def test_raises_InvalidGeoJson_when_geometry_is_linestring(self):
# arrange
grid_json = get_canned_json("CHAI-Escuintla-West2.json")
grid_dto = GridDTO(grid_json)
grid_dto.clip_to_aoi = True
# Act / Assert
with self.assertRaises(InvalidGeoJson):
GridService.merge_to_multi_polygon(grid_dto.area_of_interest, dissolve=True)
def test_cant_create_aoi_with_invalid_multipolygon(self):
bad_multipolygon = geojson.MultiPolygon([[(2.38, 57.322),
(23.194, -20.28),
(-120.43, 19.15), (2.38)]])
bad_feature = geojson.Feature(geometry=bad_multipolygon)
bad_feature_collection = geojson.FeatureCollection([bad_feature])
# Act / Assert
with self.assertRaises(InvalidGeoJson):
# Only geometries of type MultiPolygon are valid
GridService.merge_to_multi_polygon(
geojson.dumps(bad_feature_collection), dissolve=True)
def set_project_aoi(self, draft_project_dto: DraftProjectDTO):
""" Sets the AOI for the supplied project """
aoi_geojson = geojson.loads(json.dumps(draft_project_dto.area_of_interest))
aoi_geometry = GridService.merge_to_multi_polygon(aoi_geojson, dissolve=True)
valid_geojson = geojson.dumps(aoi_geometry)
self.geometry = ST_SetSRID(ST_GeomFromGeoJSON(valid_geojson), 4326)
self.centroid = ST_Centroid(self.geometry)
def test_feature_collection_multi_polygon_with_zcoord_nodissolve(self):
# arrange
project_json = get_canned_json("canned_kml_project.json")
project_dto = DraftProjectDTO(project_json)
expected = geojson.loads(json.dumps(get_canned_json("2d_multi_polygon.json")))
aoi_geojson = geojson.loads(json.dumps(project_dto.area_of_interest))
# act
result = GridService.merge_to_multi_polygon(aoi_geojson, dissolve=False)
# assert
self.assertEqual(str(expected), str(result))
def test_feature_collection_to_multi_polygon_nodissolve(self):
# arrange
grid_json = get_canned_json("test_grid.json")
grid_dto = GridDTO(grid_json)
expected = geojson.loads(json.dumps(get_canned_json("multi_polygon.json")))
aoi_geojson = geojson.loads(json.dumps(grid_dto.area_of_interest))
# act
result = GridService.merge_to_multi_polygon(aoi_geojson, False)
# assert
self.assertEqual(str(expected), str(result))
