Jens
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130 lines
4.2 KiB
Python
130 lines
4.2 KiB
Python
"""An exported GeoJSON must say what it is and what it leaves out.
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The vector selection export caps its features and records ``truncated`` in the
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export *record*. The file itself said nothing: an operator downloads
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``mol-selection.geojson``, opens it in QGIS and sees 250 buildings where the
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workbench said 1.400, with nothing in the file to indicate the difference.
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For a product whose promise is that an export is a reproducible result, a file
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that looks complete and is not is the sharpest possible violation. RFC 7946
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allows foreign members on a FeatureCollection, and the detection export already
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uses one; this makes that convention uniform.
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"""
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from __future__ import annotations
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from datetime import datetime, timezone
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from uuid import uuid4
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from app.services.export_service import ExportService
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def test_provenance_names_the_source_and_the_moment() -> None:
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dataset_id = uuid4()
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project_id = uuid4()
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member = ExportService.provenance_member(
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source="vector_selection",
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project_id=project_id,
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dataset_id=dataset_id,
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source_name="grb",
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source_version="2024-06",
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observed_at=datetime(2024, 6, 1, tzinfo=timezone.utc),
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)
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assert member["source"] == "vector_selection"
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assert member["dataset_id"] == str(dataset_id)
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assert member["project_id"] == str(project_id)
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assert member["source_name"] == "grb"
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assert member["source_version"] == "2024-06"
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assert member["observed_at"].startswith("2024-06-01")
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assert member["exported_at"]
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def test_a_truncated_export_says_so_in_words() -> None:
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member = ExportService.provenance_member(
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source="vector_selection",
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project_id=uuid4(),
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dataset_id=uuid4(),
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feature_count=250,
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total_feature_count=1_400,
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truncated=True,
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)
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assert member["complete"] is False
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assert member["feature_count"] == 250
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assert member["total_feature_count"] == 1_400
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assert "1400" in member["completeness_note"].replace(".", "").replace(",", "")
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assert "250" in member["completeness_note"]
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def test_a_complete_export_is_stated_as_complete() -> None:
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member = ExportService.provenance_member(
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source="detection_run",
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project_id=uuid4(),
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dataset_id=uuid4(),
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feature_count=12,
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total_feature_count=12,
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truncated=False,
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)
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assert member["complete"] is True
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assert member["completeness_note"] is None
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def test_counts_that_disagree_are_treated_as_incomplete() -> None:
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"""A caller that forgets the flag must not produce a file claiming completeness."""
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member = ExportService.provenance_member(
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source="vector_selection",
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project_id=uuid4(),
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dataset_id=uuid4(),
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feature_count=100,
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total_feature_count=140,
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truncated=False,
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)
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assert member["complete"] is False
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def test_selection_context_travels_with_the_file() -> None:
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area_id = uuid4()
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bbox = {"min_x": 5.0, "min_y": 51.1, "max_x": 5.2, "max_y": 51.3, "crs": "EPSG:4326"}
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member = ExportService.provenance_member(
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source="vector_selection",
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project_id=uuid4(),
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dataset_id=uuid4(),
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selection_bbox=bbox,
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selection_area_id=area_id,
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warnings=["22 van de 100 objecten liggen deels buiten de selectie."],
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)
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assert member["selection_bbox"] == bbox
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assert member["selection_area_id"] == str(area_id)
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assert member["warnings"] == ["22 van de 100 objecten liggen deels buiten de selectie."]
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def test_empty_context_is_omitted_rather_than_written_as_null_noise() -> None:
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member = ExportService.provenance_member(
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source="dataset",
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project_id=uuid4(),
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dataset_id=uuid4(),
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)
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assert "selection_bbox" not in member
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assert "warnings" not in member
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assert "source_version" not in member
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def test_the_member_attaches_under_a_reserved_key() -> None:
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collection = {"type": "FeatureCollection", "features": []}
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ExportService.attach_provenance(
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collection,
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ExportService.provenance_member(source="dataset", project_id=uuid4(), dataset_id=uuid4()),
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)
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assert collection["type"] == "FeatureCollection"
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assert collection["geointel_provenance"]["source"] == "dataset"
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