data write directory change. shapely library include.

[openembroidery/EmbroideryOutputExtensionForInkscape.git] / embroider / shapely / tests / test_multipolygon.py

diff --git a/embroider/shapely/tests/test_multipolygon.py b/embroider/shapely/tests/test_multipolygon.py
new file mode 100644 (file)
index 0000000..9e7d257
--- /dev/null
+++ b/embroider/shapely/tests/test_multipolygon.py
@@ -0,0 +1,72 @@
+from . import unittest
+from shapely.geometry import Polygon, MultiPolygon, asMultiPolygon
+from shapely.geometry.base import dump_coords
+
+
+class MultiPolygonTestCase(unittest.TestCase):
+
+    def test_multipolygon(self):
+
+        # From coordinate tuples
+        geom = MultiPolygon(
+            [(((0.0, 0.0), (0.0, 1.0), (1.0, 1.0), (1.0, 0.0)),
+              [((0.25, 0.25), (0.25, 0.5), (0.5, 0.5), (0.5, 0.25))])])
+        self.assertIsInstance(geom, MultiPolygon)
+        self.assertEqual(len(geom.geoms), 1)
+        self.assertEqual(
+            dump_coords(geom),
+            [[(0.0, 0.0), (0.0, 1.0), (1.0, 1.0), (1.0, 0.0), (0.0, 0.0),
+              [(0.25, 0.25), (0.25, 0.5), (0.5, 0.5), (0.5, 0.25),
+               (0.25, 0.25)]]])
+
+        # Or from polygons
+        p = Polygon(((0, 0), (0, 1), (1, 1), (1, 0)),
+                    [((0.25, 0.25), (0.25, 0.5), (0.5, 0.5), (0.5, 0.25))])
+        geom = MultiPolygon([p])
+        self.assertEqual(len(geom.geoms), 1)
+        self.assertEqual(
+            dump_coords(geom),
+            [[(0.0, 0.0), (0.0, 1.0), (1.0, 1.0), (1.0, 0.0), (0.0, 0.0),
+              [(0.25, 0.25), (0.25, 0.5), (0.5, 0.5), (0.5, 0.25),
+               (0.25, 0.25)]]])
+
+        # Or from another multi-polygon
+        geom2 = MultiPolygon(geom)
+        self.assertEqual(len(geom2.geoms), 1)
+        self.assertEqual(
+            dump_coords(geom2),
+            [[(0.0, 0.0), (0.0, 1.0), (1.0, 1.0), (1.0, 0.0), (0.0, 0.0),
+              [(0.25, 0.25), (0.25, 0.5), (0.5, 0.5), (0.5, 0.25),
+               (0.25, 0.25)]]])
+
+        # Sub-geometry Access
+        self.assertIsInstance(geom.geoms[0], Polygon)
+        self.assertEqual(
+            dump_coords(geom.geoms[0]),
+            [(0.0, 0.0), (0.0, 1.0), (1.0, 1.0), (1.0, 0.0), (0.0, 0.0),
+             [(0.25, 0.25), (0.25, 0.5), (0.5, 0.5), (0.5, 0.25),
+              (0.25, 0.25)]])
+        with self.assertRaises(IndexError):  # index out of range
+            geom.geoms[1]
+
+        # Geo interface
+        self.assertEqual(
+            geom.__geo_interface__,
+            {'type': 'MultiPolygon',
+             'coordinates': [(((0.0, 0.0), (0.0, 1.0), (1.0, 1.0),
+                               (1.0, 0.0), (0.0, 0.0)),
+                              ((0.25, 0.25), (0.25, 0.5), (0.5, 0.5),
+                               (0.5, 0.25), (0.25, 0.25)))]})
+
+        # Adapter
+        coords = ((0.0, 0.0), (0.0, 1.0), (1.0, 1.0), (1.0, 0.0))
+        holes_coords = [((0.25, 0.25), (0.25, 0.5), (0.5, 0.5), (0.5, 0.25))]
+        mpa = asMultiPolygon([(coords, holes_coords)])
+        self.assertEqual(len(mpa.geoms), 1)
+        self.assertEqual(len(mpa.geoms[0].exterior.coords), 5)
+        self.assertEqual(len(mpa.geoms[0].interiors), 1)
+        self.assertEqual(len(mpa.geoms[0].interiors[0].coords), 5)
+
+
+def test_suite():
+    return unittest.TestLoader().loadTestsFromTestCase(MultiPolygonTestCase)