81 lines
2.6 KiB
Python
81 lines
2.6 KiB
Python
import unittest
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import pytest
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from shapely import geometry
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from shapely.ops import transform
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class IdentityTestCase(unittest.TestCase):
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"""New geometry/coordseq method 'xy' makes numpy interop easier"""
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def func(self, x, y, z=None):
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return tuple(c for c in [x, y, z] if c)
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def test_empty(self):
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g = geometry.Point()
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h = transform(self.func, g)
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assert h.is_empty
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def test_point(self):
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g = geometry.Point(0, 1)
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h = transform(self.func, g)
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assert h.geom_type == "Point"
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assert list(h.coords) == [(0, 1)]
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def test_line(self):
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g = geometry.LineString([(0, 1), (2, 3)])
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h = transform(self.func, g)
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assert h.geom_type == "LineString"
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assert list(h.coords) == [(0, 1), (2, 3)]
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def test_linearring(self):
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g = geometry.LinearRing([(0, 1), (2, 3), (2, 2), (0, 1)])
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h = transform(self.func, g)
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assert h.geom_type == "LinearRing"
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assert list(h.coords) == [(0, 1), (2, 3), (2, 2), (0, 1)]
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def test_polygon(self):
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g = geometry.Point(0, 1).buffer(1.0)
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h = transform(self.func, g)
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assert h.geom_type == "Polygon"
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assert g.area == pytest.approx(h.area)
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def test_multipolygon(self):
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g = geometry.MultiPoint([(0, 1), (0, 4)]).buffer(1.0)
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h = transform(self.func, g)
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assert h.geom_type == "MultiPolygon"
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assert g.area == pytest.approx(h.area)
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class LambdaTestCase(unittest.TestCase):
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"""New geometry/coordseq method 'xy' makes numpy interop easier"""
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def test_point(self):
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g = geometry.Point(0, 1)
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h = transform(lambda x, y, z=None: (x + 1.0, y + 1.0), g)
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assert h.geom_type == "Point"
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assert list(h.coords) == [(1.0, 2.0)]
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def test_line(self):
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g = geometry.LineString([(0, 1), (2, 3)])
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h = transform(lambda x, y, z=None: (x + 1.0, y + 1.0), g)
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assert h.geom_type == "LineString"
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assert list(h.coords) == [(1.0, 2.0), (3.0, 4.0)]
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def test_polygon(self):
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g = geometry.Point(0, 1).buffer(1.0)
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h = transform(lambda x, y, z=None: (x + 1.0, y + 1.0), g)
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assert h.geom_type == "Polygon"
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assert g.area == pytest.approx(h.area)
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assert h.centroid.x == pytest.approx(1.0)
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assert h.centroid.y == pytest.approx(2.0)
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def test_multipolygon(self):
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g = geometry.MultiPoint([(0, 1), (0, 4)]).buffer(1.0)
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h = transform(lambda x, y, z=None: (x + 1.0, y + 1.0), g)
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assert h.geom_type == "MultiPolygon"
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assert g.area == pytest.approx(h.area)
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assert h.centroid.x == pytest.approx(1.0)
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assert h.centroid.y == pytest.approx(3.5)
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