File size: 1,974 Bytes
1b141db | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | import math
import unittest
from src.geometry import (
calculate_site_metrics,
normalize_map_state,
polygon_area_local,
polygon_perimeter_local,
)
class GeometryTests(unittest.TestCase):
def test_local_polygon_area_and_perimeter(self):
points = [(0, 0), (10, 0), (10, 5), (0, 5), (0, 0)]
self.assertEqual(polygon_area_local(points), 50)
self.assertEqual(polygon_perimeter_local(points), 30)
def test_drawn_polygon_normalizes_to_site_selection(self):
map_state = {
"mode": "polygon",
"geometry": {
"type": "Polygon",
"coordinates": [
[
[70.0, 21.0],
[70.002, 21.0],
[70.002, 21.002],
[70.0, 21.002],
[70.0, 21.0],
]
],
},
}
selection = normalize_map_state(map_state)
self.assertEqual(selection.selection_type, "drawn_polygon")
self.assertEqual(selection.coordinate_mode, "wgs84")
self.assertIn("approximate", selection.accuracy_label)
self.assertGreater(selection.area_sqm, 0)
self.assertGreater(selection.perimeter_m, 0)
def test_pin_radius_normalizes_to_site_selection(self):
selection = normalize_map_state(
{"mode": "pin_radius", "lat": 21.0, "lon": 70.0, "radius_m": 250}
)
self.assertEqual(selection.selection_type, "pin_radius")
self.assertEqual(selection.radius_m, 250)
self.assertAlmostEqual(selection.area_sqm, math.pi * 250 * 250, delta=1)
self.assertIn("not exact", " ".join(selection.limitations))
def test_calculate_site_metrics_rejects_empty_geometry(self):
with self.assertRaises(ValueError):
calculate_site_metrics({"type": "Polygon", "coordinates": []})
if __name__ == "__main__":
unittest.main()
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