103 lines
3.4 KiB
Python
103 lines
3.4 KiB
Python
from __future__ import annotations
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import importlib.util
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from pathlib import Path
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import sys
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import pytest
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ROOT = Path(__file__).resolve().parents[2]
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def load_sample_preparer():
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script_path = ROOT / "scripts" / "prepare_operator_real_data_samples.py"
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spec = importlib.util.spec_from_file_location("operator_sample_preparer", script_path)
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assert spec is not None
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assert spec.loader is not None
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module = importlib.util.module_from_spec(spec)
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sys.modules[spec.name] = module
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spec.loader.exec_module(module)
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return module
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def test_operator_sample_registry_includes_kempen_reference_and_background_candidates() -> None:
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module = load_sample_preparer()
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expected_reference_slugs = {"geel", "mol", "turnhout", "herentals", "balen", "retie", "westerlo"}
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expected_background_slugs = {"postel_bos", "lommel_heide", "kasterlee_bos"}
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assert expected_reference_slugs.issubset(module.SAMPLES)
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assert expected_background_slugs.issubset(module.SAMPLES)
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assert all(not module.SAMPLES[slug].allow_empty_reference for slug in expected_reference_slugs)
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assert all(module.SAMPLES[slug].allow_empty_reference for slug in expected_background_slugs)
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assert all(module.SAMPLES[slug].sample_role == "background_candidate" for slug in expected_background_slugs)
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def test_background_candidate_can_write_empty_reference_geojson(tmp_path: Path, monkeypatch) -> None:
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module = load_sample_preparer()
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class EmptyFeatureResponse:
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headers = {"content-type": "application/geo+json"}
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def raise_for_status(self) -> None:
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return None
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def json(self) -> dict:
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return {"type": "FeatureCollection", "features": []}
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class FakeRequests:
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@staticmethod
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def get(*args, **kwargs):
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return EmptyFeatureResponse()
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monkeypatch.setattr(module, "requests", FakeRequests)
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monkeypatch.setattr(module, "prepared_url", lambda url, params: f"{url}?prepared=true")
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sample = module.OperatorSample(
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slug="background",
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display_name="Background",
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center_lon=5.0,
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center_lat=51.0,
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allow_empty_reference=True,
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sample_role="background_candidate",
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)
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reference_path = tmp_path / "background.geojson"
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source_url, feature_count = module.fetch_reference(sample, reference_path, [4.9, 50.9, 5.1, 51.1])
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assert source_url.endswith("?prepared=true")
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assert feature_count == 0
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payload = reference_path.read_text(encoding="utf-8")
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assert '"features": []' in payload
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assert '"sample_role": "background_candidate"' in payload
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def test_reference_sample_still_rejects_empty_grb_response(tmp_path: Path, monkeypatch) -> None:
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module = load_sample_preparer()
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class EmptyFeatureResponse:
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def raise_for_status(self) -> None:
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return None
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def json(self) -> dict:
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return {"type": "FeatureCollection", "features": []}
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class FakeRequests:
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@staticmethod
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def get(*args, **kwargs):
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return EmptyFeatureResponse()
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monkeypatch.setattr(module, "requests", FakeRequests)
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monkeypatch.setattr(module, "prepared_url", lambda url, params: f"{url}?prepared=true")
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sample = module.OperatorSample(
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slug="urban",
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display_name="Urban",
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center_lon=5.0,
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center_lat=51.0,
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)
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with pytest.raises(SystemExit, match="returned no building features"):
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module.fetch_reference(sample, tmp_path / "urban.geojson", [4.9, 50.9, 5.1, 51.1])
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