structure saas with tools

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

@@ -0,0 +1,77 @@
+import numpy as np
+import pytest
+
+from shapely import LineString, MultiLineString
+from shapely.errors import EmptyPartError
+from shapely.geometry.base import dump_coords
+from shapely.tests.geometry.test_multi import MultiGeometryTestCase
+
+
+class TestMultiLineString(MultiGeometryTestCase):
+    def test_multilinestring(self):
+        # From coordinate tuples
+        geom = MultiLineString([[(1.0, 2.0), (3.0, 4.0)]])
+        assert isinstance(geom, MultiLineString)
+        assert len(geom.geoms) == 1
+        assert dump_coords(geom) == [[(1.0, 2.0), (3.0, 4.0)]]
+
+        # From lines
+        a = LineString([(1.0, 2.0), (3.0, 4.0)])
+        ml = MultiLineString([a])
+        assert len(ml.geoms) == 1
+        assert dump_coords(ml) == [[(1.0, 2.0), (3.0, 4.0)]]
+
+        # From another multi-line
+        ml2 = MultiLineString(ml)
+        assert len(ml2.geoms) == 1
+        assert dump_coords(ml2) == [[(1.0, 2.0), (3.0, 4.0)]]
+
+        # Sub-geometry Access
+        geom = MultiLineString([(((0.0, 0.0), (1.0, 2.0)))])
+        assert isinstance(geom.geoms[0], LineString)
+        assert dump_coords(geom.geoms[0]) == [(0.0, 0.0), (1.0, 2.0)]
+        with pytest.raises(IndexError):  # index out of range
+            geom.geoms[1]
+
+        # Geo interface
+        assert geom.__geo_interface__ == {
+            "type": "MultiLineString",
+            "coordinates": (((0.0, 0.0), (1.0, 2.0)),),
+        }
+
+    def test_from_multilinestring_z(self):
+        coords1 = [(0.0, 1.0, 2.0), (3.0, 4.0, 5.0)]
+        coords2 = [(6.0, 7.0, 8.0), (9.0, 10.0, 11.0)]
+
+        # From coordinate tuples
+        ml = MultiLineString([coords1, coords2])
+        copy = MultiLineString(ml)
+        assert isinstance(copy, MultiLineString)
+        assert copy.geom_type == "MultiLineString"
+        assert len(copy.geoms) == 2
+        assert dump_coords(copy.geoms[0]) == coords1
+        assert dump_coords(copy.geoms[1]) == coords2
+
+    def test_numpy(self):
+        # Construct from a numpy array
+        geom = MultiLineString([np.array(((0.0, 0.0), (1.0, 2.0)))])
+        assert isinstance(geom, MultiLineString)
+        assert len(geom.geoms) == 1
+        assert dump_coords(geom) == [[(0.0, 0.0), (1.0, 2.0)]]
+
+    def test_subgeom_access(self):
+        line0 = LineString([(0.0, 1.0), (2.0, 3.0)])
+        line1 = LineString([(4.0, 5.0), (6.0, 7.0)])
+        self.subgeom_access_test(MultiLineString, [line0, line1])
+
+    def test_create_multi_with_empty_component(self):
+        msg = "Can't create MultiLineString with empty component"
+        with pytest.raises(EmptyPartError, match=msg):
+            MultiLineString([LineString([(0, 0), (1, 1), (2, 2)]), LineString()]).wkt
+
+
+def test_numpy_object_array():
+    geom = MultiLineString([[[5.0, 6.0], [7.0, 8.0]]])
+    ar = np.empty(1, object)
+    ar[:] = [geom]
+    assert ar[0] == geom