Path, **overrides) -> Settings:
values = {
"yolo_seg_enabled": True,
"yolo_seg_model_path": str(tmp_path / "seg.pt"),
"sam_enabled": True,
"sam_model_path": str(tmp_path / "sam.pt"),
"yolo_max_tiles": 4,
}
values.update(overrides)
return Settings(**values)
def _manifest(tmp_path: Path, tile_count: int = 1) -> Path:
tiles = []
for index in range(tile_count):
tile_path = tmp_path / f"tile_{index:04d}.tif"
tile_path.write_bytes(b"fixture")
tiles.append(
{
"path": str(tile_path),
"pixel_window": [0, 0, 100, 100],
"bounds": [4.0, 51.0, 5.0, 52.0],
"transform": [4.0, 0.01, 0.0, 52.0, 0.0, -0.01],
"index": index,
}
)
manifest_path = tmp_path / "manifest.json"
manifest_path.write_text(
json.dumps(
{
"tile_set_id": "tiles-fixture",
"source_dataset_id": str(uuid4()),
"source_raster_id": str(uuid4()),
"tile_size": 100,
"overlap": 0,
"count": tile_count,
"tiles": tiles,
}
),
encoding="utf-8",
)
return manifest_path
def test_segmentation_models_report_not_configured_when_disabled(tmp_path: Path) -> None:
settings = _settings(tmp_path, yolo_seg_enabled=False, sam_enabled=False)
models = {
model.model_id: model
for model in ModelRegistryService.list_segmentation_model_capabilities(settings=settings)
}
assert models["yolo-seg-configured"].configured is False
assert models["yolo-seg-configured"].status == "not_configured"
assert models["sam-configured"].configured is False
assert models["sam-configured"].status == "not_configured"
def test_segmentation_models_report_dependency_unavailable(tmp_path: Path) -> None:
(tmp_path / "seg.pt").write_bytes(b"weights")
(tmp_path / "sam.pt").write_bytes(b"weights")
settings = _settings(tmp_path)
models = {
model.model_id: model
for model in ModelRegistryService.list_segmentation_model_capabilities(
settings=settings,
yolo_seg_adapter_class=MissingDependencySegAdapter,
sam_adapter_class=MissingDependencySegAdapter,
)
}
assert models["yolo-seg-configured"].status == "dependency_unavailable"
assert models["sam-configured"].status == "dependency_unavailable"
def test_segmentation_models_report_configured_with_local_weights(tmp_path: Path) -> None:
(tmp_path / "seg.pt").write_bytes(b"weights")
(tmp_path / "sam.pt").write_bytes(b"weights")
settings = _settings(tmp_path)
models = {
model.model_id: model
for model in ModelRegistryService.list_segmentation_model_capabilities(
settings=settings,
yolo_seg_adapter_class=AvailableSegAdapter,
sam_adapter_class=ClassAgnosticSamAdapter,
)
}
assert models["yolo-seg-configured"].configured is True
assert models["yolo-seg-configured"].status == "configured"
assert models["sam-configured"].configured is True
assert models["sam-configured"].status == "configured"
def test_segmentation_dependency_check_uses_real_imports_not_find_spec() -> None:
source = (ROOT / "backend" / "app" / "services" / "segmentation_adapter.py").read_text(encoding="utf-8")
assert 'find_spec("ultralytics")' not in source
assert "import ultralytics" in source
assert "import torch" in source
def test_configured_segmentation_requires_tile_manifest(tmp_path: Path) -> None:
(tmp_path / "seg.pt").write_bytes(b"weights")
db, project_id, dataset_id = _project_and_dataset()
settings = _settings(tmp_path)
with pytest.raises(Exception) as exc_info:
SegmentationService.run_segmentation(
db=db,
project_id=project_id,
dataset_id=dataset_id,
model_id="yolo-seg-configured",
confidence_threshold=0.5,
settings=settings,
yolo_seg_adapter_class=AvailableSegAdapter,
sam_adapter_class=ClassAgnosticSamAdapter,
)
assert getattr(exc_info.value, "code", None) == "SEGMENTATION_TILE_MANIFEST_REQUIRED"
