| import unittest |
| from unittest.mock import patch |
|
|
| from src.geometry import selection_from_lat_lon |
| from src.topography import fetch_topography |
|
|
|
|
| class TopographyTests(unittest.TestCase): |
| def test_fetch_topography_summarizes_elevation_samples(self): |
| selection = selection_from_lat_lon(21.002, 70.245, radius_m=250) |
| fake_response = { |
| "results": [ |
| {"elevation": 12.0}, |
| {"elevation": 14.5}, |
| {"elevation": 13.0}, |
| {"elevation": 16.0}, |
| ] |
| } |
| with patch("src.topography.get_json", return_value=fake_response): |
| topo, evidence = fetch_topography(selection) |
|
|
| self.assertEqual(topo["sample_count"], 4) |
| self.assertEqual(topo["min_elevation_m"], 12.0) |
| self.assertEqual(topo["max_elevation_m"], 16.0) |
| self.assertGreaterEqual(topo["relief_m"], 4.0) |
| self.assertEqual(evidence[0].category, "Topography") |
| self.assertIn("not a site survey", evidence[0].limitation) |
|
|
| def test_fetch_topography_failure_returns_safe_evidence(self): |
| selection = selection_from_lat_lon(21.002, 70.245, radius_m=250) |
| with patch("src.topography.get_json", side_effect=TimeoutError("slow")): |
| topo, evidence = fetch_topography(selection) |
|
|
| self.assertEqual(topo, {}) |
| self.assertEqual(evidence[0].confidence, "low") |
| self.assertIn("Do not infer slope", evidence[0].design_implication) |
|
|
|
|
| if __name__ == "__main__": |
| unittest.main() |
|
|
