test_shapes.py 文件源码

def test_radius_for_polygon(self):
        """
        Tests the function calculate_polygon_radius_km for a nonrectangular
        polygon.
        """
        polygon = Location.objects.get(pk=7)
        actual = shapes.calculate_polygon_radius_km(polygon.geom)
        point = shapes.reverse_coordinate_order(polygon.geom.centroid)
        expected = vincenty(point, (8, 0)).kilometers
        self.assertEqual(actual, expected)