structure saas with tools

.venv/lib/python3.10/site-packages/shapely/tests/geometry/test_emptiness.py

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+import math
+
+import numpy as np
+import pytest
+
+from shapely import (
+    GeometryCollection,
+    LinearRing,
+    LineString,
+    MultiLineString,
+    MultiPoint,
+    MultiPolygon,
+    Point,
+    Polygon,
+)
+from shapely.geometry import mapping, shape
+from shapely.geometry.base import BaseGeometry, EmptyGeometry
+
+
+def empty_generator():
+    return iter([])
+
+
+class TestEmptiness:
+    def test_empty_class(self):
+        with pytest.warns(FutureWarning):
+            g = EmptyGeometry()
+        assert g.is_empty
+
+    def test_empty_base(self):
+        with pytest.warns(FutureWarning):
+            g = BaseGeometry()
+        assert g.is_empty
+
+    def test_empty_point(self):
+        assert Point().is_empty
+
+    def test_empty_multipoint(self):
+        assert MultiPoint().is_empty
+
+    def test_empty_geometry_collection(self):
+        assert GeometryCollection().is_empty
+
+    def test_empty_linestring(self):
+        assert LineString().is_empty
+        assert LineString(None).is_empty
+        assert LineString([]).is_empty
+        assert LineString(empty_generator()).is_empty
+
+    def test_empty_multilinestring(self):
+        assert MultiLineString([]).is_empty
+
+    def test_empty_polygon(self):
+        assert Polygon().is_empty
+        assert Polygon(None).is_empty
+        assert Polygon([]).is_empty
+        assert Polygon(empty_generator()).is_empty
+
+    def test_empty_multipolygon(self):
+        assert MultiPolygon([]).is_empty
+
+    def test_empty_linear_ring(self):
+        assert LinearRing().is_empty
+        assert LinearRing(None).is_empty
+        assert LinearRing([]).is_empty
+        assert LinearRing(empty_generator()).is_empty
+
+
+def test_numpy_object_array():
+    geoms = [Point(), GeometryCollection()]
+    arr = np.empty(2, object)
+    arr[:] = geoms
+
+
+def test_shape_empty():
+    empty_mp = MultiPolygon()
+    empty_json = mapping(empty_mp)
+    empty_shape = shape(empty_json)
+    assert empty_shape.is_empty
+
+
+@pytest.mark.parametrize(
+    "geom",
+    [
+        Point(),
+        LineString(),
+        Polygon(),
+        MultiPoint(),
+        MultiLineString(),
+        MultiPolygon(),
+        GeometryCollection(),
+        LinearRing(),
+    ],
+)
+def test_empty_geometry_bounds(geom):
+    """The bounds of an empty geometry is a tuple of NaNs"""
+    assert len(geom.bounds) == 4
+    assert all(math.isnan(v) for v in geom.bounds)