83 lines
2.2 KiB
Python
83 lines
2.2 KiB
Python
import numpy as np
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import pytest
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from shapely import GeometryCollection, LineString, Point, wkt
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from shapely.geometry import shape
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@pytest.fixture()
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def geometrycollection_geojson():
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return {
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"type": "GeometryCollection",
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"geometries": [
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{"type": "Point", "coordinates": (0, 3, 0)},
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{"type": "LineString", "coordinates": ((2, 0), (1, 0))},
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],
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}
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@pytest.mark.parametrize(
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"geom",
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[
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GeometryCollection(),
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shape({"type": "GeometryCollection", "geometries": []}),
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wkt.loads("GEOMETRYCOLLECTION EMPTY"),
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],
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)
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def test_empty(geom):
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assert geom.geom_type == "GeometryCollection"
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assert geom.is_empty
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assert len(geom.geoms) == 0
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assert list(geom.geoms) == []
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def test_empty_subgeoms():
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geom = GeometryCollection([Point(), LineString()])
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assert geom.geom_type == "GeometryCollection"
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assert geom.is_empty
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assert len(geom.geoms) == 2
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assert list(geom.geoms) == [Point(), LineString()]
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def test_child_with_deleted_parent():
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# test that we can remove a collection while keeping
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# children around
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a = LineString([(0, 0), (1, 1), (1, 2), (2, 2)])
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b = LineString([(0, 0), (1, 1), (2, 1), (2, 2)])
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collection = a.intersection(b)
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child = collection.geoms[0]
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# delete parent of child
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del collection
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# access geometry, this should not seg fault as 1.2.15 did
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assert child.wkt is not None
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def test_from_geojson(geometrycollection_geojson):
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geom = shape(geometrycollection_geojson)
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assert geom.geom_type == "GeometryCollection"
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assert len(geom.geoms) == 2
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geom_types = [g.geom_type for g in geom.geoms]
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assert "Point" in geom_types
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assert "LineString" in geom_types
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def test_geointerface(geometrycollection_geojson):
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geom = shape(geometrycollection_geojson)
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assert geom.__geo_interface__ == geometrycollection_geojson
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def test_len_raises(geometrycollection_geojson):
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geom = shape(geometrycollection_geojson)
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with pytest.raises(TypeError):
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len(geom)
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def test_numpy_object_array():
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geom = GeometryCollection([LineString([(0, 0), (1, 1)])])
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ar = np.empty(1, object)
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ar[:] = [geom]
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assert ar[0] == geom
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