def test_configured_yolo_seg_run_persists_georeferenced_masks(tmp_path: Path) -> None:
(tmp_path / "seg.pt").write_bytes(b"weights")
db, project_id, dataset_id = _project_and_dataset()
settings = _settings(tmp_path)
manifest_path = _manifest(tmp_path)
response = SegmentationService.run_segmentation(
db=db,
project_id=project_id,
dataset_id=dataset_id,
model_id="yolo-seg-configured",
confidence_threshold=0.5,
tile_manifest_path=str(manifest_path),
settings=settings,
yolo_seg_adapter_class=AvailableSegAdapter,
sam_adapter_class=ClassAgnosticSamAdapter,
)
assert response.status == "success"
assert response.segmentation_count == 1
persisted = [item for item in db.added if isinstance(item, Segmentation)]
assert len(persisted) == 1
segmentation = persisted[0]
assert segmentation.class_name == "building"
assert segmentation.confidence == pytest.approx(0.91)
geometry = to_shape(segmentation.geometry)
assert geometry.geom_type == "MultiPolygon"
min_x, min_y, max_x, max_y = geometry.bounds
assert 4.0 <= min_x <= 5.0
assert 51.0 <= min_y <= 52.0
assert max_x <= 5.0
assert max_y <= 52.0
assert segmentation.area_m2 is not None and segmentation.area_m2 > 0
assert segmentation.provenance_json["inference"] == "local"
assert segmentation.provenance_json["model_id"] == "yolo-seg-configured"
def test_configured_sam_run_is_class_agnostic(tmp_path: Path) -> None:
(tmp_path / "sam.pt").write_bytes(b"weights")
db, project_id, dataset_id = _project_and_dataset()
settings = _settings(tmp_path)
manifest_path = _manifest(tmp_path)
response = SegmentationService.run_segmentation(
db=db,
project_id=project_id,
dataset_id=dataset_id,
model_id="sam-configured",
confidence_threshold=0.5,
tile_manifest_path=str(manifest_path),
settings=settings,
yolo_seg_adapter_class=AvailableSegAdapter,
sam_adapter_class=ClassAgnosticSamAdapter,
)
assert response.status == "success"
assert response.segmentation_count == 1
persisted = [item for item in db.added if isinstance(item, Segmentation)]
assert persisted[0].class_name == "segment"
assert persisted[0].confidence is None
def test_unconfigured_segmentation_run_fails_closed(tmp_path: Path) -> None:
db, project_id, dataset_id = _project_and_dataset()
settings = _settings(tmp_path, yolo_seg_enabled=False)
manifest_path = _manifest(tmp_path)
response = SegmentationService.run_segmentation(
db=db,
project_id=project_id,
dataset_id=dataset_id,
model_id="yolo-seg-configured",
confidence_threshold=0.5,
tile_manifest_path=str(manifest_path),
settings=settings,
yolo_seg_adapter_class=AvailableSegAdapter,
sam_adapter_class=ClassAgnosticSamAdapter,
)
assert response.status == "failed"
assert response.error_code == "SEGMENTATION_MODEL_UNAVAILABLE"
assert not [item for item in db.added if isinstance(item, Segmentation)]
def test_pixel_points_to_epsg4326_polygon_uses_tile_transform() -> None:
tile = {
"transform": [4.0, 0.01, 0.0, 52.0, 0.0, -0.01],
"bounds": [4.0, 51.0, 5.0, 52.0],
"pixel_window": [0, 0, 100, 100],
}
polygon = pixel_points_to_epsg4326_polygon(
points=[[0.0, 0.0], [100.0, 0.0], [100.0, 100.0], [0.0, 100.0]],
tile=tile,
crs="EPSG:4326",
)
min_x, min_y, max_x, max_y = polygon.bounds
assert min_x == pytest.approx(4.0)
assert max_x == pytest.approx(5.0)
assert min_y == pytest.approx(51.0)
assert max_y == pytest.approx(52.0)
def test_pixel_points_to_epsg4326_polygon_rejects_degenerate_input() -> None:
tile = {"transform": [4.0, 0.01, 0.0, 52.0, 0.0, -0.01]}
with pytest.raises(Exception) as exc_info:
pixel_points_to_epsg4326_polygon(points=[[0.0, 0.0], [1.0, 1.0]], tile=tile)
assert getattr(exc_info.value, "code", None) == "SEGMENTATION_INVALID_MASK"